chrome/browser/about_flags.cc

   1 // Copyright 2012 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Instructions for adding new entries to this file:
   6 // https://chromium.googlesource.com/chromium/src/+/main/docs/how_to_add_your_feature_flag.md#step-2_adding-the-feature-flag-to-the-chrome_flags-ui
   7
   8 #include "chrome/browser/about_flags.h"
   9
  10 #include <iterator>
  11 #include <map>
  12 #include <memory>
  13 #include <set>
  14 #include <utility>
  15
  16 #include "base/base_switches.h"
  17 #include "base/command_line.h"
  18 #include "base/feature_list.h"
  19 #include "base/functional/bind.h"
  20 #include "base/functional/callback.h"
  21 #include "base/i18n/base_i18n_switches.h"
  22 #include "base/memory/singleton.h"
  23 #include "base/metrics/histogram_functions.h"
  24 #include "base/no_destructor.h"
  25 #include "base/strings/string_number_conversions.h"
  26 #include "base/strings/utf_string_conversions.h"
  27 #include "base/task/task_features.h"
  28 #include "base/values.h"
  29 #include "build/branding_buildflags.h"
  30 #include "build/build_config.h"
  31 #include "cc/base/features.h"
  32 #include "cc/base/switches.h"
  33 #include "chrome/browser/apps/app_discovery_service/app_discovery_service.h"
  34 #include "chrome/browser/apps/link_capturing/link_capturing_features.h"
  35 #include "chrome/browser/browser_features.h"
  36 #include "chrome/browser/browser_process.h"
  37 #include "chrome/browser/companion/core/features.h"
  38 #include "chrome/browser/fast_checkout/fast_checkout_features.h"
  39 #include "chrome/browser/feature_guide/notifications/feature_notification_guide_service.h"
  40 #include "chrome/browser/file_system_access/file_system_access_features.h"
  41 #include "chrome/browser/flag_descriptions.h"
  42 #include "chrome/browser/follow/follow_features.h"
  43 #include "chrome/browser/ip_protection/ip_protection_switches.h"
  44 #include "chrome/browser/login_detection/login_detection_util.h"
  45 #include "chrome/browser/media/router/discovery/access_code/access_code_cast_constants.h"
  46 #include "chrome/browser/media/router/discovery/access_code/access_code_cast_feature.h"
  47 #include "chrome/browser/navigation_predictor/navigation_predictor_features.h"
  48 #include "chrome/browser/navigation_predictor/search_engine_preconnector.h"
  49 #include "chrome/browser/net/stub_resolver_config_reader.h"
  50 #include "chrome/browser/net/system_network_context_manager.h"
  51 #include "chrome/browser/notifications/scheduler/public/features.h"
  52 #include "chrome/browser/page_info/page_info_features.h"
  53 #include "chrome/browser/permissions/notifications_permission_revocation_config.h"
  54 #include "chrome/browser/permissions/quiet_notification_permission_ui_config.h"
  55 #include "chrome/browser/predictors/loading_predictor_config.h"
  56 #include "chrome/browser/preloading/prefetch/search_prefetch/field_trial_settings.h"
  57 #include "chrome/browser/preloading/preloading_features.h"
  58 #include "chrome/browser/resource_coordinator/tab_manager_features.h"
  59 #include "chrome/browser/share/share_features.h"
  60 #include "chrome/browser/sharing/features.h"
  61 #include "chrome/browser/sharing_hub/sharing_hub_features.h"
  62 #include "chrome/browser/signin/signin_features.h"
  63 #include "chrome/browser/site_isolation/about_flags.h"
  64 #include "chrome/browser/thumbnail/cc/features.h"
  65 #include "chrome/browser/tpcd/experiment/tpcd_experiment_features.h"
  66 #include "chrome/browser/ui/browser_navigator_params.h"
  67 #include "chrome/browser/ui/ui_features.h"
  68 #include "chrome/browser/unexpire_flags.h"
  69 #include "chrome/browser/unexpire_flags_gen.h"
  70 #include "chrome/browser/webauthn/webauthn_switches.h"
  71 #include "chrome/common/buildflags.h"
  72 #include "chrome/common/channel_info.h"
  73 #include "chrome/common/chrome_content_client.h"
  74 #include "chrome/common/chrome_features.h"
  75 #include "chrome/common/chrome_switches.h"
  76 #include "chrome/common/companion/visual_search/features.h"
  77 #include "components/assist_ranker/predictor_config_definitions.h"
  78 #include "components/autofill/core/browser/autofill_experiments.h"
  79 #include "components/autofill/core/common/autofill_features.h"
  80 #include "components/autofill/core/common/autofill_payments_features.h"
  81 #include "components/autofill/core/common/autofill_switches.h"
  82 #include "components/autofill/core/common/autofill_util.h"
  83 #include "components/browser_sync/browser_sync_switches.h"
  84 #include "components/browsing_data/core/features.h"
  85 #include "components/commerce/core/commerce_feature_list.h"
  86 #include "components/commerce/core/flag_descriptions.h"
  87 #include "components/component_updater/component_updater_command_line_config_policy.h"
  88 #include "components/component_updater/component_updater_switches.h"
  89 #include "components/compose/core/browser/compose_features.h"
  90 #include "components/content_settings/core/common/features.h"
  91 #include "components/contextual_search/core/browser/contextual_search_field_trial.h"
  92 #include "components/contextual_search/core/browser/public.h"
  93 #include "components/dom_distiller/core/dom_distiller_features.h"
  94 #include "components/dom_distiller/core/dom_distiller_switches.h"
  95 #include "components/download/public/common/download_features.h"
  96 #include "components/error_page/common/error_page_switches.h"
  97 #include "components/feature_engagement/public/feature_constants.h"
  98 #include "components/feature_engagement/public/feature_list.h"
  99 #include "components/feed/feed_feature_list.h"
 100 #include "components/flags_ui/feature_entry.h"
 101 #include "components/flags_ui/feature_entry_macros.h"
 102 #include "components/flags_ui/flags_state.h"
 103 #include "components/flags_ui/flags_storage.h"
 104 #include "components/flags_ui/flags_ui_metrics.h"
 105 #include "components/flags_ui/flags_ui_switches.h"
 106 #include "components/flags_ui/pref_service_flags_storage.h"
 107 #include "components/heavy_ad_intervention/heavy_ad_features.h"
 108 #include "components/history/core/browser/features.h"
 109 #include "components/history_clusters/core/config.h"
 110 #include "components/history_clusters/core/features.h"
 111 #include "components/history_clusters/core/on_device_clustering_features.h"
 112 #include "components/invalidation/impl/invalidation_switches.h"
 113 #include "components/language/core/common/language_experiments.h"
 114 #include "components/lens/buildflags.h"
 115 #include "components/lens/lens_features.h"
 116 #include "components/manta/features.h"
 117 #include "components/mirroring/service/mirroring_features.h"
 118 #include "components/nacl/common/buildflags.h"
 119 #include "components/nacl/common/nacl_switches.h"
 120 #include "components/network_session_configurator/common/network_features.h"
 121 #include "components/network_session_configurator/common/network_switches.h"
 122 #include "components/no_state_prefetch/browser/no_state_prefetch_field_trial.h"
 123 #include "components/ntp_tiles/features.h"
 124 #include "components/offline_pages/core/offline_page_feature.h"
 125 #include "components/omnibox/browser/omnibox_feature_configs.h"
 126 #include "components/omnibox/browser/omnibox_field_trial.h"
 127 #include "components/omnibox/common/omnibox_features.h"
 128 #include "components/open_from_clipboard/clipboard_recent_content_features.h"
 129 #include "components/optimization_guide/core/optimization_guide_features.h"
 130 #include "components/optimization_guide/core/optimization_guide_switches.h"
 131 #include "components/page_image_service/features.h"
 132 #include "components/page_info/core/features.h"
 133 #include "components/paint_preview/buildflags/buildflags.h"
 134 #include "components/paint_preview/features/features.h"
 135 #include "components/password_manager/core/browser/features/password_features.h"
 136 #include "components/password_manager/core/common/password_manager_features.h"
 137 #include "components/payments/core/features.h"
 138 #include "components/performance_manager/public/features.h"
 139 #include "components/permissions/features.h"
 140 #include "components/policy/core/common/features.h"
 141 #include "components/power_bookmarks/core/flag_descriptions.h"
 142 #include "components/power_bookmarks/core/power_bookmark_features.h"
 143 #include "components/privacy_sandbox/privacy_sandbox_features.h"
 144 #include "components/query_tiles/switches.h"
 145 #include "components/reading_list/features/reading_list_switches.h"
 146 #include "components/safe_browsing/core/common/features.h"
 147 #include "components/search/ntp_features.h"
 148 #include "components/security_interstitials/content/stateful_ssl_host_state_delegate.h"
 149 #include "components/security_state/core/security_state.h"
 150 #include "components/segmentation_platform/public/features.h"
 151 #include "components/send_tab_to_self/features.h"
 152 #include "components/services/heap_profiling/public/cpp/switches.h"
 153 #include "components/services/storage/public/cpp/buckets/bucket_info.h"
 154 #include "components/shared_highlighting/core/common/shared_highlighting_features.h"
 155 #include "components/signin/core/browser/dice_account_reconcilor_delegate.h"
 156 #include "components/signin/public/base/signin_buildflags.h"
 157 #include "components/signin/public/base/signin_switches.h"
 158 #include "components/site_isolation/features.h"
 159 #include "components/spellcheck/common/spellcheck_features.h"
 160 #include "components/spellcheck/spellcheck_buildflags.h"
 161 #include "components/supervised_user/core/common/buildflags.h"
 162 #include "components/sync/base/command_line_switches.h"
 163 #include "components/sync/base/features.h"
 164 #include "components/tracing/common/tracing_switches.h"
 165 #include "components/translate/core/browser/translate_prefs.h"
 166 #include "components/translate/core/browser/translate_ranker_impl.h"
 167 #include "components/translate/core/common/translate_util.h"
 168 #include "components/trusted_vault/features.h"
 169 #include "components/ui_devtools/switches.h"
 170 #include "components/variations/variations_switches.h"
 171 #include "components/version_info/version_info.h"
 172 #include "components/viz/common/features.h"
 173 #include "components/viz/common/switches.h"
 174 #include "components/webapps/browser/features.h"
 175 #include "components/webapps/common/switches.h"
 176 #include "content/public/common/content_features.h"
 177 #include "content/public/common/content_switches.h"
 178 #include "device/base/features.h"
 179 #include "device/bluetooth/bluez/bluez_features.h"
 180 #include "device/bluetooth/chromeos_platform_features.h"
 181 #include "device/bluetooth/floss/floss_features.h"
 182 #include "device/fido/features.h"
 183 #include "device/gamepad/public/cpp/gamepad_features.h"
 184 #include "device/vr/buildflags/buildflags.h"
 185 #include "extensions/buildflags/buildflags.h"
 186 #include "flag_descriptions.h"
 187 #include "gpu/config/gpu_finch_features.h"
 188 #include "gpu/config/gpu_switches.h"
 189 #include "media/audio/audio_features.h"
 190 #include "media/base/media_switches.h"
 191 #include "media/capture/capture_switches.h"
 192 #include "media/media_buildflags.h"
 193 #include "media/midi/midi_switches.h"
 194 #include "media/webrtc/webrtc_features.h"
 195 #include "mojo/core/embedder/features.h"
 196 #include "net/base/features.h"
 197 #include "net/net_buildflags.h"
 198 #include "net/nqe/effective_connection_type.h"
 199 #include "net/nqe/network_quality_estimator_params.h"
 200 #include "net/websockets/websocket_basic_handshake_stream.h"
 201 #include "pdf/buildflags.h"
 202 #include "ppapi/buildflags/buildflags.h"
 203 #include "printing/buildflags/buildflags.h"
 204 #include "sandbox/policy/features.h"
 205 #include "sandbox/policy/switches.h"
 206 #include "services/device/public/cpp/device_features.h"
 207 #include "services/media_session/public/cpp/features.h"
 208 #include "services/network/public/cpp/features.h"
 209 #include "services/network/public/cpp/network_switches.h"
 210 #include "services/tracing/public/cpp/tracing_features.h"
 211 #include "storage/browser/quota/quota_features.h"
 212 #include "third_party/blink/public/common/features.h"
 213 #include "third_party/blink/public/common/features_generated.h"
 214 #include "third_party/blink/public/common/forcedark/forcedark_switches.h"
 215 #include "third_party/blink/public/common/switches.h"
 216 #include "ui/accessibility/accessibility_features.h"
 217 #include "ui/accessibility/accessibility_switches.h"
 218 #include "ui/base/ui_base_features.h"
 219 #include "ui/base/ui_base_switches.h"
 220 #include "ui/compositor/compositor_switches.h"
 221 #include "ui/display/display_features.h"
 222 #include "ui/display/display_switches.h"
 223 #include "ui/events/blink/blink_features.h"
 224 #include "ui/events/event_switches.h"
 225 #include "ui/events/events_features.h"
 226 #include "ui/gfx/switches.h"
 227 #include "ui/gl/buildflags.h"
 228 #include "ui/gl/gl_features.h"
 229 #include "ui/gl/gl_switches.h"
 230 #include "ui/native_theme/native_theme_features.h"
 231 #include "ui/ui_features.h"
 232 #include "url/url_features.h"
 233
 234 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
 235 #include "base/allocator/buildflags.h"
 236 #endif
 237
 238 #if BUILDFLAG(IS_CHROMEOS)
 239 #include "base/process/process.h"
 240 #include "chromeos/constants/chromeos_features.h"
 241 #endif
 242
 243 #if BUILDFLAG(IS_ANDROID)
 244 #include "chrome/browser/flags/android/chrome_feature_list.h"
 245 #include "chrome/browser/notifications/chime/android/features.h"
 246 #include "chrome/browser/push_messaging/push_messaging_features.h"
 247 #include "components/browser_ui/photo_picker/android/features.h"
 248 #include "components/browser_ui/site_settings/android/features.h"
 249 #include "components/content_creation/notes/core/note_features.h"
 250 #include "components/external_intents/android/external_intents_features.h"
 251 #include "components/messages/android/messages_feature.h"
 252 #include "components/translate/content/android/translate_message.h"
 253 #include "ui/android/ui_android_features.h"
 254 #else  // BUILDFLAG(IS_ANDROID)
 255 #include "chrome/browser/media/router/discovery/access_code/access_code_cast_sink_service.h"
 256 #include "chrome/browser/media/router/media_router_feature.h"
 257 #include "chrome/browser/web_applications/preinstalled_app_install_features.h"
 258 #include "components/user_notes/user_notes_features.h"
 259 #endif  // BUILDFLAG(IS_ANDROID)
 260
 261 #if BUILDFLAG(IS_CHROMEOS_ASH)
 262 #include "ash/components/arc/arc_features.h"
 263 #include "ash/components/arc/arc_util.h"
 264 #include "ash/constants/ash_features.h"
 265 #include "ash/constants/ash_switches.h"
 266 #include "ash/public/cpp/app_list/app_list_features.h"
 267 #include "ash/public/cpp/keyboard/keyboard_switches.h"
 268 #include "chrome/browser/ash/app_list/search/search_features.h"
 269 #include "chrome/browser/ash/bruschetta/bruschetta_util.h"
 270 #include "chrome/browser/ash/crosapi/browser_manager.h"
 271 #include "chrome/browser/ash/crosapi/browser_util.h"
 272 #include "chrome/browser/ash/crostini/crostini_util.h"
 273 #include "chrome/browser/ash/file_suggest/item_suggest_cache.h"
 274 #include "chrome/browser/ash/ownership/owner_settings_service_ash.h"
 275 #include "chrome/browser/ash/ownership/owner_settings_service_ash_factory.h"
 276 #include "chrome/browser/ash/policy/reporting/metrics_reporting/metric_reporting_manager.h"
 277 #include "chrome/browser/ash/settings/about_flags.h"
 278 #include "chrome/browser/component_updater/cros_component_installer_chromeos.h"
 279 #include "chrome/browser/nearby_sharing/common/nearby_share_features.h"
 280 #include "chrome/common/chrome_features.h"
 281 #include "chrome/common/webui_url_constants.h"
 282 #include "chromeos/ash/components/assistant/buildflags.h"
 283 #include "chromeos/ash/components/login/hibernate/hibernate_manager.h"
 284 #include "chromeos/ash/components/memory/swap_configuration.h"
 285 #include "chromeos/ash/components/standalone_browser/lacros_availability.h"
 286 #include "chromeos/ash/components/standalone_browser/standalone_browser_features.h"
 287 #include "chromeos/ash/services/assistant/public/cpp/features.h"
 288 #include "components/app_restore/features.h"
 289 #include "components/metrics/structured/structured_metrics_features.h"  // nogncheck
 290 #include "media/capture/video/chromeos/video_capture_features_chromeos.h"
 291 #include "remoting/host/chromeos/features.h"
 292 #include "third_party/cros_system_api/switches/chrome_switches.h"
 293 #include "ui/events/ozone/features.h"
 294 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 295
 296 #if BUILDFLAG(IS_CHROMEOS_LACROS)
 297 #include "base/i18n/icu_mergeable_data_file.h"
 298 #include "chrome/browser/lacros/lacros_url_handling.h"
 299 #include "chrome/common/webui_url_constants.h"
 300 #endif
 301
 302 #if BUILDFLAG(IS_MAC)
 303 #include "chrome/browser/ui/browser_dialogs.h"
 304 #include "chrome/browser/ui/cocoa/screentime/screentime_features.h"
 305 #endif  // BUILDFLAG(IS_MAC)
 306
 307 #if BUILDFLAG(ENABLE_CARDBOARD)
 308 #include "device/vr/public/cpp/features.h"
 309 #endif  // ENABLE_CARDBOARD
 310
 311 #if BUILDFLAG(ENABLE_EXTENSIONS)
 312 #include "chrome/browser/extensions/cws_info_service.h"
 313 #include "extensions/common/extension_features.h"
 314 #include "extensions/common/switches.h"
 315 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
 316
 317 #if BUILDFLAG(ENABLE_PDF)
 318 #include "pdf/pdf_features.h"
 319 #endif
 320
 321 #if BUILDFLAG(ENABLE_PRINTING)
 322 #include "printing/printing_features.h"
 323 #endif
 324
 325 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 326 #include "components/supervised_user/core/common/features.h"  // nogncheck
 327 #endif  // ENABLE_SUPERVISED_USERS
 328
 329 #if BUILDFLAG(ENABLE_VR)
 330 #include "device/vr/public/cpp/features.h"
 331 #endif
 332
 333 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
 334 #include "ui/ozone/buildflags.h"
 335 #include "ui/ozone/public/ozone_switches.h"
 336 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_ASH)
 337
 338 #if !BUILDFLAG(IS_ANDROID) && BUILDFLAG(GOOGLE_CHROME_BRANDING)
 339 #include "chrome/browser/promos/promos_features.h"
 340 #endif  // !BUILDFLAG(IS_ANDROID) && BUILDFLAG(GOOGLE_CHROME_BRANDING)
 341
 342 #if BUILDFLAG(IS_WIN)
 343 #include "chrome/browser/enterprise/platform_auth/platform_auth_features.h"
 344 #include "chrome/browser/win/titlebar_config.h"
 345 #endif
 346
 347 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
 348 #include "chrome/browser/enterprise/profile_management/profile_management_features.h"
 349 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
 350
 351 #if defined(TOOLKIT_VIEWS)
 352 #include "ui/views/views_features.h"
 353 #include "ui/views/views_switches.h"
 354 #endif  // defined(TOOLKIT_VIEWS)
 355
 356 using flags_ui::FeatureEntry;
 357 using flags_ui::kDeprecated;
 358 using flags_ui::kOsAndroid;
 359 using flags_ui::kOsCrOS;
 360 using flags_ui::kOsCrOSOwnerOnly;
 361 using flags_ui::kOsFuchsia;
 362 using flags_ui::kOsLacros;
 363 using flags_ui::kOsLinux;
 364 using flags_ui::kOsMac;
 365 using flags_ui::kOsWin;
 366
 367 namespace about_flags {
 368
 369 namespace {
 370
 371 const unsigned kOsAll =
 372     kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsAndroid | kOsFuchsia | kOsLacros;
 373 const unsigned kOsDesktop =
 374     kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsFuchsia | kOsLacros;
 375
 376 #if defined(USE_AURA)
 377 const unsigned kOsAura = kOsWin | kOsLinux | kOsCrOS | kOsFuchsia | kOsLacros;
 378 #endif  // USE_AURA
 379
 380 #if defined(USE_AURA)
 381 const FeatureEntry::Choice kPullToRefreshChoices[] = {
 382     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
 383     {flags_ui::kGenericExperimentChoiceDisabled, switches::kPullToRefresh, "0"},
 384     {flags_ui::kGenericExperimentChoiceEnabled, switches::kPullToRefresh, "1"},
 385     {flag_descriptions::kPullToRefreshEnabledTouchscreen,
 386      switches::kPullToRefresh, "2"}};
 387 #endif  // USE_AURA
 388
 389 const FeatureEntry::Choice kOverlayStrategiesChoices[] = {
 390     {flag_descriptions::kOverlayStrategiesDefault, "", ""},
 391     {flag_descriptions::kOverlayStrategiesNone,
 392      switches::kEnableHardwareOverlays, ""},
 393     {flag_descriptions::kOverlayStrategiesUnoccludedFullscreen,
 394      switches::kEnableHardwareOverlays, "single-fullscreen"},
 395     {flag_descriptions::kOverlayStrategiesUnoccluded,
 396      switches::kEnableHardwareOverlays, "single-fullscreen,single-on-top"},
 397     {flag_descriptions::kOverlayStrategiesOccludedAndUnoccluded,
 398      switches::kEnableHardwareOverlays,
 399      "single-fullscreen,single-on-top,underlay"},
 400 };
 401
 402 const FeatureEntry::Choice kTouchTextSelectionStrategyChoices[] = {
 403     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
 404     {flag_descriptions::kTouchSelectionStrategyCharacter,
 405      blink::switches::kTouchTextSelectionStrategy,
 406      blink::switches::kTouchTextSelectionStrategy_Character},
 407     {flag_descriptions::kTouchSelectionStrategyDirection,
 408      blink::switches::kTouchTextSelectionStrategy,
 409      blink::switches::kTouchTextSelectionStrategy_Direction}};
 410
 411 #if !BUILDFLAG(IS_ANDROID)
 412 const FeatureEntry::Choice kEnablePasswordSharingChoices[] = {
 413     {"Default", "", ""},
 414     {"Bootstraping Only", switches::kEnableFeatures,
 415      "SharingOfferKeyPairBootstrap"},
 416     {"Enabled", switches::kEnableFeatures,
 417      "SharingOfferKeyPairBootstrap,SendPasswords,"
 418      "PasswordManagerEnableSenderService,"
 419      "PasswordManagerEnableReceiverService,SharedPasswordNotificationUI"},
 420 };
 421 #endif
 422
 423 #if BUILDFLAG(IS_WIN)
 424 const FeatureEntry::FeatureParam kMediaFoundationClearStrategyUseFrameServer[] =
 425     {{"strategy", "frame-server"}};
 426
 427 const FeatureEntry::FeatureParam
 428     kMediaFoundationClearStrategyUseDirectComposition[] = {
 429         {"strategy", "direct-composition"}};
 430
 431 const FeatureEntry::FeatureParam kMediaFoundationClearStrategyUseDynamic[] = {
 432     {"strategy", "dynamic"}};
 433
 434 const FeatureEntry::FeatureVariation kMediaFoundationClearStrategyVariations[] =
 435     {{"Direct Composition", kMediaFoundationClearStrategyUseDirectComposition,
 436       std::size(kMediaFoundationClearStrategyUseDirectComposition), nullptr},
 437      {"Frame Server", kMediaFoundationClearStrategyUseFrameServer,
 438       std::size(kMediaFoundationClearStrategyUseFrameServer), nullptr},
 439      {"Dynamic", kMediaFoundationClearStrategyUseDynamic,
 440       std::size(kMediaFoundationClearStrategyUseDynamic), nullptr}};
 441
 442 const FeatureEntry::Choice kUseAngleChoicesWindows[] = {
 443     {flag_descriptions::kUseAngleDefault, "", ""},
 444     {flag_descriptions::kUseAngleGL, switches::kUseANGLE,
 445      gl::kANGLEImplementationOpenGLName},
 446     {flag_descriptions::kUseAngleD3D11, switches::kUseANGLE,
 447      gl::kANGLEImplementationD3D11Name},
 448     {flag_descriptions::kUseAngleD3D9, switches::kUseANGLE,
 449      gl::kANGLEImplementationD3D9Name},
 450     {flag_descriptions::kUseAngleD3D11on12, switches::kUseANGLE,
 451      gl::kANGLEImplementationD3D11on12Name}};
 452 #elif BUILDFLAG(IS_MAC)
 453 const FeatureEntry::Choice kUseAngleChoicesMac[] = {
 454     {flag_descriptions::kUseAngleDefault, "", ""},
 455     {flag_descriptions::kUseAngleGL, switches::kUseANGLE,
 456      gl::kANGLEImplementationOpenGLName},
 457     {flag_descriptions::kUseAngleMetal, switches::kUseANGLE,
 458      gl::kANGLEImplementationMetalName}};
 459 #endif
 460
 461 #if BUILDFLAG(IS_WIN)
 462 const FeatureEntry::FeatureParam kDXGIWaitableSwapChain1Frame = {
 463     "DXGIWaitableSwapChainMaxQueuedFrames", "1"};
 464
 465 const FeatureEntry::FeatureParam kDXGIWaitableSwapChain2Frames = {
 466     "DXGIWaitableSwapChainMaxQueuedFrames", "2"};
 467
 468 const FeatureEntry::FeatureParam kDXGIWaitableSwapChain3Frames = {
 469     "DXGIWaitableSwapChainMaxQueuedFrames", "3"};
 470
 471 const FeatureEntry::FeatureVariation kDXGIWaitableSwapChainVariations[] = {
 472     {"Max 1 Frame", &kDXGIWaitableSwapChain1Frame, 1, nullptr},
 473     {"Max 2 Frames", &kDXGIWaitableSwapChain2Frames, 1, nullptr},
 474     {"Max 3 Frames", &kDXGIWaitableSwapChain3Frames, 1, nullptr}};
 475 #endif
 476
 477 #if BUILDFLAG(IS_LINUX)
 478 const FeatureEntry::Choice kOzonePlatformHintRuntimeChoices[] = {
 479     {flag_descriptions::kOzonePlatformHintChoiceDefault, "", ""},
 480     {flag_descriptions::kOzonePlatformHintChoiceAuto,
 481      switches::kOzonePlatformHint, "auto"},
 482 #if BUILDFLAG(OZONE_PLATFORM_X11)
 483     {flag_descriptions::kOzonePlatformHintChoiceX11,
 484      switches::kOzonePlatformHint, "x11"},
 485 #endif
 486 #if BUILDFLAG(OZONE_PLATFORM_WAYLAND)
 487     {flag_descriptions::kOzonePlatformHintChoiceWayland,
 488      switches::kOzonePlatformHint, "wayland"},
 489 #endif
 490 };
 491 #endif
 492
 493 #if BUILDFLAG(ENABLE_VR)
 494 const FeatureEntry::Choice kWebXrForceRuntimeChoices[] = {
 495     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
 496     {flag_descriptions::kWebXrRuntimeChoiceNone, switches::kWebXrForceRuntime,
 497      switches::kWebXrRuntimeNone},
 498 #if BUILDFLAG(ENABLE_CARDBOARD)
 499     {flag_descriptions::kWebXrRuntimeChoiceCardboard,
 500      switches::kWebXrForceRuntime, switches::kWebXrRuntimeCardboard},
 501 #endif
 502 #if BUILDFLAG(ENABLE_GVR_SERVICES)
 503     {flag_descriptions::kWebXrRuntimeChoiceGVR, switches::kWebXrForceRuntime,
 504      switches::kWebXrRuntimeGVR},
 505 #endif
 506 #if BUILDFLAG(ENABLE_OPENXR)
 507     {flag_descriptions::kWebXrRuntimeChoiceOpenXR, switches::kWebXrForceRuntime,
 508      switches::kWebXrRuntimeOpenXr},
 509 #endif  // ENABLE_OPENXR
 510 };
 511 #endif  // ENABLE_VR
 512
 513 #if BUILDFLAG(IS_ANDROID)
 514 const FeatureEntry::FeatureParam kCCTResizablePolicyParamUseAllowlist[] = {
 515     {"default_policy", "use-allowlist"}};
 516 const FeatureEntry::FeatureParam kCCTResizablePolicyParamUseDenylist[] = {
 517     {"default_policy", "use-denylist"}};
 518
 519 const FeatureEntry::FeatureVariation
 520     kCCTResizableThirdPartiesDefaultPolicyVariations[] = {
 521         {"Use Allowlist", kCCTResizablePolicyParamUseAllowlist,
 522          std::size(kCCTResizablePolicyParamUseAllowlist), nullptr},
 523         {"Use Denylist", kCCTResizablePolicyParamUseDenylist,
 524          std::size(kCCTResizablePolicyParamUseDenylist), nullptr}};
 525
 526 const FeatureEntry::FeatureParam kCCTBrandingTestFriendly[] = {
 527     {"use_temporary_storage", "true"},
 528     {"branding_cadence", "10000"}  // 10 seconds
 529 };
 530
 531 const FeatureEntry::FeatureVariation kCctBrandTransparencyVariations[] = {
 532     {"Test friendly mode", kCCTBrandingTestFriendly,
 533      std::size(kCCTBrandingTestFriendly), nullptr}};
 534
 535 const FeatureEntry::FeatureParam
 536     kCCTRealTimeEngagementSignalsParamRealValues[] = {{"real_values", "true"}};
 537 const FeatureEntry::FeatureParam
 538     kCCTRealTimeEngagementSignalsParamFakeValues[] = {{"real_values", "false"}};
 539
 540 const FeatureEntry::FeatureParam
 541     kCCTPageInsightsHubAutotriggerDurationTesting[] = {
 542         {"page_insights_can_autotrigger_after_end", "1000"}  // 1s
 543 };
 544
 545 const FeatureEntry::FeatureVariation
 546     kCCTPageInsightsHubAutotriggerDurationVariations[] = {
 547         {"with fast peek trigger",
 548          kCCTPageInsightsHubAutotriggerDurationTesting,
 549          std::size(kCCTPageInsightsHubAutotriggerDurationTesting), nullptr}};
 550
 551 const FeatureEntry::FeatureVariation kCCTRealTimeEngagementSignalsVariations[] =
 552     {{"Send real values", kCCTRealTimeEngagementSignalsParamRealValues,
 553       std::size(kCCTRealTimeEngagementSignalsParamRealValues), nullptr},
 554      {"Send fake values", kCCTRealTimeEngagementSignalsParamFakeValues,
 555       std::size(kCCTRealTimeEngagementSignalsParamFakeValues), nullptr}};
 556
 557 const FeatureEntry::FeatureParam
 558     kCCTRealTimeEngagementSignalsAlternativeImplParam300[] = {
 559         {"time_can_update_after_end", "300"}  // 300ms
 560 };
 561 const FeatureEntry::FeatureParam
 562     kCCTRealTimeEngagementSignalsAlternativeImplParam100[] = {
 563         {"time_can_update_after_end", "100"}  // 100ms
 564 };
 565
 566 const FeatureEntry::FeatureVariation
 567     kCCTRealTimeEngagementSignalsAlternativeImplVariations[] = {
 568         {"Allow 300ms for scroll updates after scroll-end",
 569          kCCTRealTimeEngagementSignalsAlternativeImplParam300,
 570          std::size(kCCTRealTimeEngagementSignalsAlternativeImplParam300),
 571          nullptr},
 572         {"Allow 100ms for scroll updates after scroll-end",
 573          kCCTRealTimeEngagementSignalsAlternativeImplParam100,
 574          std::size(kCCTRealTimeEngagementSignalsAlternativeImplParam100),
 575          nullptr}};
 576
 577 const FeatureEntry::Choice kReaderModeHeuristicsChoices[] = {
 578     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
 579     {flag_descriptions::kReaderModeHeuristicsMarkup,
 580      switches::kReaderModeHeuristics,
 581      switches::reader_mode_heuristics::kOGArticle},
 582     {flag_descriptions::kReaderModeHeuristicsAdaboost,
 583      switches::kReaderModeHeuristics,
 584      switches::reader_mode_heuristics::kAdaBoost},
 585     {flag_descriptions::kReaderModeHeuristicsAlwaysOn,
 586      switches::kReaderModeHeuristics,
 587      switches::reader_mode_heuristics::kAlwaysTrue},
 588     {flag_descriptions::kReaderModeHeuristicsAlwaysOff,
 589      switches::kReaderModeHeuristics, switches::reader_mode_heuristics::kNone},
 590     {flag_descriptions::kReaderModeHeuristicsAllArticles,
 591      switches::kReaderModeHeuristics,
 592      switches::reader_mode_heuristics::kAllArticles},
 593 };
 594
 595 const FeatureEntry::Choice kForceUpdateMenuTypeChoices[] = {
 596     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
 597     {flag_descriptions::kUpdateMenuTypeNone, switches::kForceUpdateMenuType,
 598      "none"},
 599     {flag_descriptions::kUpdateMenuTypeUpdateAvailable,
 600      switches::kForceUpdateMenuType, "update_available"},
 601     {flag_descriptions::kUpdateMenuTypeUnsupportedOSVersion,
 602      switches::kForceUpdateMenuType, "unsupported_os_version"},
 603 };
 604
 605 const FeatureEntry::FeatureParam kOmahaMinSdkVersionAndroidMinSdk1[] = {
 606     {"min_sdk_version", "1"}};
 607 const FeatureEntry::FeatureParam kOmahaMinSdkVersionAndroidMinSdk1000[] = {
 608     {"min_sdk_version", "1000"}};
 609 const FeatureEntry::FeatureVariation kOmahaMinSdkVersionAndroidVariations[] = {
 610     {flag_descriptions::kOmahaMinSdkVersionAndroidMinSdk1Description,
 611      kOmahaMinSdkVersionAndroidMinSdk1,
 612      std::size(kOmahaMinSdkVersionAndroidMinSdk1), nullptr},
 613     {flag_descriptions::kOmahaMinSdkVersionAndroidMinSdk1000Description,
 614      kOmahaMinSdkVersionAndroidMinSdk1000,
 615      std::size(kOmahaMinSdkVersionAndroidMinSdk1000), nullptr},
 616 };
 617
 618 const FeatureEntry::FeatureParam
 619     kOptimizationGuidePersonalizedFetchingAllowPageInsights[] = {
 620         {"allowed_contexts", "CONTEXT_PAGE_INSIGHTS_HUB"}};
 621 const FeatureEntry::FeatureVariation
 622     kOptimizationGuidePersonalizedFetchingAllowPageInsightsVariations[] = {
 623         {"for Page Insights",
 624          kOptimizationGuidePersonalizedFetchingAllowPageInsights,
 625          std::size(kOptimizationGuidePersonalizedFetchingAllowPageInsights),
 626          nullptr}};
 627
 628 #else   // BUILDFLAG(IS_ANDROID)
 629 const FeatureEntry::FeatureParam kReaderModeOfferInSettings[] = {
 630     {switches::kReaderModeDiscoverabilityParamName,
 631      switches::kReaderModeOfferInSettings}};
 632
 633 const FeatureEntry::FeatureVariation kReaderModeDiscoverabilityVariations[] = {
 634     {"available in settings", kReaderModeOfferInSettings,
 635      std::size(kReaderModeOfferInSettings), nullptr}};
 636 #endif  // BUILDFLAG(IS_ANDROID)
 637
 638 #if BUILDFLAG(IS_ANDROID)
 639 const FeatureEntry::FeatureParam kAdaptiveButton_AlwaysNone[] = {
 640     {"mode", "always-none"}};
 641 const FeatureEntry::FeatureParam kAdaptiveButton_AlwaysNewTab[] = {
 642     {"mode", "always-new-tab"}};
 643 const FeatureEntry::FeatureParam kAdaptiveButton_AlwaysShare[] = {
 644     {"mode", "always-share"}};
 645 const FeatureEntry::FeatureParam kAdaptiveButton_AlwaysVoice[] = {
 646     {"mode", "always-voice"}};
 647 const FeatureEntry::FeatureParam kAdaptiveButton_AlwaysTranslate[] = {
 648     {"mode", "always-translate"}};
 649 const FeatureEntry::FeatureVariation kAdaptiveButtonInTopToolbarVariations[] = {
 650     {"Always None", kAdaptiveButton_AlwaysNone,
 651      std::size(kAdaptiveButton_AlwaysNone), nullptr},
 652     {"Always New Tab", kAdaptiveButton_AlwaysNewTab,
 653      std::size(kAdaptiveButton_AlwaysNewTab), nullptr},
 654     {"Always Share", kAdaptiveButton_AlwaysShare,
 655      std::size(kAdaptiveButton_AlwaysShare), nullptr},
 656     {"Always Voice", kAdaptiveButton_AlwaysVoice,
 657      std::size(kAdaptiveButton_AlwaysVoice), nullptr},
 658     {"Always Translate", kAdaptiveButton_AlwaysTranslate,
 659      std::size(kAdaptiveButton_AlwaysTranslate), nullptr},
 660 };
 661
 662 const FeatureEntry::FeatureParam kAdaptiveButtonCustomization_NewTab[] = {
 663     {"default_segment", "new-tab"},
 664     {"show_ui_only_after_ready", "false"},
 665     {"ignore_segmentation_results", "true"}};
 666 const FeatureEntry::FeatureParam kAdaptiveButtonCustomization_Share[] = {
 667     {"default_segment", "share"},
 668     {"show_ui_only_after_ready", "false"},
 669     {"ignore_segmentation_results", "true"}};
 670 const FeatureEntry::FeatureParam kAdaptiveButtonCustomization_Voice[] = {
 671     {"default_segment", "voice"},
 672     {"show_ui_only_after_ready", "false"},
 673     {"ignore_segmentation_results", "true"}};
 674 const FeatureEntry::FeatureVariation
 675     kAdaptiveButtonInTopToolbarCustomizationVariations[] = {
 676         {"New Tab", kAdaptiveButtonCustomization_NewTab,
 677          std::size(kAdaptiveButtonCustomization_NewTab), nullptr},
 678         {"Share", kAdaptiveButtonCustomization_Share,
 679          std::size(kAdaptiveButtonCustomization_Share), nullptr},
 680         {"Voice", kAdaptiveButtonCustomization_Voice,
 681          std::size(kAdaptiveButtonCustomization_Voice), nullptr},
 682 };
 683
 684 const FeatureEntry::FeatureParam kContextualPageActionsUiParams_Quiet[] = {
 685     {"action_chip", "false"},
 686 };
 687 const FeatureEntry::FeatureParam kContextualPageActionsUiParams_ActionChip[] = {
 688     {"action_chip", "true"},
 689     {"action_chip_time_ms", "3000"},
 690 };
 691 const FeatureEntry::FeatureParam
 692     kContextualPageActionsUiParams_ActionChip_6s[] = {
 693         {"action_chip", "true"},
 694         {"action_chip_time_ms", "6000"},
 695 };
 696 const FeatureEntry::FeatureParam
 697     kContextualPageActionsUiParams_ActionChip_AltColor[] = {
 698         {"action_chip", "true"},
 699         {"action_chip_time_ms", "3000"},
 700         {"action_chip_with_different_color", "true"},
 701 };
 702 const FeatureEntry::FeatureParam
 703     kContextualPageActionsUiParams_ActionChip_AltColor_6s[] = {
 704         {"action_chip", "true"},
 705         {"action_chip_time_ms", "6000"},
 706         {"action_chip_with_different_color", "true"},
 707 };
 708
 709 const FeatureEntry::FeatureParam kContextualPageActions_DisableUi[]{
 710     {"disable_ui", "true"},
 711 };
 712 const FeatureEntry::FeatureVariation kContextualPageActionsVariations[] = {
 713     {"Disable UI", kContextualPageActions_DisableUi},
 714 };
 715
 716 const FeatureEntry::FeatureVariation
 717     kContextualPageActionPriceTrackingVariations[] = {
 718         {"Quiet", kContextualPageActionsUiParams_Quiet,
 719          std::size(kContextualPageActionsUiParams_Quiet), nullptr},
 720         {"Action Chip", kContextualPageActionsUiParams_ActionChip,
 721          std::size(kContextualPageActionsUiParams_ActionChip), nullptr},
 722         {"Action Chip - 6s", kContextualPageActionsUiParams_ActionChip_6s,
 723          std::size(kContextualPageActionsUiParams_ActionChip_6s), nullptr},
 724         {"Action Chip - Alternative Color",
 725          kContextualPageActionsUiParams_ActionChip_AltColor,
 726          std::size(kContextualPageActionsUiParams_ActionChip_AltColor),
 727          nullptr},
 728         {"Action Chip - Alternative Color - 6s",
 729          kContextualPageActionsUiParams_ActionChip_AltColor_6s,
 730          std::size(kContextualPageActionsUiParams_ActionChip_AltColor_6s),
 731          nullptr},
 732 };
 733
 734 const FeatureEntry::FeatureParam
 735     kContextualPageActionReaderMode_ActionChip_NotRateLimited[] = {
 736         {"action_chip", "true"},
 737         {"action_chip_time_ms", "3000"},
 738         {"reader_mode_session_rate_limiting", "false"},
 739 };
 740 const FeatureEntry::FeatureParam
 741     kContextualPageActionReaderMode_ActionChip_NotRateLimited_6s[] = {
 742         {"action_chip", "true"},
 743         {"action_chip_time_ms", "6000"},
 744         {"reader_mode_session_rate_limiting", "false"},
 745 };
 746 const FeatureEntry::FeatureVariation
 747     kContextualPageActionReaderModeVariations[] = {
 748         {"Quiet", kContextualPageActionsUiParams_Quiet,
 749          std::size(kContextualPageActionsUiParams_Quiet), nullptr},
 750         {"Action Chip", kContextualPageActionsUiParams_ActionChip,
 751          std::size(kContextualPageActionsUiParams_ActionChip), nullptr},
 752         {"Action Chip - 6s", kContextualPageActionsUiParams_ActionChip_6s,
 753          std::size(kContextualPageActionsUiParams_ActionChip_6s), nullptr},
 754         {"Action Chip - Alternative Color",
 755          kContextualPageActionsUiParams_ActionChip_AltColor,
 756          std::size(kContextualPageActionsUiParams_ActionChip_AltColor),
 757          nullptr},
 758         {"Action Chip - Alternative Color - 6s",
 759          kContextualPageActionsUiParams_ActionChip_AltColor_6s,
 760          std::size(kContextualPageActionsUiParams_ActionChip_AltColor_6s),
 761          nullptr},
 762         {"Action Chip - Not rate limited - 3s",
 763          kContextualPageActionReaderMode_ActionChip_NotRateLimited,
 764          std::size(kContextualPageActionReaderMode_ActionChip_NotRateLimited),
 765          nullptr},
 766         {"Action Chip - Not rate limited - 6s",
 767          kContextualPageActionReaderMode_ActionChip_NotRateLimited_6s,
 768          std::size(
 769              kContextualPageActionReaderMode_ActionChip_NotRateLimited_6s),
 770          nullptr},
 771 };
 772
 773 #endif  // BUILDFLAG(IS_ANDROID)
 774
 775 #if !BUILDFLAG(IS_CHROMEOS_ASH)
 776 const FeatureEntry::FeatureParam kForceDark_SimpleHsl[] = {
 777     {"inversion_method", "hsl_based"},
 778     {"image_behavior", "none"},
 779     {"foreground_lightness_threshold", "150"},
 780     {"background_lightness_threshold", "205"}};
 781
 782 const FeatureEntry::FeatureParam kForceDark_SimpleCielab[] = {
 783     {"inversion_method", "cielab_based"},
 784     {"image_behavior", "none"},
 785     {"foreground_lightness_threshold", "150"},
 786     {"background_lightness_threshold", "205"}};
 787
 788 const FeatureEntry::FeatureParam kForceDark_SimpleRgb[] = {
 789     {"inversion_method", "rgb_based"},
 790     {"image_behavior", "none"},
 791     {"foreground_lightness_threshold", "150"},
 792     {"background_lightness_threshold", "205"}};
 793
 794 // Keep in sync with the kForceDark_SelectiveImageInversion
 795 // in aw_feature_entries.cc if you tweak these parameters.
 796 const FeatureEntry::FeatureParam kForceDark_SelectiveImageInversion[] = {
 797     {"inversion_method", "cielab_based"},
 798     {"image_behavior", "selective"},
 799     {"foreground_lightness_threshold", "150"},
 800     {"background_lightness_threshold", "205"}};
 801
 802 const FeatureEntry::FeatureParam kForceDark_SelectiveElementInversion[] = {
 803     {"inversion_method", "cielab_based"},
 804     {"image_behavior", "none"},
 805     {"foreground_lightness_threshold", "150"},
 806     {"background_lightness_threshold", "205"}};
 807
 808 const FeatureEntry::FeatureParam kForceDark_SelectiveGeneralInversion[] = {
 809     {"inversion_method", "cielab_based"},
 810     {"image_behavior", "selective"},
 811     {"foreground_lightness_threshold", "150"},
 812     {"background_lightness_threshold", "205"}};
 813
 814 const FeatureEntry::FeatureParam kForceDark_TransparencyAndNumColors[] = {
 815     {"classifier_policy", "transparency_and_num_colors"}};
 816
 817 const FeatureEntry::FeatureVariation kForceDarkVariations[] = {
 818     {"with simple HSL-based inversion", kForceDark_SimpleHsl,
 819      std::size(kForceDark_SimpleHsl), nullptr},
 820     {"with simple CIELAB-based inversion", kForceDark_SimpleCielab,
 821      std::size(kForceDark_SimpleCielab), nullptr},
 822     {"with simple RGB-based inversion", kForceDark_SimpleRgb,
 823      std::size(kForceDark_SimpleRgb), nullptr},
 824     {"with selective image inversion", kForceDark_SelectiveImageInversion,
 825      std::size(kForceDark_SelectiveImageInversion), nullptr},
 826     {"with selective inversion of non-image elements",
 827      kForceDark_SelectiveElementInversion,
 828      std::size(kForceDark_SelectiveElementInversion), nullptr},
 829     {"with selective inversion of everything",
 830      kForceDark_SelectiveGeneralInversion,
 831      std::size(kForceDark_SelectiveGeneralInversion), nullptr},
 832     {"with selective image inversion based on transparency and number of "
 833      "colors",
 834      kForceDark_TransparencyAndNumColors,
 835      std::size(kForceDark_TransparencyAndNumColors), nullptr}};
 836 #endif  // !BUILDFLAG(IS_CHROMEOS)
 837
 838 const FeatureEntry::FeatureParam kClipboardMaximumAge60Seconds[] = {
 839     {"UIClipboardMaximumAge", "60"}};
 840 const FeatureEntry::FeatureParam kClipboardMaximumAge90Seconds[] = {
 841     {"UIClipboardMaximumAge", "90"}};
 842 const FeatureEntry::FeatureParam kClipboardMaximumAge120Seconds[] = {
 843     {"UIClipboardMaximumAge", "120"}};
 844 const FeatureEntry::FeatureParam kClipboardMaximumAge150Seconds[] = {
 845     {"UIClipboardMaximumAge", "150"}};
 846 const FeatureEntry::FeatureParam kClipboardMaximumAge180Seconds[] = {
 847     {"UIClipboardMaximumAge", "180"}};
 848
 849 const FeatureEntry::FeatureVariation kClipboardMaximumAgeVariations[] = {
 850     {"Enabled 60 seconds", kClipboardMaximumAge60Seconds,
 851      std::size(kClipboardMaximumAge60Seconds), nullptr},
 852     {"Enabled 90 seconds", kClipboardMaximumAge90Seconds,
 853      std::size(kClipboardMaximumAge90Seconds), nullptr},
 854     {"Enabled 120 seconds", kClipboardMaximumAge120Seconds,
 855      std::size(kClipboardMaximumAge120Seconds), nullptr},
 856     {"Enabled 150 seconds", kClipboardMaximumAge150Seconds,
 857      std::size(kClipboardMaximumAge150Seconds), nullptr},
 858     {"Enabled 180 seconds", kClipboardMaximumAge180Seconds,
 859      std::size(kClipboardMaximumAge180Seconds), nullptr},
 860 };
 861
 862 const FeatureEntry::FeatureParam kMBIModeLegacy[] = {{"mode", "legacy"}};
 863 const FeatureEntry::FeatureParam kMBIModeEnabledPerRenderProcessHost[] = {
 864     {"mode", "per_render_process_host"}};
 865 const FeatureEntry::FeatureParam kMBIModeEnabledPerSiteInstance[] = {
 866     {"mode", "per_site_instance"}};
 867
 868 const FeatureEntry::FeatureVariation kMBIModeVariations[] = {
 869     {"legacy mode", kMBIModeLegacy, std::size(kMBIModeLegacy), nullptr},
 870     {"per render process host", kMBIModeEnabledPerRenderProcessHost,
 871      std::size(kMBIModeEnabledPerRenderProcessHost), nullptr},
 872     {"per site instance", kMBIModeEnabledPerSiteInstance,
 873      std::size(kMBIModeEnabledPerSiteInstance), nullptr}};
 874
 875 const FeatureEntry::FeatureParam kSearchPrefetchWithoutHoldback[] = {
 876     {"prefetch_holdback", "false"}};
 877 const FeatureEntry::FeatureParam kSearchPrefetchWithHoldback[] = {
 878     {"prefetch_holdback", "true"}};
 879
 880 const FeatureEntry::FeatureVariation
 881     kSearchPrefetchServicePrefetchingVariations[] = {
 882         {"without holdback", kSearchPrefetchWithoutHoldback,
 883          std::size(kSearchPrefetchWithoutHoldback), nullptr},
 884         {"with holdback", kSearchPrefetchWithHoldback,
 885          std::size(kSearchPrefetchWithHoldback), nullptr}};
 886
 887 #if BUILDFLAG(IS_CHROMEOS)
 888 // Note these strings must match the `kUserGroupParam` definition in
 889 // web_applications/preinstalled_web_app_window_experiment.cc.
 890 const FeatureEntry::FeatureParam kPreinstalledWebAppWindowExperimentControl[] =
 891     {{"user_group", "control"}};
 892 const FeatureEntry::FeatureParam kPreinstalledWebAppWindowExperimentWindow[] = {
 893     {"user_group", "window"}};
 894 const FeatureEntry::FeatureParam kPreinstalledWebAppWindowExperimentTab[] = {
 895     {"user_group", "tab"}};
 896 const FeatureEntry::FeatureVariation
 897     kPreinstalledWebAppWindowExperimentVariations[] = {
 898         {"control", kPreinstalledWebAppWindowExperimentControl,
 899          std::size(kPreinstalledWebAppWindowExperimentControl), nullptr},
 900         {"window", kPreinstalledWebAppWindowExperimentWindow,
 901          std::size(kPreinstalledWebAppWindowExperimentWindow), nullptr},
 902         {"tab", kPreinstalledWebAppWindowExperimentTab,
 903          std::size(kPreinstalledWebAppWindowExperimentTab), nullptr}};
 904
 905 const FeatureEntry::FeatureParam kRoundedWindowRadius8 = {
 906     chromeos::features::kRoundedWindowsRadius, "8"};
 907
 908 const FeatureEntry::FeatureParam kRoundedWindowRadius10 = {
 909     chromeos::features::kRoundedWindowsRadius, "10"};
 910
 911 const FeatureEntry::FeatureParam kRoundedWindowRadius12 = {
 912     chromeos::features::kRoundedWindowsRadius, "12"};
 913
 914 const FeatureEntry::FeatureParam kRoundedWindowRadius14 = {
 915     chromeos::features::kRoundedWindowsRadius, "14"};
 916
 917 const FeatureEntry::FeatureParam kRoundedWindowRadius16 = {
 918     chromeos::features::kRoundedWindowsRadius, "16"};
 919
 920 const FeatureEntry::FeatureParam kRoundedWindowRadius18 = {
 921     chromeos::features::kRoundedWindowsRadius, "18"};
 922
 923 const FeatureEntry::FeatureVariation kRoundedWindowsRadiusVariation[] = {
 924     {"8", &kRoundedWindowRadius8, 1, nullptr},
 925     {"10", &kRoundedWindowRadius10, 1, nullptr},
 926     {"12", &kRoundedWindowRadius12, 1, nullptr},
 927     {"14", &kRoundedWindowRadius14, 1, nullptr},
 928     {"16", &kRoundedWindowRadius16, 1, nullptr},
 929     {"18", &kRoundedWindowRadius18, 1, nullptr},
 930 };
 931
 932 #endif  // BUILDFLAG(IS_CHROMEOS)
 933
 934 #if BUILDFLAG(IS_ANDROID)
 935 const FeatureEntry::FeatureParam kCloseTabSuggestionsStale_Immediate[] = {
 936     {"baseline_tab_suggestions", "true"},
 937     {"baseline_close_tab_suggestions", "true"}};
 938 const FeatureEntry::FeatureParam kCloseTabSuggestionsStale_4Hours[] = {
 939     {"close_tab_suggestions_stale_time_ms", "14400000"}};
 940 const FeatureEntry::FeatureParam kCloseTabSuggestionsStale_8Hours[] = {
 941     {"close_tab_suggestions_stale_time_ms", "28800000"}};
 942 const FeatureEntry::FeatureParam kCloseTabSuggestionsStale_7Days[] = {
 943     {"close_tab_suggestions_stale_time_ms", "604800000"}};
 944 const FeatureEntry::FeatureParam kCloseTabSuggestionsTimeSiteEngagement[] = {
 945     {"close_tab_min_num_tabs", "5"},
 946     {"close_tab_features_time_last_used_enabled", "true"},
 947     {"close_tab_features_time_last_used_transform", "MEAN_VARIANCE"},
 948     {"close_tab_features_time_last_used_threshold", "0.5"},
 949     {"close_tab_features_site_engagement_enabled", "true"},
 950     {"close_tab_features_site_engagement_threshold", "90.0"},
 951 };
 952 const FeatureEntry::FeatureParam kGroupAndCloseTabSuggestions_Immediate[] = {
 953     {"baseline_tab_suggestions", "true"},
 954     {"baseline_group_tab_suggestions", "true"},
 955     {"baseline_close_tab_suggestions", "true"}};
 956
 957 const FeatureEntry::FeatureVariation kCloseTabSuggestionsStaleVariations[] = {
 958     {"Close Immediate", kCloseTabSuggestionsStale_Immediate,
 959      std::size(kCloseTabSuggestionsStale_Immediate), nullptr},
 960     {"Group+Close Immediate", kGroupAndCloseTabSuggestions_Immediate,
 961      std::size(kGroupAndCloseTabSuggestions_Immediate), nullptr},
 962     {"4 hours", kCloseTabSuggestionsStale_4Hours,
 963      std::size(kCloseTabSuggestionsStale_4Hours), nullptr},
 964     {"8 hours", kCloseTabSuggestionsStale_8Hours,
 965      std::size(kCloseTabSuggestionsStale_8Hours), nullptr},
 966     {"7 days", kCloseTabSuggestionsStale_7Days,
 967      std::size(kCloseTabSuggestionsStale_7Days), nullptr},
 968     {"Time & Site Engagement", kCloseTabSuggestionsTimeSiteEngagement,
 969      std::size(kCloseTabSuggestionsTimeSiteEngagement), nullptr},
 970 };
 971
 972 const FeatureEntry::FeatureParam kCriticalPersistedTabDataSaveAndRestore[] = {
 973     {"critical_persisted_tab_data_save_only", "false"},
 974     {"delay_saves_until_deferred_startup", "false"}};
 975 const FeatureEntry::FeatureParam kCriticalPersistedTabDataSaveOnly[] = {
 976     {"critical_persisted_tab_data_save_only", "true"},
 977     {"delay_saves_until_deferred_startup", "false"}};
 978 const FeatureEntry::FeatureParam kDelaySavesUntilDeferredStartup[] = {
 979     {"critical_persisted_tab_data_save_only", "false"},
 980     {"delay_saves_until_deferred_startup", "true"}};
 981
 982 const FeatureEntry::FeatureVariation kCriticalPersistedTabDataVariations[] = {
 983     {"Save and Restore", kCriticalPersistedTabDataSaveAndRestore,
 984      std::size(kCriticalPersistedTabDataSaveAndRestore), nullptr},
 985     {"Save Only", kCriticalPersistedTabDataSaveOnly,
 986      std::size(kCriticalPersistedTabDataSaveOnly), nullptr},
 987     {"Delay saves until DeferredStartup", kDelaySavesUntilDeferredStartup,
 988      std::size(kDelaySavesUntilDeferredStartup), nullptr}};
 989
 990 const FeatureEntry::FeatureParam kShowSingleRowMVTiles[] = {
 991     {"most_visited_max_rows_normal_screen", "1"},
 992     {"most_visited_max_rows_small_screen", "1"},
 993     {"small_screen_height_threshold_dp", "700"}};
 994 const FeatureEntry::FeatureParam kShowTwoRowsMVTiles[] = {
 995     {"most_visited_max_rows_normal_screen", "2"},
 996     {"most_visited_max_rows_small_screen", "2"},
 997     {"small_screen_height_threshold_dp", "700"}};
 998 const FeatureEntry::FeatureVariation kQueryTilesVariations[] = {
 999     {"(show single row of MV tiles)", kShowSingleRowMVTiles,
1000      std::size(kShowSingleRowMVTiles), nullptr},
1001     {"(show two rows of MV tiles)", kShowTwoRowsMVTiles,
1002      std::size(kShowTwoRowsMVTiles), nullptr}};
1003
1004 const FeatureEntry::FeatureParam kTangibleSyncGroupA[] = {{"group_id", "1"}};
1005 const FeatureEntry::FeatureParam kTangibleSyncGroupB[] = {{"group_id", "2"}};
1006 const FeatureEntry::FeatureParam kTangibleSyncGroupC[] = {{"group_id", "3"}};
1007 const FeatureEntry::FeatureParam kTangibleSyncGroupD[] = {{"group_id", "4"}};
1008 const FeatureEntry::FeatureParam kTangibleSyncGroupE[] = {{"group_id", "5"}};
1009 const FeatureEntry::FeatureParam kTangibleSyncGroupF[] = {{"group_id", "6"}};
1010 const FeatureEntry::FeatureVariation kTangibleSyncVariations[] = {
1011     {"(pick up where you left off)", kTangibleSyncGroupA,
1012      std::size(kTangibleSyncGroupA), nullptr},
1013     {"(browse across devices)", kTangibleSyncGroupB,
1014      std::size(kTangibleSyncGroupB), nullptr},
1015     {"(save time and type less)", kTangibleSyncGroupC,
1016      std::size(kTangibleSyncGroupC), nullptr},
1017     {"(get better suggestions)", kTangibleSyncGroupD,
1018      std::size(kTangibleSyncGroupD), nullptr},
1019     {"(sync your tabs and history)", kTangibleSyncGroupE,
1020      std::size(kTangibleSyncGroupE), nullptr},
1021     {"(Turn on sync?)", kTangibleSyncGroupF, std::size(kTangibleSyncGroupF),
1022      nullptr}};
1023 #endif  // BUILDFLAG(IS_ANDROID)
1024
1025 const FeatureEntry::Choice kEnableGpuRasterizationChoices[] = {
1026     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1027     {flags_ui::kGenericExperimentChoiceEnabled,
1028      switches::kEnableGpuRasterization, ""},
1029     {flags_ui::kGenericExperimentChoiceDisabled,
1030      switches::kDisableGpuRasterization, ""},
1031 };
1032
1033 const FeatureEntry::Choice kTopChromeTouchUiChoices[] = {
1034     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1035     {flags_ui::kGenericExperimentChoiceAutomatic, switches::kTopChromeTouchUi,
1036      switches::kTopChromeTouchUiAuto},
1037     {flags_ui::kGenericExperimentChoiceDisabled, switches::kTopChromeTouchUi,
1038      switches::kTopChromeTouchUiDisabled},
1039     {flags_ui::kGenericExperimentChoiceEnabled, switches::kTopChromeTouchUi,
1040      switches::kTopChromeTouchUiEnabled}};
1041
1042 #if BUILDFLAG(IS_CHROMEOS_ASH)
1043
1044 const FeatureEntry::FeatureParam
1045     kArcRoundedWindowCompatStrategyLeftRightBottomGesture = {
1046         arc::kRoundedWindowCompatStrategy,
1047         arc::kRoundedWindowCompatStrategy_LeftRightBottomGesture};
1048
1049 const FeatureEntry::FeatureParam
1050     kArcRoundedWindowCompatStrategyBottomOnlyGesture = {
1051         arc::kRoundedWindowCompatStrategy,
1052         arc::kRoundedWindowCompatStrategy_BottomOnlyGesture};
1053
1054 const FeatureEntry::FeatureVariation kArcRoundedWindowCompatVariation[] = {
1055     {"Left-Right-Bottom Gesture Exclusion",
1056      &kArcRoundedWindowCompatStrategyLeftRightBottomGesture, 1, nullptr},
1057     {"Bottom-only Gesture Exclusion",
1058      &kArcRoundedWindowCompatStrategyBottomOnlyGesture, 1, nullptr},
1059 };
1060
1061 const FeatureEntry::FeatureParam kHibernate6 = {"HibernateAfterTimeHours", "6"};
1062 const FeatureEntry::FeatureParam kHibernate8 = {"HibernateAfterTimeHours", "8"};
1063 const FeatureEntry::FeatureParam kHibernate12 = {"HibernateAfterTimeHours",
1064                                                  "12"};
1065 const FeatureEntry::FeatureParam kHibernate24 = {"HibernateAfterTimeHours",
1066                                                  "24"};
1067
1068 const FeatureEntry::FeatureVariation kHibernateFeatureVariations[] = {
1069     {"Hibernate after 6 hours", &kHibernate6, 1, nullptr},
1070     {"Hibernate after 8 hours", &kHibernate8, 1, nullptr},
1071     {"Hibernate after 12 hours", &kHibernate12, 1, nullptr},
1072     {"Hibernate after 24 hours", &kHibernate24, 1, nullptr},
1073 };
1074
1075 const char kPreferDcheckInternalName[] = "prefer-dcheck";
1076
1077 const char kLacrosAvailabilityIgnoreInternalName[] =
1078     "lacros-availability-ignore";
1079 const char kLacrosOnlyInternalName[] = "lacros-only";
1080 const char kLacrosStabilityInternalName[] = "lacros-stability";
1081 const char kLacrosWaylandLoggingInternalName[] = "lacros-wayland-logging";
1082 const char kArcEnableVirtioBlkForDataInternalName[] =
1083     "arc-enable-virtio-blk-for-data";
1084
1085 const FeatureEntry::Choice kPreferDcheckChoices[] = {
1086     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1087     {component_updater::kPreferDcheckOptIn,
1088      component_updater::kPreferDcheckSwitch,
1089      component_updater::kPreferDcheckOptIn},
1090     {component_updater::kPreferDcheckOptOut,
1091      component_updater::kPreferDcheckSwitch,
1092      component_updater::kPreferDcheckOptOut},
1093 };
1094
1095 const FeatureEntry::Choice kLacrosStabilityChoices[] = {
1096     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1097     {crosapi::browser_util::kLacrosStabilityChannelCanary,
1098      crosapi::browser_util::kLacrosStabilitySwitch,
1099      crosapi::browser_util::kLacrosStabilityChannelCanary},
1100     {crosapi::browser_util::kLacrosStabilityChannelDev,
1101      crosapi::browser_util::kLacrosStabilitySwitch,
1102      crosapi::browser_util::kLacrosStabilityChannelDev},
1103     {crosapi::browser_util::kLacrosStabilityChannelBeta,
1104      crosapi::browser_util::kLacrosStabilitySwitch,
1105      crosapi::browser_util::kLacrosStabilityChannelBeta},
1106     {crosapi::browser_util::kLacrosStabilityChannelStable,
1107      crosapi::browser_util::kLacrosStabilitySwitch,
1108      crosapi::browser_util::kLacrosStabilityChannelStable},
1109 };
1110
1111 const char kLacrosSelectionInternalName[] = "lacros-selection";
1112 const char kProjectorServerSideSpeechRecognition[] =
1113     "enable-projector-server-side-speech-recognition";
1114
1115 const FeatureEntry::Choice kLacrosSelectionChoices[] = {
1116     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1117     {flag_descriptions::kLacrosSelectionStatefulDescription,
1118      crosapi::browser_util::kLacrosSelectionSwitch,
1119      crosapi::browser_util::kLacrosSelectionStateful},
1120     {flag_descriptions::kLacrosSelectionRootfsDescription,
1121      crosapi::browser_util::kLacrosSelectionSwitch,
1122      crosapi::browser_util::kLacrosSelectionRootfs},
1123 };
1124
1125 const char kLacrosSelectionPolicyIgnoreInternalName[] =
1126     "lacros-selection-ignore";
1127
1128 const FeatureEntry::Choice kLacrosAvailabilityPolicyChoices[] = {
1129     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1130     {ash::standalone_browser::kLacrosAvailabilityPolicyUserChoice,
1131      ash::standalone_browser::kLacrosAvailabilityPolicySwitch,
1132      ash::standalone_browser::kLacrosAvailabilityPolicyUserChoice},
1133     {ash::standalone_browser::kLacrosAvailabilityPolicyLacrosDisabled,
1134      ash::standalone_browser::kLacrosAvailabilityPolicySwitch,
1135      ash::standalone_browser::kLacrosAvailabilityPolicyLacrosDisabled},
1136     {ash::standalone_browser::kLacrosAvailabilityPolicyLacrosOnly,
1137      ash::standalone_browser::kLacrosAvailabilityPolicySwitch,
1138      ash::standalone_browser::kLacrosAvailabilityPolicyLacrosOnly},
1139 };
1140
1141 const FeatureEntry::Choice kLacrosDataBackwardMigrationModePolicyChoices[] = {
1142     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1143     {crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyNone,
1144      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicySwitch,
1145      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyNone},
1146     {crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyKeepNone,
1147      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicySwitch,
1148      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyKeepNone},
1149     {crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyKeepSafeData,
1150      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicySwitch,
1151      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyKeepSafeData},
1152     {crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyKeepAll,
1153      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicySwitch,
1154      crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyKeepAll},
1155 };
1156
1157 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
1158
1159 const FeatureEntry::Choice kForceUIDirectionChoices[] = {
1160     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1161     {flag_descriptions::kForceDirectionLtr, switches::kForceUIDirection,
1162      switches::kForceDirectionLTR},
1163     {flag_descriptions::kForceDirectionRtl, switches::kForceUIDirection,
1164      switches::kForceDirectionRTL},
1165 };
1166
1167 const FeatureEntry::Choice kForceTextDirectionChoices[] = {
1168     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1169     {flag_descriptions::kForceDirectionLtr, switches::kForceTextDirection,
1170      switches::kForceDirectionLTR},
1171     {flag_descriptions::kForceDirectionRtl, switches::kForceTextDirection,
1172      switches::kForceDirectionRTL},
1173 };
1174
1175 const FeatureEntry::Choice kIpProtectionProxyOptOutChoices[] = {
1176     {flag_descriptions::kIpProtectionProxyOptOutChoiceDefault, "", ""},
1177     {flag_descriptions::kIpProtectionProxyOptOutChoiceOptOut,
1178      switches::kDisableIpProtectionProxy, ""},
1179 };
1180
1181 #if BUILDFLAG(IS_CHROMEOS_ASH)
1182 const FeatureEntry::Choice kSchedulerConfigurationChoices[] = {
1183     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1184     {flag_descriptions::kSchedulerConfigurationConservative,
1185      switches::kSchedulerConfiguration,
1186      switches::kSchedulerConfigurationConservative},
1187     {flag_descriptions::kSchedulerConfigurationPerformance,
1188      switches::kSchedulerConfiguration,
1189      switches::kSchedulerConfigurationPerformance},
1190 };
1191 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
1192
1193 #if BUILDFLAG(IS_CHROMEOS_ASH)
1194 const FeatureEntry::FeatureParam kDynamicSearchUpdateAnimationDuration_50[] = {
1195     {"search_result_translation_duration", "50"}};
1196 const FeatureEntry::FeatureParam kDynamicSearchUpdateAnimationDuration_100[] = {
1197     {"search_result_translation_duration", "100"}};
1198 const FeatureEntry::FeatureParam kDynamicSearchUpdateAnimationDuration_150[] = {
1199     {"search_result_translation_duration", "150"}};
1200
1201 const FeatureEntry::FeatureVariation kDynamicSearchUpdateAnimationVariations[] =
1202     {{"50ms", kDynamicSearchUpdateAnimationDuration_50,
1203       std::size(kDynamicSearchUpdateAnimationDuration_50), nullptr},
1204      {"100ms", kDynamicSearchUpdateAnimationDuration_100,
1205       std::size(kDynamicSearchUpdateAnimationDuration_100), nullptr},
1206      {"150ms", kDynamicSearchUpdateAnimationDuration_150,
1207       std::size(kDynamicSearchUpdateAnimationDuration_150), nullptr}};
1208 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
1209
1210 #if BUILDFLAG(ENABLE_NACL)
1211 // Note: This needs to be kept in sync with parsing in
1212 // content/common/zygote/zygote_communication_linux.cc
1213 const FeatureEntry::Choice kVerboseLoggingInNaclChoices[] = {
1214     {flag_descriptions::kVerboseLoggingInNaclChoiceDefault, "", ""},
1215     {flag_descriptions::kVerboseLoggingInNaclChoiceLow,
1216      switches::kVerboseLoggingInNacl, switches::kVerboseLoggingInNaclChoiceLow},
1217     {flag_descriptions::kVerboseLoggingInNaclChoiceMedium,
1218      switches::kVerboseLoggingInNacl,
1219      switches::kVerboseLoggingInNaclChoiceMedium},
1220     {flag_descriptions::kVerboseLoggingInNaclChoiceHigh,
1221      switches::kVerboseLoggingInNacl,
1222      switches::kVerboseLoggingInNaclChoiceHigh},
1223     {flag_descriptions::kVerboseLoggingInNaclChoiceHighest,
1224      switches::kVerboseLoggingInNacl,
1225      switches::kVerboseLoggingInNaclChoiceHighest},
1226     {flag_descriptions::kVerboseLoggingInNaclChoiceDisabled,
1227      switches::kVerboseLoggingInNacl,
1228      switches::kVerboseLoggingInNaclChoiceDisabled},
1229 };
1230 #endif  // ENABLE_NACL
1231
1232 const FeatureEntry::Choice kSiteIsolationOptOutChoices[] = {
1233     {flag_descriptions::kSiteIsolationOptOutChoiceDefault, "", ""},
1234     {flag_descriptions::kSiteIsolationOptOutChoiceOptOut,
1235      switches::kDisableSiteIsolation, ""},
1236 };
1237
1238 const FeatureEntry::Choice kForceColorProfileChoices[] = {
1239     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1240     {flag_descriptions::kForceColorProfileSRGB,
1241      switches::kForceDisplayColorProfile, "srgb"},
1242     {flag_descriptions::kForceColorProfileP3,
1243      switches::kForceDisplayColorProfile, "display-p3-d65"},
1244     {flag_descriptions::kForceColorProfileRec2020,
1245      switches::kForceDisplayColorProfile, "rec2020"},
1246     {flag_descriptions::kForceColorProfileColorSpin,
1247      switches::kForceDisplayColorProfile, "color-spin-gamma24"},
1248     {flag_descriptions::kForceColorProfileSCRGBLinear,
1249      switches::kForceDisplayColorProfile, "scrgb-linear"},
1250     {flag_descriptions::kForceColorProfileHDR10,
1251      switches::kForceDisplayColorProfile, "hdr10"},
1252 };
1253
1254 const FeatureEntry::Choice kMemlogModeChoices[] = {
1255     {flags_ui::kGenericExperimentChoiceDisabled, "", ""},
1256     {flag_descriptions::kMemlogModeMinimal, heap_profiling::kMemlogMode,
1257      heap_profiling::kMemlogModeMinimal},
1258     {flag_descriptions::kMemlogModeAll, heap_profiling::kMemlogMode,
1259      heap_profiling::kMemlogModeAll},
1260     {flag_descriptions::kMemlogModeBrowser, heap_profiling::kMemlogMode,
1261      heap_profiling::kMemlogModeBrowser},
1262     {flag_descriptions::kMemlogModeGpu, heap_profiling::kMemlogMode,
1263      heap_profiling::kMemlogModeGpu},
1264     {flag_descriptions::kMemlogModeAllRenderers, heap_profiling::kMemlogMode,
1265      heap_profiling::kMemlogModeAllRenderers},
1266     {flag_descriptions::kMemlogModeRendererSampling,
1267      heap_profiling::kMemlogMode, heap_profiling::kMemlogModeRendererSampling},
1268 };
1269
1270 const FeatureEntry::Choice kMemlogStackModeChoices[] = {
1271     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1272     {flag_descriptions::kMemlogStackModeNative,
1273      heap_profiling::kMemlogStackMode, heap_profiling::kMemlogStackModeNative},
1274     {flag_descriptions::kMemlogStackModeNativeWithThreadNames,
1275      heap_profiling::kMemlogStackMode,
1276      heap_profiling::kMemlogStackModeNativeWithThreadNames},
1277 };
1278
1279 const FeatureEntry::Choice kMemlogSamplingRateChoices[] = {
1280     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
1281     {flag_descriptions::kMemlogSamplingRate10KB,
1282      heap_profiling::kMemlogSamplingRate,
1283      heap_profiling::kMemlogSamplingRate10KB},
1284     {flag_descriptions::kMemlogSamplingRate50KB,
1285      heap_profiling::kMemlogSamplingRate,
1286      heap_profiling::kMemlogSamplingRate50KB},
1287     {flag_descriptions::kMemlogSamplingRate100KB,
1288      heap_profiling::kMemlogSamplingRate,
1289      heap_profiling::kMemlogSamplingRate100KB},
1290     {flag_descriptions::kMemlogSamplingRate500KB,
1291      heap_profiling::kMemlogSamplingRate,
1292      heap_profiling::kMemlogSamplingRate500KB},
1293     {flag_descriptions::kMemlogSamplingRate1MB,
1294      heap_profiling::kMemlogSamplingRate,
1295      heap_profiling::kMemlogSamplingRate1MB},
1296     {flag_descriptions::kMemlogSamplingRate5MB,
1297      heap_profiling::kMemlogSamplingRate,
1298      heap_profiling::kMemlogSamplingRate5MB},
1299 };
1300 const FeatureEntry::FeatureParam kPageContentAnnotationsContentParams[] = {
1301     {"annotate_title_instead_of_page_content", "false"},
1302     {"extract_related_searches", "true"},
1303     {"max_size_for_text_dump_in_bytes", "5120"},
1304     {"write_to_history_service", "true"},
1305 };
1306 const FeatureEntry::FeatureParam kPageContentAnnotationsTitleParams[] = {
1307     {"annotate_title_instead_of_page_content", "true"},
1308     {"extract_related_searches", "true"},
1309     {"write_to_history_service", "true"},
1310 };
1311 const FeatureEntry::FeatureVariation kPageContentAnnotationsVariations[] = {
1312     {"All Annotations and Persistence on Content",
1313      kPageContentAnnotationsContentParams,
1314      std::size(kPageContentAnnotationsContentParams), nullptr},
1315     {"All Annotations and Persistence on Title",
1316      kPageContentAnnotationsTitleParams,
1317      std::size(kPageContentAnnotationsTitleParams), nullptr},
1318 };
1319 const FeatureEntry::FeatureParam
1320     kPageEntitiesPageContentAnnotationsAllLocalesParams[] = {
1321         {"supported_locales", "*"},
1322 };
1323 const FeatureEntry::FeatureVariation
1324     kPageEntitiesPageContentAnnotationsVariations[] = {
1325         {"All Supported Locales",
1326          kPageEntitiesPageContentAnnotationsAllLocalesParams,
1327          std::size(kPageEntitiesPageContentAnnotationsAllLocalesParams),
1328          nullptr},
1329 };
1330 const FeatureEntry::FeatureParam kJourneysShowAllVisitsParams[] = {
1331     {"JourneysLocaleOrLanguageAllowlist", "*"},
1332     // To show all visits, set the number of visits above the fold to a very
1333     // high number.
1334     {"JourneysNumVisitsToAlwaysShowAboveTheFold", "200"},
1335 };
1336 const FeatureEntry::FeatureParam kJourneysAllLocalesParams[] = {
1337     {"JourneysLocaleOrLanguageAllowlist", "*"},
1338 };
1339 const FeatureEntry::FeatureVariation kJourneysVariations[] = {
1340     {"No 'Show More' - Show all visits", kJourneysShowAllVisitsParams,
1341      std::size(kJourneysShowAllVisitsParams), nullptr},
1342     {"All Supported Locales", kJourneysAllLocalesParams,
1343      std::size(kJourneysAllLocalesParams), nullptr},
1344 };
1345
1346 const FeatureEntry::FeatureVariation
1347     kImageServiceOptimizationGuideSalientImagesVariations[] = {
1348         {"High Performance Canonicalization", nullptr, 0, "3362133"},
1349 };
1350
1351 const FeatureEntry::FeatureParam kSidePanelJourneysOpensFromOmniboxParams[] = {
1352     {"SidePanelJourneysOpensFromOmnibox", "true"},
1353 };
1354 const FeatureEntry::FeatureVariation
1355     kSidePanelJourneysOpensFromOmniboxVariations[] = {
1356         {"Omnibox opens Side Panel Journeys",
1357          kSidePanelJourneysOpensFromOmniboxParams,
1358          std::size(kSidePanelJourneysOpensFromOmniboxParams), nullptr},
1359 };
1360
1361 const FeatureEntry::FeatureParam
1362     kJourneysLabelsWithSearchVisitEntitiesParams[] = {
1363         {"labels_from_search_visit_entities", "true"},
1364 };
1365 const FeatureEntry::FeatureParam kJourneysLabelsWithEntitiesParams[] = {
1366     {"labels_from_entities", "true"},
1367 };
1368 const FeatureEntry::FeatureParam
1369     kJourneysLabelsWithEntitiesNoHostnamesParams[] = {
1370         {"labels_from_hostnames", "false"},
1371         {"labels_from_entities", "true"},
1372 };
1373 const FeatureEntry::FeatureVariation kJourneysLabelsVariations[] = {
1374     {"With Entities", kJourneysLabelsWithEntitiesParams,
1375      std::size(kJourneysLabelsWithEntitiesParams), nullptr},
1376     {"With Entities, No Hostnames",
1377      kJourneysLabelsWithEntitiesNoHostnamesParams,
1378      std::size(kJourneysLabelsWithEntitiesNoHostnamesParams), nullptr},
1379     {"With Search Entities", kJourneysLabelsWithSearchVisitEntitiesParams,
1380      std::size(kJourneysLabelsWithSearchVisitEntitiesParams), nullptr},
1381 };
1382
1383 const FeatureEntry::FeatureParam
1384     kOmniboxCompanyEntityIconAdjustmentLeastAggressive[] = {
1385         {"OmniboxCompanyEntityAdjustmentGroup", "least-aggressive"}};
1386 const FeatureEntry::FeatureParam kOmniboxCompanyEntityIconAdjustmentModerate[] =
1387     {{"OmniboxCompanyEntityAdjustmentGroup", "moderate"}};
1388 const FeatureEntry::FeatureParam
1389     kOmniboxCompanyEntityIconAdjustmentMostAggressive[] = {
1390         {"OmniboxCompanyEntityAdjustmentGroup", "most-aggressive"}};
1391
1392 const FeatureEntry::FeatureVariation
1393     kOmniboxCompanyEntityIconAdjustmentVariations[] = {
1394         {"Least Aggressive", kOmniboxCompanyEntityIconAdjustmentLeastAggressive,
1395          std::size(kOmniboxCompanyEntityIconAdjustmentLeastAggressive),
1396          nullptr},
1397         {"Moderate", kOmniboxCompanyEntityIconAdjustmentModerate,
1398          std::size(kOmniboxCompanyEntityIconAdjustmentModerate), nullptr},
1399         {"Most Aggressive", kOmniboxCompanyEntityIconAdjustmentMostAggressive,
1400          std::size(kOmniboxCompanyEntityIconAdjustmentMostAggressive), nullptr},
1401 };
1402
1403 const FeatureEntry::FeatureParam kChromeRefresh2023Level1[] = {{"level", "1"}};
1404
1405 // "Enabled" is equivalent to "Enabled with Omnibox", therefore we don't need to
1406 // make a separate variation for it.
1407 const FeatureEntry::FeatureVariation kChromeRefresh2023Variations[] = {
1408     {"without Omnibox", kChromeRefresh2023Level1,
1409      std::size(kChromeRefresh2023Level1), nullptr}};
1410
1411 const FeatureEntry::FeatureParam kChromeRefresh2023NTBVariationGM2Full[] = {
1412     {features::kChromeRefresh2023NTBVariationKey, "GM2Full"}};
1413 const FeatureEntry::FeatureParam
1414     kChromeRefresh2023NTBVariationGM3OldIconNoBackground[] = {
1415         {features::kChromeRefresh2023NTBVariationKey,
1416          "GM3OldIconNoBackground"}};
1417 const FeatureEntry::FeatureParam
1418     kChromeRefresh2023NTBVariationGM3OldIconWithBackground[] = {
1419         {features::kChromeRefresh2023NTBVariationKey,
1420          "GM3OldIconWithBackground"}};
1421 const FeatureEntry::FeatureParam
1422     kChromeRefresh2023NTBVariationGM3NewIconNoBackground[] = {
1423         {features::kChromeRefresh2023NTBVariationKey,
1424          "GM3NewIconNoBackground"}};
1425 const FeatureEntry::FeatureParam
1426     kChromeRefresh2023NTBVariationGM3NewIconWithBackground[] = {
1427         {features::kChromeRefresh2023NTBVariationKey,
1428          "GM3NewIconWithBackground"}};
1429
1430 const FeatureEntry::FeatureVariation kChromeRefresh2023NTBVariations[] = {
1431     {"GM2 Implementation", kChromeRefresh2023NTBVariationGM2Full,
1432      std::size(kChromeRefresh2023NTBVariationGM2Full), nullptr},
1433     {"GM3 Old Icon No Background",
1434      kChromeRefresh2023NTBVariationGM3OldIconNoBackground,
1435      std::size(kChromeRefresh2023NTBVariationGM3OldIconNoBackground), nullptr},
1436     {"GM3 Old Icon With Background",
1437      kChromeRefresh2023NTBVariationGM3OldIconWithBackground,
1438      std::size(kChromeRefresh2023NTBVariationGM3OldIconWithBackground),
1439      nullptr},
1440     {"GM3 New Icon No Background",
1441      kChromeRefresh2023NTBVariationGM3NewIconNoBackground,
1442      std::size(kChromeRefresh2023NTBVariationGM3NewIconNoBackground), nullptr},
1443     {"GM3 New Icon With Background",
1444      kChromeRefresh2023NTBVariationGM3NewIconWithBackground,
1445      std::size(kChromeRefresh2023NTBVariationGM3NewIconWithBackground),
1446      nullptr}};
1447
1448 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) || \
1449     BUILDFLAG(IS_WIN) || BUILDFLAG(IS_FUCHSIA)
1450 const FeatureEntry::FeatureParam kShortcutBoostSearchAndUrl1414[] = {
1451     {"ShortcutBoostSearchScore", "1414"},
1452     {"ShortcutBoostUrlScore", "1414"}};
1453 const FeatureEntry::FeatureParam kShortcutBoostUrl1414[] = {
1454     {"ShortcutBoostSearchScore", "0"},
1455     {"ShortcutBoostUrlScore", "1414"}};
1456 const FeatureEntry::FeatureParam kShortcutBoostSearchAndUrl1200[] = {
1457     {"ShortcutBoostSearchScore", "1200"},
1458     {"ShortcutBoostUrlScore", "1200"}};
1459 const FeatureEntry::FeatureParam kShortcutBoostMultipleUrls2[] = {
1460     {"ShortcutBoostNonTopHitThreshold", "2"},
1461     {"ShortcutBoostGroupWithSearches", "true"},
1462     {"ShortcutBoostUrlScore", "1420"}};
1463
1464 const FeatureEntry::FeatureVariation kOmniboxShortcutBoostVariations[] = {
1465     {"Searches & URLs - aggressive (1414)", kShortcutBoostSearchAndUrl1414,
1466      std::size(kShortcutBoostSearchAndUrl1414), nullptr},
1467     {"URLs - aggressive (1414)", kShortcutBoostUrl1414,
1468      std::size(kShortcutBoostUrl1414), nullptr},
1469     {"Searches & URLs - conservative (1200)", kShortcutBoostSearchAndUrl1200,
1470      std::size(kShortcutBoostSearchAndUrl1200), nullptr},
1471     {"Multiple URLs - super aggressive (2)", kShortcutBoostMultipleUrls2,
1472      std::size(kShortcutBoostMultipleUrls2), nullptr},
1473 };
1474
1475 // A limited number of combinations of the rich autocompletion params.
1476 const FeatureEntry::FeatureParam
1477     kOmniboxRichAutocompletionConservativeModerate[] = {
1478         {"RichAutocompletionAutocompleteTitles", "true"},
1479         {"RichAutocompletionAutocompleteNonPrefixShortcutProvider", "true"},
1480         {"RichAutocompletionAutocompleteTitlesMinChar", "3"},
1481         {"RichAutocompletionAutocompleteNonPrefixMinChar", "5"}};
1482 const FeatureEntry::FeatureParam
1483     kOmniboxRichAutocompletionConservativeModerate2[] = {
1484         {"RichAutocompletionAutocompleteTitlesShortcutProvider", "true"},
1485         {"RichAutocompletionAutocompleteNonPrefixShortcutProvider", "true"},
1486         {"RichAutocompletionAutocompleteTitlesMinChar", "3"},
1487         {"RichAutocompletionAutocompleteNonPrefixMinChar", "5"}};
1488 const FeatureEntry::FeatureParam kOmniboxRichAutocompletionAggressive2[] = {
1489     {"RichAutocompletionAutocompleteTitlesShortcutProvider", "true"},
1490     {"RichAutocompletionAutocompleteTitlesMinChar", "2"},
1491     {"RichAutocompletionAutocompleteShortcutText", "true"},
1492     {"RichAutocompletionAutocompleteShortcutTextMinChar", "2"}};
1493 const FeatureEntry::FeatureParam kOmniboxRichAutocompletionAggressive3[] = {
1494     {"RichAutocompletionAutocompleteTitlesShortcutProvider", "true"},
1495     {"RichAutocompletionAutocompleteTitlesMinChar", "3"},
1496     {"RichAutocompletionAutocompleteShortcutText", "true"},
1497     {"RichAutocompletionAutocompleteShortcutTextMinChar", "3"}};
1498 const FeatureEntry::FeatureParam kOmniboxRichAutocompletionAggressive4[] = {
1499     {"RichAutocompletionAutocompleteTitlesShortcutProvider", "true"},
1500     {"RichAutocompletionAutocompleteTitlesMinChar", "4"},
1501     {"RichAutocompletionAutocompleteShortcutText", "true"},
1502     {"RichAutocompletionAutocompleteShortcutTextMinChar", "4"}};
1503
1504 const FeatureEntry::FeatureVariation
1505     kOmniboxRichAutocompletionPromisingVariations[] = {
1506         {"Conservative Moderate - Title, Shortcut Non-Prefix, min 3/5",
1507          kOmniboxRichAutocompletionConservativeModerate,
1508          std::size(kOmniboxRichAutocompletionConservativeModerate), nullptr},
1509         {"Conservative Moderate 2 - Shortcut Title, Shortcut Non-Prefix, min "
1510          "3/5",
1511          kOmniboxRichAutocompletionConservativeModerate2,
1512          std::size(kOmniboxRichAutocompletionConservativeModerate2), nullptr},
1513         {"Aggressive 2 - Title Shortcut Title 2, Shortcut Text 2",
1514          kOmniboxRichAutocompletionAggressive2,
1515          std::size(kOmniboxRichAutocompletionAggressive2), nullptr},
1516         {"Aggressive 3 - Title Shortcut Title 3, Shortcut Text 3",
1517          kOmniboxRichAutocompletionAggressive3,
1518          std::size(kOmniboxRichAutocompletionAggressive3), nullptr},
1519         {"Aggressive 4 - Title Shortcut Title 4, Shortcut Text 4",
1520          kOmniboxRichAutocompletionAggressive4,
1521          std::size(kOmniboxRichAutocompletionAggressive4), nullptr},
1522 };
1523
1524 const FeatureEntry::FeatureParam kOmniboxMlUrlScoringRerankFinalMatchesOnly[] =
1525     {
1526         {"MlUrlScoringRerankFinalMatchesOnly", "true"},
1527         {"enable_scoring_signals_annotators_for_ml_scoring", "true"},
1528 };
1529 const FeatureEntry::FeatureParam kOmniboxMlUrlScoringPreserveDefault[] = {
1530     {"MlUrlScoringRerankFinalMatchesOnly", "true"},
1531     {"MlUrlScoringPreserveDefault", "true"},
1532     {"enable_scoring_signals_annotators_for_ml_scoring", "true"},
1533 };
1534 const FeatureEntry::FeatureParam kOmniboxMlUrlScoringUnlimitedNumCandidates[] =
1535     {
1536         {"MlUrlScoringUnlimitedNumCandidates", "true"},
1537         {"enable_scoring_signals_annotators_for_ml_scoring", "true"},
1538 };
1539 // Sets Bookmark(1), History Quick(4), History URL(8), Shortcuts(64), and
1540 // History Fuzzy(65536) providers max matches to 10.
1541 const FeatureEntry::FeatureParam kOmniboxMlUrlScoringMaxMatchesByProvider10[] =
1542     {
1543         {"MlUrlScoringMaxMatchesByProvider", "1:10,4:10,8:10,64:10,65536:10"},
1544         {"enable_scoring_signals_annotators_for_ml_scoring", "true"},
1545 };
1546
1547 const FeatureEntry::FeatureVariation kOmniboxMlUrlScoringVariations[] = {
1548     {"final matches only", kOmniboxMlUrlScoringRerankFinalMatchesOnly,
1549      std::size(kOmniboxMlUrlScoringRerankFinalMatchesOnly), nullptr},
1550     {"final matches only, preserve legacy default match",
1551      kOmniboxMlUrlScoringPreserveDefault,
1552      std::size(kOmniboxMlUrlScoringPreserveDefault), nullptr},
1553     {"unlimited suggestion candidates",
1554      kOmniboxMlUrlScoringUnlimitedNumCandidates,
1555      std::size(kOmniboxMlUrlScoringUnlimitedNumCandidates), nullptr},
1556     {"Increase provider max limit to 10",
1557      kOmniboxMlUrlScoringMaxMatchesByProvider10,
1558      std::size(kOmniboxMlUrlScoringMaxMatchesByProvider10), nullptr},
1559 };
1560 const FeatureEntry::FeatureParam kRealboxTwoPreviousSearchRelatedSuggestions[] =
1561     {
1562         {"RealboxMaxPreviousSearchRelatedSuggestions", "2"},
1563 };
1564 const FeatureEntry::FeatureParam kRealboxSecondaryZeroSuggestCounterfactual[] =
1565     {
1566         {"RealboxSecondaryZeroSuggestCounterfactual", "true"},
1567 };
1568
1569 const FeatureEntry::FeatureVariation kRealboxSecondaryZeroSuggestVariations[] =
1570     {{"2 secondary suggestions (default is 3)",
1571       kRealboxTwoPreviousSearchRelatedSuggestions,
1572       std::size(kRealboxTwoPreviousSearchRelatedSuggestions), nullptr},
1573      {"counterfactual (don't show secondary suggestions)",
1574       kRealboxSecondaryZeroSuggestCounterfactual,
1575       std::size(kRealboxSecondaryZeroSuggestCounterfactual), nullptr}};
1576
1577 const FeatureEntry::FeatureParam kActionsUISimplificationTrimExtraFalse[]{
1578     {"ActionsUISimplificationTrimExtra", "false"},
1579 };
1580 const FeatureEntry::FeatureVariation
1581     kOmniboxActionsUISimplificationVariations[] = {
1582         {"with TrimExtra false", kActionsUISimplificationTrimExtraFalse,
1583          std::size(kActionsUISimplificationTrimExtraFalse), nullptr},
1584 };
1585
1586 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) ||
1587         // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_FUCHSIA)
1588
1589 #if BUILDFLAG(IS_ANDROID)
1590 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment1[] = {
1591     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "true"},
1592     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "true"},
1593     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, ""}};
1594 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment2[] = {
1595     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "false"},
1596     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "true"},
1597     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, ""}};
1598 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment3[] = {
1599     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "true"},
1600     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "false"},
1601     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, ""}};
1602 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment4[] = {
1603     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "true"},
1604     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "true"},
1605     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, "reviews"}};
1606 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment5[] = {
1607     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "true"},
1608     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "true"},
1609     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, "call"}};
1610 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment6[] = {
1611     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "true"},
1612     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "true"},
1613     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, "directions"}};
1614 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment7[] = {
1615     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "true"},
1616     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "false"},
1617     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, "call"}};
1618 constexpr FeatureEntry::FeatureParam kOmniboxActionsInSuggestTreatment8[] = {
1619     {OmniboxFieldTrial::kActionsInSuggestPromoteEntitySuggestion.name, "false"},
1620     {OmniboxFieldTrial::kActionsInSuggestPromoteReviewsAction.name, "false"},
1621     {OmniboxFieldTrial::kActionsInSuggestRemoveActionTypes.name, "call"}};
1622
1623 constexpr FeatureEntry::FeatureVariation kOmniboxActionsInSuggestVariants[] = {
1624     {"T1: Promote, Reviews, Directions, Calls",
1625      kOmniboxActionsInSuggestTreatment1,
1626      std::size(kOmniboxActionsInSuggestTreatment1), "t3366528"},
1627     {"T2: Reviews, Directions, Calls", kOmniboxActionsInSuggestTreatment2,
1628      std::size(kOmniboxActionsInSuggestTreatment2), "t3366528"},
1629     {"T3: Promote, Calls, Directions, Reviews",
1630      kOmniboxActionsInSuggestTreatment3,
1631      std::size(kOmniboxActionsInSuggestTreatment3), "t3366528"},
1632     {"T4: Promote, Directions, Calls", kOmniboxActionsInSuggestTreatment4,
1633      std::size(kOmniboxActionsInSuggestTreatment4), "t3366528"},
1634     {"T5: Promote, Reviews, Directions", kOmniboxActionsInSuggestTreatment5,
1635      std::size(kOmniboxActionsInSuggestTreatment5), "t3366528"},
1636     {"T6: Promote, Reviews, Calls", kOmniboxActionsInSuggestTreatment6,
1637      std::size(kOmniboxActionsInSuggestTreatment6), "t3366528"},
1638     {"T7: Promote, Directions, Reviews", kOmniboxActionsInSuggestTreatment7,
1639      std::size(kOmniboxActionsInSuggestTreatment7), "t3366528"},
1640     {"T8: Directions, Reviews", kOmniboxActionsInSuggestTreatment8,
1641      std::size(kOmniboxActionsInSuggestTreatment8), "t3366528"},
1642 };
1643
1644 constexpr FeatureEntry::FeatureParam kOmniboxQueryTilesShowAboveTrends[] = {
1645     {OmniboxFieldTrial::kQueryTilesShowAboveTrends.name, "true"}};
1646 constexpr FeatureEntry::FeatureParam kOmniboxQueryTilesShowBelowTrends[] = {
1647     {OmniboxFieldTrial::kQueryTilesShowAboveTrends.name, "false"}};
1648
1649 constexpr FeatureEntry::FeatureVariation kOmniboxQueryTilesVariations[] = {
1650     {"Above Trends", kOmniboxQueryTilesShowAboveTrends,
1651      std::size(kOmniboxQueryTilesShowAboveTrends), nullptr},
1652     {"Below Trends", kOmniboxQueryTilesShowBelowTrends,
1653      std::size(kOmniboxQueryTilesShowBelowTrends), nullptr},
1654 };
1655 #endif  // BUILDFLAG(IS_ANDROID)
1656
1657 const FeatureEntry::FeatureParam kOmniboxSquareSuggestionIconFavicons[] = {
1658     {"OmniboxSquareSuggestIconIcons", "true"}};
1659 const FeatureEntry::FeatureParam kOmniboxSquareSuggestionIconAnswers[] = {
1660     {"OmniboxSquareSuggestIconAnswers", "true"}};
1661 const FeatureEntry::FeatureParam
1662     kOmniboxSquareSuggestionIconFaviconsAndAnswers[] = {
1663         {"OmniboxSquareSuggestIconIcons", "true"},
1664         {"OmniboxSquareSuggestIconAnswers", "true"},
1665 };
1666 const FeatureEntry::FeatureParam kOmniboxSquareSuggestionIconEntities[] = {
1667     {"OmniboxSquareSuggestIconEntities", "true"}};
1668 const FeatureEntry::FeatureParam kOmniboxSquareSuggestionIconWeather[] = {
1669     {"OmniboxSquareSuggestIconWeather", "true"}};
1670 const FeatureEntry::FeatureParam kOmniboxSquareSuggestionIconAll[] = {
1671     {"OmniboxSquareSuggestIconIcons", "true"},
1672     {"OmniboxSquareSuggestIconAnswers", "true"},
1673     {"OmniboxSquareSuggestIconEntities", "true"},
1674     {"OmniboxSquareSuggestIconWeather", "true"},
1675 };
1676 const FeatureEntry::FeatureParam kOmniboxSquareSuggestionIconAllFullEntity[] = {
1677     {"OmniboxSquareSuggestIconIcons", "true"},
1678     {"OmniboxSquareSuggestIconAnswers", "true"},
1679     {"OmniboxSquareSuggestIconEntities", "true"},
1680     {"OmniboxSquareSuggestIconEntitiesScale", "1"},
1681     {"OmniboxSquareSuggestIconWeather", "true"},
1682 };
1683
1684 const FeatureEntry::FeatureVariation kOmniboxSquareSuggestionIconVariations[] =
1685     {
1686         {"Favicons", kOmniboxSquareSuggestionIconFavicons,
1687          std::size(kOmniboxSquareSuggestionIconFavicons), nullptr},
1688         {"Answers", kOmniboxSquareSuggestionIconAnswers,
1689          std::size(kOmniboxSquareSuggestionIconAnswers), nullptr},
1690         {"Favicons and answers", kOmniboxSquareSuggestionIconFaviconsAndAnswers,
1691          std::size(kOmniboxSquareSuggestionIconFaviconsAndAnswers), nullptr},
1692         {"Entities", kOmniboxSquareSuggestionIconEntities,
1693          std::size(kOmniboxSquareSuggestionIconEntities), nullptr},
1694         {"Weather", kOmniboxSquareSuggestionIconWeather,
1695          std::size(kOmniboxSquareSuggestionIconWeather), nullptr},
1696         {"All", kOmniboxSquareSuggestionIconAll,
1697          std::size(kOmniboxSquareSuggestionIconAll), nullptr},
1698         {"All with full entities", kOmniboxSquareSuggestionIconAllFullEntity,
1699          std::size(kOmniboxSquareSuggestionIconAllFullEntity), nullptr},
1700 };
1701
1702 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches5[] = {
1703     {"MaxZeroSuggestMatches", "5"}};
1704 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches6[] = {
1705     {"MaxZeroSuggestMatches", "6"}};
1706 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches7[] = {
1707     {"MaxZeroSuggestMatches", "7"}};
1708 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches8[] = {
1709     {"MaxZeroSuggestMatches", "8"}};
1710 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches9[] = {
1711     {"MaxZeroSuggestMatches", "9"}};
1712 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches10[] = {
1713     {"MaxZeroSuggestMatches", "10"}};
1714 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches11[] = {
1715     {"MaxZeroSuggestMatches", "11"}};
1716 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches12[] = {
1717     {"MaxZeroSuggestMatches", "12"}};
1718 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches13[] = {
1719     {"MaxZeroSuggestMatches", "13"}};
1720 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches14[] = {
1721     {"MaxZeroSuggestMatches", "14"}};
1722 const FeatureEntry::FeatureParam kMaxZeroSuggestMatches15[] = {
1723     {"MaxZeroSuggestMatches", "15"}};
1724
1725 const FeatureEntry::FeatureVariation kMaxZeroSuggestMatchesVariations[] = {
1726     {"5", kMaxZeroSuggestMatches5, std::size(kMaxZeroSuggestMatches5), nullptr},
1727     {"6", kMaxZeroSuggestMatches6, std::size(kMaxZeroSuggestMatches6), nullptr},
1728     {"7", kMaxZeroSuggestMatches7, std::size(kMaxZeroSuggestMatches7), nullptr},
1729     {"8", kMaxZeroSuggestMatches8, std::size(kMaxZeroSuggestMatches8), nullptr},
1730     {"9", kMaxZeroSuggestMatches9, std::size(kMaxZeroSuggestMatches9), nullptr},
1731     {"10", kMaxZeroSuggestMatches10, std::size(kMaxZeroSuggestMatches10),
1732      nullptr},
1733     {"11", kMaxZeroSuggestMatches11, std::size(kMaxZeroSuggestMatches11),
1734      nullptr},
1735     {"12", kMaxZeroSuggestMatches12, std::size(kMaxZeroSuggestMatches12),
1736      nullptr},
1737     {"13", kMaxZeroSuggestMatches13, std::size(kMaxZeroSuggestMatches13),
1738      nullptr},
1739     {"14", kMaxZeroSuggestMatches14, std::size(kMaxZeroSuggestMatches14),
1740      nullptr},
1741     {"15", kMaxZeroSuggestMatches15, std::size(kMaxZeroSuggestMatches15),
1742      nullptr}};
1743
1744 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches3[] = {
1745     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "3"}};
1746 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches4[] = {
1747     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "4"}};
1748 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches5[] = {
1749     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "5"}};
1750 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches6[] = {
1751     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "6"}};
1752 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches7[] = {
1753     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "7"}};
1754 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches8[] = {
1755     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "8"}};
1756 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches9[] = {
1757     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "9"}};
1758 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches10[] = {
1759     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "10"}};
1760 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches12[] = {
1761     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "12"}};
1762
1763 const FeatureEntry::FeatureVariation
1764     kOmniboxUIMaxAutocompleteMatchesVariations[] = {
1765         {"3 matches", kOmniboxUIMaxAutocompleteMatches3,
1766          std::size(kOmniboxUIMaxAutocompleteMatches3), nullptr},
1767         {"4 matches", kOmniboxUIMaxAutocompleteMatches4,
1768          std::size(kOmniboxUIMaxAutocompleteMatches4), nullptr},
1769         {"5 matches", kOmniboxUIMaxAutocompleteMatches5,
1770          std::size(kOmniboxUIMaxAutocompleteMatches5), nullptr},
1771         {"6 matches", kOmniboxUIMaxAutocompleteMatches6,
1772          std::size(kOmniboxUIMaxAutocompleteMatches6), nullptr},
1773         {"7 matches", kOmniboxUIMaxAutocompleteMatches7,
1774          std::size(kOmniboxUIMaxAutocompleteMatches7), nullptr},
1775         {"8 matches", kOmniboxUIMaxAutocompleteMatches8,
1776          std::size(kOmniboxUIMaxAutocompleteMatches8), nullptr},
1777         {"9 matches", kOmniboxUIMaxAutocompleteMatches9,
1778          std::size(kOmniboxUIMaxAutocompleteMatches9), nullptr},
1779         {"10 matches", kOmniboxUIMaxAutocompleteMatches10,
1780          std::size(kOmniboxUIMaxAutocompleteMatches10), nullptr},
1781         {"12 matches", kOmniboxUIMaxAutocompleteMatches12,
1782          std::size(kOmniboxUIMaxAutocompleteMatches12), nullptr}};
1783
1784 const FeatureEntry::FeatureParam kOmniboxMaxURLMatches2[] = {
1785     {OmniboxFieldTrial::kOmniboxMaxURLMatchesParam, "2"}};
1786 const FeatureEntry::FeatureParam kOmniboxMaxURLMatches3[] = {
1787     {OmniboxFieldTrial::kOmniboxMaxURLMatchesParam, "3"}};
1788 const FeatureEntry::FeatureParam kOmniboxMaxURLMatches4[] = {
1789     {OmniboxFieldTrial::kOmniboxMaxURLMatchesParam, "4"}};
1790 const FeatureEntry::FeatureParam kOmniboxMaxURLMatches5[] = {
1791     {OmniboxFieldTrial::kOmniboxMaxURLMatchesParam, "5"}};
1792 const FeatureEntry::FeatureParam kOmniboxMaxURLMatches6[] = {
1793     {OmniboxFieldTrial::kOmniboxMaxURLMatchesParam, "6"}};
1794
1795 const FeatureEntry::FeatureVariation kOmniboxMaxURLMatchesVariations[] = {
1796     {"2 matches", kOmniboxMaxURLMatches2, std::size(kOmniboxMaxURLMatches2),
1797      nullptr},
1798     {"3 matches", kOmniboxMaxURLMatches3, std::size(kOmniboxMaxURLMatches3),
1799      nullptr},
1800     {"4 matches", kOmniboxMaxURLMatches4, std::size(kOmniboxMaxURLMatches4),
1801      nullptr},
1802     {"5 matches", kOmniboxMaxURLMatches5, std::size(kOmniboxMaxURLMatches5),
1803      nullptr},
1804     {"6 matches", kOmniboxMaxURLMatches6, std::size(kOmniboxMaxURLMatches6),
1805      nullptr}};
1806
1807 const FeatureEntry::FeatureParam kOmniboxDynamicMaxAutocomplete90[] = {
1808     {"OmniboxDynamicMaxAutocompleteUrlCutoff", "0"},
1809     {"OmniboxDynamicMaxAutocompleteIncreasedLimit", "9"}};
1810 const FeatureEntry::FeatureParam kOmniboxDynamicMaxAutocomplete91[] = {
1811     {"OmniboxDynamicMaxAutocompleteUrlCutoff", "1"},
1812     {"OmniboxDynamicMaxAutocompleteIncreasedLimit", "9"}};
1813 const FeatureEntry::FeatureParam kOmniboxDynamicMaxAutocomplete92[] = {
1814     {"OmniboxDynamicMaxAutocompleteUrlCutoff", "2"},
1815     {"OmniboxDynamicMaxAutocompleteIncreasedLimit", "9"}};
1816 const FeatureEntry::FeatureParam kOmniboxDynamicMaxAutocomplete100[] = {
1817     {"OmniboxDynamicMaxAutocompleteUrlCutoff", "0"},
1818     {"OmniboxDynamicMaxAutocompleteIncreasedLimit", "10"}};
1819 const FeatureEntry::FeatureParam kOmniboxDynamicMaxAutocomplete101[] = {
1820     {"OmniboxDynamicMaxAutocompleteUrlCutoff", "1"},
1821     {"OmniboxDynamicMaxAutocompleteIncreasedLimit", "10"}};
1822 const FeatureEntry::FeatureParam kOmniboxDynamicMaxAutocomplete102[] = {
1823     {"OmniboxDynamicMaxAutocompleteUrlCutoff", "2"},
1824     {"OmniboxDynamicMaxAutocompleteIncreasedLimit", "10"}};
1825
1826 const FeatureEntry::FeatureVariation
1827     kOmniboxDynamicMaxAutocompleteVariations[] = {
1828         {"9 suggestions if 0 or fewer URLs", kOmniboxDynamicMaxAutocomplete90,
1829          std::size(kOmniboxDynamicMaxAutocomplete90), nullptr},
1830         {"9 suggestions if 1 or fewer URLs", kOmniboxDynamicMaxAutocomplete91,
1831          std::size(kOmniboxDynamicMaxAutocomplete91), nullptr},
1832         {"9 suggestions if 2 or fewer URLs", kOmniboxDynamicMaxAutocomplete92,
1833          std::size(kOmniboxDynamicMaxAutocomplete92), nullptr},
1834         {"10 suggestions if 0 or fewer URLs", kOmniboxDynamicMaxAutocomplete100,
1835          std::size(kOmniboxDynamicMaxAutocomplete100), nullptr},
1836         {"10 suggestions if 1 or fewer URLs", kOmniboxDynamicMaxAutocomplete101,
1837          std::size(kOmniboxDynamicMaxAutocomplete101), nullptr},
1838         {"10 suggestions if 2 or fewer URLs", kOmniboxDynamicMaxAutocomplete102,
1839          std::size(kOmniboxDynamicMaxAutocomplete102), nullptr}};
1840
1841 const FeatureEntry::FeatureParam kOmniboxUniformRowHeight36[] = {
1842     {"OmniboxRichSuggestionVerticalMargin", "4"}};
1843 const FeatureEntry::FeatureParam kOmniboxUniformRowHeight40[] = {
1844     {"OmniboxRichSuggestionVerticalMargin", "6"}};
1845
1846 const FeatureEntry::FeatureVariation kOmniboxSuggestionHeightVariations[] = {
1847     {"36px omnibox suggestions", kOmniboxUniformRowHeight36,
1848      std::size(kOmniboxUniformRowHeight36), nullptr},
1849     {"40px omnibox suggestions", kOmniboxUniformRowHeight40,
1850      std::size(kOmniboxUniformRowHeight40), nullptr},
1851 };
1852
1853 const FeatureEntry::FeatureParam kOmniboxFontSize12[] = {
1854     {"OmniboxFontSizeNonTouchUI", "12"}};
1855 const FeatureEntry::FeatureParam kOmniboxFontSize13[] = {
1856     {"OmniboxFontSizeNonTouchUI", "13"}};
1857 const FeatureEntry::FeatureParam kOmniboxFontSize14[] = {
1858     {"OmniboxFontSizeNonTouchUI", "14"}};
1859
1860 const FeatureEntry::FeatureVariation kOmniboxFontSizeVariations[] = {
1861     {"12pt omnibox font", kOmniboxFontSize12, std::size(kOmniboxFontSize12),
1862      nullptr},
1863     {"13pt omnibox font", kOmniboxFontSize13, std::size(kOmniboxFontSize13),
1864      nullptr},
1865     {"14pt omnibox font", kOmniboxFontSize14, std::size(kOmniboxFontSize14),
1866      nullptr},
1867 };
1868
1869 const FeatureEntry::FeatureParam kRepeatableQueries_6Searches_90Days[] = {
1870     {"RepeatableQueriesIgnoreDuplicateVisits", "true"},
1871     {"RepeatableQueriesMinVisitCount", "6"},
1872 };
1873 const FeatureEntry::FeatureParam kRepeatableQueries_12Searches_90Days[] = {
1874     {"RepeatableQueriesIgnoreDuplicateVisits", "true"},
1875     {"RepeatableQueriesMinVisitCount", "12"},
1876 };
1877 const FeatureEntry::FeatureParam kRepeatableQueries_6Searches_7Days[] = {
1878     {"RepeatableQueriesIgnoreDuplicateVisits", "true"},
1879     {"RepeatableQueriesMinVisitCount", "6"},
1880     {"RepeatableQueriesMaxAgeDays", "7"},
1881 };
1882 const FeatureEntry::FeatureParam kRepeatableQueries_12Searches_7Days[] = {
1883     {"RepeatableQueriesIgnoreDuplicateVisits", "true"},
1884     {"RepeatableQueriesMinVisitCount", "12"},
1885     {"RepeatableQueriesMaxAgeDays", "7"},
1886 };
1887
1888 const FeatureEntry::FeatureVariation kOrganicRepeatableQueriesVariations[] = {
1889     {"6+ uses, once in last 90d", kRepeatableQueries_6Searches_90Days,
1890      std::size(kRepeatableQueries_6Searches_90Days), nullptr},
1891     {"12+ uses, once in last 90d", kRepeatableQueries_12Searches_90Days,
1892      std::size(kRepeatableQueries_12Searches_90Days), nullptr},
1893     {"6+ uses, once in last 7d", kRepeatableQueries_6Searches_7Days,
1894      std::size(kRepeatableQueries_6Searches_7Days), nullptr},
1895     {"12+ uses, once in last 7d", kRepeatableQueries_12Searches_7Days,
1896      std::size(kRepeatableQueries_12Searches_7Days), nullptr},
1897 };
1898
1899 const FeatureEntry::FeatureParam kMinimumTabWidthSettingPinned[] = {
1900     {features::kMinimumTabWidthFeatureParameterName, "54"}};
1901 const FeatureEntry::FeatureParam kMinimumTabWidthSettingMedium[] = {
1902     {features::kMinimumTabWidthFeatureParameterName, "72"}};
1903 const FeatureEntry::FeatureParam kMinimumTabWidthSettingLarge[] = {
1904     {features::kMinimumTabWidthFeatureParameterName, "140"}};
1905 const FeatureEntry::FeatureParam kMinimumTabWidthSettingFull[] = {
1906     {features::kMinimumTabWidthFeatureParameterName, "256"}};
1907
1908 const FeatureEntry::FeatureVariation kTabScrollingVariations[] = {
1909     {" - tabs shrink to pinned tab width", kMinimumTabWidthSettingPinned,
1910      std::size(kMinimumTabWidthSettingPinned), nullptr},
1911     {" - tabs shrink to a medium width", kMinimumTabWidthSettingMedium,
1912      std::size(kMinimumTabWidthSettingMedium), nullptr},
1913     {" - tabs shrink to a large width", kMinimumTabWidthSettingLarge,
1914      std::size(kMinimumTabWidthSettingLarge), nullptr},
1915     {" - tabs don't shrink", kMinimumTabWidthSettingFull,
1916      std::size(kMinimumTabWidthSettingFull), nullptr}};
1917
1918 const FeatureEntry::FeatureParam kTabScrollingButtonPositionRight[] = {
1919     {features::kTabScrollingButtonPositionParameterName, "0"}};
1920 const FeatureEntry::FeatureParam kTabScrollingButtonPositionLeft[] = {
1921     {features::kTabScrollingButtonPositionParameterName, "1"}};
1922 const FeatureEntry::FeatureParam kTabScrollingButtonPositionSplit[] = {
1923     {features::kTabScrollingButtonPositionParameterName, "2"}};
1924
1925 const FeatureEntry::FeatureVariation kTabScrollingButtonPositionVariations[] = {
1926     {" - to the right of the tabstrip", kTabScrollingButtonPositionRight,
1927      std::size(kTabScrollingButtonPositionRight), nullptr},
1928     {" - to the left of the tabstrip", kTabScrollingButtonPositionLeft,
1929      std::size(kTabScrollingButtonPositionLeft), nullptr},
1930     {" - on both sides of the tabstrip", kTabScrollingButtonPositionSplit,
1931      std::size(kTabScrollingButtonPositionSplit), nullptr}};
1932
1933 const FeatureEntry::FeatureParam kTabScrollingWithDraggingWithConstantSpeed[] =
1934     {{features::kTabScrollingWithDraggingModeName, "1"}};
1935 const FeatureEntry::FeatureParam kTabScrollingWithDraggingWithVariableSpeed[] =
1936     {{features::kTabScrollingWithDraggingModeName, "2"}};
1937
1938 const FeatureEntry::FeatureVariation kTabScrollingWithDraggingVariations[] = {
1939     {" - tabs scrolling with constant speed",
1940      kTabScrollingWithDraggingWithConstantSpeed,
1941      std::size(kTabScrollingWithDraggingWithConstantSpeed), nullptr},
1942     {" - tabs scrolling with variable speed region",
1943      kTabScrollingWithDraggingWithVariableSpeed,
1944      std::size(kTabScrollingWithDraggingWithVariableSpeed), nullptr}};
1945
1946 const FeatureEntry::FeatureParam kScrollableTabStripOverflowDivider[] = {
1947     {features::kScrollableTabStripOverflowModeName, "1"}};
1948 const FeatureEntry::FeatureParam kScrollableTabStripOverflowFade[] = {
1949     {features::kScrollableTabStripOverflowModeName, "2"}};
1950 const FeatureEntry::FeatureParam kScrollableTabStripOverflowShadow[] = {
1951     {features::kScrollableTabStripOverflowModeName, "3"}};
1952
1953 const FeatureEntry::FeatureVariation kScrollableTabStripOverflowVariations[] = {
1954     {" - Divider", kScrollableTabStripOverflowDivider,
1955      std::size(kScrollableTabStripOverflowDivider), nullptr},  // Divider
1956     {" - Fade", kScrollableTabStripOverflowFade,
1957      std::size(kScrollableTabStripOverflowFade), nullptr},  // Fade
1958     {" - Shadow", kScrollableTabStripOverflowShadow,
1959      std::size(kScrollableTabStripOverflowShadow), nullptr},  // Shadow
1960 };
1961
1962 const FeatureEntry::FeatureParam kTabSearchSearchThresholdSmall[] = {
1963     {features::kTabSearchSearchThresholdName, "0.3"}};
1964 const FeatureEntry::FeatureParam kTabSearchSearchThresholdMedium[] = {
1965     {features::kTabSearchSearchThresholdName, "0.6"}};
1966 const FeatureEntry::FeatureParam kTabSearchSearchThresholdLarge[] = {
1967     {features::kTabSearchSearchThresholdName, "0.8"}};
1968
1969 const FeatureEntry::FeatureVariation kTabSearchSearchThresholdVariations[] = {
1970     {" - fuzzy level: small", kTabSearchSearchThresholdSmall,
1971      std::size(kTabSearchSearchThresholdSmall), nullptr},
1972     {" - fuzzy level: medium", kTabSearchSearchThresholdMedium,
1973      std::size(kTabSearchSearchThresholdMedium), nullptr},
1974     {" - fuzzy level: large", kTabSearchSearchThresholdLarge,
1975      std::size(kTabSearchSearchThresholdLarge), nullptr}};
1976
1977 const FeatureEntry::FeatureParam kChromeLabsEnabledInFlags[] = {
1978     {features::kChromeLabsActivationParameterName, "100"}};
1979
1980 const FeatureEntry::FeatureVariation kChromeLabsVariations[] = {
1981     {" use this one!", kChromeLabsEnabledInFlags,
1982      std::size(kChromeLabsEnabledInFlags), nullptr}};
1983
1984 #if !BUILDFLAG(IS_ANDROID)
1985 const flags_ui::FeatureEntry::FeatureParam kDelayPriceTrackingChip[] = {
1986     {commerce::kCommercePriceTrackingChipExperimentVariationParam, "1"}};
1987
1988 const flags_ui::FeatureEntry::FeatureParam kIphForPriceTrackingChip[] = {
1989     {commerce::kCommercePriceTrackingChipExperimentVariationParam, "2"}};
1990
1991 const FeatureEntry::FeatureVariation kPriceTrackingChipExperimentVariations[] =
1992     {
1993         {"- Delay Chip", kDelayPriceTrackingChip,
1994          std::size(kDelayPriceTrackingChip), nullptr},
1995         {"- Chip IPH", kIphForPriceTrackingChip,
1996          std::size(kIphForPriceTrackingChip), nullptr},
1997 };
1998
1999 const FeatureEntry::FeatureParam kNtpChromeCartModuleFakeData[] = {
2000     {ntp_features::kNtpChromeCartModuleDataParam, "fake"},
2001     {ntp_features::kNtpChromeCartModuleAbandonedCartDiscountParam, "true"}};
2002 const FeatureEntry::FeatureParam kNtpChromeCartModuleAbandonedCartDiscount[] = {
2003     {ntp_features::kNtpChromeCartModuleAbandonedCartDiscountParam, "true"},
2004     {ntp_features::kNtpChromeCartModuleAbandonedCartDiscountUseUtmParam,
2005      "true"},
2006     {"partner-merchant-pattern",
2007      "(electronicexpress.com|zazzle.com|wish.com|homesquare.com|iherb.com|"
2008      "zappos.com|otterbox.com)"}};
2009 const FeatureEntry::FeatureParam kNtpChromeCartModuleHeuristicsImprovement[] = {
2010     {ntp_features::kNtpChromeCartModuleHeuristicsImprovementParam, "true"}};
2011 const FeatureEntry::FeatureParam kNtpChromeCartModuleRBDAndCouponDiscount[] = {
2012     {ntp_features::kNtpChromeCartModuleHeuristicsImprovementParam, "true"},
2013     {ntp_features::kNtpChromeCartModuleAbandonedCartDiscountParam, "true"},
2014     {ntp_features::kNtpChromeCartModuleAbandonedCartDiscountUseUtmParam,
2015      "true"},
2016     {"partner-merchant-pattern",
2017      "(electronicexpress.com|zazzle.com|wish.com|homesquare.com)"},
2018     {ntp_features::kNtpChromeCartModuleCouponParam, "true"}};
2019 const FeatureEntry::FeatureVariation kNtpChromeCartModuleVariations[] = {
2020     {"- Fake Data And Discount", kNtpChromeCartModuleFakeData,
2021      std::size(kNtpChromeCartModuleFakeData), nullptr},
2022     {"- Abandoned Cart Discount", kNtpChromeCartModuleAbandonedCartDiscount,
2023      std::size(kNtpChromeCartModuleAbandonedCartDiscount), nullptr},
2024     {"- Heuristics Improvement", kNtpChromeCartModuleHeuristicsImprovement,
2025      std::size(kNtpChromeCartModuleHeuristicsImprovement), nullptr},
2026     {"- RBD and Coupons", kNtpChromeCartModuleRBDAndCouponDiscount,
2027      std::size(kNtpChromeCartModuleRBDAndCouponDiscount), nullptr},
2028 };
2029
2030 // The following are consent v2 variations in the Chrome Cart module.
2031 const flags_ui::FeatureEntry::FeatureParam kDiscountConsentNtpDialog[] = {
2032     {commerce::kNtpChromeCartModuleDiscountConsentNtpVariationParam, "3"}};
2033 const flags_ui::FeatureEntry::FeatureParam kDiscountConsentNtpNativeDialog[] = {
2034     {commerce::kNtpChromeCartModuleDiscountConsentNtpVariationParam, "4"}};
2035
2036 const FeatureEntry::FeatureVariation kDiscountConsentV2Variations[] = {
2037     {"WebUi Dialog Consent", kDiscountConsentNtpDialog,
2038      std::size(kDiscountConsentNtpDialog), nullptr},
2039     {"Native Dialog Consent", kDiscountConsentNtpNativeDialog,
2040      std::size(kDiscountConsentNtpNativeDialog), nullptr},
2041 };
2042
2043 // The following is Code-based RBD variation.
2044 const flags_ui::FeatureEntry::FeatureParam kCodeBasedRBDEnabled[] = {
2045     {commerce::kCodeBasedRuleDiscountParam, "true"}};
2046
2047 const FeatureEntry::FeatureVariation kCodeBasedRBDVariations[] = {
2048     {"code-based RBD", kCodeBasedRBDEnabled, std::size(kCodeBasedRBDEnabled),
2049      "t3362898"},
2050 };
2051
2052 // The following is Merchant wide promotion variation.
2053 const flags_ui::FeatureEntry::FeatureParam kMerchantWideFetchEnabled[] = {
2054     {commerce::kReadyToFetchMerchantWidePromotionParam, "true"}};
2055
2056 const FeatureEntry::FeatureVariation kMerchantWidePromotionVariations[] = {
2057     {"- Enable fetch", kMerchantWideFetchEnabled,
2058      std::size(kMerchantWideFetchEnabled), nullptr},
2059 };
2060
2061 const FeatureEntry::FeatureParam kNtpDriveModuleFakeData[] = {
2062     {ntp_features::kNtpDriveModuleDataParam, "fake"}};
2063 const FeatureEntry::FeatureParam kNtpDriveModuleManagedUsersOnly[] = {
2064     {ntp_features::kNtpDriveModuleManagedUsersOnlyParam, "true"}};
2065 const FeatureEntry::FeatureVariation kNtpDriveModuleVariations[] = {
2066     {"- Fake Data", kNtpDriveModuleFakeData, std::size(kNtpDriveModuleFakeData),
2067      nullptr},
2068     {"- Managed Users Only", kNtpDriveModuleManagedUsersOnly,
2069      std::size(kNtpDriveModuleManagedUsersOnly), nullptr},
2070 };
2071
2072 // History clusters fake data params are expressed as a comma separated tuple
2073 // consisting of a number desired clusters, a number of desired visits, and the
2074 // number of such visits to be marked as having url keyed images. The number of
2075 // visits must be greater than or equal to the number of visits marked as having
2076 // images.
2077 const FeatureEntry::FeatureParam
2078     kNtpHistoryClustersModuleFakeData2Visits2Images[] = {
2079         {ntp_features::kNtpHistoryClustersModuleDataParam, "1,2,2"}};
2080 const FeatureEntry::FeatureParam
2081     kNtpHistoryClustersModuleFakeData3Visits1Image[] = {
2082         {ntp_features::kNtpHistoryClustersModuleDataParam, "1,3,1"}};
2083 const FeatureEntry::FeatureParam
2084     kNtpHistoryClustersModuleFakeData4Visits2Images[] = {
2085         {ntp_features::kNtpHistoryClustersModuleDataParam, "1,4,2"}};
2086 const FeatureEntry::FeatureParam kNtpHistoryClustersModuleV2OneJourney[] = {
2087     {ntp_features::kNtpHistoryClustersModuleDataParam, "1,2,2"}};
2088 const FeatureEntry::FeatureParam kNtpHistoryClustersModuleV2TwoJourneys[] = {
2089     {ntp_features::kNtpHistoryClustersModuleDataParam, "2,2,2"}};
2090 const FeatureEntry::FeatureParam kNtpHistoryClustersModuleV2ThreeJourneys[] = {
2091     {ntp_features::kNtpHistoryClustersModuleDataParam, "3,2,2"}};
2092 const FeatureEntry::FeatureParam
2093     kNtpHistoryClustersModuleV2ThreeJourneysTextOnly[] = {
2094         {ntp_features::kNtpHistoryClustersModuleDataParam, "3,2,0"}};
2095 const FeatureEntry::FeatureVariation kNtpHistoryClustersModuleVariations[] = {
2096     {"- Fake Data - Layout 1", kNtpHistoryClustersModuleFakeData2Visits2Images,
2097      std::size(kNtpHistoryClustersModuleFakeData2Visits2Images), nullptr},
2098     {"- Fake Data - Layout 2", kNtpHistoryClustersModuleFakeData3Visits1Image,
2099      std::size(kNtpHistoryClustersModuleFakeData3Visits1Image), nullptr},
2100     {"- Fake Data - Layout 3", kNtpHistoryClustersModuleFakeData4Visits2Images,
2101      std::size(kNtpHistoryClustersModuleFakeData4Visits2Images), nullptr},
2102     {"- v2 Fake Data - 1 Journey", kNtpHistoryClustersModuleV2OneJourney,
2103      std::size(kNtpHistoryClustersModuleV2OneJourney), nullptr},
2104     {"- v2 Fake Data - 2 Journeys", kNtpHistoryClustersModuleV2TwoJourneys,
2105      std::size(kNtpHistoryClustersModuleV2TwoJourneys), nullptr},
2106     {"- v2 Fake Data - 3 Journeys", kNtpHistoryClustersModuleV2ThreeJourneys,
2107      std::size(kNtpHistoryClustersModuleV2ThreeJourneys), nullptr},
2108     {"- v2 Fake Data - 3 Journeys - Text Only",
2109      kNtpHistoryClustersModuleV2ThreeJourneysTextOnly,
2110      std::size(kNtpHistoryClustersModuleV2ThreeJourneysTextOnly), nullptr},
2111 };
2112
2113 const FeatureEntry::FeatureParam
2114     kNtpChromeCartInHistoryClustersModuleFakeData0[] = {
2115         {ntp_features::kNtpChromeCartInHistoryClustersModuleDataParam, "0"}};
2116 const FeatureEntry::FeatureParam
2117     kNtpChromeCartInHistoryClustersModuleFakeData1[] = {
2118         {ntp_features::kNtpChromeCartInHistoryClustersModuleDataParam, "1"}};
2119 const FeatureEntry::FeatureParam
2120     kNtpChromeCartInHistoryClustersModuleFakeData2[] = {
2121         {ntp_features::kNtpChromeCartInHistoryClustersModuleDataParam, "3"}};
2122 const FeatureEntry::FeatureParam
2123     kNtpChromeCartInHistoryClustersModuleFakeData3[] = {
2124         {ntp_features::kNtpChromeCartInHistoryClustersModuleDataParam, "6"}};
2125
2126 const FeatureEntry::FeatureVariation
2127     kNtpChromeCartInHistoryClustersModuleVariations[] = {
2128         {" - Fake cart: 0 product image",
2129          kNtpChromeCartInHistoryClustersModuleFakeData0,
2130          std::size(kNtpChromeCartInHistoryClustersModuleFakeData0), nullptr},
2131         {" - Fake cart: 1 product image",
2132          kNtpChromeCartInHistoryClustersModuleFakeData1,
2133          std::size(kNtpChromeCartInHistoryClustersModuleFakeData1), nullptr},
2134         {" - Fake cart: 3 product images",
2135          kNtpChromeCartInHistoryClustersModuleFakeData2,
2136          std::size(kNtpChromeCartInHistoryClustersModuleFakeData2), nullptr},
2137         {" - Fake cart: 6 product images",
2138          kNtpChromeCartInHistoryClustersModuleFakeData3,
2139          std::size(kNtpChromeCartInHistoryClustersModuleFakeData3), nullptr}};
2140
2141 const FeatureEntry::FeatureParam kNtpMiddleSlotPromoDismissalFakeData[] = {
2142     {ntp_features::kNtpMiddleSlotPromoDismissalParam, "fake"}};
2143 const FeatureEntry::FeatureVariation kNtpMiddleSlotPromoDismissalVariations[] =
2144     {
2145         {"- Fake Data", kNtpMiddleSlotPromoDismissalFakeData,
2146          std::size(kNtpMiddleSlotPromoDismissalFakeData), nullptr},
2147 };
2148
2149 const FeatureEntry::FeatureParam kNtpPhotosModuleFakeData0[] = {
2150     {ntp_features::kNtpPhotosModuleDataParam, "0"}};
2151 const FeatureEntry::FeatureParam kNtpPhotosModuleFakeData1[] = {
2152     {ntp_features::kNtpPhotosModuleDataParam, "1"}};
2153 const FeatureEntry::FeatureParam kNtpPhotosModuleFakeData2[] = {
2154     {ntp_features::kNtpPhotosModuleDataParam, "2"}};
2155 const FeatureEntry::FeatureParam kNtpPhotosModuleFakeData3[] = {
2156     {ntp_features::kNtpPhotosModuleDataParam, "3"}};
2157 const FeatureEntry::FeatureParam kNtpPhotosModuleFakeData4[] = {
2158     {ntp_features::kNtpPhotosModuleDataParam, "4"}};
2159
2160 const FeatureEntry::FeatureVariation kNtpPhotosModuleVariations[] = {
2161     {" - Fake memories: 0", kNtpPhotosModuleFakeData0,
2162      std::size(kNtpPhotosModuleFakeData0), nullptr},
2163     {" - Fake memories: 1", kNtpPhotosModuleFakeData1,
2164      std::size(kNtpPhotosModuleFakeData1), nullptr},
2165     {" - Fake memories: 2", kNtpPhotosModuleFakeData2,
2166      std::size(kNtpPhotosModuleFakeData2), nullptr},
2167     {" - Fake memories: 3", kNtpPhotosModuleFakeData3,
2168      std::size(kNtpPhotosModuleFakeData3), nullptr},
2169     {" - Fake memories: 4", kNtpPhotosModuleFakeData4,
2170      std::size(kNtpPhotosModuleFakeData4), nullptr}};
2171
2172 const FeatureEntry::FeatureParam kNtpPhotosModuleOptInRHTitle[] = {
2173     {ntp_features::kNtpPhotosModuleOptInTitleParam, "0"}};
2174 const FeatureEntry::FeatureParam kNtpPhotosModuleOptInFavoriteTitle[] = {
2175     {ntp_features::kNtpPhotosModuleOptInTitleParam, "1"}};
2176 const FeatureEntry::FeatureParam kNtpPhotosModuleOptInPersonalizedTitle[] = {
2177     {ntp_features::kNtpPhotosModuleOptInTitleParam, "2"}};
2178 const FeatureEntry::FeatureParam kNtpPhotosModuleOptInTripsTitle[] = {
2179     {ntp_features::kNtpPhotosModuleOptInTitleParam, "3"}};
2180
2181 const FeatureEntry::FeatureVariation kNtpPhotosModuleOptInTitleVariations[] = {
2182     {" - Recent Highlights", kNtpPhotosModuleOptInRHTitle,
2183      std::size(kNtpPhotosModuleOptInRHTitle), nullptr},
2184     {" - Favorite people", kNtpPhotosModuleOptInFavoriteTitle,
2185      std::size(kNtpPhotosModuleOptInFavoriteTitle), nullptr},
2186     {" - Personalized title", kNtpPhotosModuleOptInPersonalizedTitle,
2187      std::size(kNtpPhotosModuleOptInPersonalizedTitle), nullptr},
2188     {" - Trips title", kNtpPhotosModuleOptInTripsTitle,
2189      std::size(kNtpPhotosModuleOptInTripsTitle), nullptr}};
2190
2191 const FeatureEntry::FeatureParam kNtpPhotosModuleLogo1ArtWork[] = {
2192     {ntp_features::kNtpPhotosModuleOptInArtWorkParam, "1"}};
2193 const FeatureEntry::FeatureParam kNtpPhotosModuleLogo2ArtWork[] = {
2194     {ntp_features::kNtpPhotosModuleOptInArtWorkParam, "2"}};
2195 const FeatureEntry::FeatureParam kNtpPhotosModuleIllustrationsArtWork[] = {
2196     {ntp_features::kNtpPhotosModuleOptInArtWorkParam, "3"}};
2197 const FeatureEntry::FeatureParam kNtpPhotosModuleStockpileArtWork[] = {
2198     {ntp_features::kNtpPhotosModuleOptInArtWorkParam, "4"}};
2199
2200 const FeatureEntry::FeatureVariation kNtpPhotosModuleOptInArtWorkVariations[] =
2201     {{" - Artwork with Logo - 1", kNtpPhotosModuleLogo1ArtWork,
2202       std::size(kNtpPhotosModuleLogo1ArtWork), nullptr},
2203      {" - Artwork with Logo - 2", kNtpPhotosModuleLogo2ArtWork,
2204       std::size(kNtpPhotosModuleLogo2ArtWork), nullptr},
2205      {" - Artwork with Illustrations", kNtpPhotosModuleIllustrationsArtWork,
2206       std::size(kNtpPhotosModuleIllustrationsArtWork), nullptr},
2207      {" - Artwork with Stockpile", kNtpPhotosModuleStockpileArtWork,
2208       std::size(kNtpPhotosModuleStockpileArtWork), nullptr}};
2209
2210 const FeatureEntry::FeatureParam kNtpRealboxRevertWidthOnBlur[] = {
2211     {ntp_features::kNtpRealboxWidthBehaviorParam, "revert"}};
2212 const FeatureEntry::FeatureParam kNtpRealboxAlwaysWide[] = {
2213     {ntp_features::kNtpRealboxWidthBehaviorParam, "wide"}};
2214 const FeatureEntry::FeatureVariation kNtpRealboxWidthBehaviorVariations[] = {
2215     {" - Reverts back on blur if there is secondary column",
2216      kNtpRealboxRevertWidthOnBlur, std::size(kNtpRealboxRevertWidthOnBlur),
2217      nullptr},
2218     {" - Always wide", kNtpRealboxAlwaysWide, std::size(kNtpRealboxAlwaysWide),
2219      nullptr}};
2220
2221 const FeatureEntry::FeatureParam kNtpRecipeTasksModuleFakeData[] = {
2222     {ntp_features::kNtpRecipeTasksModuleDataParam, "fake"}};
2223 const FeatureEntry::FeatureParam kNtpRecipeTasksModuleHistorical7Days[] = {
2224     {ntp_features::kNtpRecipeTasksModuleExperimentGroupParam, "historical-7"}};
2225 const FeatureEntry::FeatureParam kNtpRecipeTasksModuleHistorical14Days[] = {
2226     {ntp_features::kNtpRecipeTasksModuleExperimentGroupParam, "historical-14"}};
2227 const FeatureEntry::FeatureParam kNtpRecipeTasksModuleMix7Days[] = {
2228     {ntp_features::kNtpRecipeTasksModuleExperimentGroupParam, "mix-7"}};
2229 const FeatureEntry::FeatureParam kNtpRecipeTasksModuleMix14Days[] = {
2230     {ntp_features::kNtpRecipeTasksModuleExperimentGroupParam, "mix-14"}};
2231 const FeatureEntry::FeatureVariation kNtpRecipeTasksModuleVariations[] = {
2232     {"- Fake Data", kNtpRecipeTasksModuleFakeData,
2233      std::size(kNtpRecipeTasksModuleFakeData), nullptr},
2234     {"- Historical Arm (7 days)", kNtpRecipeTasksModuleHistorical7Days,
2235      std::size(kNtpRecipeTasksModuleHistorical7Days), "t3349934"},
2236     {"- Historical Arm (14 days)", kNtpRecipeTasksModuleHistorical14Days,
2237      std::size(kNtpRecipeTasksModuleHistorical14Days), "t3349935"},
2238     {"- Recommended Mix Arm (7 days)", kNtpRecipeTasksModuleMix7Days,
2239      std::size(kNtpRecipeTasksModuleMix7Days), "t3349936"},
2240     {"- Recommended Mix Arm (14 days)", kNtpRecipeTasksModuleMix14Days,
2241      std::size(kNtpRecipeTasksModuleMix14Days), "t3349937"},
2242 };
2243
2244 const FeatureEntry::FeatureParam kNtpSafeBrowsingModuleFastCooldown[] = {
2245     {ntp_features::kNtpSafeBrowsingModuleCooldownPeriodDaysParam, "0.001"},
2246     {ntp_features::kNtpSafeBrowsingModuleCountMaxParam, "1"}};
2247 const FeatureEntry::FeatureVariation kNtpSafeBrowsingModuleVariations[] = {
2248     {"(Fast Cooldown)", kNtpSafeBrowsingModuleFastCooldown,
2249      std::size(kNtpSafeBrowsingModuleFastCooldown), nullptr},
2250 };
2251 #endif  // !BUILDFLAG(IS_ANDROID)
2252
2253 #if BUILDFLAG(IS_ANDROID)
2254
2255 const FeatureEntry::FeatureParam kRelatedSearchesUrl = {"stamp", "1Ru"};
2256 const FeatureEntry::FeatureParam kRelatedSearchesContent = {"stamp", "1Rc"};
2257 const FeatureEntry::FeatureParam kRelatedSearchesAllLanguages = {
2258     "all_languages", "true"};
2259 const FeatureEntry::FeatureVariation kRelatedSearchesVariations[] = {
2260     {"from URL", &kRelatedSearchesUrl, 1, nullptr},
2261     {"from content", &kRelatedSearchesContent, 1, nullptr},
2262     {"support all languages", &kRelatedSearchesAllLanguages, 1, nullptr},
2263 };
2264
2265 const FeatureEntry::FeatureParam kContextualSearchSuppressShortViewWith300Dp[] =
2266     {{"contextual_search_minimum_page_height_dp", "300"}};
2267 const FeatureEntry::FeatureParam kContextualSearchSuppressShortViewWith400Dp[] =
2268     {{"contextual_search_minimum_page_height_dp", "400"}};
2269 const FeatureEntry::FeatureParam kContextualSearchSuppressShortViewWith500Dp[] =
2270     {{"contextual_search_minimum_page_height_dp", "500"}};
2271 const FeatureEntry::FeatureParam kContextualSearchSuppressShortViewWith600Dp[] =
2272     {{"contextual_search_minimum_page_height_dp", "600"}};
2273 const FeatureEntry::FeatureVariation
2274     kContextualSearchSuppressShortViewVariations[] = {
2275         {"(300 dp)", kContextualSearchSuppressShortViewWith300Dp,
2276          std::size(kContextualSearchSuppressShortViewWith300Dp), nullptr},
2277         {"(400 dp)", kContextualSearchSuppressShortViewWith400Dp,
2278          std::size(kContextualSearchSuppressShortViewWith400Dp), nullptr},
2279         {"(500 dp)", kContextualSearchSuppressShortViewWith500Dp,
2280          std::size(kContextualSearchSuppressShortViewWith500Dp), nullptr},
2281         {"(600 dp)", kContextualSearchSuppressShortViewWith600Dp,
2282          std::size(kContextualSearchSuppressShortViewWith600Dp), nullptr},
2283 };
2284
2285 #endif  // BUILDFLAG(IS_ANDROID)
2286
2287 const FeatureEntry::FeatureParam
2288     kResamplingScrollEventsPredictionTimeBasedEnabled[] = {
2289         {"mode", features::kPredictionTypeTimeBased},
2290         {"latency", features::kPredictionTypeDefaultTime}};
2291 const FeatureEntry::FeatureParam
2292     kResamplingScrollEventsPredictionFramesBasedEnabled[] = {
2293         {"mode", features::kPredictionTypeFramesBased},
2294         {"latency", features::kPredictionTypeDefaultFramesRatio}};
2295 const FeatureEntry::FeatureVariation
2296     kResamplingScrollEventsExperimentalPredictionVariations[] = {
2297         {features::kPredictionTypeTimeBased,
2298          kResamplingScrollEventsPredictionTimeBasedEnabled,
2299          std::size(kResamplingScrollEventsPredictionTimeBasedEnabled), nullptr},
2300         {features::kPredictionTypeFramesBased,
2301          kResamplingScrollEventsPredictionFramesBasedEnabled,
2302          std::size(kResamplingScrollEventsPredictionFramesBasedEnabled),
2303          nullptr}};
2304
2305 #if BUILDFLAG(IS_ANDROID)
2306 const FeatureEntry::FeatureParam kStartSurfaceReturnTime_Immediate[] = {
2307     {"start_surface_return_time_seconds", "0"},
2308     {"start_surface_return_time_on_tablet_seconds", "0"}};
2309 const FeatureEntry::FeatureParam kStartSurfaceReturnTime_10Seconds[] = {
2310     {"start_surface_return_time_seconds", "10"},
2311     {"start_surface_return_time_on_tablet_seconds", "10"}};
2312 const FeatureEntry::FeatureParam kStartSurfaceReturnTime_1Minute[] = {
2313     {"start_surface_return_time_seconds", "60"},
2314     {"start_surface_return_time_on_tablet_seconds", "60"}};
2315 const FeatureEntry::FeatureParam kStartSurfaceReturnTime_5Minute[] = {
2316     {"start_surface_return_time_seconds", "300"},
2317     {"start_surface_return_time_on_tablet_seconds", "300"}};
2318 const FeatureEntry::FeatureParam kStartSurfaceReturnTime_60Minute[] = {
2319     {"start_surface_return_time_seconds", "3600"},
2320     {"start_surface_return_time_on_tablet_seconds", "3600"}};
2321 const FeatureEntry::FeatureVariation kStartSurfaceReturnTimeVariations[] = {
2322     {"Immediate", kStartSurfaceReturnTime_Immediate,
2323      std::size(kStartSurfaceReturnTime_Immediate), nullptr},
2324     {"10 seconds", kStartSurfaceReturnTime_10Seconds,
2325      std::size(kStartSurfaceReturnTime_10Seconds), nullptr},
2326     {"1 minute", kStartSurfaceReturnTime_1Minute,
2327      std::size(kStartSurfaceReturnTime_1Minute), nullptr},
2328     {"5 minute", kStartSurfaceReturnTime_5Minute,
2329      std::size(kStartSurfaceReturnTime_5Minute), nullptr},
2330     {"60 minute", kStartSurfaceReturnTime_60Minute,
2331      std::size(kStartSurfaceReturnTime_60Minute), nullptr},
2332 };
2333
2334 const FeatureEntry::FeatureParam
2335     kAccountReauthenticationRecentTimeWindow_0Minutes[] = {
2336         {"account_reauthentication_recent_time_window_minutes", "0"},
2337 };
2338 const FeatureEntry::FeatureParam
2339     kAccountReauthenticationRecentTimeWindow_1Minutes[] = {
2340         {"account_reauthentication_recent_time_window_minutes", "1"},
2341 };
2342 const FeatureEntry::FeatureParam
2343     kAccountReauthenticationRecentTimeWindow_5Minutes[] = {
2344         {"account_reauthentication_recent_time_window_minutes", "5"},
2345 };
2346 const FeatureEntry::FeatureParam
2347     kAccountReauthenticationRecentTimeWindow_10Minutes[] = {
2348         {"account_reauthentication_recent_time_window_minutes", "10"},
2349 };
2350 const FeatureEntry::FeatureVariation
2351     kAccountReauthenticationRecentTimeWindowVariations[] = {
2352         {"0 minutes", kAccountReauthenticationRecentTimeWindow_0Minutes,
2353          std::size(kAccountReauthenticationRecentTimeWindow_0Minutes), nullptr},
2354         {"1 minutes", kAccountReauthenticationRecentTimeWindow_1Minutes,
2355          std::size(kAccountReauthenticationRecentTimeWindow_1Minutes), nullptr},
2356         {"5 minutes", kAccountReauthenticationRecentTimeWindow_5Minutes,
2357          std::size(kAccountReauthenticationRecentTimeWindow_5Minutes), nullptr},
2358         {"10 minutes", kAccountReauthenticationRecentTimeWindow_10Minutes,
2359          std::size(kAccountReauthenticationRecentTimeWindow_10Minutes),
2360          nullptr},
2361 };
2362 #endif  // BUILDFLAG(IS_ANDROID)
2363 #if BUILDFLAG(IS_ANDROID)
2364 const FeatureEntry::FeatureParam
2365     kNewTabSearchEngineUrlAndroid_EeaCountryOnly[] = {
2366         {"eea_country_only", "true"}};
2367
2368 const FeatureEntry::FeatureVariation kNewTabSearchEngineUrlAndroidVariations[] =
2369     {
2370         {"EEA Country Only", kNewTabSearchEngineUrlAndroid_EeaCountryOnly,
2371          std::size(kNewTabSearchEngineUrlAndroid_EeaCountryOnly), nullptr},
2372 };
2373
2374 const FeatureEntry::FeatureParam kStartSurfaceAndroid_SingleSurface[] = {
2375     {"open_ntp_instead_of_start", "false"},
2376     {"open_start_as_homepage", "true"},
2377     {"show_last_active_tab_only", "false"},
2378     {"show_tabs_in_mru_order", "true"}};
2379
2380 const FeatureEntry::FeatureParam kStartSurfaceAndroid_CandidateA[] = {
2381     {"open_ntp_instead_of_start", "false"},
2382     {"open_start_as_homepage", "true"}};
2383
2384 const FeatureEntry::FeatureParam kStartSurfaceAndroid_CandidateA_SyncCheck[] = {
2385     {"open_ntp_instead_of_start", "false"},
2386     {"open_start_as_homepage", "true"},
2387     {"check_sync_before_show_start_at_startup", "true"}};
2388
2389 const FeatureEntry::FeatureParam
2390     kStartSurfaceAndroid_CandidateA_SigninPromoTimeLimit[] = {
2391         {"open_ntp_instead_of_start", "false"},
2392         {"open_start_as_homepage", "true"},
2393         {"sign_in_promo_show_since_last_background_limit_ms", "30000"}};
2394
2395 const FeatureEntry::FeatureParam kStartSurfaceAndroid_CandidateB[] = {
2396     {"open_ntp_instead_of_start", "true"}};
2397
2398 const FeatureEntry::FeatureParam
2399     kStartSurfaceAndroid_CandidateB_AlwaysShowIncognito[] = {
2400         {"hide_switch_when_no_incognito_tabs", "false"}};
2401
2402 const FeatureEntry::FeatureVariation kStartSurfaceAndroidVariations[] = {
2403     {"Candidate A", kStartSurfaceAndroid_CandidateA,
2404      std::size(kStartSurfaceAndroid_CandidateA), nullptr},
2405     {"Candidate A + Sync check", kStartSurfaceAndroid_CandidateA_SyncCheck,
2406      std::size(kStartSurfaceAndroid_CandidateA_SyncCheck), nullptr},
2407     {"Candidate A + Sign in promo backgrounded time limit",
2408      kStartSurfaceAndroid_CandidateA_SigninPromoTimeLimit,
2409      std::size(kStartSurfaceAndroid_CandidateA_SigninPromoTimeLimit), nullptr},
2410     {"Candidate B", kStartSurfaceAndroid_CandidateB,
2411      std::size(kStartSurfaceAndroid_CandidateB), nullptr},
2412     {"Candidate B + Always show Incognito icon",
2413      kStartSurfaceAndroid_CandidateB_AlwaysShowIncognito,
2414      std::size(kStartSurfaceAndroid_CandidateB_AlwaysShowIncognito), nullptr},
2415     {"Single Surface", kStartSurfaceAndroid_SingleSurface,
2416      std::size(kStartSurfaceAndroid_SingleSurface), nullptr},
2417 };
2418
2419 const FeatureEntry::FeatureParam kSurfacePolish_mvp[] = {
2420     {"polish_omnibox_color", "true"},
2421     {"scrollable_mvt", "true"},
2422     {"move_down_logo", "true"}};
2423
2424 const FeatureEntry::FeatureParam kSurfacePolish_white_omnibox[] = {
2425     {"scrollable_mvt", "true"},
2426     {"move_down_logo", "true"}};
2427
2428 const FeatureEntry::FeatureParam kSurfacePolish_less_brand_space[] = {
2429     {"polish_omnibox_color", "true"},
2430     {"scrollable_mvt", "true"},
2431     {"move_down_logo", "true"},
2432     {"less_brand_space", "true"}};
2433
2434 const FeatureEntry::FeatureParam kSurfacePolish_mvp_2row_mvt[] = {
2435     {"polish_omnibox_color", "true"},
2436     {"move_down_logo", "true"}};
2437
2438 const FeatureEntry::FeatureParam kSurfacePolish_logo_in_toolbar[] = {
2439     {"polish_omnibox_color", "true"}};
2440
2441 const FeatureEntry::FeatureParam kSurfacePolish_use_magic_space[] = {
2442     {"polish_omnibox_color", "true"},
2443     {"move_down_logo", "true"},
2444     {"use_magic_space", "true"}};
2445
2446 const FeatureEntry::FeatureVariation kSurfacePolishVariations[] = {
2447     {"Arm 1: MVP", kSurfacePolish_mvp, std::size(kSurfacePolish_mvp), nullptr},
2448     {"Arm 2: White Omnibox", kSurfacePolish_white_omnibox,
2449      std::size(kSurfacePolish_white_omnibox), nullptr},
2450     {"Arm 3: Less brand space", kSurfacePolish_less_brand_space,
2451      std::size(kSurfacePolish_less_brand_space), nullptr},
2452     {"Arm 4: MVP with 2 row MVT", kSurfacePolish_mvp_2row_mvt,
2453      std::size(kSurfacePolish_mvp_2row_mvt), nullptr},
2454     {"Arm 5: Logo in toolbar", kSurfacePolish_logo_in_toolbar,
2455      std::size(kSurfacePolish_logo_in_toolbar), nullptr},
2456     {"Use magic space", kSurfacePolish_use_magic_space,
2457      std::size(kSurfacePolish_use_magic_space), nullptr},
2458 };
2459
2460 const FeatureEntry::FeatureParam kFeedPositionAndroid_push_down_feed_small[] = {
2461     {"push_down_feed_small", "true"}};
2462
2463 const FeatureEntry::FeatureParam kFeedPositionAndroid_push_down_feed_large[] = {
2464     {"push_down_feed_large", "true"}};
2465
2466 const FeatureEntry::FeatureParam kFeedPositionAndroid_pull_up_feed[] = {
2467     {"pull_up_feed", "true"}};
2468
2469 const FeatureEntry::FeatureParam
2470     kFeedPositionAndroid_push_down_feed_large_target_feed_active[] = {
2471         {"push_down_feed_large", "true"},
2472         {"feed_active_targeting", "active"}};
2473
2474 const FeatureEntry::FeatureParam
2475     kFeedPositionAndroid_push_down_feed_large_target_non_feed_active[] = {
2476         {"push_down_feed_large", "true"},
2477         {"feed_active_targeting", "non-active"}};
2478
2479 const FeatureEntry::FeatureParam
2480     kFeedPositionAndroid_pull_up_feed_target_feed_active[] = {
2481         {"pull_up_feed", "true"},
2482         {"feed_active_targeting", "active"}};
2483
2484 const FeatureEntry::FeatureParam
2485     kFeedPositionAndroid_pull_up_feed_target_non_feed_active[] = {
2486         {"pull_up_feed", "true"},
2487         {"feed_active_targeting", "non-active"}};
2488
2489 const FeatureEntry::FeatureVariation kFeedPositionAndroidVariations[] = {
2490     {"Push down Feed (small)", kFeedPositionAndroid_push_down_feed_small,
2491      std::size(kFeedPositionAndroid_push_down_feed_small), nullptr},
2492     {"Push down Feed (large)", kFeedPositionAndroid_push_down_feed_large,
2493      std::size(kFeedPositionAndroid_push_down_feed_large), nullptr},
2494     {"Pull up Feed", kFeedPositionAndroid_pull_up_feed,
2495      std::size(kFeedPositionAndroid_pull_up_feed), nullptr},
2496     {"Push down Feed (large) with targeting Feed active users",
2497      kFeedPositionAndroid_push_down_feed_large_target_feed_active,
2498      std::size(kFeedPositionAndroid_push_down_feed_large_target_feed_active),
2499      nullptr},
2500     {"Push down Feed (large) with targeting non-Feed active users",
2501      kFeedPositionAndroid_push_down_feed_large_target_non_feed_active,
2502      std::size(
2503          kFeedPositionAndroid_push_down_feed_large_target_non_feed_active),
2504      nullptr},
2505     {"Pull up Feed with targeting Feed active users",
2506      kFeedPositionAndroid_pull_up_feed_target_feed_active,
2507      std::size(kFeedPositionAndroid_pull_up_feed_target_feed_active), nullptr},
2508     {"Pull up Feed with targeting non-Feed active users",
2509      kFeedPositionAndroid_pull_up_feed_target_non_feed_active,
2510      std::size(kFeedPositionAndroid_pull_up_feed_target_non_feed_active),
2511      nullptr},
2512 };
2513
2514 const FeatureEntry::FeatureParam kSearchResumption_use_new_service[] = {
2515     {"use_new_service", "true"}};
2516 const FeatureEntry::FeatureVariation
2517     kSearchResumptionModuleAndroidVariations[] = {
2518         {"Use New Service", kSearchResumption_use_new_service,
2519          std::size(kSearchResumption_use_new_service), nullptr},
2520 };
2521
2522 const FeatureEntry::FeatureParam kFeatureNotificationGuide_low_engaged[] = {
2523     {"enable_feature_incognito_tab", "true"},
2524     {"enable_feature_ntp_suggestion_card", "true"},
2525     {"enable_feature_voice_search", "true"}};
2526
2527 const FeatureEntry::FeatureParam kFeatureNotificationGuide_default_browser[] = {
2528     {"enable_feature_default_browser", "true"}};
2529
2530 const FeatureEntry::FeatureVariation kFeatureNotificationGuideVariations[] = {
2531     {"Low engaged users", kFeatureNotificationGuide_low_engaged,
2532      std::size(kFeatureNotificationGuide_low_engaged), nullptr},
2533     {"Default browser", kFeatureNotificationGuide_default_browser,
2534      std::size(kFeatureNotificationGuide_default_browser), nullptr},
2535 };
2536
2537 const FeatureEntry::FeatureParam
2538     kNotificationPermissionRationale_show_dialog_next_start[] = {
2539         {"always_show_rationale_before_requesting_permission", "true"},
2540         {"permission_request_interval_days", "0"},
2541 };
2542
2543 const FeatureEntry::FeatureVariation
2544     kNotificationPermissionRationaleVariations[] = {
2545         {"- Show rationale UI on next startup",
2546          kNotificationPermissionRationale_show_dialog_next_start,
2547          std::size(kNotificationPermissionRationale_show_dialog_next_start),
2548          nullptr},
2549 };
2550
2551 const FeatureEntry::FeatureParam kWebFeed_accelerator[] = {
2552     {"intro_style", "accelerator"}};
2553
2554 const FeatureEntry::FeatureParam kWebFeed_IPH[] = {{"intro_style", "IPH"}};
2555
2556 const FeatureEntry::FeatureVariation kWebFeedVariations[] = {
2557     {"accelerator recommendations", kWebFeed_accelerator,
2558      std::size(kWebFeed_accelerator), nullptr},
2559     {"IPH recommendations", kWebFeed_IPH, std::size(kWebFeed_IPH), nullptr},
2560 };
2561
2562 const FeatureEntry::FeatureParam kWebFeedAwareness_new_animation[] = {
2563     {"awareness_style", "new_animation"}};
2564 const FeatureEntry::FeatureParam kWebFeedAwareness_new_animation_no_limit[] = {
2565     {"awareness_style", "new_animation_no_limit"}};
2566
2567 const FeatureEntry::FeatureParam kWebFeedAwareness_IPH[] = {
2568     {"awareness_style", "IPH"}};
2569
2570 const FeatureEntry::FeatureVariation kWebFeedAwarenessVariations[] = {
2571     {"new animation", kWebFeedAwareness_new_animation,
2572      std::size(kWebFeedAwareness_new_animation), nullptr},
2573     {"new animation rate limit off", kWebFeedAwareness_new_animation_no_limit,
2574      std::size(kWebFeedAwareness_new_animation_no_limit), nullptr},
2575     {"IPH and dot", kWebFeedAwareness_IPH, std::size(kWebFeedAwareness_IPH),
2576      nullptr},
2577 };
2578
2579 const FeatureEntry::FeatureParam kFeedCloseRefresh_Open[] = {
2580     {"require_interaction", "false"}};
2581
2582 const FeatureEntry::FeatureParam kFeedCloseRefresh_Interact[] = {
2583     {"require_interaction", "true"}};
2584
2585 const FeatureEntry::FeatureVariation kFeedCloseRefreshVariations[] = {
2586     {"Open", kFeedCloseRefresh_Open, std::size(kFeedCloseRefresh_Open),
2587      nullptr},
2588     {"Interact", kFeedCloseRefresh_Interact,
2589      std::size(kFeedCloseRefresh_Interact), nullptr},
2590 };
2591
2592 #endif  // BUILDFLAG(IS_ANDROID)
2593
2594 #if BUILDFLAG(IS_ANDROID)
2595 const FeatureEntry::FeatureParam kAddToHomescreen_UseTextBubble[] = {
2596     {"use_text_bubble", "true"}};
2597 const FeatureEntry::FeatureParam kAddToHomescreen_UseMessage[] = {
2598     {"use_message", "true"}};
2599
2600 const FeatureEntry::FeatureVariation kAddToHomescreenIPHVariations[] = {
2601     {"Use Text Bubble", kAddToHomescreen_UseTextBubble,
2602      std::size(kAddToHomescreen_UseTextBubble), nullptr},
2603     {"Use Message", kAddToHomescreen_UseMessage,
2604      std::size(kAddToHomescreen_UseMessage), nullptr}};
2605 #endif
2606
2607 #if BUILDFLAG(IS_ANDROID)
2608 const FeatureEntry::FeatureParam
2609     kAutofillUseMobileLabelDisambiguationShowAll[] = {
2610         {autofill::features::kAutofillUseMobileLabelDisambiguationParameterName,
2611          autofill::features::
2612              kAutofillUseMobileLabelDisambiguationParameterShowAll}};
2613 const FeatureEntry::FeatureParam
2614     kAutofillUseMobileLabelDisambiguationShowOne[] = {
2615         {autofill::features::kAutofillUseMobileLabelDisambiguationParameterName,
2616          autofill::features::
2617              kAutofillUseMobileLabelDisambiguationParameterShowOne}};
2618
2619 const FeatureEntry::FeatureVariation
2620     kAutofillUseMobileLabelDisambiguationVariations[] = {
2621         {"(show all)", kAutofillUseMobileLabelDisambiguationShowAll,
2622          std::size(kAutofillUseMobileLabelDisambiguationShowAll), nullptr},
2623         {"(show one)", kAutofillUseMobileLabelDisambiguationShowOne,
2624          std::size(kAutofillUseMobileLabelDisambiguationShowOne), nullptr}};
2625 #endif  // BUILDFLAG(IS_ANDROID)
2626
2627 constexpr FeatureEntry::FeatureParam kStorageAccessAPI_WithPrompt[] = {
2628     {"storage_access_api_auto_deny_outside_fps", "false"}};
2629
2630 const FeatureEntry::FeatureVariation kStorageAccessAPIVariations[] = {
2631     {"(with prompt)", kStorageAccessAPI_WithPrompt,
2632      std::size(kStorageAccessAPI_WithPrompt), nullptr}};
2633
2634 #if BUILDFLAG(IS_ANDROID)
2635 const FeatureEntry::FeatureParam kLensCameraAssistedSearchLensButtonStart[] = {
2636     {"searchBoxStartVariantForLensCameraAssistedSearch", "true"}};
2637
2638 const FeatureEntry::FeatureParam kLensCameraAssistedSearchLensButtonEnd[] = {
2639     {"searchBoxStartVariantForLensCameraAssistedSearch", "false"}};
2640
2641 const FeatureEntry::FeatureParam
2642     kLensCameraAssistedSkipAgsaVersionCheckEnabled[] = {
2643         {"skipAgsaVersionCheck", "true"}};
2644
2645 const FeatureEntry::FeatureParam
2646     kLensCameraAssistedSkipAgsaVersionCheckDisabled[] = {
2647         {"skipAgsaVersionCheck", "false"}};
2648
2649 const FeatureEntry::FeatureParam kLensCameraAssistedSearchOnTablet[] = {
2650     {"enableCameraAssistedSearchOnTablet", "true"}};
2651
2652 const FeatureEntry::FeatureVariation kLensCameraAssistedSearchVariations[] = {
2653     {"(Lens then Mic)", kLensCameraAssistedSearchLensButtonStart,
2654      std::size(kLensCameraAssistedSearchLensButtonStart), nullptr},
2655     {"(Mic then Lens)", kLensCameraAssistedSearchLensButtonEnd,
2656      std::size(kLensCameraAssistedSearchLensButtonEnd), nullptr},
2657     {"(without AGSA version check)",
2658      kLensCameraAssistedSkipAgsaVersionCheckEnabled,
2659      std::size(kLensCameraAssistedSkipAgsaVersionCheckEnabled), nullptr},
2660     {"(with AGSA version check )",
2661      kLensCameraAssistedSkipAgsaVersionCheckDisabled,
2662      std::size(kLensCameraAssistedSkipAgsaVersionCheckDisabled), nullptr},
2663     {"(on Tablet)", kLensCameraAssistedSearchOnTablet,
2664      std::size(kLensCameraAssistedSearchOnTablet), nullptr}};
2665
2666 const FeatureEntry::FeatureParam kLensContextMenuSearchOnTablet[] = {
2667     {"enableContextMenuSearchOnTablet", "true"}};
2668
2669 const FeatureEntry::FeatureVariation kLensContextMenuSearchVariations[] = {
2670     {"(on Tablet)", kLensContextMenuSearchOnTablet,
2671      std::size(kLensContextMenuSearchOnTablet), nullptr},
2672 };
2673
2674 const FeatureEntry::FeatureParam kContextMenuSearchImageWithGoogle[] = {
2675     {"useLensContextMenuAlternateText1", "true"}};
2676
2677 const FeatureEntry::FeatureParam kContextMenuSearchInsideImageWithGoogle[] = {
2678     {"useLensContextMenuAlternateText2", "true"}};
2679
2680 const FeatureEntry::FeatureVariation
2681     kContextMenuGoogleLensSearchOptimizationVariations[] = {
2682         {"Context Menu: Search image With Google",
2683          kContextMenuSearchImageWithGoogle,
2684          std::size(kContextMenuSearchImageWithGoogle), nullptr},
2685         {"Context Menu: Search inside image With Google",
2686          kContextMenuSearchInsideImageWithGoogle,
2687          std::size(kContextMenuSearchInsideImageWithGoogle), nullptr},
2688 };
2689
2690 #endif  // BUILDFLAG(IS_ANDROID)
2691
2692 const FeatureEntry::Choice kNotificationSchedulerChoices[] = {
2693     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
2694     {flag_descriptions::
2695          kNotificationSchedulerImmediateBackgroundTaskDescription,
2696      notifications::switches::kNotificationSchedulerImmediateBackgroundTask,
2697      ""},
2698 };
2699
2700 #if BUILDFLAG(IS_ANDROID)
2701
2702 const FeatureEntry::FeatureParam
2703     kOmniboxModernizeVisualUpdateExcludeTabletsSmallMargin[] = {
2704         {"enable_modernize_visual_update_on_tablet", "false"},
2705         {"modernize_visual_update_active_color_on_omnibox", "true"},
2706         {"modernize_visual_update_small_bottom_margin", "true"}};
2707
2708 const FeatureEntry::FeatureParam
2709     kOmniboxModernizeVisualUpdateExcludeTabletsSmallerMarginsMergeClipboard[] =
2710         {{"enable_modernize_visual_update_on_tablet", "false"},
2711          {"modernize_visual_update_active_color_on_omnibox", "true"},
2712          {"modernize_visual_update_smaller_margins", "true"},
2713          {"modernize_visual_update_merge_clipboard_on_ntp", "true"}};
2714
2715 const FeatureEntry::FeatureParam
2716     kOmniboxModernizeVisualUpdateExcludeTabletsSmallestMargins[] = {
2717         {"enable_modernize_visual_update_on_tablet", "false"},
2718         {"modernize_visual_update_active_color_on_omnibox", "true"},
2719         {"modernize_visual_update_smallest_margins", "true"},
2720         {"modernize_visual_update_merge_clipboard_on_ntp", "false"}};
2721
2722 const FeatureEntry::FeatureParam
2723     kOmniboxModernizeVisualUpdateExcludeTabletsSmallestMarginsMergeClipboard[] =
2724         {{"enable_modernize_visual_update_on_tablet", "false"},
2725          {"modernize_visual_update_active_color_on_omnibox", "true"},
2726          {"modernize_visual_update_smallest_margins", "true"},
2727          {"modernize_visual_update_merge_clipboard_on_ntp", "true"}};
2728
2729 const FeatureEntry::FeatureParam kOmniboxModernizeVisualUpdateIncludeTablets[] =
2730     {{"enable_modernize_visual_update_on_tablet", "true"},
2731      {"modernize_visual_update_active_color_on_omnibox", "true"},
2732      {"modernize_visual_update_smallest_margins", "true"},
2733      {"modernize_visual_update_merge_clipboard_on_ntp", "true"}};
2734
2735 const FeatureEntry::FeatureVariation kOmniboxModernizeVisualUpdateVariations[] = {
2736     {"(Small vertical margin)",
2737      kOmniboxModernizeVisualUpdateExcludeTabletsSmallMargin,
2738      std::size(kOmniboxModernizeVisualUpdateExcludeTabletsSmallMargin),
2739      nullptr},
2740     {"(Smaller margins, merge clipboard)",
2741      kOmniboxModernizeVisualUpdateExcludeTabletsSmallerMarginsMergeClipboard,
2742      std::size(
2743          kOmniboxModernizeVisualUpdateExcludeTabletsSmallerMarginsMergeClipboard),
2744      nullptr},
2745     {"(Smallest margins, merge clipboard)",
2746      kOmniboxModernizeVisualUpdateExcludeTabletsSmallestMarginsMergeClipboard,
2747      std::size(
2748          kOmniboxModernizeVisualUpdateExcludeTabletsSmallestMarginsMergeClipboard),
2749      nullptr},
2750     {"(Smallest margins, don't merge clipboard)",
2751      kOmniboxModernizeVisualUpdateExcludeTabletsSmallestMargins,
2752      std::size(kOmniboxModernizeVisualUpdateExcludeTabletsSmallestMargins),
2753      nullptr},
2754     {"(Tablet)", kOmniboxModernizeVisualUpdateIncludeTablets,
2755      std::size(kOmniboxModernizeVisualUpdateIncludeTablets), nullptr},
2756 };
2757
2758 const FeatureEntry::FeatureParam kPhotoPickerAdoptionStudyActionGetContent[] = {
2759     {"use_action_get_content", "true"}};
2760 const FeatureEntry::FeatureParam kPhotoPickerAdoptionStudyActionPickImages[] = {
2761     {"use_action_pick_images", "true"}};
2762 const FeatureEntry::FeatureParam
2763     kPhotoPickerAdoptionStudyActionPickImagesPlus[] = {
2764         {"use_action_pick_images_plus", "true"}};
2765 const FeatureEntry::FeatureParam
2766     kPhotoPickerAdoptionStudyChromePickerWithoutBrowse[] = {
2767         {"chrome_picker_suppress_browse", "true"}};
2768
2769 const FeatureEntry::FeatureVariation
2770     kPhotoPickerAdoptionStudyFeatureVariations[] = {
2771         {"(Android Picker w/ACTION_GET_CONTENT)",
2772          kPhotoPickerAdoptionStudyActionGetContent,
2773          std::size(kPhotoPickerAdoptionStudyActionGetContent), nullptr},
2774         {"(Android Picker w/ACTION_PICK_IMAGES)",
2775          kPhotoPickerAdoptionStudyActionPickImages,
2776          std::size(kPhotoPickerAdoptionStudyActionPickImages), nullptr},
2777         {"(Android Picker w/ACTION_PICK_IMAGES Plus)",
2778          kPhotoPickerAdoptionStudyActionPickImagesPlus,
2779          std::size(kPhotoPickerAdoptionStudyActionPickImagesPlus), nullptr},
2780         {"(Chrome Picker without Browse)",
2781          kPhotoPickerAdoptionStudyChromePickerWithoutBrowse,
2782          std::size(kPhotoPickerAdoptionStudyChromePickerWithoutBrowse),
2783          nullptr}};
2784
2785 const FeatureEntry::FeatureParam kAuxiliarySearchDonation_MaxDonation_20[] = {
2786     {chrome::android::kAuxiliarySearchMaxBookmarksCountParam.name, "20"},
2787     {chrome::android::kAuxiliarySearchMaxTabsCountParam.name, "20"}};
2788 const FeatureEntry::FeatureParam kAuxiliarySearchDonation_MaxDonation_100[] = {
2789     {chrome::android::kAuxiliarySearchMaxBookmarksCountParam.name, "100"},
2790     {chrome::android::kAuxiliarySearchMaxTabsCountParam.name, "100"}};
2791 const FeatureEntry::FeatureParam kAuxiliarySearchDonation_MaxDonation_200[] = {
2792     {chrome::android::kAuxiliarySearchMaxBookmarksCountParam.name, "200"},
2793     {chrome::android::kAuxiliarySearchMaxTabsCountParam.name, "200"}};
2794 const FeatureEntry::FeatureParam kAuxiliarySearchDonation_MaxDonation_500[] = {
2795     {chrome::android::kAuxiliarySearchMaxBookmarksCountParam.name, "500"},
2796     {chrome::android::kAuxiliarySearchMaxTabsCountParam.name, "500"}};
2797 const FeatureEntry::FeatureVariation kAuxiliarySearchDonationVariations[] = {
2798     {"50 counts", kAuxiliarySearchDonation_MaxDonation_20,
2799      std::size(kAuxiliarySearchDonation_MaxDonation_20), nullptr},
2800     {"100 counts", kAuxiliarySearchDonation_MaxDonation_100,
2801      std::size(kAuxiliarySearchDonation_MaxDonation_100), nullptr},
2802     {"200 counts", kAuxiliarySearchDonation_MaxDonation_200,
2803      std::size(kAuxiliarySearchDonation_MaxDonation_200), nullptr},
2804     {"500 counts", kAuxiliarySearchDonation_MaxDonation_500,
2805      std::size(kAuxiliarySearchDonation_MaxDonation_500), nullptr},
2806 };
2807 #endif  // BUILDFLAG(IS_ANDROID)
2808
2809 // TODO(crbug.com/991082,1015377): Remove after proper support for back/forward
2810 // cache is implemented.
2811 const FeatureEntry::FeatureParam kBackForwardCache_ForceCaching[] = {
2812     {"TimeToLiveInBackForwardCacheInSeconds", "300"},
2813     {"should_ignore_blocklists", "true"}};
2814
2815 const FeatureEntry::FeatureVariation kBackForwardCacheVariations[] = {
2816     {"force caching all pages (experimental)", kBackForwardCache_ForceCaching,
2817      std::size(kBackForwardCache_ForceCaching), nullptr},
2818 };
2819
2820 const FeatureEntry::FeatureParam kPerformanceSettingsPreloadingSubpage_V1[] = {
2821     {"use_v2_preloading_subpage", "false"}};
2822
2823 const FeatureEntry::FeatureVariation
2824     kPerformanceSettingsPreloadingSubpageVariations[] = {
2825         {"without toggle button", kPerformanceSettingsPreloadingSubpage_V1,
2826          std::size(kPerformanceSettingsPreloadingSubpage_V1), nullptr},
2827 };
2828
2829 const FeatureEntry::FeatureParam kRenderDocument_Subframe[] = {
2830     {"level", "subframe"}};
2831 const FeatureEntry::FeatureParam kRenderDocument_AllFrames[] = {
2832     {"level", "all-frames"}};
2833
2834 const FeatureEntry::FeatureVariation kRenderDocumentVariations[] = {
2835     {"Swap RenderFrameHosts on same-site navigations from subframes and "
2836      "crashed frames (experimental)",
2837      kRenderDocument_Subframe, std::size(kRenderDocument_Subframe), nullptr},
2838     {"Swap RenderFrameHosts on same-site navigations from any frame "
2839      "(experimental)",
2840      kRenderDocument_AllFrames, std::size(kRenderDocument_AllFrames), nullptr},
2841 };
2842
2843 #if BUILDFLAG(IS_ANDROID)
2844 const FeatureEntry::Choice kWebOtpBackendChoices[] = {
2845     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
2846     {flag_descriptions::kWebOtpBackendSmsVerification, switches::kWebOtpBackend,
2847      switches::kWebOtpBackendSmsVerification},
2848     {flag_descriptions::kWebOtpBackendUserConsent, switches::kWebOtpBackend,
2849      switches::kWebOtpBackendUserConsent},
2850     {flag_descriptions::kWebOtpBackendAuto, switches::kWebOtpBackend,
2851      switches::kWebOtpBackendAuto},
2852 };
2853
2854 const FeatureEntry::Choice kQueryTilesCountryChoices[] = {
2855     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
2856     {flag_descriptions::kQueryTilesCountryCodeUS,
2857      query_tiles::switches::kQueryTilesCountryCode, "US"},
2858     {flag_descriptions::kQueryTilesCountryCodeIndia,
2859      query_tiles::switches::kQueryTilesCountryCode, "IN"},
2860     {flag_descriptions::kQueryTilesCountryCodeBrazil,
2861      query_tiles::switches::kQueryTilesCountryCode, "BR"},
2862     {flag_descriptions::kQueryTilesCountryCodeNigeria,
2863      query_tiles::switches::kQueryTilesCountryCode, "NG"},
2864     {flag_descriptions::kQueryTilesCountryCodeIndonesia,
2865      query_tiles::switches::kQueryTilesCountryCode, "ID"},
2866 };
2867
2868 #endif  // BUILDFLAG(IS_ANDROID)
2869
2870 // The choices for --enable-download-warning-improvements. This really should
2871 // just be a SINGLE_VALUE_TYPE, but it is misleading to have the choices be
2872 // labeled "Disabled"/"Enabled". So instead this is made to be a
2873 // MULTI_VALUE_TYPE with choices "Default"/"Enabled".
2874 const FeatureEntry::Choice kDownloadWarningImprovementsChoices[] = {
2875     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
2876     {flags_ui::kGenericExperimentChoiceEnabled,
2877      switches::kEnableDownloadWarningImprovements, ""},
2878 };
2879
2880 // The choices for --enable-experimental-cookie-features. This really should
2881 // just be a SINGLE_VALUE_TYPE, but it is misleading to have the choices be
2882 // labeled "Disabled"/"Enabled". So instead this is made to be a
2883 // MULTI_VALUE_TYPE with choices "Default"/"Enabled".
2884 const FeatureEntry::Choice kEnableExperimentalCookieFeaturesChoices[] = {
2885     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
2886     {flags_ui::kGenericExperimentChoiceEnabled,
2887      switches::kEnableExperimentalCookieFeatures, ""},
2888 };
2889
2890 #if BUILDFLAG(IS_CHROMEOS_ASH)
2891 const FeatureEntry::Choice kFrameThrottleFpsChoices[] = {
2892     {flag_descriptions::kFrameThrottleFpsDefault, "", ""},
2893     {flag_descriptions::kFrameThrottleFps5, ash::switches::kFrameThrottleFps,
2894      "5"},
2895     {flag_descriptions::kFrameThrottleFps10, ash::switches::kFrameThrottleFps,
2896      "10"},
2897     {flag_descriptions::kFrameThrottleFps15, ash::switches::kFrameThrottleFps,
2898      "15"},
2899     {flag_descriptions::kFrameThrottleFps20, ash::switches::kFrameThrottleFps,
2900      "20"},
2901     {flag_descriptions::kFrameThrottleFps25, ash::switches::kFrameThrottleFps,
2902      "25"},
2903     {flag_descriptions::kFrameThrottleFps30, ash::switches::kFrameThrottleFps,
2904      "30"}};
2905 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
2906
2907 const FeatureEntry::FeatureParam kDrawPredictedPointExperiment1Point12Ms[] = {
2908     {"predicted_points", features::kDraw1Point12Ms}};
2909 const FeatureEntry::FeatureParam kDrawPredictedPointExperiment2Points6Ms[] = {
2910     {"predicted_points", features::kDraw2Points6Ms}};
2911 const FeatureEntry::FeatureParam kDrawPredictedPointExperiment1Point6Ms[] = {
2912     {"predicted_points", features::kDraw1Point6Ms}};
2913 const FeatureEntry::FeatureParam kDrawPredictedPointExperiment2Points3Ms[] = {
2914     {"predicted_points", features::kDraw2Points3Ms}};
2915
2916 const FeatureEntry::FeatureVariation kDrawPredictedPointVariations[] = {
2917     {flag_descriptions::kDraw1PredictedPoint12Ms,
2918      kDrawPredictedPointExperiment1Point12Ms,
2919      std::size(kDrawPredictedPointExperiment1Point12Ms), nullptr},
2920     {flag_descriptions::kDraw2PredictedPoints6Ms,
2921      kDrawPredictedPointExperiment2Points6Ms,
2922      std::size(kDrawPredictedPointExperiment2Points6Ms), nullptr},
2923     {flag_descriptions::kDraw1PredictedPoint6Ms,
2924      kDrawPredictedPointExperiment1Point6Ms,
2925      std::size(kDrawPredictedPointExperiment1Point6Ms), nullptr},
2926     {flag_descriptions::kDraw2PredictedPoints3Ms,
2927      kDrawPredictedPointExperiment2Points3Ms,
2928      std::size(kDrawPredictedPointExperiment2Points3Ms), nullptr}};
2929
2930 #if BUILDFLAG(IS_CHROMEOS_ASH)
2931 const FeatureEntry::Choice kForceControlFaceAeChoices[] = {
2932     {"Default", "", ""},
2933     {"Enable", media::switches::kForceControlFaceAe, "enable"},
2934     {"Disable", media::switches::kForceControlFaceAe, "disable"}};
2935
2936 const FeatureEntry::Choice kAutoFramingOverrideChoices[] = {
2937     {"Default", "", ""},
2938     {"Force enabled", media::switches::kAutoFramingOverride,
2939      media::switches::kAutoFramingForceEnabled},
2940     {"Force disabled", media::switches::kAutoFramingOverride,
2941      media::switches::kAutoFramingForceDisabled}};
2942 #endif
2943
2944 #if BUILDFLAG(IS_CHROMEOS_ASH)
2945 const FeatureEntry::Choice kCrostiniContainerChoices[] = {
2946     {"Default", "", ""},
2947     {"Buster", crostini::kCrostiniContainerFlag, "buster"},
2948     {"Bullseye", crostini::kCrostiniContainerFlag, "bullseye"},
2949     {"Bookworm", crostini::kCrostiniContainerFlag, "bookworm"},
2950 };
2951 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
2952
2953 #if BUILDFLAG(IS_ANDROID)
2954 // The variations of --metrics-settings-android.
2955 const FeatureEntry::FeatureParam kMetricsSettingsAndroidAlternativeOne[] = {
2956     {"fre", "1"}};
2957
2958 const FeatureEntry::FeatureParam kMetricsSettingsAndroidAlternativeTwo[] = {
2959     {"fre", "2"}};
2960
2961 const FeatureEntry::FeatureVariation kMetricsSettingsAndroidVariations[] = {
2962     {"Alternative FRE 1", kMetricsSettingsAndroidAlternativeOne,
2963      std::size(kMetricsSettingsAndroidAlternativeOne), nullptr},
2964     {"Alternative FRE 2", kMetricsSettingsAndroidAlternativeTwo,
2965      std::size(kMetricsSettingsAndroidAlternativeTwo), nullptr},
2966 };
2967 #endif  // BUILDFLAG(IS_ANDROID)
2968
2969 #if !BUILDFLAG(IS_ANDROID)
2970 // SCT Auditing feature variations.
2971 const FeatureEntry::FeatureParam kSCTAuditingSamplingRateNone[] = {
2972     {"sampling_rate", "0.0"}};
2973 const FeatureEntry::FeatureParam kSCTAuditingSamplingRateAlternativeOne[] = {
2974     {"sampling_rate", "0.0001"}};
2975 const FeatureEntry::FeatureParam kSCTAuditingSamplingRateAlternativeTwo[] = {
2976     {"sampling_rate", "0.001"}};
2977
2978 const FeatureEntry::FeatureVariation kSCTAuditingVariations[] = {
2979     {"Sampling rate 0%", kSCTAuditingSamplingRateNone,
2980      std::size(kSCTAuditingSamplingRateNone), nullptr},
2981     {"Sampling rate 0.01%", kSCTAuditingSamplingRateAlternativeOne,
2982      std::size(kSCTAuditingSamplingRateAlternativeOne), nullptr},
2983     {"Sampling rate 0.1%", kSCTAuditingSamplingRateAlternativeTwo,
2984      std::size(kSCTAuditingSamplingRateAlternativeTwo), nullptr},
2985 };
2986 #endif  // !BUILDFLAG(IS_ANDROID)
2987
2988 #if BUILDFLAG(IS_ANDROID)
2989 // The variations of ContentLanguagesInLanguagePicker.
2990 const FeatureEntry::FeatureParam
2991     kContentLanguagesInLanguagePickerDisableObservers[] = {
2992         {language::kContentLanguagesDisableObserversParam, "true"}};
2993
2994 const FeatureEntry::FeatureVariation
2995     kContentLanguagesInLanguaePickerVariations[] = {
2996         {"Without observers", kContentLanguagesInLanguagePickerDisableObservers,
2997          std::size(kContentLanguagesInLanguagePickerDisableObservers), nullptr},
2998 };
2999 #endif  // BUILDFLAG(IS_ANDROID)
3000
3001 #if BUILDFLAG(IS_ANDROID)
3002 // The variations of TranslateMessageUI
3003 const FeatureEntry::FeatureParam kTranslateMessageUISnackbar[] = {
3004     {translate::kTranslateMessageUISnackbarParam, "true"}};
3005
3006 const FeatureEntry::FeatureVariation kTranslateMessageUIVariations[] = {
3007     {"With Snackbar", kTranslateMessageUISnackbar,
3008      std::size(kTranslateMessageUISnackbar), nullptr}};
3009 #endif  // BUILDFLAG(IS_ANDROID)
3010
3011 #if BUILDFLAG(IS_CHROMEOS_ASH)
3012 const FeatureEntry::FeatureParam kProductivityLauncher_WithoutContinue[] = {
3013     {"enable_continue", "false"}};
3014
3015 const FeatureEntry::FeatureVariation kProductivityLauncherVariations[] = {
3016     {"without Continue", kProductivityLauncher_WithoutContinue,
3017      std::size(kProductivityLauncher_WithoutContinue), nullptr}};
3018
3019 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay10Mins[] = {
3020     {"long_delay_minutes", "10"}};
3021 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay12Hours[] = {
3022     {"long_delay_minutes", "720"}};
3023 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay24Hours[] = {
3024     {"long_delay_minutes", "1440"}};
3025 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay36Hours[] = {
3026     {"long_delay_minutes", "2160"}};
3027 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay48Hours[] = {
3028     {"long_delay_minutes", "2880"}};
3029 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay60Hours[] = {
3030     {"long_delay_minutes", "3600"}};
3031 const FeatureEntry::FeatureParam kLauncherItemSuggest_LongDelay72Hours[] = {
3032     {"long_delay_minutes", "4320"}};
3033
3034 const FeatureEntry::FeatureVariation kLauncherItemSuggestVariations[] = {
3035     {"with 10 minute long delay", kLauncherItemSuggest_LongDelay10Mins,
3036      std::size(kLauncherItemSuggest_LongDelay10Mins), nullptr},
3037     {"with 12 hour long delay", kLauncherItemSuggest_LongDelay12Hours,
3038      std::size(kLauncherItemSuggest_LongDelay12Hours), nullptr},
3039     {"with 24 hour long delay", kLauncherItemSuggest_LongDelay24Hours,
3040      std::size(kLauncherItemSuggest_LongDelay24Hours), nullptr},
3041     {"with 36 hour long delay", kLauncherItemSuggest_LongDelay36Hours,
3042      std::size(kLauncherItemSuggest_LongDelay36Hours), nullptr},
3043     {"with 48 hour long delay", kLauncherItemSuggest_LongDelay48Hours,
3044      std::size(kLauncherItemSuggest_LongDelay48Hours), nullptr},
3045     {"with 60 hour long delay", kLauncherItemSuggest_LongDelay60Hours,
3046      std::size(kLauncherItemSuggest_LongDelay60Hours), nullptr},
3047     {"with 72 hour long delay", kLauncherItemSuggest_LongDelay72Hours,
3048      std::size(kLauncherItemSuggest_LongDelay72Hours), nullptr}};
3049
3050 const FeatureEntry::FeatureParam kEolIncentiveOffer[] = {
3051     {"incentive_type", "offer"}};
3052 const FeatureEntry::FeatureParam kEolIncentiveNoOffer[] = {
3053     {"incentive_type", "no_offer"}};
3054
3055 const FeatureEntry::FeatureVariation kEolIncentiveVariations[] = {
3056     {"with offer", kEolIncentiveOffer, std::size(kEolIncentiveOffer), nullptr},
3057     {"with no offer", kEolIncentiveNoOffer, std::size(kEolIncentiveNoOffer),
3058      nullptr}};
3059
3060 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
3061
3062 #if BUILDFLAG(IS_CHROMEOS)
3063 constexpr char kTaskManagerEndProcessDisabledForExtensionInternalName[] =
3064     "enable-task-manager-end-process-disabled-for-extension";
3065 #endif  // BUILDFLAG(IS_CHROMEOS)
3066
3067 #if BUILDFLAG(IS_CHROMEOS_ASH)
3068 constexpr char kWallpaperFastRefreshInternalName[] = "wallpaper-fast-refresh";
3069 constexpr char kWallpaperGooglePhotosSharedAlbumsInternalName[] =
3070     "wallpaper-google-photos-shared-albums";
3071 constexpr char kWallpaperPerDeskName[] = "per-desk-wallpaper";
3072 constexpr char kTimeOfDayWallpaperInternalName[] = "time-of-day-wallpaper";
3073 constexpr char kTimeOfDayScreenSaverInternalName[] = "time-of-day-screen-saver";
3074 constexpr char kTimeOfDayDlcInternalName[] = "time-of-day-dlc";
3075 constexpr char kGlanceablesV2InternalName[] = "glanceables-v2";
3076 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
3077
3078 #if BUILDFLAG(IS_CHROMEOS_ASH)
3079 constexpr char kBorealisBigGlInternalName[] = "borealis-big-gl";
3080 constexpr char kBorealisDGPUInternalName[] = "borealis-dgpu";
3081 constexpr char kBorealisForceBetaClientInternalName[] =
3082     "borealis-force-beta-client";
3083 constexpr char kBorealisForceDoubleScaleInternalName[] =
3084     "borealis-force-double-scale";
3085 constexpr char kBorealisLinuxModeInternalName[] = "borealis-linux-mode";
3086 // This differs slightly from its symbol's name since "enabled" is used
3087 // internally to refer to whether borealis is installed or not.
3088 constexpr char kBorealisPermittedInternalName[] = "borealis-enabled";
3089 constexpr char kBorealisProvisionInternalName[] = "borealis-provision";
3090 constexpr char kBorealisWebUIInstallerInternalName[] =
3091     "borealis-web-ui-installer";
3092 constexpr char kVmPerBootShaderCacheName[] = "vm-per-boot-shader-cache";
3093 constexpr char kClipboardHistoryLongpressInternalName[] =
3094     "clipboard-history-longpress";
3095 constexpr char kClipboardHistoryRefreshInternalName[] =
3096     "clipboard-history-refresh";
3097 constexpr char kClipboardHistoryUrlTitlesInternalName[] =
3098     "clipboard-history-url-titles";
3099 constexpr char kBluetoothUseFlossInternalName[] = "bluetooth-use-floss";
3100 constexpr char kEnableSuspendToDiskInternalName[] = "enable-suspend-to-disk";
3101 constexpr char kEnableSuspendToDiskAllowS4InternalName[] =
3102     "enable-suspend-to-disk-allow-s4";
3103 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
3104
3105 #if BUILDFLAG(IS_ANDROID)
3106 const FeatureEntry::FeatureParam kBookmarksRefreshVisuals[] = {
3107     {"bookmark_visuals_enabled", "true"}};
3108 const FeatureEntry::FeatureParam kBookmarksRefreshCompactVisuals[] = {
3109     {"bookmark_visuals_enabled", "true"},
3110     {"bookmark_compact_visuals_enabled", "true"}};
3111 const FeatureEntry::FeatureParam kBookmarksRefreshAppMenu[] = {
3112     {"bookmark_in_app_menu", "true"}};
3113 const FeatureEntry::FeatureParam kBookmarksRefreshNormal[] = {
3114     {"bookmark_visuals_enabled", "true"},
3115     {"bookmark_in_app_menu", "true"}};
3116 const FeatureEntry::FeatureParam kBookmarksRefreshCompact[] = {
3117     {"bookmark_visuals_enabled", "true"},
3118     {"bookmark_compact_visuals_enabled", "true"},
3119     {"bookmark_in_app_menu", "true"}};
3120
3121 const FeatureEntry::FeatureVariation kBookmarksRefreshVariations[] = {
3122     {"(enabled w/ visuals)", kBookmarksRefreshNormal,
3123      std::size(kBookmarksRefreshNormal), nullptr},
3124     {"(enabled w/ compact visuals)", kBookmarksRefreshCompact,
3125      std::size(kBookmarksRefreshCompact), nullptr},
3126     {"(visuals only)", kBookmarksRefreshVisuals,
3127      std::size(kBookmarksRefreshVisuals), nullptr},
3128     {"(compact visuals only)", kBookmarksRefreshCompactVisuals,
3129      std::size(kBookmarksRefreshCompactVisuals), nullptr},
3130     {"(app menu item only)", kBookmarksRefreshAppMenu,
3131      std::size(kBookmarksRefreshAppMenu), nullptr}};
3132 #endif  // BUILDFLAG(IS_ANDROID)
3133
3134 const FeatureEntry::FeatureParam kLargeFaviconFromGoogle96[] = {
3135     {"favicon_size_in_dip", "96"}};
3136 const FeatureEntry::FeatureParam kLargeFaviconFromGoogle128[] = {
3137     {"favicon_size_in_dip", "128"}};
3138
3139 const FeatureEntry::FeatureVariation kLargeFaviconFromGoogleVariations[] = {
3140     {"(96dip)", kLargeFaviconFromGoogle96, std::size(kLargeFaviconFromGoogle96),
3141      nullptr},
3142     {"(128dip)", kLargeFaviconFromGoogle128,
3143      std::size(kLargeFaviconFromGoogle128), nullptr}};
3144
3145 #if BUILDFLAG(IS_ANDROID)
3146 const FeatureEntry::FeatureParam kRestoreTabsOnFRE_skipFeatureEngagement[] = {
3147     {"skip_feature_engagement", "true"}};
3148 const FeatureEntry::FeatureVariation kRestoreTabsOnFREVariations[] = {
3149     {"- skip feature engagement", kRestoreTabsOnFRE_skipFeatureEngagement,
3150      std::size(kRestoreTabsOnFRE_skipFeatureEngagement), nullptr},
3151 };
3152 #endif  // BUILDFLAG(IS_ANDROID)
3153
3154 #if BUILDFLAG(IS_ANDROID)
3155 const FeatureEntry::FeatureParam kTabStripRedesignFolio[] = {
3156     {"enable_folio", "true"}};
3157 const FeatureEntry::FeatureParam kTabStripRedesignDetached[] = {
3158     {"enable_detached", "true"}};
3159 const FeatureEntry::FeatureParam
3160     kTabStripRedesignDisableNtbAnchorAndBtnStyleFolio[] = {
3161         {"disable_ntb_anchor", "true"},
3162         {"disable_btn_style", "true"},
3163         {"enable_folio", "true"}};
3164 const FeatureEntry::FeatureParam
3165     kTabStripRedesignDisableNtbAnchorAndBtnStyleDetached[] = {
3166         {"disable_ntb_anchor", "true"},
3167         {"disable_btn_style", "true"},
3168         {"enable_detached", "true"}};
3169 const FeatureEntry::FeatureParam kTabStripRedesignDisableButtonStyleFolio[] = {
3170     {"disable_btn_style", "true"},
3171     {"enable_folio", "true"}};
3172 const FeatureEntry::FeatureParam kTabStripRedesignDisableButtonStyleDetached[] =
3173     {{"disable_btn_style", "true"}, {"enable_detached", "true"}};
3174
3175 const FeatureEntry::FeatureVariation kTabStripRedesignVariations[] = {
3176     {"Folio", kTabStripRedesignFolio, std::size(kTabStripRedesignFolio),
3177      nullptr},
3178     {"Detached", kTabStripRedesignDetached,
3179      std::size(kTabStripRedesignDetached), nullptr},
3180     {"Folio NTB Unanchored, Remove Style",
3181      kTabStripRedesignDisableNtbAnchorAndBtnStyleFolio,
3182      std::size(kTabStripRedesignDisableNtbAnchorAndBtnStyleFolio), nullptr},
3183     {"Detached NTB Unanchored, Remove Style",
3184      kTabStripRedesignDisableNtbAnchorAndBtnStyleDetached,
3185      std::size(kTabStripRedesignDisableNtbAnchorAndBtnStyleDetached), nullptr},
3186     {"Folio Remove Button Style", kTabStripRedesignDisableButtonStyleFolio,
3187      std::size(kTabStripRedesignDisableButtonStyleFolio), nullptr},
3188     {"Detached Remove Button Style",
3189      kTabStripRedesignDisableButtonStyleDetached,
3190      std::size(kTabStripRedesignDisableButtonStyleDetached), nullptr}};
3191 #endif  // BUILDFLAG(IS_ANDROID)
3192
3193 #if !BUILDFLAG(IS_ANDROID) && BUILDFLAG(GOOGLE_CHROME_BRANDING)
3194 constexpr FeatureEntry::FeatureParam kIOSPromoPasswordBubbleContextualDirect[] =
3195     {{"activation", "contextual-direct"}};
3196 constexpr FeatureEntry::FeatureParam
3197     kIOSPromoPasswordBubbleContextualIndirect[] = {
3198         {"activation", "contextual-indirect"}};
3199 constexpr FeatureEntry::FeatureParam
3200     kIOSPromoPasswordBubbleNonContextualDirect[] = {
3201         {"activation", "non-contextual-direct"}};
3202 constexpr FeatureEntry::FeatureParam
3203     kIOSPromoPasswordBubbleNonContextualIndirect[] = {
3204         {"activation", "non-contextual-indirect"}};
3205 constexpr FeatureEntry::FeatureParam kIOSPromoPasswordBubbleAlwaysShowDirect[] =
3206     {{"activation", "always-show-direct"}};
3207 constexpr FeatureEntry::FeatureParam
3208     kIOSPromoPasswordBubbleAlwaysShowIndirect[] = {
3209         {"activation", "always-show-indirect"}};
3210
3211 constexpr FeatureEntry::FeatureVariation kIOSPromoPasswordBubbleVariations[] = {
3212     {"contextual & direct activation", kIOSPromoPasswordBubbleContextualDirect,
3213      std::size(kIOSPromoPasswordBubbleContextualDirect), nullptr},
3214     {"contextual & indirect activation",
3215      kIOSPromoPasswordBubbleContextualIndirect,
3216      std::size(kIOSPromoPasswordBubbleContextualIndirect), nullptr},
3217     {"non-contextual & direct activation",
3218      kIOSPromoPasswordBubbleNonContextualDirect,
3219      std::size(kIOSPromoPasswordBubbleNonContextualDirect), nullptr},
3220     {"non-contextual & indirect activation",
3221      kIOSPromoPasswordBubbleNonContextualIndirect,
3222      std::size(kIOSPromoPasswordBubbleNonContextualIndirect), nullptr},
3223     {"always show direct activation", kIOSPromoPasswordBubbleAlwaysShowDirect,
3224      std::size(kIOSPromoPasswordBubbleAlwaysShowDirect), nullptr},
3225     {"always show indirect activation",
3226      kIOSPromoPasswordBubbleAlwaysShowIndirect,
3227      std::size(kIOSPromoPasswordBubbleAlwaysShowIndirect), nullptr}};
3228 #endif
3229
3230 const FeatureEntry::FeatureParam kUnthrottledNestedTimeout_NestingLevel = {
3231     "nesting", "15"};
3232
3233 const FeatureEntry::FeatureVariation kUnthrottledNestedTimeout_Variations[] = {
3234     {"15", &kUnthrottledNestedTimeout_NestingLevel, 1, nullptr},
3235 };
3236
3237 constexpr FeatureEntry::FeatureParam kLensFormatOptimizationWebp[] = {
3238     {"use-webp-image-search", "true"},
3239     {"use-webp-region-search", "true"},
3240     {"use-jpeg-region-search", "false"}};
3241 constexpr FeatureEntry::FeatureVariation kLensImageFormatVariations[] = {
3242     {"use Webp", kLensFormatOptimizationWebp,
3243      std::size(kLensFormatOptimizationWebp), nullptr},
3244 };
3245
3246 constexpr FeatureEntry::FeatureParam kPingLensSequentially[] = {
3247     {"ping-lens-sequentially", "true"}};
3248 constexpr FeatureEntry::FeatureParam kLensPingURL[] = {
3249     {"lens-ping-url", "https://lens.google.com/_/LensWebStandaloneUi/gen204/"}};
3250 constexpr FeatureEntry::FeatureVariation kLensPingVariations[] = {
3251     {"ping sequentially", kPingLensSequentially,
3252      std::size(kPingLensSequentially), nullptr},
3253     {"ping url", kLensPingURL, std::size(kLensPingURL), nullptr},
3254 };
3255
3256 #if BUILDFLAG(ENABLE_LENS_DESKTOP_GOOGLE_BRANDED_FEATURES)
3257 constexpr FeatureEntry::FeatureParam kCscStagingEnvVariation[] = {
3258     {"companion-homepage-url",
3259      "https://lens-staging.corp.google.com/companion"},
3260     {"companion-image-upload-url",
3261      "https://lens-staging.corp.google.com/v2/upload"}};
3262 constexpr FeatureEntry::FeatureParam kCscClobberVariation[] = {
3263     {"open-links-in-current-tab", "true"},
3264 };
3265 constexpr FeatureEntry::FeatureParam kCscNewTabVariation[] = {
3266     {"open-links-in-current-tab", "false"},
3267 };
3268
3269 constexpr FeatureEntry::FeatureVariation kSidePanelCompanionVariations[] = {
3270     {"with staging URL", kCscStagingEnvVariation,
3271      std::size(kCscStagingEnvVariation), nullptr},
3272     {"with clobber", kCscClobberVariation, std::size(kCscClobberVariation),
3273      nullptr},
3274     {"with new tab", kCscNewTabVariation, std::size(kCscNewTabVariation),
3275      nullptr},
3276 };
3277
3278 const FeatureEntry::Choice kForceCompanionPinnedStateChoices[] = {
3279     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
3280     {"Forced Pinned", companion::switches::kForceCompanionPinnedState,
3281      "pinned"},
3282     {"Forced Unpinned", companion::switches::kForceCompanionPinnedState,
3283      "unpinned"},
3284 };
3285 #endif  // BUILDFLAG(ENABLE_LENS_DESKTOP_GOOGLE_BRANDED_FEATURES)
3286
3287 #if BUILDFLAG(IS_CHROMEOS_ASH)
3288 const FeatureEntry::Choice kAlwaysEnableHdcpChoices[] = {
3289     {flag_descriptions::kAlwaysEnableHdcpDefault, "", ""},
3290     {flag_descriptions::kAlwaysEnableHdcpType0,
3291      ash::switches::kAlwaysEnableHdcp, "type0"},
3292     {flag_descriptions::kAlwaysEnableHdcpType1,
3293      ash::switches::kAlwaysEnableHdcp, "type1"},
3294 };
3295
3296 const FeatureEntry::Choice kPrintingPpdChannelChoices[] = {
3297     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
3298     {ash::switches::kPrintingPpdChannelProduction,
3299      ash::switches::kPrintingPpdChannel,
3300      ash::switches::kPrintingPpdChannelProduction},
3301     {ash::switches::kPrintingPpdChannelStaging,
3302      ash::switches::kPrintingPpdChannel,
3303      ash::switches::kPrintingPpdChannelStaging},
3304     {ash::switches::kPrintingPpdChannelDev, ash::switches::kPrintingPpdChannel,
3305      ash::switches::kPrintingPpdChannelDev},
3306     {ash::switches::kPrintingPpdChannelLocalhost,
3307      ash::switches::kPrintingPpdChannel,
3308      ash::switches::kPrintingPpdChannelLocalhost}};
3309 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
3310
3311 // Feature variations for kIsolateSandboxedIframes.
3312 #if !BUILDFLAG(IS_ANDROID)
3313 // TODO(wjmaclean): Add FeatureParams for a per-frame grouping when support
3314 // for it is added.
3315 const FeatureEntry::FeatureParam kIsolateSandboxedIframesGroupingPerSite{
3316     "grouping", "per-site"};
3317 const FeatureEntry::FeatureParam kIsolateSandboxedIframesGroupingPerOrigin{
3318     "grouping", "per-origin"};
3319 const FeatureEntry::FeatureParam kIsolateSandboxedIframesGroupingPerDocument{
3320     "grouping", "per-document"};
3321 const FeatureEntry::FeatureVariation
3322     kIsolateSandboxedIframesGroupingVariations[] = {
3323         {"with grouping by URL's site",
3324          &kIsolateSandboxedIframesGroupingPerSite, 1, nullptr},
3325         {"with grouping by URL's origin",
3326          &kIsolateSandboxedIframesGroupingPerOrigin, 1, nullptr},
3327         {"with each sandboxed frame document in its own process",
3328          &kIsolateSandboxedIframesGroupingPerDocument, 1, nullptr},
3329 };
3330 #endif  // !BUILDFLAG(IS_ANDROID)
3331
3332 const FeatureEntry::FeatureParam
3333     kServiceWorkerSkipIgnorableFetchHandler_NotSkip[] = {
3334         {"SkipEmptyFetchHandler", "false"}};
3335 const FeatureEntry::FeatureParam
3336     kServiceWorkerSkipIgnorableFetchHandler_SkipEmpty[] = {
3337         {"SkipEmptyFetchHandler", "true"}};
3338 const FeatureEntry::FeatureVariation
3339     kServiceWorkerSkipIgnorableFetchHandlerVariations[] = {
3340         {"Not Skip", kServiceWorkerSkipIgnorableFetchHandler_NotSkip,
3341          std::size(kServiceWorkerSkipIgnorableFetchHandler_NotSkip), nullptr},
3342         {"Skip Empty", kServiceWorkerSkipIgnorableFetchHandler_SkipEmpty,
3343          std::size(kServiceWorkerSkipIgnorableFetchHandler_SkipEmpty), nullptr},
3344 };
3345
3346 const FeatureEntry::FeatureParam
3347     kServiceWorkerBypassFetchHandler_MainResource[] = {
3348         {"bypass_for", "main_resource"},
3349         {"strategy", "optin"}};
3350 const FeatureEntry::FeatureParam
3351     kServiceWorkerBypassFetchHandler_RaceNetworkRequest[] = {
3352         {"bypass_for", "all_with_race_network_request"},
3353         {"strategy", "optin"}};
3354 const FeatureEntry::FeatureParam
3355     kServiceWorkerBypassFetchHandler_Subresource[] = {
3356         {"bypass_for", "sub_resource"},
3357         {"strategy", "optin"}};
3358 const FeatureEntry::FeatureVariation
3359     kServiceWorkerBypassFetchHandlerVariations[] = {
3360         {"Main Resource", kServiceWorkerBypassFetchHandler_MainResource,
3361          std::size(kServiceWorkerBypassFetchHandler_MainResource), nullptr},
3362         {"Subesource", kServiceWorkerBypassFetchHandler_Subresource,
3363          std::size(kServiceWorkerBypassFetchHandler_Subresource), nullptr},
3364         {"Race Network Request and Fetch Handler",
3365          kServiceWorkerBypassFetchHandler_RaceNetworkRequest,
3366          std::size(kServiceWorkerBypassFetchHandler_RaceNetworkRequest),
3367          nullptr},
3368 };
3369
3370 #if !BUILDFLAG(IS_ANDROID)
3371
3372 const FeatureEntry::FeatureParam
3373     kHighEfficiencyMultistateModeShowRecommendedBadge[] = {
3374         {"show_recommended_badge", "true"},
3375 };
3376 const FeatureEntry::FeatureVariation kHighEfficiencyMultistateModeVariations[] =
3377     {
3378         {"With Recommended Badge",
3379          kHighEfficiencyMultistateModeShowRecommendedBadge,
3380          std::size(kHighEfficiencyMultistateModeShowRecommendedBadge), nullptr},
3381 };
3382
3383 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithRing30Opacity[] = {
3384     {"discard_tab_treatment_option", "2"},
3385     {"discard_tab_treatment_opacity", "0.3"}};
3386 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithRing40Opacity[] = {
3387     {"discard_tab_treatment_option", "2"},
3388     {"discard_tab_treatment_opacity", "0.4"}};
3389 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithRing50Opacity[] = {
3390     {"discard_tab_treatment_option", "2"},
3391     {"discard_tab_treatment_opacity", "0.5"}};
3392 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithRing75Opacity[] = {
3393     {"discard_tab_treatment_option", "2"},
3394     {"discard_tab_treatment_opacity", "0.75"}};
3395 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithRing90Opacity[] = {
3396     {"discard_tab_treatment_option", "2"},
3397     {"discard_tab_treatment_opacity", "0.9"}};
3398 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithRing100Opacity[] = {
3399     {"discard_tab_treatment_option", "2"},
3400     {"discard_tab_treatment_opacity", "1.0"}};
3401 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithoutRing30Opacity[] =
3402     {{"discard_tab_treatment_option", "1"},
3403      {"discard_tab_treatment_opacity", "0.3"}};
3404 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithoutRing40Opacity[] =
3405     {{"discard_tab_treatment_option", "1"},
3406      {"discard_tab_treatment_opacity", "0.4"}};
3407 const FeatureEntry::FeatureParam kDiscardedTabTreatmentWithoutRing50Opacity[] =
3408     {{"discard_tab_treatment_option", "1"},
3409      {"discard_tab_treatment_opacity", "0.5"}};
3410
3411 const FeatureEntry::FeatureVariation kDiscardedTabTreatmentVariations[] = {
3412     {"With Ring and 30% Opacity", kDiscardedTabTreatmentWithRing30Opacity,
3413      std::size(kDiscardedTabTreatmentWithRing30Opacity), nullptr},
3414     {"With Ring and 40% Opacity", kDiscardedTabTreatmentWithRing40Opacity,
3415      std::size(kDiscardedTabTreatmentWithRing40Opacity), nullptr},
3416     {"With Ring and 50% Opacity", kDiscardedTabTreatmentWithRing50Opacity,
3417      std::size(kDiscardedTabTreatmentWithRing50Opacity), nullptr},
3418     {"With Ring and 75% Opacity", kDiscardedTabTreatmentWithRing75Opacity,
3419      std::size(kDiscardedTabTreatmentWithRing75Opacity), nullptr},
3420     {"With Ring and 90% Opacity", kDiscardedTabTreatmentWithRing90Opacity,
3421      std::size(kDiscardedTabTreatmentWithRing90Opacity), nullptr},
3422     {"With Ring and 100% Opacity", kDiscardedTabTreatmentWithRing100Opacity,
3423      std::size(kDiscardedTabTreatmentWithRing100Opacity), nullptr},
3424     {"Without Ring and 30% Opacity", kDiscardedTabTreatmentWithoutRing30Opacity,
3425      std::size(kDiscardedTabTreatmentWithoutRing30Opacity), nullptr},
3426     {"Without Ring and 40% Opacity", kDiscardedTabTreatmentWithoutRing40Opacity,
3427      std::size(kDiscardedTabTreatmentWithoutRing40Opacity), nullptr},
3428     {"Without Ring and 50% Opacity", kDiscardedTabTreatmentWithoutRing50Opacity,
3429      std::size(kDiscardedTabTreatmentWithoutRing50Opacity), nullptr},
3430 };
3431
3432 const FeatureEntry::FeatureParam
3433     kMemoryUsageInHovercardsUpdateTriggerVariations[] = {
3434         {"memory_update_trigger", "navigation"},
3435 };
3436 const FeatureEntry::FeatureVariation kMemoryUsageInHovercardsVariations[] = {
3437     {"With Update on Navigation",
3438      kMemoryUsageInHovercardsUpdateTriggerVariations,
3439      std::size(kMemoryUsageInHovercardsUpdateTriggerVariations), nullptr},
3440 };
3441
3442 const FeatureEntry::FeatureParam kMemorySavingsReportingFrequent[] = {
3443     // 100 * 1024 * 1024
3444     {"expanded_high_efficiency_chip_threshold_bytes", "104857600"},
3445     {"expanded_high_efficiency_chip_frequency", "2h"},
3446     {"expanded_high_efficiency_chip_discarded_duration", "1h"}};
3447
3448 const FeatureEntry::FeatureParam kMemorySavingsReportingInfrequent[] = {
3449     // 200 * 1024 * 1024
3450     {"expanded_high_efficiency_chip_threshold_bytes", "209715200"},
3451     {"expanded_high_efficiency_chip_frequency", "1d"},
3452     {"expanded_high_efficiency_chip_discarded_duration", "6h"}};
3453
3454 const FeatureEntry::FeatureParam kMemorySavingsReportingVeryFrequent[] = {
3455     // 100 * 1024 * 1024
3456     {"expanded_high_efficiency_chip_threshold_bytes", "104857600"},
3457     {"expanded_high_efficiency_chip_frequency", "5m"},
3458     {"expanded_high_efficiency_chip_discarded_duration", "5m"}};
3459
3460 const FeatureEntry::FeatureVariation
3461     kHighEfficiencyMemorySavingsReportingVariations[] = {
3462         {"With Frequent Memory Savings Reporting",
3463          kMemorySavingsReportingFrequent,
3464          std::size(kMemorySavingsReportingFrequent), nullptr},
3465         {"With Infrequent Memory Savings Reporting",
3466          kMemorySavingsReportingInfrequent,
3467          std::size(kMemorySavingsReportingInfrequent), nullptr},
3468         {"With Very Frequent Memory Savings Reporting",
3469          kMemorySavingsReportingVeryFrequent,
3470          std::size(kMemorySavingsReportingVeryFrequent), nullptr},
3471 };
3472
3473 #endif  // !BUILDFLAG(IS_ANDROID)
3474
3475 #if BUILDFLAG(IS_CHROMEOS_ASH)
3476 const FeatureEntry::FeatureParam kGalleryAppPdfEditNotificationEditAndSign[] = {
3477     {"text", "Edit and Sign"}};
3478 const FeatureEntry::FeatureParam
3479     kGalleryAppPdfEditNotificationOpenWithGalleryApp[] = {
3480         {"text", "Open with Gallery app"}};
3481 const FeatureEntry::FeatureVariation
3482     kGalleryAppPdfEditNotificationVariations[] = {
3483         {"Edit and Sign", kGalleryAppPdfEditNotificationEditAndSign,
3484          std::size(kGalleryAppPdfEditNotificationEditAndSign), nullptr},
3485         {"Open with Gallery app",
3486          kGalleryAppPdfEditNotificationOpenWithGalleryApp,
3487          std::size(kGalleryAppPdfEditNotificationOpenWithGalleryApp), nullptr}};
3488 #endif
3489
3490 #if !BUILDFLAG(IS_ANDROID)
3491 const FeatureEntry::FeatureParam kOsIntegrationSubManagersWriteConfig[] = {
3492     {"stage", "write_config"}};
3493 const FeatureEntry::FeatureParam
3494     kOsIntegrationSubManagersExecuteAndWriteConfig[] = {
3495         {"stage", "execute_and_write_config"}};
3496
3497 const FeatureEntry::FeatureVariation
3498     kOsIntegrationSubManagersConfigVariations[] = {
3499         {"Write Config only", kOsIntegrationSubManagersWriteConfig,
3500          std::size(kOsIntegrationSubManagersWriteConfig), nullptr},
3501         {"Execute and Write Config",
3502          kOsIntegrationSubManagersExecuteAndWriteConfig,
3503          std::size(kOsIntegrationSubManagersExecuteAndWriteConfig), nullptr}};
3504 #endif  // !BUILDFLAG(IS_ANDROID)
3505
3506 const FeatureEntry::FeatureParam kWebRtcApmDownmixMethodAverage[] = {
3507     {"method", "average"}};
3508 const FeatureEntry::FeatureParam kWebRtcApmDownmixMethodFirstChannel[] = {
3509     {"method", "first"}};
3510 const FeatureEntry::FeatureVariation kWebRtcApmDownmixMethodVariations[] = {
3511     {"- Average all the input channels", kWebRtcApmDownmixMethodAverage,
3512      std::size(kWebRtcApmDownmixMethodAverage), nullptr},
3513     {"- Use first channel", kWebRtcApmDownmixMethodFirstChannel,
3514      std::size(kWebRtcApmDownmixMethodFirstChannel), nullptr}};
3515
3516 #if !BUILDFLAG(IS_ANDROID)
3517 const FeatureEntry::FeatureParam
3518     kSafetyCheckUnusedSitePermissionsNoDelayParam[] = {
3519         {"unused-site-permissions-no-delay-for-testing", "true"}};
3520
3521 const FeatureEntry::FeatureParam
3522     kSafetyCheckUnusedSitePermissionsWithDelayParam[] = {
3523         {"unused-site-permissions-with-delay-for-testing", "true"}};
3524
3525 const FeatureEntry::FeatureVariation
3526     kSafetyCheckUnusedSitePermissionsVariations[] = {
3527         {"for testing no delay", kSafetyCheckUnusedSitePermissionsNoDelayParam,
3528          std::size(kSafetyCheckUnusedSitePermissionsNoDelayParam), nullptr},
3529         {"for testing with delay",
3530          kSafetyCheckUnusedSitePermissionsWithDelayParam,
3531          std::size(kSafetyCheckUnusedSitePermissionsWithDelayParam), nullptr},
3532 };
3533 #endif
3534
3535 const FeatureEntry::FeatureParam
3536     kPrivacySandboxSettings4ShowSampleDataForTesting[] = {
3537         {privacy_sandbox::kPrivacySandboxSettings4ShowSampleDataForTestingName,
3538          "true"}};
3539 const FeatureEntry::FeatureParam kPrivacySandboxSettings4NoticeRequired[] = {
3540     {privacy_sandbox::kPrivacySandboxSettings4NoticeRequiredName, "true"}};
3541 const FeatureEntry::FeatureParam kPrivacySandboxSettings4ConsentRequired[] = {
3542     {privacy_sandbox::kPrivacySandboxSettings4ConsentRequiredName, "true"}};
3543 const FeatureEntry::FeatureParam kPrivacySandboxSettings4RestrictedNotice[] = {
3544     {privacy_sandbox::kPrivacySandboxSettings4RestrictedNoticeName, "true"},
3545     {privacy_sandbox::kPrivacySandboxSettings4NoticeRequiredName, "true"}};
3546 const FeatureEntry::FeatureParam
3547     kPrivacySandboxSettings4ForceShowConsentForTesting[] = {
3548         {privacy_sandbox::
3549              kPrivacySandboxSettings4ForceShowConsentForTestingName,
3550          "true"},
3551         {privacy_sandbox::kPrivacySandboxSettings4ConsentRequiredName, "true"}};
3552 const FeatureEntry::FeatureParam
3553     kPrivacySandboxSettings4ForceShowROWNoticeForTesting[] = {
3554         {privacy_sandbox::
3555              kPrivacySandboxSettings4ForceShowNoticeRowForTestingName,
3556          "true"},
3557         {privacy_sandbox::kPrivacySandboxSettings4NoticeRequiredName, "true"}};
3558 const FeatureEntry::FeatureParam
3559     kPrivacySandboxSettings4ForceShowEEANoticeForTesting[] = {
3560         {privacy_sandbox::
3561              kPrivacySandboxSettings4ForceShowNoticeEeaForTestingName,
3562          "true"},
3563         {privacy_sandbox::kPrivacySandboxSettings4ConsentRequiredName, "true"}};
3564 const FeatureEntry::FeatureParam
3565     kPrivacySandboxSettings4ForceShowRestrictedNoticeForTesting[] = {
3566         {privacy_sandbox::
3567              kPrivacySandboxSettings4ForceShowNoticeRestrictedForTestingName,
3568          "true"},
3569         {privacy_sandbox::kPrivacySandboxSettings4RestrictedNoticeName, "true"},
3570         {privacy_sandbox::kPrivacySandboxSettings4NoticeRequiredName, "true"}};
3571 const FeatureEntry::FeatureParam
3572     kPrivacySandboxSettings4ForceRestrictedUserForTesting[] = {
3573         {privacy_sandbox::kPrivacySandboxSettings4RestrictedNoticeName, "true"},
3574         {privacy_sandbox::
3575              kPrivacySandboxSettings4ForceRestrictedUserForTestingName,
3576          "true"}};
3577
3578 const FeatureEntry::FeatureVariation kPrivacySandboxSettings4Variations[] = {
3579     {"Sample Data", kPrivacySandboxSettings4ShowSampleDataForTesting,
3580      std::size(kPrivacySandboxSettings4ShowSampleDataForTesting), nullptr},
3581     {"Notice Required", kPrivacySandboxSettings4NoticeRequired,
3582      std::size(kPrivacySandboxSettings4NoticeRequired), nullptr},
3583     {"Consent Required", kPrivacySandboxSettings4ConsentRequired,
3584      std::size(kPrivacySandboxSettings4ConsentRequired), nullptr},
3585     {"Restricted notice", kPrivacySandboxSettings4RestrictedNotice,
3586      std::size(kPrivacySandboxSettings4RestrictedNotice), nullptr},
3587     {"Force show consent", kPrivacySandboxSettings4ForceShowConsentForTesting,
3588      std::size(kPrivacySandboxSettings4ForceShowConsentForTesting), nullptr},
3589     {"Force show ROW notice",
3590      kPrivacySandboxSettings4ForceShowROWNoticeForTesting,
3591      std::size(kPrivacySandboxSettings4ForceShowROWNoticeForTesting), nullptr},
3592     {"Force show EEA notice",
3593      kPrivacySandboxSettings4ForceShowEEANoticeForTesting,
3594      std::size(kPrivacySandboxSettings4ForceShowEEANoticeForTesting), nullptr},
3595     {"Force show Restricted notice",
3596      kPrivacySandboxSettings4ForceShowRestrictedNoticeForTesting,
3597      std::size(kPrivacySandboxSettings4ForceShowRestrictedNoticeForTesting),
3598      nullptr},
3599     {"Force restricted user",
3600      kPrivacySandboxSettings4ForceRestrictedUserForTesting,
3601      std::size(kPrivacySandboxSettings4ForceRestrictedUserForTesting), nullptr},
3602 };
3603
3604 const FeatureEntry::FeatureParam kTPCPhaseOutFacilitatedTestingControl1[] = {
3605     {tpcd::experiment::kForceEligibleForTestingName, "false"},
3606     {tpcd::experiment::kDisable3PCookiesName, "false"},
3607     {features::kCookieDeprecationTestingDisableAdsAPIsName, "false"},
3608     {features::kCookieDeprecationLabelName, "fake_control_1.1"},
3609     {tpcd::experiment::kVersionName, "9990"}};
3610 const FeatureEntry::FeatureParam kTPCPhaseOutFacilitatedTestingLabelOnly[] = {
3611     {tpcd::experiment::kForceEligibleForTestingName, "false"},
3612     {tpcd::experiment::kDisable3PCookiesName, "false"},
3613     {features::kCookieDeprecationTestingDisableAdsAPIsName, "false"},
3614     {features::kCookieDeprecationLabelName, "fake_label_only_1.1"},
3615     {tpcd::experiment::kVersionName, "9991"}};
3616 const FeatureEntry::FeatureParam kTPCPhaseOutFacilitatedTestingTreatment[] = {
3617     {tpcd::experiment::kForceEligibleForTestingName, "false"},
3618     {tpcd::experiment::kDisable3PCookiesName, "true"},
3619     {features::kCookieDeprecationTestingDisableAdsAPIsName, "false"},
3620     {features::kCookieDeprecationLabelName, "fake_treatment_1.1"},
3621     {tpcd::experiment::kVersionName, "9992"}};
3622 const FeatureEntry::FeatureParam kTPCPhaseOutFacilitatedTestingControl2[] = {
3623     {tpcd::experiment::kForceEligibleForTestingName, "false"},
3624     {tpcd::experiment::kDisable3PCookiesName, "true"},
3625     {features::kCookieDeprecationTestingDisableAdsAPIsName, "true"},
3626     {features::kCookieDeprecationLabelName, "fake_control_2"},
3627     {tpcd::experiment::kVersionName, "9993"}};
3628 const FeatureEntry::FeatureParam kTPCPhaseOutFacilitatedTestingForceControl1[] =
3629     {{tpcd::experiment::kForceEligibleForTestingName, "true"},
3630      {tpcd::experiment::kDisable3PCookiesName, "false"},
3631      {features::kCookieDeprecationTestingDisableAdsAPIsName, "false"},
3632      {features::kCookieDeprecationLabelName, "fake_control_1.1"},
3633      {tpcd::experiment::kVersionName, "9994"}};
3634 const FeatureEntry::FeatureParam
3635     kTPCPhaseOutFacilitatedTestingForceLabelOnly[] = {
3636         {tpcd::experiment::kForceEligibleForTestingName, "true"},
3637         {tpcd::experiment::kDisable3PCookiesName, "false"},
3638         {features::kCookieDeprecationTestingDisableAdsAPIsName, "false"},
3639         {features::kCookieDeprecationLabelName, "fake_label_only_1.1"},
3640         {tpcd::experiment::kVersionName, "9995"}};
3641 const FeatureEntry::FeatureParam
3642     kTPCPhaseOutFacilitatedTestingForceTreatment[] = {
3643         {tpcd::experiment::kForceEligibleForTestingName, "true"},
3644         {tpcd::experiment::kDisable3PCookiesName, "true"},
3645         {features::kCookieDeprecationTestingDisableAdsAPIsName, "false"},
3646         {features::kCookieDeprecationLabelName, "fake_treatment_1.1"},
3647         {tpcd::experiment::kVersionName, "9996"}};
3648 const FeatureEntry::FeatureParam kTPCPhaseOutFacilitatedTestingForceControl2[] =
3649     {{tpcd::experiment::kForceEligibleForTestingName, "true"},
3650      {tpcd::experiment::kDisable3PCookiesName, "true"},
3651      {features::kCookieDeprecationTestingDisableAdsAPIsName, "true"},
3652      {features::kCookieDeprecationLabelName, "fake_control_2"},
3653      {tpcd::experiment::kVersionName, "9997"}};
3654
3655 const FeatureEntry::FeatureVariation
3656     kTPCPhaseOutFacilitatedTestingVariations[] = {
3657         {"Control 1", kTPCPhaseOutFacilitatedTestingControl1,
3658          std::size(kTPCPhaseOutFacilitatedTestingControl1), nullptr},
3659         {"LabelOnly", kTPCPhaseOutFacilitatedTestingLabelOnly,
3660          std::size(kTPCPhaseOutFacilitatedTestingLabelOnly), nullptr},
3661         {"Treatment", kTPCPhaseOutFacilitatedTestingTreatment,
3662          std::size(kTPCPhaseOutFacilitatedTestingTreatment), nullptr},
3663         {"Control 2", kTPCPhaseOutFacilitatedTestingControl2,
3664          std::size(kTPCPhaseOutFacilitatedTestingControl2), nullptr},
3665         {"Force Control 1", kTPCPhaseOutFacilitatedTestingForceControl1,
3666          std::size(kTPCPhaseOutFacilitatedTestingForceControl1), nullptr},
3667         {"Force LabelOnly", kTPCPhaseOutFacilitatedTestingForceLabelOnly,
3668          std::size(kTPCPhaseOutFacilitatedTestingForceLabelOnly), nullptr},
3669         {"Force Treatment", kTPCPhaseOutFacilitatedTestingForceTreatment,
3670          std::size(kTPCPhaseOutFacilitatedTestingForceTreatment), nullptr},
3671         {"Force Control 2", kTPCPhaseOutFacilitatedTestingForceControl2,
3672          std::size(kTPCPhaseOutFacilitatedTestingForceControl2), nullptr},
3673 };
3674
3675 const FeatureEntry::FeatureParam kTpcdHeuristicsGrantsControl[] = {
3676     {content_settings::features::kTpcdReadHeuristicsGrantsName, "false"}};
3677 const FeatureEntry::FeatureParam kTpcdHeuristicsGrantsCurrentInteraction[] = {
3678     {content_settings::features::kTpcdReadHeuristicsGrantsName, "true"},
3679     {tpcd::experiment::kTpcdWritePopupCurrentInteractionHeuristicsGrantsName,
3680      "30d"}};
3681 const FeatureEntry::FeatureParam
3682     kTpcdHeuristicsGrantsCurrentInteractionWithBackfill[] = {
3683         {content_settings::features::kTpcdReadHeuristicsGrantsName, "true"},
3684         {tpcd::experiment::
3685              kTpcdWritePopupCurrentInteractionHeuristicsGrantsName,
3686          "30d"},
3687         {tpcd::experiment::kTpcdBackfillPopupHeuristicsGrantsName, "30d"}};
3688
3689 const FeatureEntry::FeatureVariation kTpcdHeuristicsGrantsVariations[] = {
3690     {"Control", kTpcdHeuristicsGrantsControl,
3691      std::size(kTpcdHeuristicsGrantsControl), nullptr},
3692     {"Current Interaction", kTpcdHeuristicsGrantsCurrentInteraction,
3693      std::size(kTpcdHeuristicsGrantsCurrentInteraction), nullptr},
3694     {"Current Interaction With Backfill",
3695      kTpcdHeuristicsGrantsCurrentInteractionWithBackfill,
3696      std::size(kTpcdHeuristicsGrantsCurrentInteractionWithBackfill), nullptr}};
3697
3698 #if BUILDFLAG(IS_CHROMEOS_ASH)
3699 const FeatureEntry::FeatureParam kVcSegmentationModelHighResolution[] = {
3700     {"segmentation_model", "high_resolution"},
3701 };
3702
3703 const FeatureEntry::FeatureParam kVcSegmentationModelLowerResolution[] = {
3704     {"segmentation_model", "lower_resolution"},
3705 };
3706
3707 const FeatureEntry::FeatureVariation kVcSegmentationModelVariations[] = {
3708     {"High resolution model", kVcSegmentationModelHighResolution,
3709      std::size(kVcSegmentationModelHighResolution), nullptr},
3710     {"Lower resolution model", kVcSegmentationModelLowerResolution,
3711      std::size(kVcSegmentationModelLowerResolution), nullptr},
3712 };
3713
3714 const FeatureEntry::FeatureParam kVcLightIntensity10[] = {
3715     {"light_intensity", "1.0"},
3716 };
3717
3718 const FeatureEntry::FeatureParam kVcLightIntensity13[] = {
3719     {"light_intensity", "1.3"},
3720 };
3721
3722 const FeatureEntry::FeatureParam kVcLightIntensity15[] = {
3723     {"light_intensity", "1.5"},
3724 };
3725
3726 const FeatureEntry::FeatureParam kVcLightIntensity17[] = {
3727     {"light_intensity", "1.7"},
3728 };
3729
3730 const FeatureEntry::FeatureParam kVcLightIntensity18[] = {
3731     {"light_intensity", "1.8"},
3732 };
3733
3734 const FeatureEntry::FeatureParam kVcLightIntensity20[] = {
3735     {"light_intensity", "2.0"},
3736 };
3737
3738 const FeatureEntry::FeatureVariation kVcLightIntensityVariations[] = {
3739     {"1.0", kVcLightIntensity10, std::size(kVcLightIntensity10), nullptr},
3740     {"1.3", kVcLightIntensity13, std::size(kVcLightIntensity13), nullptr},
3741     {"1.5", kVcLightIntensity15, std::size(kVcLightIntensity15), nullptr},
3742     {"1.7", kVcLightIntensity17, std::size(kVcLightIntensity17), nullptr},
3743     {"1.8", kVcLightIntensity18, std::size(kVcLightIntensity18), nullptr},
3744     {"2.0", kVcLightIntensity20, std::size(kVcLightIntensity20), nullptr},
3745 };
3746
3747 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
3748
3749 #if BUILDFLAG(IS_CHROMEOS_ASH)
3750 const FeatureEntry::FeatureParam
3751     kCrOSLateBootMissiveDisableStorageDegradation[] = {
3752         {"controlled_degradation", "false"}};
3753 const FeatureEntry::FeatureParam
3754     kCrOSLateBootMissiveEnableStorageDegradation[] = {
3755         {"controlled_degradation", "true"}};
3756 const FeatureEntry::FeatureParam kCrOSLateBootMissiveDisableLegacyStorage[] = {
3757     {"legacy_storage_enabled",
3758      "UNDEFINED_PRIORITY"}};  // All others are multi-generation action state.
3759 const FeatureEntry::FeatureParam kCrOSLateBootMissiveEnableLegacyStorage[] = {
3760     {"legacy_storage_enabled",
3761      "SECURITY,"
3762      "IMMEDIATE,"
3763      "FAST_BATCH,"
3764      "SLOW_BATCH,"
3765      "BACKGROUND_BATCH,"
3766      "MANUAL_BATCH,"
3767      "MANUAL_BATCH_LACROS,"}};
3768 const FeatureEntry::FeatureParam kCrOSLateBootMissivePartialLegacyStorage[] = {
3769     {"legacy_storage_enabled",
3770      "SECURITY,"
3771      "IMMEDIATE,"}};
3772 const FeatureEntry::FeatureParam kCrOSLateBootMissiveSecurityLegacyStorage[] = {
3773     {"legacy_storage_enabled", "SECURITY,"}};
3774
3775 const FeatureEntry::FeatureVariation
3776     kCrOSLateBootMissiveStorageDefaultVariations[] = {
3777         {"Enable storage degradation",
3778          kCrOSLateBootMissiveEnableStorageDegradation,
3779          std::size(kCrOSLateBootMissiveEnableStorageDegradation), nullptr},
3780         {"Disable storage degradation",
3781          kCrOSLateBootMissiveDisableStorageDegradation,
3782          std::size(kCrOSLateBootMissiveDisableStorageDegradation), nullptr},
3783         {"Enable all queues legacy", kCrOSLateBootMissiveEnableLegacyStorage,
3784          std::size(kCrOSLateBootMissiveEnableLegacyStorage), nullptr},
3785         {"Disable all queues legacy", kCrOSLateBootMissiveDisableLegacyStorage,
3786          std::size(kCrOSLateBootMissiveDisableLegacyStorage), nullptr},
3787         {"Enable SECURITY and IMMEDIATE queues legacy only",
3788          kCrOSLateBootMissivePartialLegacyStorage,
3789          std::size(kCrOSLateBootMissivePartialLegacyStorage), nullptr},
3790         {"Enable SECURITY queues legacy only",
3791          kCrOSLateBootMissiveSecurityLegacyStorage,
3792          std::size(kCrOSLateBootMissiveSecurityLegacyStorage), nullptr},
3793 };
3794 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
3795
3796 #if !BUILDFLAG(IS_ANDROID)
3797 const FeatureEntry::Choice kCastMirroringTargetPlayoutDelayChoices[] = {
3798     {flag_descriptions::kCastMirroringTargetPlayoutDelayDefault, "", ""},
3799     {flag_descriptions::kCastMirroringTargetPlayoutDelay100ms,
3800      switches::kCastMirroringTargetPlayoutDelay, "100"},
3801     {flag_descriptions::kCastMirroringTargetPlayoutDelay150ms,
3802      switches::kCastMirroringTargetPlayoutDelay, "150"},
3803     {flag_descriptions::kCastMirroringTargetPlayoutDelay200ms,
3804      switches::kCastMirroringTargetPlayoutDelay, "200"},
3805     {flag_descriptions::kCastMirroringTargetPlayoutDelay250ms,
3806      switches::kCastMirroringTargetPlayoutDelay, "250"},
3807     {flag_descriptions::kCastMirroringTargetPlayoutDelay300ms,
3808      switches::kCastMirroringTargetPlayoutDelay, "300"},
3809     {flag_descriptions::kCastMirroringTargetPlayoutDelay350ms,
3810      switches::kCastMirroringTargetPlayoutDelay, "350"}};
3811
3812 #endif  // !BUILDFLAG(IS_ANDROID)
3813
3814 #if !BUILDFLAG(IS_ANDROID)
3815 const FeatureEntry::FeatureParam kPasswordGenerationTrustedAdvice[] = {
3816     {password_manager::features::kPasswordGenerationExperimentVariationParam
3817          .name,
3818      password_manager::features::kPasswordGenerationExperimentVariationOption[0]
3819          .name}};
3820 const FeatureEntry::FeatureParam kPasswordGenerationSafetyFirst[] = {
3821     {password_manager::features::kPasswordGenerationExperimentVariationParam
3822          .name,
3823      password_manager::features::kPasswordGenerationExperimentVariationOption[1]
3824          .name}};
3825 const FeatureEntry::FeatureParam kPasswordGenerationTrySomethingNew[] = {
3826     {password_manager::features::kPasswordGenerationExperimentVariationParam
3827          .name,
3828      password_manager::features::kPasswordGenerationExperimentVariationOption[2]
3829          .name}};
3830 const FeatureEntry::FeatureParam kPasswordGenerationConvenience[] = {
3831     {password_manager::features::kPasswordGenerationExperimentVariationParam
3832          .name,
3833      password_manager::features::kPasswordGenerationExperimentVariationOption[3]
3834          .name}};
3835 const FeatureEntry::FeatureParam kPasswordGenerationCrossDevice[] = {
3836     {password_manager::features::kPasswordGenerationExperimentVariationParam
3837          .name,
3838      password_manager::features::kPasswordGenerationExperimentVariationOption[4]
3839          .name}};
3840 const FeatureEntry::FeatureParam kPasswordGenerationEditPassword[] = {
3841     {password_manager::features::kPasswordGenerationExperimentVariationParam
3842          .name,
3843      password_manager::features::kPasswordGenerationExperimentVariationOption[5]
3844          .name}};
3845 const FeatureEntry::FeatureParam kPasswordGenerationChunkPassword[] = {
3846     {password_manager::features::kPasswordGenerationExperimentVariationParam
3847          .name,
3848      password_manager::features::kPasswordGenerationExperimentVariationOption[6]
3849          .name}};
3850 const FeatureEntry::FeatureParam kPasswordGenerationNudgePassword[] = {
3851     {password_manager::features::kPasswordGenerationExperimentVariationParam
3852          .name,
3853      password_manager::features::kPasswordGenerationExperimentVariationOption[7]
3854          .name}};
3855
3856 const FeatureEntry::FeatureVariation kPasswordGenerationExperimentVariations[] =
3857     {
3858         {"Trusted advice", kPasswordGenerationTrustedAdvice,
3859          std::size(kPasswordGenerationTrustedAdvice), nullptr},
3860         {"Safety first", kPasswordGenerationSafetyFirst,
3861          std::size(kPasswordGenerationSafetyFirst), nullptr},
3862         {"Try something new", kPasswordGenerationTrySomethingNew,
3863          std::size(kPasswordGenerationTrySomethingNew), nullptr},
3864         {"Convenience", kPasswordGenerationConvenience,
3865          std::size(kPasswordGenerationConvenience), nullptr},
3866         {"Cross device", kPasswordGenerationCrossDevice,
3867          std::size(kPasswordGenerationCrossDevice), nullptr},
3868         {"Edit password", kPasswordGenerationEditPassword,
3869          std::size(kPasswordGenerationEditPassword), nullptr},
3870         {"Chunk password", kPasswordGenerationChunkPassword,
3871          std::size(kPasswordGenerationChunkPassword), nullptr},
3872         {"Nudge password", kPasswordGenerationNudgePassword,
3873          std::size(kPasswordGenerationNudgePassword), nullptr},
3874 };
3875 #endif  // !BUILDFLAG(IS_ANDROID)
3876
3877 #if BUILDFLAG(ENABLE_BOUND_SESSION_CREDENTIALS)
3878 const FeatureEntry::FeatureParam kEnableBoundSessionCredentialsWithDice[] = {
3879     {"dice-support", "enabled"}};
3880
3881 const FeatureEntry::FeatureVariation
3882     kEnableBoundSessionCredentialsVariations[] = {
3883         {"including DICE profiles", kEnableBoundSessionCredentialsWithDice,
3884          std::size(kEnableBoundSessionCredentialsWithDice), nullptr}};
3885 #endif  // BUILDFLAG(ENABLE_BOUND_SESSION_CREDENTIALS)
3886
3887 #if BUILDFLAG(IS_ANDROID)
3888 const FeatureEntry::FeatureParam kWebAuthnAndroidCredManGpmInCredManParam = {
3889     device::kWebAuthnAndroidGpmInCredMan.name, "true"};
3890 const FeatureEntry::FeatureParam kWebAuthnAndroidCredManGpmNotInCredManParam = {
3891     device::kWebAuthnAndroidGpmInCredMan.name, "false"};
3892 const FeatureEntry::FeatureVariation kWebAuthnAndroidCredManVariations[] = {
3893     {"for Google Password Manager and 3rd party passkeys",
3894      &kWebAuthnAndroidCredManGpmInCredManParam, 1, nullptr},
3895     {"for 3rd party passkeys", &kWebAuthnAndroidCredManGpmNotInCredManParam, 1,
3896      nullptr}};
3897
3898 const FeatureEntry::FeatureParam kHubPhase1WithFab[] = {
3899     {"floating_action_button", "true"}};
3900 const FeatureEntry::FeatureParam kHubPhase1WithoutFab[] = {
3901     {"floating_action_button", "false"}};
3902 const FeatureEntry::FeatureParam kHubPhase2WithIcons[] = {
3903     {"floating_action_button", "true"},
3904     {"supports_other_tabs", "true"}};
3905 const FeatureEntry::FeatureParam kHubPhase2WithText[] = {
3906     {"floating_action_button", "true"},
3907     {"pane_switcher_uses_text", "true"},
3908     {"supports_other_tabs", "true"}};
3909 const FeatureEntry::FeatureParam kHubPhase3[] = {
3910     {"floating_action_button", "true"},
3911     {"pane_switcher_uses_text", "true"},
3912     {"supports_other_tabs", "true"},
3913     {"supports_search", "true"}};
3914 const FeatureEntry::FeatureParam kHubPhase4[] = {
3915     {"floating_action_button", "true"},
3916     {"pane_switcher_uses_text", "true"},
3917     {"supports_other_tabs", "true"},
3918     {"supports_search", "true"},
3919     {"supports_bookmarks", "true"}};
3920
3921 const FeatureEntry::FeatureVariation kAndroidHubVariations[] = {
3922     {"Phase 1 w/ FAB", kHubPhase1WithFab, std::size(kHubPhase1WithFab),
3923      nullptr},
3924     {"Phase 1 w/o FAB", kHubPhase1WithoutFab, std::size(kHubPhase1WithoutFab),
3925      nullptr},
3926     {"Phase 2 w/ Icons", kHubPhase2WithIcons, std::size(kHubPhase2WithIcons),
3927      nullptr},
3928     {"Phase 2 w/ Text", kHubPhase2WithText, std::size(kHubPhase2WithText),
3929      nullptr},
3930     {"Phase 3", kHubPhase3, std::size(kHubPhase3), nullptr},
3931     {"Phase 4", kHubPhase4, std::size(kHubPhase4), nullptr}};
3932 #endif  // BUILDFLAG(IS_ANDROID)
3933
3934 const flags_ui::FeatureEntry::FeatureParam kParcelTrackingTestDataDelivered[] =
3935     {{commerce::kParcelTrackingTestDataParam,
3936       commerce::kParcelTrackingTestDataParamDelivered}};
3937 const flags_ui::FeatureEntry::FeatureParam kParcelTrackingTestDataInProgress[] =
3938     {{commerce::kParcelTrackingTestDataParam,
3939       commerce::kParcelTrackingTestDataParamInProgress}};
3940 const flags_ui::FeatureEntry::FeatureParam
3941     kParcelTrackingTestDataOutForDelivery[] = {
3942         {commerce::kParcelTrackingTestDataParam,
3943          commerce::kParcelTrackingTestDataParamOutForDelivery}};
3944 const flags_ui::FeatureEntry::FeatureVariation
3945     kParcelTrackingTestDataVariations[] = {
3946         {"Delivered", kParcelTrackingTestDataDelivered,
3947          std::size(kParcelTrackingTestDataDelivered), nullptr},
3948         {"In progress", kParcelTrackingTestDataInProgress,
3949          std::size(kParcelTrackingTestDataInProgress), nullptr},
3950         {"Out for delivery", kParcelTrackingTestDataOutForDelivery,
3951          std::size(kParcelTrackingTestDataOutForDelivery), nullptr},
3952 };
3953
3954 // RECORDING USER METRICS FOR FLAGS:
3955 // -----------------------------------------------------------------------------
3956 // The first line of the entry is the internal name.
3957 //
3958 // To add a new entry, add to the end of kFeatureEntries. There are two
3959 // distinct types of entries:
3960 // . SINGLE_VALUE: entry is either on or off. Use the SINGLE_VALUE_TYPE
3961 //   macro for this type supplying the command line to the macro.
3962 // . MULTI_VALUE: a list of choices, the first of which should correspond to a
3963 //   deactivated state for this lab (i.e. no command line option). To specify
3964 //   this type of entry use the macro MULTI_VALUE_TYPE supplying it the
3965 //   array of choices.
3966 // See the documentation of FeatureEntry for details on the fields.
3967 //
3968 // Usage of about:flags is logged on startup via the "Launch.FlagsAtStartup"
3969 // UMA histogram. This histogram shows the number of startups with a given flag
3970 // enabled. If you'd like to see user counts instead, make sure to switch to
3971 // "count users" view on the dashboard. When adding new entries, the enum
3972 // "LoginCustomFlags" must be updated in histograms/enums.xml. See note in
3973 // enums.xml and don't forget to run AboutFlagsHistogramTest unit test to
3974 // calculate and verify checksum.
3975 //
3976 // When adding a new choice, add it to the end of the list.
3977 const FeatureEntry kFeatureEntries[] = {
3978 // Include generated flags for flag unexpiry; see //docs/flag_expiry.md and
3979 // //tools/flags/generate_unexpire_flags.py.
3980 #include "build/chromeos_buildflags.h"
3981 #include "chrome/browser/unexpire_flags_gen.inc"
3982     {variations::switches::kEnableBenchmarking,
3983      flag_descriptions::kEnableBenchmarkingName,
3984      flag_descriptions::kEnableBenchmarkingDescription, kOsAll,
3985      SINGLE_VALUE_TYPE(variations::switches::kEnableBenchmarking)},
3986     {"ignore-gpu-blocklist", flag_descriptions::kIgnoreGpuBlocklistName,
3987      flag_descriptions::kIgnoreGpuBlocklistDescription, kOsAll,
3988      SINGLE_VALUE_TYPE(switches::kIgnoreGpuBlocklist)},
3989     {"disable-accelerated-2d-canvas",
3990      flag_descriptions::kAccelerated2dCanvasName,
3991      flag_descriptions::kAccelerated2dCanvasDescription, kOsAll,
3992      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAccelerated2dCanvas)},
3993     {"overlay-strategies", flag_descriptions::kOverlayStrategiesName,
3994      flag_descriptions::kOverlayStrategiesDescription, kOsAll,
3995      MULTI_VALUE_TYPE(kOverlayStrategiesChoices)},
3996     {"tint-composited-content", flag_descriptions::kTintCompositedContentName,
3997      flag_descriptions::kTintCompositedContentDescription, kOsAll,
3998      SINGLE_VALUE_TYPE(switches::kTintCompositedContent)},
3999     {"show-overdraw-feedback", flag_descriptions::kShowOverdrawFeedbackName,
4000      flag_descriptions::kShowOverdrawFeedbackDescription, kOsAll,
4001      SINGLE_VALUE_TYPE(switches::kShowOverdrawFeedback)},
4002     {"ui-disable-partial-swap", flag_descriptions::kUiPartialSwapName,
4003      flag_descriptions::kUiPartialSwapDescription, kOsAll,
4004      SINGLE_DISABLE_VALUE_TYPE(switches::kUIDisablePartialSwap)},
4005     {"disable-webrtc-hw-decoding", flag_descriptions::kWebrtcHwDecodingName,
4006      flag_descriptions::kWebrtcHwDecodingDescription, kOsAndroid | kOsCrOS,
4007      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableWebRtcHWDecoding)},
4008     {"disable-webrtc-hw-encoding", flag_descriptions::kWebrtcHwEncodingName,
4009      flag_descriptions::kWebrtcHwEncodingDescription, kOsAndroid | kOsCrOS,
4010      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableWebRtcHWEncoding)},
4011 #if !BUILDFLAG(IS_ANDROID)
4012     {"enable-reader-mode", flag_descriptions::kEnableReaderModeName,
4013      flag_descriptions::kEnableReaderModeDescription, kOsDesktop,
4014      FEATURE_WITH_PARAMS_VALUE_TYPE(dom_distiller::kReaderMode,
4015                                     kReaderModeDiscoverabilityVariations,
4016                                     "ReaderMode")},
4017 #endif  // !BUILDFLAG(IS_ANDROID)
4018 #if defined(WEBRTC_USE_PIPEWIRE)
4019     {"enable-webrtc-pipewire-capturer",
4020      flag_descriptions::kWebrtcPipeWireCapturerName,
4021      flag_descriptions::kWebrtcPipeWireCapturerDescription, kOsLinux,
4022      FEATURE_VALUE_TYPE(features::kWebRtcPipeWireCapturer)},
4023 #endif  // defined(WEBRTC_USE_PIPEWIRE)
4024 #if BUILDFLAG(IS_CHROMEOS_ASH)
4025     {"enable-lacros-in-chrome-kiosk",
4026      flag_descriptions::kChromeKioskEnableLacrosName,
4027      flag_descriptions::kChromeKioskEnableLacrosDescription, kOsCrOS,
4028      FEATURE_VALUE_TYPE(
4029          ash::standalone_browser::features::kChromeKioskEnableLacros)},
4030     {"enable-lacros-in-web-kiosk", flag_descriptions::kWebKioskEnableLacrosName,
4031      flag_descriptions::kWebKioskEnableLacrosDescription, kOsCrOS,
4032      FEATURE_VALUE_TYPE(
4033          ash::standalone_browser::features::kWebKioskEnableLacros)},
4034 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
4035 #if BUILDFLAG(IS_CHROMEOS)
4036     {"enable-app-service-in-kiosk",
4037      flag_descriptions::kKioskEnableAppServiceName,
4038      flag_descriptions::kKioskEnableAppServiceDescription, kOsCrOS,
4039      FEATURE_VALUE_TYPE(features::kKioskEnableAppService)},
4040 #endif  // BUILDFLAG(IS_CHROMEOS)
4041 #if !BUILDFLAG(IS_ANDROID)
4042     {"enable-webrtc-remote-event-log",
4043      flag_descriptions::kWebRtcRemoteEventLogName,
4044      flag_descriptions::kWebRtcRemoteEventLogDescription, kOsDesktop,
4045      FEATURE_VALUE_TYPE(features::kWebRtcRemoteEventLog)},
4046 #endif
4047     {"enable-webrtc-allow-input-volume-adjustment",
4048      flag_descriptions::kWebRtcAllowInputVolumeAdjustmentName,
4049      flag_descriptions::kWebRtcAllowInputVolumeAdjustmentDescription,
4050      kOsWin | kOsMac | kOsLinux,
4051      FEATURE_VALUE_TYPE(features::kWebRtcAllowInputVolumeAdjustment)},
4052     {"enable-webrtc-apm-downmix-capture-audio-method",
4053      flag_descriptions::kWebRtcApmDownmixCaptureAudioMethodName,
4054      flag_descriptions::kWebRtcApmDownmixCaptureAudioMethodDescription,
4055      kOsDesktop,
4056      FEATURE_WITH_PARAMS_VALUE_TYPE(
4057          features::kWebRtcApmDownmixCaptureAudioMethod,
4058          kWebRtcApmDownmixMethodVariations,
4059          "WebRtcApmDownmixCaptureAudioMethod")},
4060     {"enable-webrtc-hide-local-ips-with-mdns",
4061      flag_descriptions::kWebrtcHideLocalIpsWithMdnsName,
4062      flag_descriptions::kWebrtcHideLocalIpsWithMdnsDecription, kOsDesktop,
4063      FEATURE_VALUE_TYPE(blink::features::kWebRtcHideLocalIpsWithMdns)},
4064     {"enable-webrtc-use-min-max-vea-dimensions",
4065      flag_descriptions::kWebrtcUseMinMaxVEADimensionsName,
4066      flag_descriptions::kWebrtcUseMinMaxVEADimensionsDescription, kOsAll,
4067      FEATURE_VALUE_TYPE(blink::features::kWebRtcUseMinMaxVEADimensions)},
4068 #if BUILDFLAG(ENABLE_NACL)
4069     {"enable-nacl", flag_descriptions::kNaclName,
4070      flag_descriptions::kNaclDescription, kOsAll,
4071      SINGLE_VALUE_TYPE(switches::kEnableNaCl)},
4072     {"verbose-logging-in-nacl", flag_descriptions::kVerboseLoggingInNaclName,
4073      flag_descriptions::kVerboseLoggingInNaclDescription, kOsAll,
4074      MULTI_VALUE_TYPE(kVerboseLoggingInNaclChoices)},
4075 #endif  // ENABLE_NACL
4076 #if BUILDFLAG(ENABLE_CARDBOARD)
4077     {"enable-cardboard", flag_descriptions::kEnableCardboardName,
4078      flag_descriptions::kEnableCardboardDescription, kOsAndroid,
4079      FEATURE_VALUE_TYPE(device::features::kEnableCardboard)},
4080 #endif  // ENABLE_CARDBOARD
4081 #if BUILDFLAG(ENABLE_EXTENSIONS)
4082     {"extensions-on-chrome-urls",
4083      flag_descriptions::kExtensionsOnChromeUrlsName,
4084      flag_descriptions::kExtensionsOnChromeUrlsDescription, kOsAll,
4085      SINGLE_VALUE_TYPE(extensions::switches::kExtensionsOnChromeURLs)},
4086 #endif  // ENABLE_EXTENSIONS
4087 #if BUILDFLAG(IS_ANDROID)
4088     {"contextual-search-force-caption",
4089      flag_descriptions::kContextualSearchForceCaptionName,
4090      flag_descriptions::kContextualSearchForceCaptionDescription, kOsAndroid,
4091      FEATURE_VALUE_TYPE(chrome::android::kContextualSearchForceCaption)},
4092     {"contextual-search-suppress-short-view",
4093      flag_descriptions::kContextualSearchSuppressShortViewName,
4094      flag_descriptions::kContextualSearchSuppressShortViewDescription,
4095      kOsAndroid,
4096      FEATURE_WITH_PARAMS_VALUE_TYPE(
4097          chrome::android::kContextualSearchSuppressShortView,
4098          kContextualSearchSuppressShortViewVariations,
4099          "ContextualSearchSuppressShortView")},
4100     {"related-searches", flag_descriptions::kRelatedSearchesName,
4101      flag_descriptions::kRelatedSearchesDescription, kOsAndroid,
4102      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kRelatedSearches,
4103                                     kRelatedSearchesVariations,
4104                                     "RelatedSearches")},
4105 #endif  // BUILDFLAG(IS_ANDROID)
4106     {"show-autofill-type-predictions",
4107      flag_descriptions::kShowAutofillTypePredictionsName,
4108      flag_descriptions::kShowAutofillTypePredictionsDescription, kOsAll,
4109      FEATURE_VALUE_TYPE(
4110          autofill::features::test::kAutofillShowTypePredictions)},
4111     {"autofill-undo", flag_descriptions::kUndoAutofillName,
4112      flag_descriptions::kUndoAutofillDescription, kOsAll,
4113      FEATURE_VALUE_TYPE(autofill::features::kAutofillUndo)},
4114     {"autofill-more-prominent-popup",
4115      flag_descriptions::kAutofillMoreProminentPopupName,
4116      flag_descriptions::kAutofillMoreProminentPopupDescription, kOsDesktop,
4117      FEATURE_VALUE_TYPE(autofill::features::kAutofillMoreProminentPopup)},
4118     {"smooth-scrolling", flag_descriptions::kSmoothScrollingName,
4119      flag_descriptions::kSmoothScrollingDescription,
4120      // Mac has a separate implementation with its own setting to disable.
4121      kOsLinux | kOsLacros | kOsCrOS | kOsWin | kOsAndroid | kOsFuchsia,
4122      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSmoothScrolling,
4123                                switches::kDisableSmoothScrolling)},
4124     {"fractional-scroll-offsets",
4125      flag_descriptions::kFractionalScrollOffsetsName,
4126      flag_descriptions::kFractionalScrollOffsetsDescription, kOsAll,
4127      FEATURE_VALUE_TYPE(features::kFractionalScrollOffsets)},
4128 #if defined(USE_AURA)
4129     {"overlay-scrollbars", flag_descriptions::kOverlayScrollbarsName,
4130      flag_descriptions::kOverlayScrollbarsDescription,
4131      // Uses the system preference on Mac (a different implementation).
4132      // On Android, this is always enabled.
4133      kOsAura, FEATURE_VALUE_TYPE(features::kOverlayScrollbar)},
4134 #endif  // USE_AURA
4135     {"enable-quic", flag_descriptions::kQuicName,
4136      flag_descriptions::kQuicDescription, kOsAll,
4137      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableQuic, switches::kDisableQuic)},
4138     {"webtransport-developer-mode",
4139      flag_descriptions::kWebTransportDeveloperModeName,
4140      flag_descriptions::kWebTransportDeveloperModeDescription, kOsAll,
4141      SINGLE_VALUE_TYPE(switches::kWebTransportDeveloperMode)},
4142     {"disable-javascript-harmony-shipping",
4143      flag_descriptions::kJavascriptHarmonyShippingName,
4144      flag_descriptions::kJavascriptHarmonyShippingDescription, kOsAll,
4145      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableJavaScriptHarmonyShipping)},
4146     {"enable-javascript-harmony", flag_descriptions::kJavascriptHarmonyName,
4147      flag_descriptions::kJavascriptHarmonyDescription, kOsAll,
4148      SINGLE_VALUE_TYPE(switches::kJavaScriptHarmony)},
4149     {"enable-javascript-experimental-shared-memory",
4150      flag_descriptions::kJavascriptExperimentalSharedMemoryName,
4151      flag_descriptions::kJavascriptExperimentalSharedMemoryDescription, kOsAll,
4152      FEATURE_VALUE_TYPE(features::kJavaScriptExperimentalSharedMemory)},
4153     {"enable-experimental-webassembly-features",
4154      flag_descriptions::kExperimentalWebAssemblyFeaturesName,
4155      flag_descriptions::kExperimentalWebAssemblyFeaturesDescription, kOsAll,
4156      SINGLE_VALUE_TYPE(switches::kEnableExperimentalWebAssemblyFeatures)},
4157 #if defined(ARCH_CPU_X86_64) || defined(ARCH_CPU_ARM64)
4158     {"enable-experimental-webassembly-stack-switching",
4159      flag_descriptions::kExperimentalWebAssemblyJSPIName,
4160      flag_descriptions::kExperimentalWebAssemblyJSPIDescription, kOsAll,
4161      FEATURE_VALUE_TYPE(features::kEnableExperimentalWebAssemblyJSPI)},
4162 #endif  // defined(ARCH_CPU_X86_64) || defined(ARCH_CPU_ARM64)
4163     {"enable-webassembly-baseline", flag_descriptions::kEnableWasmBaselineName,
4164      flag_descriptions::kEnableWasmBaselineDescription, kOsAll,
4165      FEATURE_VALUE_TYPE(features::kWebAssemblyBaseline)},
4166     {"enable-webassembly-garbage-collection",
4167      flag_descriptions::kEnableWasmGarbageCollectionName,
4168      flag_descriptions::kEnableWasmGarbageCollectionDescription, kOsAll,
4169      FEATURE_VALUE_TYPE(features::kWebAssemblyGarbageCollection)},
4170     {"enable-webassembly-lazy-compilation",
4171      flag_descriptions::kEnableWasmLazyCompilationName,
4172      flag_descriptions::kEnableWasmLazyCompilationDescription, kOsAll,
4173      FEATURE_VALUE_TYPE(features::kWebAssemblyLazyCompilation)},
4174     {"enable-webassembly-relaxed-simd",
4175      flag_descriptions::kEnableWasmRelaxedSimdName,
4176      flag_descriptions::kEnableWasmRelaxedSimdDescription, kOsAll,
4177      FEATURE_VALUE_TYPE(features::kWebAssemblyRelaxedSimd)},
4178     {"enable-webassembly-stringref",
4179      flag_descriptions::kEnableWasmStringrefName,
4180      flag_descriptions::kEnableWasmStringrefDescription, kOsAll,
4181      FEATURE_VALUE_TYPE(features::kWebAssemblyStringref)},
4182     {"enable-webassembly-tiering", flag_descriptions::kEnableWasmTieringName,
4183      flag_descriptions::kEnableWasmTieringDescription, kOsAll,
4184      FEATURE_VALUE_TYPE(features::kWebAssemblyTiering)},
4185     {"enable-future-v8-vm-features", flag_descriptions::kV8VmFutureName,
4186      flag_descriptions::kV8VmFutureDescription, kOsAll,
4187      FEATURE_VALUE_TYPE(features::kV8VmFuture)},
4188     {"enable-gpu-rasterization", flag_descriptions::kGpuRasterizationName,
4189      flag_descriptions::kGpuRasterizationDescription, kOsAll,
4190      MULTI_VALUE_TYPE(kEnableGpuRasterizationChoices)},
4191 #if BUILDFLAG(USE_FONTATIONS_BACKEND)
4192     {"enable-fontations-backend", flag_descriptions::kFontationsFontBackendName,
4193      flag_descriptions::kFontationsFontBackendDescription, kOsAll,
4194      FEATURE_VALUE_TYPE(blink::features::kFontationsFontBackend)},
4195 #endif
4196     {"enable-experimental-web-platform-features",
4197      flag_descriptions::kExperimentalWebPlatformFeaturesName,
4198      flag_descriptions::kExperimentalWebPlatformFeaturesDescription, kOsAll,
4199      SINGLE_VALUE_TYPE(switches::kEnableExperimentalWebPlatformFeatures)},
4200     {"top-chrome-touch-ui", flag_descriptions::kTopChromeTouchUiName,
4201      flag_descriptions::kTopChromeTouchUiDescription, kOsDesktop,
4202      MULTI_VALUE_TYPE(kTopChromeTouchUiChoices)},
4203 #if BUILDFLAG(ENABLE_WEBUI_TAB_STRIP)
4204     {flag_descriptions::kWebUITabStripFlagId,
4205      flag_descriptions::kWebUITabStripName,
4206      flag_descriptions::kWebUITabStripDescription, kOsDesktop,
4207      FEATURE_VALUE_TYPE(features::kWebUITabStrip)},
4208     {"webui-tab-strip-context-menu-after-tap",
4209      flag_descriptions::kWebUITabStripContextMenuAfterTapName,
4210      flag_descriptions::kWebUITabStripContextMenuAfterTapDescription,
4211      kOsDesktop,
4212      FEATURE_VALUE_TYPE(features::kWebUITabStripContextMenuAfterTap)},
4213 #endif  // BUILDFLAG(ENABLE_WEBUI_TAB_STRIP)
4214 #if BUILDFLAG(IS_CHROMEOS_ASH)
4215     {"allow-eap-default-cas-without-subject-verification",
4216      flag_descriptions::kAllowEapDefaultCasWithoutSubjectVerificationName,
4217      flag_descriptions::
4218          kAllowEapDefaultCasWithoutSubjectVerificationDescription,
4219      kOsCrOS,
4220      FEATURE_VALUE_TYPE(
4221          ash::features::kAllowEapDefaultCasWithoutSubjectVerification)},
4222     {"alt-click-and-six-pack-customization",
4223      flag_descriptions::kAltClickAndSixPackCustomizationName,
4224      flag_descriptions::kAltClickAndSixPackCustomizationDescription, kOsCrOS,
4225      FEATURE_VALUE_TYPE(ash::features::kAltClickAndSixPackCustomization)},
4226     {"apn-revamp", flag_descriptions::kApnRevampName,
4227      flag_descriptions::kApnRevampDescription, kOsCrOS,
4228      FEATURE_VALUE_TYPE(ash::features::kApnRevamp)},
4229     {"audio-a2dp-advanced-codecs",
4230      flag_descriptions::kAudioA2DPAdvancedCodecsName,
4231      flag_descriptions::kAudioA2DPAdvancedCodecsDescription, kOsCrOS,
4232      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioA2DPAdvancedCodecs")},
4233     {"audio-ap-noise-cancellation",
4234      flag_descriptions::kAudioAPNoiseCancellationName,
4235      flag_descriptions::kAudioAPNoiseCancellationDescription, kOsCrOS,
4236      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioAPNoiseCancellation")},
4237     {"audio-flexible-loopback", flag_descriptions::kAudioFlexibleLoopbackName,
4238      flag_descriptions::kAudioFlexibleLoopbackDescription, kOsCrOS,
4239      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioFlexibleLoopback")},
4240     {"audio-hfp-mic-sr", flag_descriptions::kAudioHFPMicSRName,
4241      flag_descriptions::kAudioHFPMicSRDescription, kOsCrOS,
4242      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioHFPMicSR")},
4243     {"audio-hfp-mic-sr-toggle", flag_descriptions::kAudioHFPMicSRToggleName,
4244      flag_descriptions::kAudioHFPMicSRToggleDescription, kOsCrOS,
4245      FEATURE_VALUE_TYPE(ash::features::kAudioHFPMicSRToggle)},
4246     {"audio-hfp-offload", flag_descriptions::kAudioHFPOffloadName,
4247      flag_descriptions::kAudioHFPOffloadDescription, kOsCrOS,
4248      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioHFPOffload")},
4249     {"audio-hfp-swb", flag_descriptions::kAudioHFPSwbName,
4250      flag_descriptions::kAudioHFPSwbDescription, kOsCrOS,
4251      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioHFPSwb")},
4252     {"audio-suppress-set-rtc-audio-active",
4253      flag_descriptions::kAudioSuppressSetRTCAudioActiveName,
4254      flag_descriptions::kAudioSuppressSetRTCAudioActiveDescription, kOsCrOS,
4255      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootAudioSuppressSetRTCAudioActive")},
4256     {"cras-split-alsa-usb-internal",
4257      flag_descriptions::kCrasSplitAlsaUsbInternalName,
4258      flag_descriptions::kCrasSplitAlsaUsbInternalDescription, kOsCrOS,
4259      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootCrasSplitAlsaUSBInternal")},
4260     {"disable-explicit-dma-fences",
4261      flag_descriptions::kDisableExplicitDmaFencesName,
4262      flag_descriptions::kDisableExplicitDmaFencesDescription, kOsCrOS,
4263      SINGLE_VALUE_TYPE(switches::kDisableExplicitDmaFences)},
4264     // TODO(crbug.com/1012846): Remove this flag and provision when HDR is fully
4265     //  supported on ChromeOS.
4266     {"use-hdr-transfer-function",
4267      flag_descriptions::kUseHDRTransferFunctionName,
4268      flag_descriptions::kUseHDRTransferFunctionDescription, kOsCrOS,
4269      FEATURE_VALUE_TYPE(display::features::kUseHDRTransferFunction)},
4270     {"enable-external-display-hdr10",
4271      flag_descriptions::kEnableExternalDisplayHdr10Name,
4272      flag_descriptions::kEnableExternalDisplayHdr10Description, kOsCrOS,
4273      FEATURE_VALUE_TYPE(display::features::kEnableExternalDisplayHDR10Mode)},
4274     {"adaptive-charging", flag_descriptions::kAdaptiveChargingName,
4275      flag_descriptions::kAdaptiveChargingDescription, kOsCrOS,
4276      FEATURE_VALUE_TYPE(ash::features::kAdaptiveCharging)},
4277     {"adaptive-charging-for-testing",
4278      flag_descriptions::kAdaptiveChargingForTestingName,
4279      flag_descriptions::kAdaptiveChargingForTestingDescription, kOsCrOS,
4280      FEATURE_VALUE_TYPE(ash::features::kAdaptiveChargingForTesting)},
4281     {"ash-capture-mode-audio-mixing",
4282      flag_descriptions::kCaptureModeAudioMixingName,
4283      flag_descriptions::kCaptureModeAudioMixingDescription, kOsCrOS,
4284      FEATURE_VALUE_TYPE(ash::features::kCaptureModeAudioMixing)},
4285     {"ash-capture-mode-gif-recording",
4286      flag_descriptions::kCaptureModeGifRecordingName,
4287      flag_descriptions::kCaptureModeGifRecordingDescription, kOsCrOS,
4288      FEATURE_VALUE_TYPE(ash::features::kGifRecording)},
4289     {"ash-overview-button", flag_descriptions::kOverviewButtonName,
4290      flag_descriptions::kOverviewButtonDescription, kOsCrOS,
4291      FEATURE_VALUE_TYPE(ash::features::kOverviewButton)},
4292     {"ash-limit-shelf-items-to-active-desk",
4293      flag_descriptions::kLimitShelfItemsToActiveDeskName,
4294      flag_descriptions::kLimitShelfItemsToActiveDeskDescription, kOsCrOS,
4295      FEATURE_VALUE_TYPE(ash::features::kPerDeskShelf)},
4296     {"ash-enable-unified-desktop",
4297      flag_descriptions::kAshEnableUnifiedDesktopName,
4298      flag_descriptions::kAshEnableUnifiedDesktopDescription, kOsCrOS,
4299      SINGLE_VALUE_TYPE(switches::kEnableUnifiedDesktop)},
4300     {"ash-faster-split-screen-setup",
4301      flag_descriptions::kFasterSplitScreenSetupName,
4302      flag_descriptions::kFasterSplitScreenSetupDescription, kOsCrOS,
4303      FEATURE_VALUE_TYPE(ash::features::kFasterSplitScreenSetup)},
4304     {"rounded-display", flag_descriptions::kRoundedDisplay,
4305      flag_descriptions::kRoundedDisplayDescription, kOsCrOS,
4306      FEATURE_VALUE_TYPE(display::features::kRoundedDisplay)},
4307     {"bluetooth-fix-a2dp-packet-size",
4308      flag_descriptions::kBluetoothFixA2dpPacketSizeName,
4309      flag_descriptions::kBluetoothFixA2dpPacketSizeDescription, kOsCrOS,
4310      FEATURE_VALUE_TYPE(ash::features::kBluetoothFixA2dpPacketSize)},
4311     {"bluetooth-quality-report", flag_descriptions::kBluetoothQualityReportName,
4312      flag_descriptions::kBluetoothQualityReportDescription, kOsCrOS,
4313      FEATURE_VALUE_TYPE(ash::features::kBluetoothQualityReport)},
4314     {"bluetooth-wbs-dogfood", flag_descriptions::kBluetoothWbsDogfoodName,
4315      flag_descriptions::kBluetoothWbsDogfoodDescription, kOsCrOS,
4316      FEATURE_VALUE_TYPE(ash::features::kBluetoothWbsDogfood)},
4317     {"bluetooth-coredump", flag_descriptions::kBluetoothCoredumpName,
4318      flag_descriptions::kBluetoothCoredumpDescription, kOsCrOS,
4319      FEATURE_VALUE_TYPE(chromeos::bluetooth::features::kBluetoothCoredump)},
4320     {"bluetooth-floss-coredump", flag_descriptions::kBluetoothFlossCoredumpName,
4321      flag_descriptions::kBluetoothFlossCoredumpDescription, kOsCrOS,
4322      FEATURE_VALUE_TYPE(
4323          chromeos::bluetooth::features::kBluetoothFlossCoredump)},
4324     {"bluetooth-floss-telephony",
4325      flag_descriptions::kBluetoothFlossTelephonyName,
4326      flag_descriptions::kBluetoothFlossTelephonyDescription, kOsCrOS,
4327      FEATURE_VALUE_TYPE(
4328          chromeos::bluetooth::features::kBluetoothFlossTelephony)},
4329     {kBluetoothUseFlossInternalName, flag_descriptions::kBluetoothUseFlossName,
4330      flag_descriptions::kBluetoothUseFlossDescription, kOsCrOS,
4331      FEATURE_VALUE_TYPE(floss::features::kFlossEnabled)},
4332     {"bluetooth-floss-availability-check",
4333      flag_descriptions::kBluetoothFlossIsAvailabilityCheckNeededName,
4334      flag_descriptions::kBluetoothFlossIsAvailabilityCheckNeededDescription,
4335      kOsCrOS,
4336      FEATURE_VALUE_TYPE(floss::features::kFlossIsAvailabilityCheckNeeded)},
4337     {"bluetooth-use-llprivacy", flag_descriptions::kBluetoothUseLLPrivacyName,
4338      flag_descriptions::kBluetoothUseLLPrivacyDescription, kOsCrOS,
4339      FEATURE_VALUE_TYPE(bluez::features::kLinkLayerPrivacy)},
4340     {"cellular-bypass-esim-installation-connectivity-check",
4341      flag_descriptions::kCellularBypassESimInstallationConnectivityCheckName,
4342      flag_descriptions::
4343          kCellularBypassESimInstallationConnectivityCheckDescription,
4344      kOsCrOS,
4345      FEATURE_VALUE_TYPE(
4346          ash::features::kCellularBypassESimInstallationConnectivityCheck)},
4347     {"cellular-carrier-lock", flag_descriptions::kCellularCarrierLockName,
4348      flag_descriptions::kCellularCarrierLockDescription, kOsCrOS,
4349      FEATURE_VALUE_TYPE(ash::features::kCellularCarrierLock)},
4350     {"cellular-use-second-euicc",
4351      flag_descriptions::kCellularUseSecondEuiccName,
4352      flag_descriptions::kCellularUseSecondEuiccDescription, kOsCrOS,
4353      FEATURE_VALUE_TYPE(ash::features::kCellularUseSecondEuicc)},
4354     {"cros-privacy-hub-v0", flag_descriptions::kCrosPrivacyHubV0Name,
4355      flag_descriptions::kCrosPrivacyHubV0Description, kOsCrOS,
4356      FEATURE_VALUE_TYPE(ash::features::kCrosPrivacyHubV0)},
4357     {"cros-privacy-hub-app-permissions",
4358      flag_descriptions::kCrosPrivacyHubAppPermissionsName,
4359      flag_descriptions::kCrosPrivacyHubAppPermissionsDescription, kOsCrOS,
4360      FEATURE_VALUE_TYPE(ash::features::kCrosPrivacyHubAppPermissions)},
4361     {"enable-cros-privacy-hub", flag_descriptions::kCrosPrivacyHubName,
4362      flag_descriptions::kCrosPrivacyHubDescription, kOsCrOS,
4363      FEATURE_VALUE_TYPE(ash::features::kCrosPrivacyHub)},
4364     {"cros-components", flag_descriptions::kCrosComponentsName,
4365      flag_descriptions::kCrosComponentsDescription, kOsCrOS | kOsLacros,
4366      FEATURE_VALUE_TYPE(chromeos::features::kCrosComponents)},
4367     {"oobe-hid-detection-revamp",
4368      flag_descriptions::kOobeHidDetectionRevampName,
4369      flag_descriptions::kOobeHidDetectionRevampDescription, kOsCrOS,
4370      FEATURE_VALUE_TYPE(ash::features::kOobeHidDetectionRevamp)},
4371     {"os-feedback-dialog", flag_descriptions::kOsFeedbackDialogName,
4372      flag_descriptions::kOsFeedbackDialogDescription, kOsCrOS,
4373      FEATURE_VALUE_TYPE(ash::features::kOsFeedbackDialog)},
4374     {"os-feedback-jelly", flag_descriptions::kOsFeedbackJellyName,
4375      flag_descriptions::kOsFeedbackJellyDescription, kOsCrOS,
4376      FEATURE_VALUE_TYPE(ash::features::kOsFeedbackJelly)},
4377     {"os-settings-app-badging-toggle",
4378      flag_descriptions::kOsSettingsAppBadgingToggleName,
4379      flag_descriptions::kOsSettingsAppBadgingToggleDescription, kOsCrOS,
4380      FEATURE_VALUE_TYPE(ash::features::kOsSettingsAppBadgingToggle)},
4381     {"os-settings-deprecate-sync-metrics-toggle",
4382      flag_descriptions::kOsSettingsDeprecateSyncMetricsToggleName,
4383      flag_descriptions::kOsSettingsDeprecateSyncMetricsToggleDescription,
4384      kOsCrOS,
4385      FEATURE_VALUE_TYPE(ash::features::kOsSettingsDeprecateSyncMetricsToggle)},
4386     {"os-settings-revamp-wayfinding",
4387      flag_descriptions::kOsSettingsRevampWayfindingName,
4388      flag_descriptions::kOsSettingsRevampWayfindingDescription, kOsCrOS,
4389      FEATURE_VALUE_TYPE(ash::features::kOsSettingsRevampWayfinding)},
4390     {"os-settings-test-chrome-refresh",
4391      flag_descriptions::kOsSettingsTestChromeRefreshName,
4392      flag_descriptions::kOsSettingsTestChromeRefreshDescription, kOsCrOS,
4393      FEATURE_VALUE_TYPE(ash::features::kOsSettingsTestChromeRefresh)},
4394     {"disable-cancel-all-touches",
4395      flag_descriptions::kDisableCancelAllTouchesName,
4396      flag_descriptions::kDisableCancelAllTouchesDescription, kOsCrOS,
4397      SINGLE_VALUE_TYPE(switches::kDisableCancelAllTouches)},
4398     {
4399         "enable-background-blur",
4400         flag_descriptions::kEnableBackgroundBlurName,
4401         flag_descriptions::kEnableBackgroundBlurDescription,
4402         kOsCrOS,
4403         FEATURE_VALUE_TYPE(ash::features::kEnableBackgroundBlur),
4404     },
4405     {"enable-zram-writeback", flag_descriptions::kEnableZramWriteback,
4406      flag_descriptions::kEnableZramWritebackDescription, kOsCrOS,
4407      FEATURE_VALUE_TYPE(ash::kCrOSEnableZramWriteback)},
4408     {kEnableSuspendToDiskInternalName, flag_descriptions::kEnableSuspendToDisk,
4409      flag_descriptions::kEnableSuspendToDiskDescription, kOsCrOS,
4410      FEATURE_WITH_PARAMS_VALUE_TYPE(ash::features::kSuspendToDisk,
4411                                     kHibernateFeatureVariations,
4412                                     "SuspendToDisk")},
4413     {kEnableSuspendToDiskAllowS4InternalName,
4414      flag_descriptions::kEnableSuspendToDiskAllowS4,
4415      flag_descriptions::kEnableSuspendToDiskAllowS4Description, kOsCrOS,
4416      FEATURE_VALUE_TYPE(ash::features::kSuspendToDiskAllowS4)},
4417     // Used to carry the policy value crossing the Chrome process lifetime.
4418     {ash::standalone_browser::kLacrosAvailabilityPolicyInternalName, "", "",
4419      kOsCrOS, MULTI_VALUE_TYPE(kLacrosAvailabilityPolicyChoices)},
4420     // Used to carry the policy value crossing the Chrome process lifetime.
4421     {crosapi::browser_util::kLacrosDataBackwardMigrationModePolicyInternalName,
4422      "", "", kOsCrOS,
4423      MULTI_VALUE_TYPE(kLacrosDataBackwardMigrationModePolicyChoices)},
4424     {kLacrosStabilityInternalName, flag_descriptions::kLacrosStabilityName,
4425      flag_descriptions::kLacrosStabilityDescription, kOsCrOS,
4426      MULTI_VALUE_TYPE(kLacrosStabilityChoices)},
4427     {kLacrosWaylandLoggingInternalName,
4428      flag_descriptions::kLacrosWaylandLoggingName,
4429      flag_descriptions::kLacrosWaylandLoggingDescription, kOsCrOS,
4430      FEATURE_VALUE_TYPE(ash::features::kLacrosWaylandLogging)},
4431     {kPreferDcheckInternalName, flag_descriptions::kPreferDcheckName,
4432      flag_descriptions::kPreferDcheckDescription, kOsCrOS,
4433      MULTI_VALUE_TYPE(kPreferDcheckChoices)},
4434     {"lacros-profile-migration-force-off",
4435      flag_descriptions::kLacrosProfileMigrationForceOffName,
4436      flag_descriptions::kLacrosProfileMigrationForceOffDescription, kOsCrOS,
4437      FEATURE_VALUE_TYPE(
4438          ash::standalone_browser::features::kLacrosProfileMigrationForceOff)},
4439     {"lacros-trigger-profile-backward-migration",
4440      flag_descriptions::kLacrosProfileBackwardMigrationName,
4441      flag_descriptions::kLacrosProfileBackwardMigrationDescription, kOsCrOS,
4442      FEATURE_VALUE_TYPE(ash::features::kLacrosProfileBackwardMigration)},
4443     {kLacrosSelectionInternalName, flag_descriptions::kLacrosSelectionName,
4444      flag_descriptions::kLacrosSelectionDescription, kOsCrOS,
4445      MULTI_VALUE_TYPE(kLacrosSelectionChoices)},
4446     {kLacrosSelectionPolicyIgnoreInternalName,
4447      flag_descriptions::kLacrosSelectionPolicyIgnoreName,
4448      flag_descriptions::kLacrosSelectionPolicyIgnoreDescription, kOsCrOS,
4449      SINGLE_VALUE_TYPE(ash::switches::kLacrosSelectionPolicyIgnore)},
4450     {kLacrosOnlyInternalName, flag_descriptions::kLacrosOnlyName,
4451      flag_descriptions::kLacrosOnlyDescription, kOsCrOS,
4452      FEATURE_VALUE_TYPE(ash::standalone_browser::features::kLacrosOnly)},
4453     {kLacrosAvailabilityIgnoreInternalName,
4454      flag_descriptions::kLacrosAvailabilityIgnoreName,
4455      flag_descriptions::kLacrosAvailabilityIgnoreDescription, kOsCrOS,
4456      SINGLE_VALUE_TYPE(ash::switches::kLacrosAvailabilityIgnore)},
4457     {"list-all-display-modes", flag_descriptions::kListAllDisplayModesName,
4458      flag_descriptions::kListAllDisplayModesDescription, kOsCrOS,
4459      FEATURE_VALUE_TYPE(display::features::kListAllDisplayModes)},
4460     {"enable-hardware_mirror-mode",
4461      flag_descriptions::kEnableHardwareMirrorModeName,
4462      flag_descriptions::kEnableHardwareMirrorModeDescription, kOsCrOS,
4463      FEATURE_VALUE_TYPE(display::features::kEnableHardwareMirrorMode)},
4464     {"enable-edid-based-display-ids",
4465      flag_descriptions::kEnableEdidBasedDisplayIdsName,
4466      flag_descriptions::kEnableEdidBasedDisplayIdsDescription, kOsCrOS,
4467      FEATURE_VALUE_TYPE(display::features::kEnableEdidBasedDisplayIds)},
4468     {"enable-wifi-qos", flag_descriptions::kEnableWifiQosName,
4469      flag_descriptions::kEnableWifiQosDescription, kOsCrOS,
4470      FEATURE_VALUE_TYPE(ash::features::kEnableWifiQos)},
4471     {"enforce-ash-extension-keeplist",
4472      flag_descriptions::kEnforceAshExtensionKeeplistName,
4473      flag_descriptions::kEnforceAshExtensionKeeplistDescription, kOsCrOS,
4474      FEATURE_VALUE_TYPE(ash::features::kEnforceAshExtensionKeeplist)},
4475     {"hotspot", flag_descriptions::kHotspotName,
4476      flag_descriptions::kHotspotDescription, kOsCrOS,
4477      FEATURE_VALUE_TYPE(ash::features::kHotspot)},
4478     {"instant-hotspot-rebrand", flag_descriptions::kInstantHotspotRebrandName,
4479      flag_descriptions::kInstantHotspotRebrandDescription, kOsCrOS,
4480      FEATURE_VALUE_TYPE(ash::features::kInstantHotspotRebrand)},
4481     {"instant-tethering", flag_descriptions::kTetherName,
4482      flag_descriptions::kTetherDescription, kOsCrOS,
4483      FEATURE_VALUE_TYPE(ash::features::kInstantTethering)},
4484     {"improved-keyboard-shortcuts",
4485      flag_descriptions::kImprovedKeyboardShortcutsName,
4486      flag_descriptions::kImprovedKeyboardShortcutsDescription, kOsCrOS,
4487      FEATURE_VALUE_TYPE(features::kImprovedKeyboardShortcuts)},
4488     {"deprecate-alt-click", flag_descriptions::kDeprecateAltClickName,
4489      flag_descriptions::kDeprecateAltClickDescription, kOsCrOS,
4490      FEATURE_VALUE_TYPE(features::kDeprecateAltClick)},
4491     {"deprecate-alt-based-six-pack",
4492      flag_descriptions::kDeprecateAltBasedSixPackName,
4493      flag_descriptions::kDeprecateAltBasedSixPackDescription, kOsCrOS,
4494      FEATURE_VALUE_TYPE(features::kDeprecateAltBasedSixPack)},
4495     {"deprecate-old-keyboard-shortcuts-accelerator",
4496      flag_descriptions::kDeprecateOldKeyboardShortcutsAcceleratorName,
4497      flag_descriptions::kDeprecateOldKeyboardShortcutsAcceleratorDescription,
4498      kOsCrOS,
4499      FEATURE_VALUE_TYPE(
4500          ash::features::kDeprecateOldKeyboardShortcutsAccelerator)},
4501     {"show-bluetooth-debug-log-toggle",
4502      flag_descriptions::kShowBluetoothDebugLogToggleName,
4503      flag_descriptions::kShowBluetoothDebugLogToggleDescription, kOsCrOS,
4504      FEATURE_VALUE_TYPE(ash::features::kShowBluetoothDebugLogToggle)},
4505     {"show-taps", flag_descriptions::kShowTapsName,
4506      flag_descriptions::kShowTapsDescription, kOsCrOS,
4507      SINGLE_VALUE_TYPE(ash::switches::kShowTaps)},
4508     {"show-touch-hud", flag_descriptions::kShowTouchHudName,
4509      flag_descriptions::kShowTouchHudDescription, kOsCrOS,
4510      SINGLE_VALUE_TYPE(ash::switches::kAshTouchHud)},
4511     {"stylus-battery-status", flag_descriptions::kStylusBatteryStatusName,
4512      flag_descriptions::kStylusBatteryStatusDescription, kOsCrOS,
4513      FEATURE_VALUE_TYPE(ash::features::kStylusBatteryStatus)},
4514     {"suppress-text-messages", flag_descriptions::kSuppressTextMessagesName,
4515      flag_descriptions::kSuppressTextMessagesDescription, kOsCrOS,
4516      FEATURE_VALUE_TYPE(ash::features::kSuppressTextMessages)},
4517     {"wake-on-wifi-allowed", flag_descriptions::kWakeOnWifiAllowedName,
4518      flag_descriptions::kWakeOnWifiAllowedDescription, kOsCrOS,
4519      FEATURE_VALUE_TYPE(ash::features::kWakeOnWifiAllowed)},
4520     {"microphone-mute-notifications",
4521      flag_descriptions::kMicrophoneMuteNotificationsName,
4522      flag_descriptions::kMicrophoneMuteNotificationsDescription, kOsCrOS,
4523      FEATURE_VALUE_TYPE(ash::features::kMicMuteNotifications)},
4524     {"microphone-mute-switch-device",
4525      flag_descriptions::kMicrophoneMuteSwitchDeviceName,
4526      flag_descriptions::kMicrophoneMuteSwitchDeviceDescription, kOsCrOS,
4527      SINGLE_VALUE_TYPE("enable-microphone-mute-switch-device")},
4528     {"wifi-connect-mac-address-randomization",
4529      flag_descriptions::kWifiConnectMacAddressRandomizationName,
4530      flag_descriptions::kWifiConnectMacAddressRandomizationDescription, kOsCrOS,
4531      FEATURE_VALUE_TYPE(ash::features::kWifiConnectMacAddressRandomization)},
4532     {"consumer-auto-update-toggle-allowed",
4533      flag_descriptions::kConsumerAutoUpdateToggleAllowedName,
4534      flag_descriptions::kConsumerAutoUpdateToggleAllowedDescription, kOsCrOS,
4535      FEATURE_VALUE_TYPE(ash::features::kConsumerAutoUpdateToggleAllowed)},
4536     {"diagnostics-app-jelly", flag_descriptions::kDiagnosticsAppJellyName,
4537      flag_descriptions::kDiagnosticsAppJellyDescription, kOsCrOS,
4538      FEATURE_VALUE_TYPE(ash::features::kDiagnosticsAppJelly)},
4539     {"disable-lacros-tts-support",
4540      flag_descriptions::kDisableLacrosTtsSupportName,
4541      flag_descriptions::kDisableLacrosTtsSupportDescription, kOsCrOS,
4542      FEATURE_VALUE_TYPE(ash::features::kDisableLacrosTtsSupport)},
4543     {"disable-dns-proxy", flag_descriptions::kDisableDnsProxyName,
4544      flag_descriptions::kDisableDnsProxyDescription, kOsCrOS,
4545      FEATURE_VALUE_TYPE(ash::features::kDisableDnsProxy)},
4546     {"firmware-update-jelly", flag_descriptions::kFirmwareUpdateJellyName,
4547      flag_descriptions::kFirmwareUpdateJellyDescription, kOsCrOS,
4548      FEATURE_VALUE_TYPE(ash::features::kFirmwareUpdateJelly)},
4549     {"screen-saver-duration", flag_descriptions::kScreenSaverDurationName,
4550      flag_descriptions::kScreenSaverDurationDescription, kOsCrOS,
4551      FEATURE_VALUE_TYPE(ash::features::kScreenSaverDuration)},
4552     {"multi-zone-rgb-keyboard", flag_descriptions::kMultiZoneRgbKeyboardName,
4553      flag_descriptions::kMultiZoneRgbKeyboardDescription, kOsCrOS,
4554      FEATURE_VALUE_TYPE(ash::features::kMultiZoneRgbKeyboard)},
4555     {"passpoint-arc-support", flag_descriptions::kPasspointARCSupportName,
4556      flag_descriptions::kPasspointARCSupportDescription, kOsCrOS,
4557      FEATURE_VALUE_TYPE(ash::features::kPasspointARCSupport)},
4558     {"passpoint-settings", flag_descriptions::kPasspointSettingsName,
4559      flag_descriptions::kPasspointSettingsDescription, kOsCrOS,
4560      FEATURE_VALUE_TYPE(ash::features::kPasspointSettings)},
4561     {"policy-provided-trust-anchors-allowed-at-lock-screen",
4562      flag_descriptions::kPolicyProvidedTrustAnchorsAllowedAtLockScreenName,
4563      flag_descriptions::
4564          kPolicyProvidedTrustAnchorsAllowedAtLockScreenDescription,
4565      kOsCrOS,
4566      FEATURE_VALUE_TYPE(
4567          ash::features::kPolicyProvidedTrustAnchorsAllowedAtLockScreen)},
4568     {kTimeOfDayScreenSaverInternalName,
4569      flag_descriptions::kTimeOfDayScreenSaverName,
4570      flag_descriptions::kTimeOfDayScreenSaverDescription, kOsCrOS,
4571      FEATURE_VALUE_TYPE(ash::features::kTimeOfDayScreenSaver)},
4572     {kTimeOfDayWallpaperInternalName,
4573      flag_descriptions::kTimeOfDayWallpaperName,
4574      flag_descriptions::kTimeOfDayWallpaperDescription, kOsCrOS,
4575      FEATURE_VALUE_TYPE(ash::features::kTimeOfDayWallpaper)},
4576     {kTimeOfDayDlcInternalName, flag_descriptions::kTimeOfDayDlcName,
4577      flag_descriptions::kTimeOfDayDlcDescription, kOsCrOS,
4578      FEATURE_VALUE_TYPE(ash::features::kTimeOfDayDlc)},
4579     {"enable-rfc-8925", flag_descriptions::kEnableRFC8925Name,
4580      flag_descriptions::kEnableRFC8925Description, kOsCrOS,
4581      FEATURE_VALUE_TYPE(ash::features::kEnableRFC8925)},
4582     {"support-f11-and-f12-shortcuts",
4583      flag_descriptions::kSupportF11AndF12ShortcutsName,
4584      flag_descriptions::kSupportF11AndF12ShortcutsDescription, kOsCrOS,
4585      FEATURE_VALUE_TYPE(features::kSupportF11AndF12KeyShortcuts)},
4586 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
4587
4588 #if BUILDFLAG(IS_CHROMEOS)
4589     {"cros-apps-background-event-handling",
4590      flag_descriptions::kCrosAppsBackgroundEventHandlingName,
4591      flag_descriptions::kCrosAppsBackgroundEventHandlingDescription,
4592      kOsCrOS | kOsLacros,
4593      FEATURE_VALUE_TYPE(chromeos::features::kCrosAppsBackgroundEventHandling)},
4594     {"cros-legacy-media-formats",
4595      flag_descriptions::kCrOSLegacyMediaFormatsName,
4596      flag_descriptions::kCrOSLegacyMediaFormatsDescription, kOsCrOS | kOsLacros,
4597      FEATURE_VALUE_TYPE(media::kCrOSLegacyMediaFormats)},
4598     {"disable-idle-sockets-close-on-memory-pressure",
4599      flag_descriptions::kDisableIdleSocketsCloseOnMemoryPressureName,
4600      flag_descriptions::kDisableIdleSocketsCloseOnMemoryPressureDescription,
4601      kOsCrOS | kOsLacros,
4602      FEATURE_VALUE_TYPE(
4603          chromeos::features::kDisableIdleSocketsCloseOnMemoryPressure)},
4604     {"disable-office-editing-component-app",
4605      flag_descriptions::kDisableOfficeEditingComponentAppName,
4606      flag_descriptions::kDisableOfficeEditingComponentAppDescription,
4607      kOsCrOS | kOsLacros,
4608      FEATURE_VALUE_TYPE(chromeos::features::kDisableOfficeEditingComponentApp)},
4609     {"one-group-per-renderer", flag_descriptions::kOneGroupPerRendererName,
4610      flag_descriptions::kOneGroupPerRendererDescription, kOsCrOS | kOsLacros,
4611      FEATURE_VALUE_TYPE(base::kOneGroupPerRenderer)},
4612     {"rounded-windows", flag_descriptions::kRoundedWindows,
4613      flag_descriptions::kRoundedWindowsDescription, kOsCrOS | kOsLacros,
4614      FEATURE_WITH_PARAMS_VALUE_TYPE(chromeos::features::kRoundedWindows,
4615                                     kRoundedWindowsRadiusVariation,
4616                                     "RoundedWindows")},
4617     {"cros-web-app-install-dialog",
4618      flag_descriptions::kCrosWebAppInstallDialogName,
4619      flag_descriptions::kCrosWebAppInstallDialogDescription,
4620      kOsCrOS | kOsLacros,
4621      FEATURE_VALUE_TYPE(chromeos::features::kCrosWebAppInstallDialog)},
4622 #endif  // BUILDFLAG(IS_CHROMEOS)
4623     {
4624         "disable-accelerated-video-decode",
4625         flag_descriptions::kAcceleratedVideoDecodeName,
4626         flag_descriptions::kAcceleratedVideoDecodeDescription,
4627         kOsMac | kOsWin | kOsCrOS | kOsAndroid | kOsLacros | kOsFuchsia |
4628             kOsLinux,
4629         SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAcceleratedVideoDecode),
4630     },
4631     {
4632         "disable-accelerated-video-encode",
4633         flag_descriptions::kAcceleratedVideoEncodeName,
4634         flag_descriptions::kAcceleratedVideoEncodeDescription,
4635         kOsMac | kOsWin | kOsCrOS | kOsAndroid,
4636         SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAcceleratedVideoEncode),
4637     },
4638 #if BUILDFLAG(IS_WIN)
4639     {
4640         "enable-hardware-secure-decryption",
4641         flag_descriptions::kHardwareSecureDecryptionName,
4642         flag_descriptions::kHardwareSecureDecryptionDescription,
4643         kOsWin,
4644         FEATURE_VALUE_TYPE(media::kHardwareSecureDecryption),
4645     },
4646     {
4647         "enable-hardware-secure-decryption-experiment",
4648         flag_descriptions::kHardwareSecureDecryptionExperimentName,
4649         flag_descriptions::kHardwareSecureDecryptionExperimentDescription,
4650         kOsWin,
4651         FEATURE_VALUE_TYPE(media::kHardwareSecureDecryptionExperiment),
4652     },
4653     {
4654         "enable-hardware-secure-decryption-fallback",
4655         flag_descriptions::kHardwareSecureDecryptionFallbackName,
4656         flag_descriptions::kHardwareSecureDecryptionFallbackDescription,
4657         kOsWin,
4658         FEATURE_VALUE_TYPE(media::kHardwareSecureDecryptionFallback),
4659     },
4660     {
4661         "enable-media-foundation-clear",
4662         flag_descriptions::kMediaFoundationClearName,
4663         flag_descriptions::kMediaFoundationClearDescription,
4664         kOsWin,
4665         FEATURE_VALUE_TYPE(media::kMediaFoundationClearPlayback),
4666     },
4667     {"enable-media-foundation-clear-rendering-strategy",
4668      flag_descriptions::kMediaFoundationClearStrategyName,
4669      flag_descriptions::kMediaFoundationClearStrategyDescription, kOsWin,
4670      FEATURE_WITH_PARAMS_VALUE_TYPE(media::kMediaFoundationClearRendering,
4671                                     kMediaFoundationClearStrategyVariations,
4672                                     "MediaFoundationClearRendering")},
4673     {
4674         "enable-waitable-swap-chain",
4675         flag_descriptions::kUseWaitableSwapChainName,
4676         flag_descriptions::kUseWaitableSwapChainDescription,
4677         kOsWin,
4678         FEATURE_WITH_PARAMS_VALUE_TYPE(features::kDXGIWaitableSwapChain,
4679                                        kDXGIWaitableSwapChainVariations,
4680                                        "DXGIWaitableSwapChain"),
4681     },
4682     {
4683         "fluent-scrollbars",
4684         flag_descriptions::kFluentScrollbarsName,
4685         flag_descriptions::kFluentScrollbarsDescription,
4686         kOsWin,
4687         FEATURE_VALUE_TYPE(features::kFluentScrollbar),
4688     },
4689 #endif
4690 #if BUILDFLAG(IS_CHROMEOS_ASH)
4691     {
4692         "zero-copy-video-capture",
4693         flag_descriptions::kZeroCopyVideoCaptureName,
4694         flag_descriptions::kZeroCopyVideoCaptureDescription,
4695         kOsCrOS,
4696         ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(
4697             switches::kVideoCaptureUseGpuMemoryBuffer,
4698             "1",
4699             switches::kDisableVideoCaptureUseGpuMemoryBuffer,
4700             "1"),
4701     },
4702     {
4703         "ash-debug-shortcuts",
4704         flag_descriptions::kDebugShortcutsName,
4705         flag_descriptions::kDebugShortcutsDescription,
4706         kOsAll,
4707         SINGLE_VALUE_TYPE(ash::switches::kAshDebugShortcuts),
4708     },
4709     {"ui-slow-animations", flag_descriptions::kUiSlowAnimationsName,
4710      flag_descriptions::kUiSlowAnimationsDescription, kOsCrOS,
4711      SINGLE_VALUE_TYPE(switches::kUISlowAnimations)},
4712 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
4713 #if BUILDFLAG(IS_WIN)
4714     {
4715         "zero-copy-video-capture",
4716         flag_descriptions::kZeroCopyVideoCaptureName,
4717         flag_descriptions::kZeroCopyVideoCaptureDescription,
4718         kOsWin,
4719         FEATURE_VALUE_TYPE(media::kMediaFoundationD3D11VideoCapture),
4720     },
4721 #endif  // BUILDFLAG(IS_WIN)
4722     {"debug-packed-apps", flag_descriptions::kDebugPackedAppName,
4723      flag_descriptions::kDebugPackedAppDescription, kOsDesktop,
4724      SINGLE_VALUE_TYPE(switches::kDebugPackedApps)},
4725     {"username-first-flow-fallback-crowdsourcing",
4726      flag_descriptions::kUsernameFirstFlowFallbackCrowdsourcingName,
4727      flag_descriptions::kUsernameFirstFlowFallbackCrowdsourcingDescription,
4728      kOsAll,
4729      FEATURE_VALUE_TYPE(
4730          password_manager::features::kUsernameFirstFlowFallbackCrowdsourcing)},
4731     {"username-first-flow-store-several-values",
4732      flag_descriptions::kUsernameFirstFlowStoreSeveralValuesName,
4733      flag_descriptions::kUsernameFirstFlowStoreSeveralValuesDescription, kOsAll,
4734      FEATURE_VALUE_TYPE(
4735          password_manager::features::kUsernameFirstFlowStoreSeveralValues)},
4736     {"username-first-flow-with-intermediate-values",
4737      flag_descriptions::kUsernameFirstFlowWithIntermediateValuesName,
4738      flag_descriptions::kUsernameFirstFlowWithIntermediateValuesDescription,
4739      kOsAll,
4740      FEATURE_VALUE_TYPE(
4741          password_manager::features::kUsernameFirstFlowWithIntermediateValues)},
4742     {"username-first-flow-with-intermediate-values-predictions",
4743      flag_descriptions::kUsernameFirstFlowWithIntermediateValuesPredictionsName,
4744      flag_descriptions::
4745          kUsernameFirstFlowWithIntermediateValuesPredictionsDescription,
4746      kOsAll,
4747      FEATURE_VALUE_TYPE(
4748          password_manager::features::
4749              kUsernameFirstFlowWithIntermediateValuesPredictions)},
4750     {"username-first-flow-with-intermediate-values-voting",
4751      flag_descriptions::kUsernameFirstFlowWithIntermediateValuesVotingName,
4752      flag_descriptions::
4753          kUsernameFirstFlowWithIntermediateValuesVotingDescription,
4754      kOsAll,
4755      FEATURE_VALUE_TYPE(password_manager::features::
4756                             kUsernameFirstFlowWithIntermediateValuesVoting)},
4757     {"enable-show-autofill-signatures",
4758      flag_descriptions::kShowAutofillSignaturesName,
4759      flag_descriptions::kShowAutofillSignaturesDescription, kOsAll,
4760      SINGLE_VALUE_TYPE(autofill::switches::kShowAutofillSignatures)},
4761     {"wallet-service-use-sandbox",
4762      flag_descriptions::kWalletServiceUseSandboxName,
4763      flag_descriptions::kWalletServiceUseSandboxDescription,
4764      kOsAndroid | kOsDesktop,
4765      ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(
4766          autofill::switches::kWalletServiceUseSandbox,
4767          "1",
4768          autofill::switches::kWalletServiceUseSandbox,
4769          "0")},
4770     {"web-authentication-filter-google-passkeys",
4771      flag_descriptions::kWebAuthnFilterGooglePasskeysName,
4772      flag_descriptions::kWebAuthnFilterGooglePasskeysDescription, kOsAll,
4773      FEATURE_VALUE_TYPE(device::kWebAuthnFilterGooglePasskeys)},
4774     {"web-authentication-screen-reader-mode",
4775      flag_descriptions::kWebAuthnScreenReaderModeName,
4776      flag_descriptions::kWebAuthnScreenReaderModeDescription, kOsDesktop,
4777      FEATURE_VALUE_TYPE(device::kWebAuthnScreenReaderMode)},
4778     {"enable-web-bluetooth", flag_descriptions::kWebBluetoothName,
4779      flag_descriptions::kWebBluetoothDescription, kOsLinux,
4780      FEATURE_VALUE_TYPE(features::kWebBluetooth)},
4781     {"enable-web-bluetooth-new-permissions-backend",
4782      flag_descriptions::kWebBluetoothNewPermissionsBackendName,
4783      flag_descriptions::kWebBluetoothNewPermissionsBackendDescription,
4784      kOsAndroid | kOsDesktop,
4785      FEATURE_VALUE_TYPE(features::kWebBluetoothNewPermissionsBackend)},
4786     {"enable-webusb-device-detection",
4787      flag_descriptions::kWebUsbDeviceDetectionName,
4788      flag_descriptions::kWebUsbDeviceDetectionDescription, kOsDesktop,
4789      FEATURE_VALUE_TYPE(features::kWebUsbDeviceDetection)},
4790 #if defined(USE_AURA)
4791     {"overscroll-history-navigation",
4792      flag_descriptions::kOverscrollHistoryNavigationName,
4793      flag_descriptions::kOverscrollHistoryNavigationDescription, kOsAura,
4794      FEATURE_VALUE_TYPE(features::kOverscrollHistoryNavigation)},
4795     {"pull-to-refresh", flag_descriptions::kPullToRefreshName,
4796      flag_descriptions::kPullToRefreshDescription, kOsAura,
4797      MULTI_VALUE_TYPE(kPullToRefreshChoices)},
4798 #endif  // USE_AURA
4799     {"overscroll-history-navigation-setting",
4800      flag_descriptions::kOverscrollHistoryNavigationSettingName,
4801      flag_descriptions::kOverscrollHistoryNavigationSettingDescription,
4802      kOsDesktop,
4803      FEATURE_VALUE_TYPE(features::kOverscrollHistoryNavigationSetting)},
4804     {"enable-touch-drag-drop", flag_descriptions::kTouchDragDropName,
4805      flag_descriptions::kTouchDragDropDescription, kOsWin | kOsCrOS,
4806      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableTouchDragDrop,
4807                                switches::kDisableTouchDragDrop)},
4808     {"touch-selection-strategy", flag_descriptions::kTouchSelectionStrategyName,
4809      flag_descriptions::kTouchSelectionStrategyDescription,
4810      kOsAndroid,  // TODO(mfomitchev): Add CrOS/Win/Linux support soon.
4811      MULTI_VALUE_TYPE(kTouchTextSelectionStrategyChoices)},
4812 #if BUILDFLAG(IS_CHROMEOS_ASH)
4813     {"enable-virtual-keyboard", flag_descriptions::kVirtualKeyboardName,
4814      flag_descriptions::kVirtualKeyboardDescription, kOsCrOS,
4815      SINGLE_VALUE_TYPE(keyboard::switches::kEnableVirtualKeyboard)},
4816     {"disable-virtual-keyboard",
4817      flag_descriptions::kVirtualKeyboardDisabledName,
4818      flag_descriptions::kVirtualKeyboardDisabledDescription, kOsCrOS,
4819      SINGLE_VALUE_TYPE(keyboard::switches::kDisableVirtualKeyboard)},
4820 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
4821     {"enable-webgl-developer-extensions",
4822      flag_descriptions::kWebglDeveloperExtensionsName,
4823      flag_descriptions::kWebglDeveloperExtensionsDescription, kOsAll,
4824      SINGLE_VALUE_TYPE(switches::kEnableWebGLDeveloperExtensions)},
4825     {"enable-webgl-draft-extensions",
4826      flag_descriptions::kWebglDraftExtensionsName,
4827      flag_descriptions::kWebglDraftExtensionsDescription, kOsAll,
4828      SINGLE_VALUE_TYPE(switches::kEnableWebGLDraftExtensions)},
4829     {"enable-zero-copy", flag_descriptions::kZeroCopyName,
4830      flag_descriptions::kZeroCopyDescription, kOsAll,
4831      ENABLE_DISABLE_VALUE_TYPE(blink::switches::kEnableZeroCopy,
4832                                blink::switches::kDisableZeroCopy)},
4833     {"enable-vulkan", flag_descriptions::kEnableVulkanName,
4834      flag_descriptions::kEnableVulkanDescription,
4835      kOsWin | kOsLinux | kOsAndroid | kOsCrOS,
4836      FEATURE_VALUE_TYPE(features::kVulkan)},
4837 #if BUILDFLAG(IS_ANDROID)
4838     {"translate-message-ui", flag_descriptions::kTranslateMessageUIName,
4839      flag_descriptions::kTranslateMessageUIDescription, kOsAndroid,
4840      FEATURE_WITH_PARAMS_VALUE_TYPE(translate::kTranslateMessageUI,
4841                                     kTranslateMessageUIVariations,
4842                                     "TranslateMessageUI")},
4843 #endif  // BUILDFLAG(IS_ANDROID)
4844
4845 #if BUILDFLAG(ENABLE_SYSTEM_NOTIFICATIONS) && !BUILDFLAG(IS_CHROMEOS_ASH)
4846     {"enable-system-notifications",
4847      flag_descriptions::kNotificationsSystemFlagName,
4848      flag_descriptions::kNotificationsSystemFlagDescription,
4849      kOsMac | kOsLinux | kOsWin,
4850      FEATURE_VALUE_TYPE(features::kSystemNotifications)},
4851 #endif  // BUILDFLAG(ENABLE_SYSTEM_NOTIFICATIONS) && !BUILDFLAG(IS_CHROMEOS_ASH)
4852 #if BUILDFLAG(IS_ANDROID)
4853     {"adaptive-button-in-top-toolbar",
4854      flag_descriptions::kAdaptiveButtonInTopToolbarName,
4855      flag_descriptions::kAdaptiveButtonInTopToolbarDescription, kOsAndroid,
4856      FEATURE_WITH_PARAMS_VALUE_TYPE(
4857          chrome::android::kAdaptiveButtonInTopToolbar,
4858          kAdaptiveButtonInTopToolbarVariations,
4859          "OptionalToolbarButton")},
4860     {"adaptive-button-in-top-toolbar-translate",
4861      flag_descriptions::kAdaptiveButtonInTopToolbarTranslateName,
4862      flag_descriptions::kAdaptiveButtonInTopToolbarTranslateDescription,
4863      kOsAndroid,
4864      FEATURE_VALUE_TYPE(chrome::android::kAdaptiveButtonInTopToolbarTranslate)},
4865     {"adaptive-button-in-top-toolbar-add-to-bookmarks",
4866      flag_descriptions::kAdaptiveButtonInTopToolbarAddToBookmarksName,
4867      flag_descriptions::kAdaptiveButtonInTopToolbarAddToBookmarksDescription,
4868      kOsAndroid,
4869      FEATURE_VALUE_TYPE(
4870          chrome::android::kAdaptiveButtonInTopToolbarAddToBookmarks)},
4871     {"adaptive-button-in-top-toolbar-customization",
4872      flag_descriptions::kAdaptiveButtonInTopToolbarCustomizationName,
4873      flag_descriptions::kAdaptiveButtonInTopToolbarCustomizationDescription,
4874      kOsAndroid,
4875      FEATURE_WITH_PARAMS_VALUE_TYPE(
4876          chrome::android::kAdaptiveButtonInTopToolbarCustomizationV2,
4877          kAdaptiveButtonInTopToolbarCustomizationVariations,
4878          "OptionalToolbarButtonCustomization")},
4879     {"contextual-page-actions", flag_descriptions::kContextualPageActionsName,
4880      flag_descriptions::kContextualPageActionsDescription, kOsAndroid,
4881      FEATURE_WITH_PARAMS_VALUE_TYPE(
4882          segmentation_platform::features::kContextualPageActions,
4883          kContextualPageActionsVariations,
4884          "ContextualPageActions")},
4885     {"contextual-page-actions-with-price-tracking",
4886      flag_descriptions::kContextualPageActionsPriceTrackingName,
4887      flag_descriptions::kContextualPageActionsPriceTrackingDescription,
4888      kOsAndroid,
4889      FEATURE_WITH_PARAMS_VALUE_TYPE(
4890          segmentation_platform::features::kContextualPageActionPriceTracking,
4891          kContextualPageActionPriceTrackingVariations,
4892          "ContextualPageActionPriceTracking")},
4893     {"contextual-page-actions-reader-mode",
4894      flag_descriptions::kContextualPageActionsReaderModeName,
4895      flag_descriptions::kContextualPageActionsReaderModeDescription, kOsAndroid,
4896      FEATURE_WITH_PARAMS_VALUE_TYPE(
4897          segmentation_platform::features::kContextualPageActionReaderMode,
4898          kContextualPageActionReaderModeVariations,
4899          "ContextualPageActionReaderMode")},
4900     {"contextual-page-actions-share-model",
4901      flag_descriptions::kContextualPageActionsShareModelName,
4902      flag_descriptions::kContextualPageActionsShareModelDescription, kOsAndroid,
4903      FEATURE_VALUE_TYPE(
4904          segmentation_platform::features::kContextualPageActionShareModel)},
4905     {"reader-mode-heuristics", flag_descriptions::kReaderModeHeuristicsName,
4906      flag_descriptions::kReaderModeHeuristicsDescription, kOsAndroid,
4907      MULTI_VALUE_TYPE(kReaderModeHeuristicsChoices)},
4908     {"screenshots-for-android-v2",
4909      flag_descriptions::kScreenshotsForAndroidV2Name,
4910      flag_descriptions::kScreenshotsForAndroidV2Description, kOsAndroid,
4911      FEATURE_VALUE_TYPE(share::kScreenshotsForAndroidV2)},
4912     {"default-viewport-is-device-width",
4913      flag_descriptions::kDefaultViewportIsDeviceWidthName,
4914      flag_descriptions::kDefaultViewportIsDeviceWidthDescription, kOsAndroid,
4915      FEATURE_VALUE_TYPE(blink::features::kDefaultViewportIsDeviceWidth)},
4916 #endif  // BUILDFLAG(IS_ANDROID)
4917     {"in-product-help-demo-mode-choice",
4918      flag_descriptions::kInProductHelpDemoModeChoiceName,
4919      flag_descriptions::kInProductHelpDemoModeChoiceDescription, kOsAll,
4920      FEATURE_WITH_PARAMS_VALUE_TYPE(
4921          feature_engagement::kIPHDemoMode,
4922          feature_engagement::kIPHDemoModeChoiceVariations,
4923          "IPH_DemoMode")},
4924     {"in-product-help-use-client-config",
4925      flag_descriptions::kInProductHelpUseClientConfigName,
4926      flag_descriptions::kInProductHelpUseClientConfigDescription, kOsAll,
4927      FEATURE_VALUE_TYPE(feature_engagement::kUseClientConfigIPH)},
4928 #if BUILDFLAG(IS_CHROMEOS_ASH)
4929     {"enable-lock-screen-notification",
4930      flag_descriptions::kLockScreenNotificationName,
4931      flag_descriptions::kLockScreenNotificationDescription, kOsCrOS,
4932      FEATURE_VALUE_TYPE(ash::features::kLockScreenNotifications)},
4933 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
4934 #if BUILDFLAG(IS_CHROMEOS_ASH)
4935     {"system-extensions", flag_descriptions::kSystemExtensionsName,
4936      flag_descriptions::kSystemExtensionsDescription, kOsCrOS,
4937      FEATURE_VALUE_TYPE(ash::features::kSystemExtensions)},
4938     {"enable-service-workers-for-chrome-untrusted",
4939      flag_descriptions::kEnableServiceWorkersForChromeUntrustedName,
4940      flag_descriptions::kEnableServiceWorkersForChromeUntrustedDescription,
4941      kOsCrOS,
4942      FEATURE_VALUE_TYPE(features::kEnableServiceWorkersForChromeUntrusted)},
4943     {"enterprise-reporting-ui", flag_descriptions::kEnterpriseReportingUIName,
4944      flag_descriptions::kEnterpriseReportingUIDescription, kOsCrOS,
4945      FEATURE_VALUE_TYPE(ash::features::kEnterpriseReportingUI)},
4946     {"crostini-reset-lxd-db", flag_descriptions::kCrostiniResetLxdDbName,
4947      flag_descriptions::kCrostiniResetLxdDbDescription, kOsCrOS,
4948      FEATURE_VALUE_TYPE(ash::features::kCrostiniResetLxdDb)},
4949     {"terminal-alternative-emulator",
4950      flag_descriptions::kTerminalAlternativeEmulatorName,
4951      flag_descriptions::kTerminalAlternativeEmulatorDescription, kOsCrOS,
4952      FEATURE_VALUE_TYPE(ash::features::kTerminalAlternativeEmulator)},
4953     {"terminal-dev", flag_descriptions::kTerminalDevName,
4954      flag_descriptions::kTerminalDevDescription, kOsCrOS,
4955      FEATURE_VALUE_TYPE(ash::features::kTerminalDev)},
4956     {"permissive-usb-passthrough",
4957      flag_descriptions::kPermissiveUsbPassthroughName,
4958      flag_descriptions::kPermissiveUsbPassthroughDescription, kOsCrOS,
4959      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootPermissiveUsbPassthrough")},
4960     {"crostini-multi-container", flag_descriptions::kCrostiniMultiContainerName,
4961      flag_descriptions::kCrostiniMultiContainerDescription, kOsCrOS,
4962      FEATURE_VALUE_TYPE(ash::features::kCrostiniMultiContainer)},
4963     {"crostini-qt-ime-support", flag_descriptions::kCrostiniQtImeSupportName,
4964      flag_descriptions::kCrostiniQtImeSupportDescription, kOsCrOS,
4965      FEATURE_VALUE_TYPE(ash::features::kCrostiniQtImeSupport)},
4966     {"crostini-virtual-keyboard-support",
4967      flag_descriptions::kCrostiniVirtualKeyboardSupportName,
4968      flag_descriptions::kCrostiniVirtualKeyboardSupportDescription, kOsCrOS,
4969      FEATURE_VALUE_TYPE(ash::features::kCrostiniVirtualKeyboardSupport)},
4970     {"crostini-use-lxd-5", flag_descriptions::kCrostiniUseLxd5Name,
4971      flag_descriptions::kCrostiniUseLxd5Description, kOsCrOS,
4972      FEATURE_VALUE_TYPE(ash::features::kCrostiniUseLxd5)},
4973     {"bruschetta", flag_descriptions::kBruschettaName,
4974      flag_descriptions::kBruschettaDescription, kOsCrOS,
4975      FEATURE_VALUE_TYPE(ash::features::kBruschetta)},
4976 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
4977 #if (BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || \
4978      BUILDFLAG(IS_ANDROID)) &&                        \
4979     !BUILDFLAG(IS_NACL)
4980     {"mojo-linux-sharedmem", flag_descriptions::kMojoLinuxChannelSharedMemName,
4981      flag_descriptions::kMojoLinuxChannelSharedMemDescription,
4982      kOsCrOS | kOsLinux | kOsLacros | kOsAndroid,
4983      FEATURE_VALUE_TYPE(mojo::core::kMojoLinuxChannelSharedMem)},
4984 #endif
4985 #if BUILDFLAG(IS_ANDROID)
4986     {"enable-site-isolation-for-password-sites",
4987      flag_descriptions::kSiteIsolationForPasswordSitesName,
4988      flag_descriptions::kSiteIsolationForPasswordSitesDescription, kOsAndroid,
4989      FEATURE_VALUE_TYPE(
4990          site_isolation::features::kSiteIsolationForPasswordSites)},
4991     {"enable-site-per-process", flag_descriptions::kStrictSiteIsolationName,
4992      flag_descriptions::kStrictSiteIsolationDescription, kOsAndroid,
4993      SINGLE_VALUE_TYPE(switches::kSitePerProcess)},
4994 #endif
4995     {"enable-isolated-web-apps", flag_descriptions::kEnableIsolatedWebAppsName,
4996      flag_descriptions::kEnableIsolatedWebAppsDescription, kOsDesktop,
4997      FEATURE_VALUE_TYPE(features::kIsolatedWebApps)},
4998 #if BUILDFLAG(IS_CHROMEOS)
4999     {"enable-isolated-web-app-automatic-updates",
5000      flag_descriptions::kEnableIsolatedWebAppAutomaticUpdatesName,
5001      flag_descriptions::kEnableIsolatedWebAppAutomaticUpdatesDescription,
5002      kOsCrOS | kOsLacros,
5003      FEATURE_VALUE_TYPE(features::kIsolatedWebAppAutomaticUpdates)},
5004 #endif
5005     {"enable-isolated-web-app-dev-mode",
5006      flag_descriptions::kEnableIsolatedWebAppDevModeName,
5007      flag_descriptions::kEnableIsolatedWebAppDevModeDescription, kOsDesktop,
5008      FEATURE_VALUE_TYPE(features::kIsolatedWebAppDevMode)},
5009 #if BUILDFLAG(IS_CHROMEOS)
5010     {"install-isolated-web-app-from-url",
5011      flag_descriptions::kInstallIsolatedWebAppFromUrl,
5012      flag_descriptions::kInstallIsolatedWebAppFromUrlDescription, kOsAll,
5013      ORIGIN_LIST_VALUE_TYPE(switches::kInstallIsolatedWebAppFromUrl, "")},
5014 #endif
5015     {"isolate-origins", flag_descriptions::kIsolateOriginsName,
5016      flag_descriptions::kIsolateOriginsDescription, kOsAll,
5017      ORIGIN_LIST_VALUE_TYPE(switches::kIsolateOrigins, "")},
5018     {about_flags::kSiteIsolationTrialOptOutInternalName,
5019      flag_descriptions::kSiteIsolationOptOutName,
5020      flag_descriptions::kSiteIsolationOptOutDescription, kOsAll,
5021      MULTI_VALUE_TYPE(kSiteIsolationOptOutChoices)},
5022     {"isolation-by-default", flag_descriptions::kIsolationByDefaultName,
5023      flag_descriptions::kIsolationByDefaultDescription, kOsAll,
5024      SINGLE_VALUE_TYPE(switches::kIsolationByDefault)},
5025     {"allow-insecure-localhost", flag_descriptions::kAllowInsecureLocalhostName,
5026      flag_descriptions::kAllowInsecureLocalhostDescription, kOsAll,
5027      SINGLE_VALUE_TYPE(switches::kAllowInsecureLocalhost)},
5028     {"text-based-audio-descriptions",
5029      flag_descriptions::kTextBasedAudioDescriptionName,
5030      flag_descriptions::kTextBasedAudioDescriptionDescription, kOsAll,
5031      FEATURE_VALUE_TYPE(features::kTextBasedAudioDescription)},
5032     {"bypass-app-banner-engagement-checks",
5033      flag_descriptions::kBypassAppBannerEngagementChecksName,
5034      flag_descriptions::kBypassAppBannerEngagementChecksDescription, kOsAll,
5035      SINGLE_VALUE_TYPE(webapps::switches::kBypassAppBannerEngagementChecks)},
5036     {"enable-pwas-default-offline-page",
5037      flag_descriptions::kPWAsDefaultOfflinePageName,
5038      flag_descriptions::kPWAsDefaultOfflinePageDescription,
5039      kOsAndroid | kOsDesktop,
5040      FEATURE_VALUE_TYPE(features::kPWAsDefaultOfflinePage)},
5041     {"enable-desktop-pwas-elided-extensions-menu",
5042      flag_descriptions::kDesktopPWAsElidedExtensionsMenuName,
5043      flag_descriptions::kDesktopPWAsElidedExtensionsMenuDescription, kOsDesktop,
5044      FEATURE_VALUE_TYPE(features::kDesktopPWAsElidedExtensionsMenu)},
5045     {"enable-desktop-pwas-tab-strip",
5046      flag_descriptions::kDesktopPWAsTabStripName,
5047      flag_descriptions::kDesktopPWAsTabStripDescription, kOsDesktop,
5048      FEATURE_VALUE_TYPE(blink::features::kDesktopPWAsTabStrip)},
5049     {"enable-desktop-pwas-tab-strip-settings",
5050      flag_descriptions::kDesktopPWAsTabStripSettingsName,
5051      flag_descriptions::kDesktopPWAsTabStripSettingsDescription, kOsDesktop,
5052      FEATURE_VALUE_TYPE(features::kDesktopPWAsTabStripSettings)},
5053     {"enable-desktop-pwas-tab-strip-customizations",
5054      flag_descriptions::kDesktopPWAsTabStripCustomizationsName,
5055      flag_descriptions::kDesktopPWAsTabStripCustomizationsDescription,
5056      kOsDesktop,
5057      FEATURE_VALUE_TYPE(blink::features::kDesktopPWAsTabStripCustomizations)},
5058     {"enable-desktop-pwas-launch-handler",
5059      flag_descriptions::kDesktopPWAsLaunchHandlerName,
5060      flag_descriptions::kDesktopPWAsLaunchHandlerDescription, kOsDesktop,
5061      FEATURE_VALUE_TYPE(blink::features::kWebAppEnableLaunchHandler)},
5062     {"enable-desktop-pwas-sub-apps", flag_descriptions::kDesktopPWAsSubAppsName,
5063      flag_descriptions::kDesktopPWAsSubAppsDescription,
5064      kOsWin | kOsLinux | kOsLacros | kOsMac | kOsCrOS | kOsFuchsia,
5065      FEATURE_VALUE_TYPE(blink::features::kDesktopPWAsSubApps)},
5066     {"enable-desktop-pwas-scope-extensions",
5067      flag_descriptions::kDesktopPWAsScopeExtensionsName,
5068      flag_descriptions::kDesktopPWAsScopeExtensionsDescription, kOsDesktop,
5069      FEATURE_VALUE_TYPE(blink::features::kWebAppEnableScopeExtensions)},
5070     {"enable-desktop-pwas-borderless",
5071      flag_descriptions::kDesktopPWAsBorderlessName,
5072      flag_descriptions::kDesktopPWAsBorderlessDescription,
5073      kOsLinux | kOsLacros | kOsCrOS,
5074      FEATURE_VALUE_TYPE(blink::features::kWebAppBorderless)},
5075     {"enable-desktop-pwas-additional-windowing-controls",
5076      flag_descriptions::kDesktopPWAsAdditionalWindowingControlsName,
5077      flag_descriptions::kDesktopPWAsAdditionalWindowingControlsDescription,
5078      kOsWin | kOsLinux | kOsLacros | kOsMac | kOsCrOS | kOsFuchsia,
5079      FEATURE_VALUE_TYPE(
5080          blink::features::kDesktopPWAsAdditionalWindowingControls)},
5081     {"enable-desktop-pwas-web-bundles",
5082      flag_descriptions::kDesktopPWAsWebBundlesName,
5083      flag_descriptions::kDesktopPWAsWebBundlesDescription, kOsDesktop,
5084      FEATURE_VALUE_TYPE(features::kDesktopPWAsWebBundles)},
5085     {"record-web-app-debug-info", flag_descriptions::kRecordWebAppDebugInfoName,
5086      flag_descriptions::kRecordWebAppDebugInfoDescription, kOsDesktop,
5087      FEATURE_VALUE_TYPE(features::kRecordWebAppDebugInfo)},
5088 #if !BUILDFLAG(IS_ANDROID)
5089     {"web-app-dedupe-install-urls",
5090      flag_descriptions::kWebAppDedupeInstallUrlsName,
5091      flag_descriptions::kWebAppDedupeInstallUrlsDescription, kOsDesktop,
5092      FEATURE_VALUE_TYPE(features::kWebAppDedupeInstallUrls)},
5093     {"web-app-manifest-immediate-updating",
5094      flag_descriptions::kWebAppManifestImmediateUpdatingName,
5095      flag_descriptions::kWebAppManifestImmediateUpdatingDescription, kOsDesktop,
5096      FEATURE_VALUE_TYPE(features::kWebAppManifestImmediateUpdating)},
5097     {"web-app-sync-generated-icon-background-fix",
5098      flag_descriptions::kWebAppSyncGeneratedIconBackgroundFixName,
5099      flag_descriptions::kWebAppSyncGeneratedIconBackgroundFixDescription,
5100      kOsDesktop,
5101      FEATURE_VALUE_TYPE(features::kWebAppSyncGeneratedIconBackgroundFix)},
5102     {"web-app-sync-generated-icon-retroactive-fix",
5103      flag_descriptions::kWebAppSyncGeneratedIconRetroactiveFixName,
5104      flag_descriptions::kWebAppSyncGeneratedIconRetroactiveFixDescription,
5105      kOsDesktop,
5106      FEATURE_VALUE_TYPE(features::kWebAppSyncGeneratedIconRetroactiveFix)},
5107     {"web-app-sync-generated-icon-update-fix",
5108      flag_descriptions::kWebAppSyncGeneratedIconUpdateFixName,
5109      flag_descriptions::kWebAppSyncGeneratedIconUpdateFixDescription,
5110      kOsDesktop,
5111      FEATURE_VALUE_TYPE(features::kWebAppSyncGeneratedIconUpdateFix)},
5112 #endif  // !BUILDFLAG(IS_ANDROID)
5113     {"use-sync-sandbox", flag_descriptions::kSyncSandboxName,
5114      flag_descriptions::kSyncSandboxDescription, kOsAll,
5115      SINGLE_VALUE_TYPE_AND_VALUE(
5116          syncer::kSyncServiceURL,
5117          "https://chrome-sync.sandbox.google.com/chrome-sync/alpha")},
5118 #if !BUILDFLAG(IS_ANDROID)
5119     {"media-router-cast-allow-all-ips",
5120      flag_descriptions::kMediaRouterCastAllowAllIPsName,
5121      flag_descriptions::kMediaRouterCastAllowAllIPsDescription, kOsDesktop,
5122      FEATURE_VALUE_TYPE(media_router::kCastAllowAllIPsFeature)},
5123     {"global-media-controls-cast-start-stop",
5124      flag_descriptions::kGlobalMediaControlsCastStartStopName,
5125      flag_descriptions::kGlobalMediaControlsCastStartStopDescription,
5126      kOsDesktop,
5127      FEATURE_VALUE_TYPE(media_router::kGlobalMediaControlsCastStartStop)},
5128     {"media-remoting-without-fullscreen",
5129      flag_descriptions::kMediaRemotingWithoutFullscreenName,
5130      flag_descriptions::kMediaRemotingWithoutFullscreenDescription, kOsDesktop,
5131      FEATURE_VALUE_TYPE(media::kMediaRemotingWithoutFullscreen)},
5132     {"remote-playback-backend", flag_descriptions::kRemotePlaybackBackendName,
5133      flag_descriptions::kRemotePlaybackBackendDescription, kOsDesktop,
5134      FEATURE_VALUE_TYPE(blink::features::kRemotePlaybackBackend)},
5135     {"allow-all-sites-to-initiate-mirroring",
5136      flag_descriptions::kAllowAllSitesToInitiateMirroringName,
5137      flag_descriptions::kAllowAllSitesToInitiateMirroringDescription,
5138      kOsDesktop,
5139      FEATURE_VALUE_TYPE(media_router::kAllowAllSitesToInitiateMirroring)},
5140     {"media-route-dial-provider",
5141      flag_descriptions::kDialMediaRouteProviderName,
5142      flag_descriptions::kDialMediaRouteProviderDescription, kOsDesktop,
5143      FEATURE_VALUE_TYPE(media_router::kDialMediaRouteProvider)},
5144
5145     {"cast-streaming-hardware-h264",
5146      flag_descriptions::kCastStreamingHardwareH264Name,
5147      flag_descriptions::kCastStreamingHardwareH264Description, kOsDesktop,
5148      ENABLE_DISABLE_VALUE_TYPE(
5149          switches::kCastStreamingForceEnableHardwareH264,
5150          switches::kCastStreamingForceDisableHardwareH264)},
5151
5152     {"cast-streaming-hardware-vp8",
5153      flag_descriptions::kCastStreamingHardwareVp8Name,
5154      flag_descriptions::kCastStreamingHardwareVp8Description, kOsDesktop,
5155      ENABLE_DISABLE_VALUE_TYPE(
5156          switches::kCastStreamingForceEnableHardwareVp8,
5157          switches::kCastStreamingForceDisableHardwareVp8)},
5158
5159     {"cast-streaming-performance-overlay",
5160      flag_descriptions::kCastStreamingPerformanceOverlayName,
5161      flag_descriptions::kCastStreamingPerformanceOverlayDescription, kOsDesktop,
5162      FEATURE_VALUE_TYPE(media::kCastStreamingPerformanceOverlay)},
5163
5164     {"enable-openscreen-cast-streaming-session",
5165      flag_descriptions::kOpenscreenCastStreamingSessionName,
5166      flag_descriptions::kOpenscreenCastStreamingSessionDescription, kOsDesktop,
5167      FEATURE_VALUE_TYPE(media::kOpenscreenCastStreamingSession)},
5168
5169     {"enable-cast-streaming-av1", flag_descriptions::kCastStreamingAv1Name,
5170      flag_descriptions::kCastStreamingAv1Description, kOsDesktop,
5171      FEATURE_VALUE_TYPE(media::kCastStreamingAv1)},
5172
5173     {"enable-cast-streaming-vp9", flag_descriptions::kCastStreamingVp9Name,
5174      flag_descriptions::kCastStreamingVp9Description, kOsDesktop,
5175      FEATURE_VALUE_TYPE(media::kCastStreamingVp9)},
5176
5177     {"enable-cast-streaming-with-hidpi",
5178      flag_descriptions::kCastEnableStreamingWithHiDPIName,
5179      flag_descriptions::kCastEnableStreamingWithHiDPIDescription, kOsDesktop,
5180      FEATURE_VALUE_TYPE(mirroring::features::kCastEnableStreamingWithHiDPI)},
5181
5182     {"enable-os-integration-sub-managers",
5183      flag_descriptions::kEnableOsIntegrationSubManagersName,
5184      flag_descriptions::kEnableOsIntegrationSubManagersDescription, kOsDesktop,
5185      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kOsIntegrationSubManagers,
5186                                     kOsIntegrationSubManagersConfigVariations,
5187                                     "OsIntegrationSubManagers")},
5188
5189     {"password-sharing", flag_descriptions::kEnablePasswordSharingName,
5190      flag_descriptions::kEnablePasswordSharingDescription, kOsDesktop,
5191      MULTI_VALUE_TYPE(kEnablePasswordSharingChoices)},
5192
5193 #endif  // !BUILDFLAG(IS_ANDROID)
5194
5195 #if BUILDFLAG(IS_MAC)
5196     {"mac-syscall-sandbox", flag_descriptions::kMacSyscallSandboxName,
5197      flag_descriptions::kMacSyscallSandboxDescription, kOsMac,
5198      FEATURE_VALUE_TYPE(features::kMacSyscallSandbox)},
5199
5200     {"mac-loopback-audio-for-cast",
5201      flag_descriptions::kMacLoopbackAudioForCastName,
5202      flag_descriptions::kMacLoopbackAudioForCastDescription, kOsMac,
5203      FEATURE_VALUE_TYPE(media::kMacLoopbackAudioForCast)},
5204
5205     {"mac-loopback-audio-for-screen-share",
5206      flag_descriptions::kMacLoopbackAudioForScreenShareName,
5207      flag_descriptions::kMacLoopbackAudioForScreenShareDescription, kOsMac,
5208      FEATURE_VALUE_TYPE(media::kMacLoopbackAudioForScreenShare)},
5209 #endif  // BUILDFLAG(IS_MAC)
5210 #if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
5211     {"web-share", flag_descriptions::kWebShareName,
5212      flag_descriptions::kWebShareDescription, kOsWin | kOsCrOS | kOsMac,
5213      FEATURE_VALUE_TYPE(features::kWebShare)},
5214 #endif  // BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
5215
5216 #if BUILDFLAG(IS_LINUX)
5217     {"ozone-platform-hint", flag_descriptions::kOzonePlatformHintName,
5218      flag_descriptions::kOzonePlatformHintDescription, kOsLinux,
5219      MULTI_VALUE_TYPE(kOzonePlatformHintRuntimeChoices)},
5220 #endif  // BUILDFLAG(IS_LINUX)
5221
5222 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
5223     {"skip-undecryptable-passwords",
5224      flag_descriptions::kSkipUndecryptablePasswordsName,
5225      flag_descriptions::kSkipUndecryptablePasswordsDescription,
5226      kOsLinux | kOsMac,
5227      FEATURE_VALUE_TYPE(
5228          password_manager::features::kSkipUndecryptablePasswords)},
5229
5230     {"force-password-initial-sync-when-decryption-fails",
5231      flag_descriptions::kForcePasswordInitialSyncWhenDecryptionFailsName,
5232      flag_descriptions::kForcePasswordInitialSyncWhenDecryptionFailsDescription,
5233      kOsLinux | kOsMac,
5234      FEATURE_VALUE_TYPE(
5235          password_manager::features::kForceInitialSyncWhenDecryptionFails)},
5236 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
5237
5238 #if BUILDFLAG(ENABLE_VR)
5239     {"webxr-incubations", flag_descriptions::kWebXrIncubationsName,
5240      flag_descriptions::kWebXrIncubationsDescription, kOsAll,
5241      FEATURE_VALUE_TYPE(device::features::kWebXrIncubations)},
5242     {"webxr-internals", flag_descriptions::kWebXrInternalsName,
5243      flag_descriptions::kWebXrInternalsDescription, kOsDesktop | kOsAndroid,
5244      FEATURE_VALUE_TYPE(device::features::kWebXrInternals)},
5245     {"webxr-runtime", flag_descriptions::kWebXrForceRuntimeName,
5246      flag_descriptions::kWebXrForceRuntimeDescription, kOsDesktop | kOsAndroid,
5247      MULTI_VALUE_TYPE(kWebXrForceRuntimeChoices)},
5248 #if BUILDFLAG(IS_ANDROID)
5249     {"webxr-shared-buffers", flag_descriptions::kWebXrSharedBuffersName,
5250      flag_descriptions::kWebXrSharedBuffersDescription, kOsAndroid,
5251      FEATURE_VALUE_TYPE(device::features::kWebXrSharedBuffers)},
5252 #if BUILDFLAG(ENABLE_OPENXR)
5253     {"enable-openxr-android", flag_descriptions::kOpenXRName,
5254      flag_descriptions::kOpenXRDescription, kOsAndroid,
5255      FEATURE_VALUE_TYPE(device::features::kOpenXR)},
5256 #endif
5257 #endif  // BUILDFLAG(IS_ANDROID)
5258 #endif  // ENABLE_VR
5259 #if BUILDFLAG(IS_CHROMEOS_ASH)
5260     {"disable-accelerated-mjpeg-decode",
5261      flag_descriptions::kAcceleratedMjpegDecodeName,
5262      flag_descriptions::kAcceleratedMjpegDecodeDescription, kOsCrOS,
5263      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAcceleratedMjpegDecode)},
5264 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
5265     {"system-keyboard-lock", flag_descriptions::kSystemKeyboardLockName,
5266      flag_descriptions::kSystemKeyboardLockDescription, kOsDesktop,
5267      FEATURE_VALUE_TYPE(features::kSystemKeyboardLock)},
5268 #if BUILDFLAG(IS_ANDROID)
5269     {"add-to-homescreen-iph", flag_descriptions::kAddToHomescreenIPHName,
5270      flag_descriptions::kAddToHomescreenIPHDescription, kOsAndroid,
5271      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kAddToHomescreenIPH,
5272                                     kAddToHomescreenIPHVariations,
5273                                     "AddToHomescreen")},
5274     {"feature-notification-guide",
5275      flag_descriptions::kFeatureNotificationGuideName,
5276      flag_descriptions::kFeatureNotificationGuideDescription, kOsAndroid,
5277      FEATURE_WITH_PARAMS_VALUE_TYPE(
5278          feature_guide::features::kFeatureNotificationGuide,
5279          kFeatureNotificationGuideVariations,
5280          "FeatureNotificationGuide")},
5281     {"notification-permission-rationale-dialog",
5282      flag_descriptions::kNotificationPermissionRationaleName,
5283      flag_descriptions::kNotificationPermissionRationaleDescription, kOsAndroid,
5284      FEATURE_WITH_PARAMS_VALUE_TYPE(
5285          chrome::android::kNotificationPermissionVariant,
5286          kNotificationPermissionRationaleVariations,
5287          "NotificationPermissionVariant")},
5288     {"notification-permission-rationale-bottom-sheet",
5289      flag_descriptions::kNotificationPermissionRationaleBottomSheetName,
5290      flag_descriptions::kNotificationPermissionRationaleBottomSheetDescription,
5291      kOsAndroid,
5292      FEATURE_VALUE_TYPE(chrome::android::kNotificationPermissionBottomSheet)},
5293     {"feature-notification-guide-skip-check-for-low-engaged-users",
5294      flag_descriptions::
5295          kFeatureNotificationGuideSkipCheckForLowEngagedUsersName,
5296      flag_descriptions::
5297          kFeatureNotificationGuideSkipCheckForLowEngagedUsersDescription,
5298      kOsAll,
5299      FEATURE_VALUE_TYPE(feature_guide::features::kSkipCheckForLowEngagedUsers)},
5300     {"offline-pages-live-page-sharing",
5301      flag_descriptions::kOfflinePagesLivePageSharingName,
5302      flag_descriptions::kOfflinePagesLivePageSharingDescription, kOsAndroid,
5303      FEATURE_VALUE_TYPE(offline_pages::kOfflinePagesLivePageSharingFeature)},
5304     {"query-tiles", flag_descriptions::kQueryTilesName,
5305      flag_descriptions::kQueryTilesDescription, kOsAndroid,
5306      FEATURE_WITH_PARAMS_VALUE_TYPE(query_tiles::features::kQueryTiles,
5307                                     kQueryTilesVariations,
5308                                     "QueryTilesVariations")},
5309     {"query-tiles-ntp", flag_descriptions::kQueryTilesNTPName,
5310      flag_descriptions::kQueryTilesNTPDescription, kOsAndroid,
5311      FEATURE_VALUE_TYPE(query_tiles::features::kQueryTilesInNTP)},
5312     {"query-tiles-on-start", flag_descriptions::kQueryTilesOnStartName,
5313      flag_descriptions::kQueryTilesOnStartDescription, kOsAndroid,
5314      FEATURE_VALUE_TYPE(query_tiles::features::kQueryTilesOnStart)},
5315     {"query-tiles-single-tier", flag_descriptions::kQueryTilesSingleTierName,
5316      flag_descriptions::kQueryTilesSingleTierDescription, kOsAndroid,
5317      SINGLE_VALUE_TYPE(query_tiles::switches::kQueryTilesSingleTier)},
5318     {"query-tiles-enable-query-editing",
5319      flag_descriptions::kQueryTilesEnableQueryEditingName,
5320      flag_descriptions::kQueryTilesEnableQueryEditingDescription, kOsAndroid,
5321      FEATURE_VALUE_TYPE(query_tiles::features::kQueryTilesEnableQueryEditing)},
5322     {"query-tiles-enable-trending",
5323      flag_descriptions::kQueryTilesEnableTrendingName,
5324      flag_descriptions::kQueryTilesEnableTrendingDescription, kOsAndroid,
5325      SINGLE_VALUE_TYPE(query_tiles::switches::kQueryTilesEnableTrending)},
5326     {"query-tiles-country-code", flag_descriptions::kQueryTilesCountryCode,
5327      flag_descriptions::kQueryTilesCountryCodeDescription, kOsAndroid,
5328      MULTI_VALUE_TYPE(kQueryTilesCountryChoices)},
5329     {"query-tiles-disable-country-override",
5330      flag_descriptions::kQueryTilesDisableCountryOverrideName,
5331      flag_descriptions::kQueryTilesDisableCountryOverrideDescription,
5332      kOsAndroid,
5333      FEATURE_VALUE_TYPE(
5334          query_tiles::features::kQueryTilesDisableCountryOverride)},
5335     {"query-tiles-instant-fetch",
5336      flag_descriptions::kQueryTilesInstantFetchName,
5337      flag_descriptions::kQueryTilesInstantFetchDescription, kOsAndroid,
5338      SINGLE_VALUE_TYPE(
5339          query_tiles::switches::kQueryTilesInstantBackgroundTask)},
5340     {"query-tiles-rank-tiles", flag_descriptions::kQueryTilesRankTilesName,
5341      flag_descriptions::kQueryTilesRankTilesDescription, kOsAndroid,
5342      SINGLE_VALUE_TYPE(query_tiles::switches::kQueryTilesRankTiles)},
5343     {"query-tiles-segmentation", flag_descriptions::kQueryTilesSegmentationName,
5344      flag_descriptions::kQueryTilesSegmentationDescription, kOsAndroid,
5345      FEATURE_VALUE_TYPE(query_tiles::features::kQueryTilesSegmentation)},
5346     {"query-tiles-swap-trending",
5347      flag_descriptions::kQueryTilesSwapTrendingName,
5348      flag_descriptions::kQueryTilesSwapTrendingDescription, kOsAndroid,
5349      FEATURE_VALUE_TYPE(
5350          query_tiles::features::kQueryTilesRemoveTrendingTilesAfterInactivity)},
5351     {"reengagement-notification",
5352      flag_descriptions::kReengagementNotificationName,
5353      flag_descriptions::kReengagementNotificationDescription, kOsAndroid,
5354      FEATURE_VALUE_TYPE(chrome::android::kReengagementNotification)},
5355     {"back-gesture-activity-tab-provider",
5356      flag_descriptions::kBackGestureActivityTabProviderName,
5357      flag_descriptions::kBackGestureActivityTabProviderDescription, kOsAndroid,
5358      FEATURE_VALUE_TYPE(chrome::android::kBackGestureRefactorAndroid)},
5359     {"back-gesture-refactor-android",
5360      flag_descriptions::kBackGestureRefactorAndroidName,
5361      flag_descriptions::kBackGestureRefactorAndroidDescription, kOsAndroid,
5362      FEATURE_VALUE_TYPE(chrome::android::kBackGestureRefactorAndroid)},
5363     {"back-gesture-refactor-activity-android",
5364      flag_descriptions::kBackGestureRefactorActivityAndroidName,
5365      flag_descriptions::kBackGestureRefactorActivityAndroidDescription,
5366      kOsAndroid,
5367      FEATURE_VALUE_TYPE(chrome::android::kBackGestureRefactorActivityAndroid)},
5368     {"draw-cutout-edge-to-edge", flag_descriptions::kDrawCutoutEdgeToEdgeName,
5369      flag_descriptions::kDrawCutoutEdgeToEdgeDescription, kOsAndroid,
5370      FEATURE_VALUE_TYPE(features::kDrawCutoutEdgeToEdge)},
5371     {"draw-edge-to-edge", flag_descriptions::kDrawEdgeToEdgeName,
5372      flag_descriptions::kDrawEdgeToEdgeDescription, kOsAndroid,
5373      FEATURE_VALUE_TYPE(chrome::android::kDrawEdgeToEdge)},
5374     {"draw-native-edge-to-edge", flag_descriptions::kDrawNativeEdgeToEdgeName,
5375      flag_descriptions::kDrawNativeEdgeToEdgeDescription, kOsAndroid,
5376      FEATURE_VALUE_TYPE(chrome::android::kDrawNativeEdgeToEdge)},
5377     {"draw-web-edge-to-edge", flag_descriptions::kDrawWebEdgeToEdgeName,
5378      flag_descriptions::kDrawWebEdgeToEdgeDescription, kOsAndroid,
5379      FEATURE_VALUE_TYPE(chrome::android::kDrawWebEdgeToEdge)},
5380     {"infobar-scroll-optimization",
5381      flag_descriptions::kInfobarScrollOptimizationName,
5382      flag_descriptions::kInfobarScrollOptimizationDescription, kOsAndroid,
5383      FEATURE_VALUE_TYPE(chrome::android::kInfobarScrollOptimization)},
5384     {"share-sheet-migration-android",
5385      flag_descriptions::kShareSheetMigrationAndroidName,
5386      flag_descriptions::kShareSheetMigrationAndroidDescription, kOsAndroid,
5387      FEATURE_VALUE_TYPE(chrome::android::kShareSheetMigrationAndroid)},
5388     {"share-sheet-custom-actions-polish",
5389      flag_descriptions::kShareSheetCustomActionsPolishName,
5390      flag_descriptions::kShareSheetCustomActionsPolishDescription, kOsAndroid,
5391      FEATURE_VALUE_TYPE(chrome::android::kShareSheetCustomActionsPolish)},
5392
5393 #endif  // BUILDFLAG(IS_ANDROID)
5394     {"disallow-doc-written-script-loads",
5395      flag_descriptions::kDisallowDocWrittenScriptsUiName,
5396      flag_descriptions::kDisallowDocWrittenScriptsUiDescription, kOsAll,
5397      // NOTE: if we want to add additional experiment entries for other
5398      // features controlled by kBlinkSettings, we'll need to add logic to
5399      // merge the flag values.
5400      ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(
5401          blink::switches::kBlinkSettings,
5402          "disallowFetchForDocWrittenScriptsInMainFrame=true",
5403          blink::switches::kBlinkSettings,
5404          "disallowFetchForDocWrittenScriptsInMainFrame=false")},
5405 #if !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_CHROMEOS_ASH)
5406     {"disallow-managed-profile-signout",
5407      flag_descriptions::kDisallowManagedProfileSignoutName,
5408      flag_descriptions::kDisallowManagedProfileSignoutDescription,
5409      kOsMac | kOsWin | kOsLinux | kOsLacros,
5410      FEATURE_VALUE_TYPE(kDisallowManagedProfileSignout)},
5411 #endif  // !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_CHROMEOS_ASH)
5412     {"view-transition-on-navigation",
5413      flag_descriptions::kViewTransitionOnNavigationName,
5414      flag_descriptions::kViewTransitionOnNavigationDescription, kOsAll,
5415      FEATURE_VALUE_TYPE(blink::features::kViewTransitionOnNavigation)},
5416 #if BUILDFLAG(IS_WIN)
5417     {"use-winrt-midi-api", flag_descriptions::kUseWinrtMidiApiName,
5418      flag_descriptions::kUseWinrtMidiApiDescription, kOsWin,
5419      FEATURE_VALUE_TYPE(midi::features::kMidiManagerWinrt)},
5420     {"webrtc-allow-wgc-screen-capturer",
5421      flag_descriptions::kWebRtcAllowWgcScreenCapturerName,
5422      flag_descriptions::kWebRtcAllowWgcScreenCapturerDescription, kOsWin,
5423      FEATURE_VALUE_TYPE(features::kWebRtcAllowWgcScreenCapturer)},
5424     {"webrtc-allow-wgc-window-capturer",
5425      flag_descriptions::kWebRtcAllowWgcWindowCapturerName,
5426      flag_descriptions::kWebRtcAllowWgcWindowCapturerDescription, kOsWin,
5427      FEATURE_VALUE_TYPE(features::kWebRtcAllowWgcWindowCapturer)},
5428 #endif  // BUILDFLAG(IS_WIN)
5429 #if defined(TOOLKIT_VIEWS) || BUILDFLAG(IS_ANDROID)
5430     {"enable-autofill-credit-card-upload",
5431      flag_descriptions::kAutofillCreditCardUploadName,
5432      flag_descriptions::kAutofillCreditCardUploadDescription, kOsAll,
5433      FEATURE_VALUE_TYPE(autofill::features::kAutofillUpstream)},
5434 #endif  // defined(TOOLKIT_VIEWS) || BUILDFLAG(IS_ANDROID)
5435     {"force-ui-direction", flag_descriptions::kForceUiDirectionName,
5436      flag_descriptions::kForceUiDirectionDescription, kOsAll,
5437      MULTI_VALUE_TYPE(kForceUIDirectionChoices)},
5438     {"force-text-direction", flag_descriptions::kForceTextDirectionName,
5439      flag_descriptions::kForceTextDirectionDescription, kOsAll,
5440      MULTI_VALUE_TYPE(kForceTextDirectionChoices)},
5441 #if BUILDFLAG(IS_ANDROID)
5442     {"force-update-menu-type", flag_descriptions::kUpdateMenuTypeName,
5443      flag_descriptions::kUpdateMenuTypeDescription, kOsAndroid,
5444      MULTI_VALUE_TYPE(kForceUpdateMenuTypeChoices)},
5445     {"update-menu-item-custom-summary",
5446      flag_descriptions::kUpdateMenuItemCustomSummaryName,
5447      flag_descriptions::kUpdateMenuItemCustomSummaryDescription, kOsAndroid,
5448      SINGLE_VALUE_TYPE_AND_VALUE(
5449          switches::kForceShowUpdateMenuItemCustomSummary,
5450          "Custom Summary")},
5451     {"force-show-update-menu-badge", flag_descriptions::kUpdateMenuBadgeName,
5452      flag_descriptions::kUpdateMenuBadgeDescription, kOsAndroid,
5453      SINGLE_VALUE_TYPE(switches::kForceShowUpdateMenuBadge)},
5454     {"set-market-url-for-testing",
5455      flag_descriptions::kSetMarketUrlForTestingName,
5456      flag_descriptions::kSetMarketUrlForTestingDescription, kOsAndroid,
5457      SINGLE_VALUE_TYPE_AND_VALUE(switches::kMarketUrlForTesting,
5458                                  "https://play.google.com/store/apps/"
5459                                  "details?id=com.android.chrome")},
5460     {"omaha-min-sdk-version-android",
5461      flag_descriptions::kOmahaMinSdkVersionAndroidName,
5462      flag_descriptions::kOmahaMinSdkVersionAndroidDescription, kOsAndroid,
5463      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kOmahaMinSdkVersionAndroid,
5464                                     kOmahaMinSdkVersionAndroidVariations,
5465                                     "OmahaMinSdkVersionAndroidStudy")},
5466 #endif  // BUILDFLAG(IS_ANDROID)
5467     {"enable-tls13-early-data", flag_descriptions::kEnableTLS13EarlyDataName,
5468      flag_descriptions::kEnableTLS13EarlyDataDescription, kOsAll,
5469      FEATURE_VALUE_TYPE(net::features::kEnableTLS13EarlyData)},
5470     {"enable-tls13-kyber", flag_descriptions::kEnableTLS13KyberName,
5471      flag_descriptions::kEnableTLS13KyberDescription, kOsAll,
5472      FEATURE_VALUE_TYPE(net::features::kPostQuantumKyber)},
5473 #if BUILDFLAG(IS_ANDROID)
5474     {"feed-back-to-top", flag_descriptions::kFeedBackToTopName,
5475      flag_descriptions::kFeedBackToTopDescription, kOsAndroid,
5476      FEATURE_VALUE_TYPE(feed::kFeedBackToTop)},
5477     {"feed-loading-placeholder", flag_descriptions::kFeedLoadingPlaceholderName,
5478      flag_descriptions::kFeedLoadingPlaceholderDescription, kOsAndroid,
5479      FEATURE_VALUE_TYPE(feed::kFeedLoadingPlaceholder)},
5480     {"feed-signed-out-view-demotion",
5481      flag_descriptions::kFeedSignedOutViewDemotionName,
5482      flag_descriptions::kFeedSignedOutViewDemotionDescription, kOsAndroid,
5483      FEATURE_VALUE_TYPE(feed::kFeedSignedOutViewDemotion)},
5484     {"feed-v2-hearts", flag_descriptions::kInterestFeedV2HeartsName,
5485      flag_descriptions::kInterestFeedV2HeartsDescription, kOsAndroid,
5486      FEATURE_VALUE_TYPE(feed::kInterestFeedV2Hearts)},
5487     {"info-card-acknowledgement-tracking",
5488      flag_descriptions::kInfoCardAcknowledgementTrackingName,
5489      flag_descriptions::kInfoCardAcknowledgementTrackingDescription, kOsAndroid,
5490      FEATURE_VALUE_TYPE(feed::kInfoCardAcknowledgementTracking)},
5491     {"web-feed", flag_descriptions::kWebFeedName,
5492      flag_descriptions::kWebFeedDescription, kOsAndroid,
5493      FEATURE_WITH_PARAMS_VALUE_TYPE(feed::kWebFeed,
5494                                     kWebFeedVariations,
5495                                     "WebFeed")},
5496     {"web-feed-awareness", flag_descriptions::kWebFeedAwarenessName,
5497      flag_descriptions::kWebFeedAwarenessDescription, kOsAndroid,
5498      FEATURE_WITH_PARAMS_VALUE_TYPE(feed::kWebFeedAwareness,
5499                                     kWebFeedAwarenessVariations,
5500                                     "WebFeedAwareness")},
5501     {"web-feed-onboarding", flag_descriptions::kWebFeedOnboardingName,
5502      flag_descriptions::kWebFeedOnboardingDescription, kOsAndroid,
5503      FEATURE_VALUE_TYPE(feed::kWebFeedOnboarding)},
5504     {"web-feed-sort", flag_descriptions::kWebFeedSortName,
5505      flag_descriptions::kWebFeedSortDescription, kOsAndroid,
5506      FEATURE_VALUE_TYPE(feed::kWebFeedSort)},
5507     {"feed-header-stick-to-top", flag_descriptions::kFeedHeaderStickToTopName,
5508      flag_descriptions::kFeedHeaderStickToTopDescription, kOsAndroid,
5509      FEATURE_VALUE_TYPE(feed::kFeedHeaderStickToTop)},
5510     {"xsurface-metrics-reporting",
5511      flag_descriptions::kXsurfaceMetricsReportingName,
5512      flag_descriptions::kXsurfaceMetricsReportingDescription, kOsAndroid,
5513      FEATURE_VALUE_TYPE(feed::kXsurfaceMetricsReporting)},
5514     {"feed-close-refresh", flag_descriptions::kFeedCloseRefreshName,
5515      flag_descriptions::kFeedCloseRefreshDescription, kOsAndroid,
5516      FEATURE_WITH_PARAMS_VALUE_TYPE(feed::kFeedCloseRefresh,
5517                                     kFeedCloseRefreshVariations,
5518                                     "FeedCloseRefresh")},
5519     {"feed-discofeed-endpoint", flag_descriptions::kFeedDiscoFeedEndpointName,
5520      flag_descriptions::kFeedDiscoFeedEndpointDescription, kOsAndroid,
5521      FEATURE_VALUE_TYPE(feed::kDiscoFeedEndpoint)},
5522     {"feed-dynamic-colors", flag_descriptions::kFeedDynamicColorsName,
5523      flag_descriptions::kFeedDynamicColorsDescription, kOsAndroid,
5524      FEATURE_VALUE_TYPE(feed::kFeedDynamicColors)},
5525     {"feed-follow-ui-update", flag_descriptions::kFeedFollowUiUpdateName,
5526      flag_descriptions::kFeedFollowUiUpdateDescription, kOsAndroid,
5527      FEATURE_VALUE_TYPE(feed::kFeedFollowUiUpdate)},
5528     {"feed-sports-card", flag_descriptions::kFeedSportsCardName,
5529      flag_descriptions::kFeedSportsCardDescription, kOsAndroid,
5530      FEATURE_VALUE_TYPE(feed::kFeedSportsCard)},
5531 #endif  // BUILDFLAG(IS_ANDROID)
5532 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) || \
5533     BUILDFLAG(IS_WIN) || BUILDFLAG(IS_FUCHSIA)
5534     {"following-feed-sidepanel", flag_descriptions::kFollowingFeedSidepanelName,
5535      flag_descriptions::kFollowingFeedSidepanelDescription, kOsDesktop,
5536      FEATURE_VALUE_TYPE(feed::kWebUiFeed)},
5537 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) ||
5538         // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_FUCHSIA)
5539     {"enable-force-dark", flag_descriptions::kAutoWebContentsDarkModeName,
5540      flag_descriptions::kAutoWebContentsDarkModeDescription, kOsAll,
5541 #if BUILDFLAG(IS_CHROMEOS_ASH)
5542      // TODO(https://crbug.com/1011696): Investigate crash reports and
5543      // re-enable variations for ChromeOS.
5544      FEATURE_VALUE_TYPE(blink::features::kForceWebContentsDarkMode)},
5545 #else
5546      FEATURE_WITH_PARAMS_VALUE_TYPE(blink::features::kForceWebContentsDarkMode,
5547                                     kForceDarkVariations,
5548                                     "ForceDarkVariations")},
5549 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
5550 #if BUILDFLAG(IS_ANDROID)
5551     {"enable-accessibility-page-zoom",
5552      flag_descriptions::kAccessibilityPageZoomName,
5553      flag_descriptions::kAccessibilityPageZoomDescription, kOsAndroid,
5554      FEATURE_VALUE_TYPE(features::kAccessibilityPageZoom)},
5555     {"enable-accessibility-performance-filtering",
5556      flag_descriptions::kAccessibilityPerformanceFilteringName,
5557      flag_descriptions::kAccessibilityPerformanceFilteringDescription,
5558      kOsAndroid,
5559      FEATURE_VALUE_TYPE(features::kAccessibilityPerformanceFiltering)},
5560     {"enable-smart-zoom", flag_descriptions::kSmartZoomName,
5561      flag_descriptions::kSmartZoomDescription, kOsAndroid,
5562      FEATURE_VALUE_TYPE(features::kSmartZoom)},
5563 #endif  // BUILDFLAG(IS_ANDROID)
5564     {"enable-experimental-accessibility-language-detection",
5565      flag_descriptions::kExperimentalAccessibilityLanguageDetectionName,
5566      flag_descriptions::kExperimentalAccessibilityLanguageDetectionDescription,
5567      kOsAll,
5568      SINGLE_VALUE_TYPE(
5569          ::switches::kEnableExperimentalAccessibilityLanguageDetection)},
5570     {"enable-experimental-accessibility-language-detection-dynamic",
5571      flag_descriptions::kExperimentalAccessibilityLanguageDetectionDynamicName,
5572      flag_descriptions::
5573          kExperimentalAccessibilityLanguageDetectionDynamicDescription,
5574      kOsAll,
5575      SINGLE_VALUE_TYPE(
5576          ::switches::kEnableExperimentalAccessibilityLanguageDetectionDynamic)},
5577     {"enable-aria-element-reflection",
5578      flag_descriptions::kAriaElementReflectionName,
5579      flag_descriptions::kAriaElementReflectionDescription, kOsAll,
5580      FEATURE_VALUE_TYPE(features::kEnableAriaElementReflection)},
5581 #if BUILDFLAG(IS_CHROMEOS_ASH)
5582     {"enable-cros-autocorrect-params-tuning",
5583      flag_descriptions::kAutocorrectParamsTuningName,
5584      flag_descriptions::kAutocorrectParamsTuningDescription, kOsCrOS,
5585      FEATURE_VALUE_TYPE(ash::features::kAutocorrectParamsTuning)},
5586     {"enable-cros-autocorrect-toggle",
5587      flag_descriptions::kAutocorrectToggleName,
5588      flag_descriptions::kAutocorrectToggleDescription, kOsCrOS,
5589      FEATURE_VALUE_TYPE(ash::features::kAutocorrectToggle)},
5590     {"enable-cros-autocorrect-by-default",
5591      flag_descriptions::kAutocorrectByDefaultName,
5592      flag_descriptions::kAutocorrectByDefaultDescription, kOsCrOS,
5593      FEATURE_VALUE_TYPE(ash::features::kAutocorrectByDefault)},
5594     {"enable-cros-autocorrect-use-replace-surrounding-text",
5595      flag_descriptions::kAutocorrectUseReplaceSurroundingTextName,
5596      flag_descriptions::kAutocorrectUseReplaceSurroundingTextDescription,
5597      kOsCrOS,
5598      FEATURE_VALUE_TYPE(ash::features::kAutocorrectUseReplaceSurroundingText)},
5599     {"enable-cros-avatars-cloud-migration",
5600      flag_descriptions::kAvatarsCloudMigrationName,
5601      flag_descriptions::kAvatarsCloudMigrationDescription, kOsCrOS,
5602      FEATURE_VALUE_TYPE(ash::features::kAvatarsCloudMigration)},
5603     {"enable-cros-diacritics-on-physical-keyboard-longpress",
5604      flag_descriptions::kDiacriticsOnPhysicalKeyboardLongpressName,
5605      flag_descriptions::kDiacriticsOnPhysicalKeyboardLongpressDescription,
5606      kOsCrOS,
5607      FEATURE_VALUE_TYPE(ash::features::kDiacriticsOnPhysicalKeyboardLongpress)},
5608     {"enable-cros-diacritics-use-replace-surrounding-text",
5609      flag_descriptions::kDiacriticsUseReplaceSurroundingTextName,
5610      flag_descriptions::kDiacriticsUseReplaceSurroundingTextDescription,
5611      kOsCrOS,
5612      FEATURE_VALUE_TYPE(ash::features::kDiacriticsUseReplaceSurroundingText)},
5613     {"enable-cros-first-party-vietnamese-input",
5614      flag_descriptions::kFirstPartyVietnameseInputName,
5615      flag_descriptions::kFirstPartyVietnameseInputDescription, kOsCrOS,
5616      FEATURE_VALUE_TYPE(ash::features::kFirstPartyVietnameseInput)},
5617     {"enable-cros-hindi-inscript-layout",
5618      flag_descriptions::kHindiInscriptLayoutName,
5619      flag_descriptions::kHindiInscriptLayoutDescription, kOsCrOS,
5620      FEATURE_VALUE_TYPE(ash::features::kHindiInscriptLayout)},
5621     {"enable-cros-ime-assist-emoji-enhanced",
5622      flag_descriptions::kImeAssistEmojiEnhancedName,
5623      flag_descriptions::kImeAssistEmojiEnhancedDescription, kOsCrOS,
5624      FEATURE_VALUE_TYPE(ash::features::kAssistEmojiEnhanced)},
5625     {"enable-cros-ime-assist-multi-word",
5626      flag_descriptions::kImeAssistMultiWordName,
5627      flag_descriptions::kImeAssistMultiWordDescription, kOsCrOS,
5628      FEATURE_VALUE_TYPE(ash::features::kAssistMultiWord)},
5629     {"enable-cros-ime-assist-multi-word-expanded",
5630      flag_descriptions::kImeAssistMultiWordExpandedName,
5631      flag_descriptions::kImeAssistMultiWordExpandedDescription, kOsCrOS,
5632      FEATURE_VALUE_TYPE(ash::features::kAssistMultiWordExpanded)},
5633     {"enable-cros-ime-fst-decoder-params-update",
5634      flag_descriptions::kImeFstDecoderParamsUpdateName,
5635      flag_descriptions::kImeFstDecoderParamsUpdateDescription, kOsCrOS,
5636      FEATURE_VALUE_TYPE(ash::features::kImeFstDecoderParamsUpdate)},
5637     {"enable-cros-virtual-keyboard-new-header",
5638      flag_descriptions::kVirtualKeyboardNewHeaderName,
5639      flag_descriptions::kVirtualKeyboardNewHeaderDescription, kOsCrOS,
5640      FEATURE_VALUE_TYPE(ash::features::kVirtualKeyboardNewHeader)},
5641     {"enable-cros-ime-system-emoji-picker-clipboard",
5642      flag_descriptions::kImeSystemEmojiPickerClipboardName,
5643      flag_descriptions::kImeSystemEmojiPickerClipboardDescription, kOsCrOS,
5644      FEATURE_VALUE_TYPE(ash::features::kImeSystemEmojiPickerClipboard)},
5645     {"enable-cros-ime-system-emoji-picker-extension",
5646      flag_descriptions::kImeSystemEmojiPickerExtensionName,
5647      flag_descriptions::kImeSystemEmojiPickerExtensionDescription, kOsCrOS,
5648      FEATURE_VALUE_TYPE(ash::features::kImeSystemEmojiPickerExtension)},
5649     {"enable-cros-ime-system-emoji-picker-gif-support",
5650      flag_descriptions::kImeSystemEmojiPickerGIFSupportName,
5651      flag_descriptions::kImeSystemEmojiPickerGIFSupportDescription, kOsCrOS,
5652      FEATURE_VALUE_TYPE(ash::features::kImeSystemEmojiPickerGIFSupport)},
5653     {"enable-cros-ime-system-emoji-picker-jelly-support",
5654      flag_descriptions::kImeSystemEmojiPickerJellySupportName,
5655      flag_descriptions::kImeSystemEmojiPickerJellySupportDescription, kOsCrOS,
5656      FEATURE_VALUE_TYPE(ash::features::kImeSystemEmojiPickerJellySupport)},
5657     {"enable-cros-ime-system-emoji-picker-search-extension",
5658      flag_descriptions::kImeSystemEmojiPickerSearchExtensionName,
5659      flag_descriptions::kImeSystemEmojiPickerSearchExtensionDescription,
5660      kOsCrOS,
5661      FEATURE_VALUE_TYPE(ash::features::kImeSystemEmojiPickerSearchExtension)},
5662     {"enable-cros-ime-stylus-handwriting",
5663      flag_descriptions::kImeStylusHandwritingName,
5664      flag_descriptions::kImeStylusHandwritingDescription, kOsCrOS,
5665      FEATURE_VALUE_TYPE(ash::features::kImeStylusHandwriting)},
5666     {"enable-cros-ime-tray-hide-voice-button",
5667      flag_descriptions::kImeTrayHideVoiceButtonName,
5668      flag_descriptions::kImeTrayHideVoiceButtonDescription, kOsCrOS,
5669      FEATURE_VALUE_TYPE(ash::features::kImeTrayHideVoiceButton)},
5670     {"enable-cros-ime-us-english-model-update",
5671      flag_descriptions::kImeUsEnglishModelUpdateName,
5672      flag_descriptions::kImeUsEnglishModelUpdateDescription, kOsCrOS,
5673      FEATURE_VALUE_TYPE(ash::features::kImeUsEnglishModelUpdate)},
5674     {"enable-cros-ime-korean-mode-switch-debug",
5675      flag_descriptions::kImeKoreanModeSwitchDebugName,
5676      flag_descriptions::kImeKoreanModeSwitchDebugDescription, kOsCrOS,
5677      FEATURE_VALUE_TYPE(ash::features::kImeKoreanModeSwitchDebug)},
5678     {"enable-cros-japanese-os-settings",
5679      flag_descriptions::kJapaneseOSSettingsName,
5680      flag_descriptions::kJapaneseOSSettingsDescription, kOsCrOS,
5681      FEATURE_VALUE_TYPE(ash::features::kJapaneseOSSettings)},
5682     {"enable-cros-multilingual-typing",
5683      flag_descriptions::kMultilingualTypingName,
5684      flag_descriptions::kMultilingualTypingDescription, kOsCrOS,
5685      FEATURE_VALUE_TYPE(ash::features::kMultilingualTyping)},
5686     {"enable-cros-on-device-grammar-check",
5687      flag_descriptions::kCrosOnDeviceGrammarCheckName,
5688      flag_descriptions::kCrosOnDeviceGrammarCheckDescription, kOsCrOS,
5689      FEATURE_VALUE_TYPE(ash::features::kOnDeviceGrammarCheck)},
5690     {"enable-cros-system-japanese-physical-typing",
5691      flag_descriptions::kSystemJapanesePhysicalTypingName,
5692      flag_descriptions::kSystemJapanesePhysicalTypingDescription, kOsCrOS,
5693      FEATURE_VALUE_TYPE(ash::features::kSystemJapanesePhysicalTyping)},
5694     {"enable-cros-virtual-keyboard-round-corners",
5695      flag_descriptions::kVirtualKeyboardRoundCornersName,
5696      flag_descriptions::kVirtualKeyboardRoundCornersDescription, kOsCrOS,
5697      FEATURE_VALUE_TYPE(ash::features::kVirtualKeyboardRoundCorners)},
5698     {"enable-cros-vm-memory-management-service",
5699      flag_descriptions::kVmMemoryManagementServiceName,
5700      flag_descriptions::kVmMemoryManagementServiceDescription, kOsCrOS,
5701      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootVmMemoryManagementService")},
5702     {"enable-experimental-accessibility-dictation-context-checking",
5703      flag_descriptions::kExperimentalAccessibilityDictationContextCheckingName,
5704      flag_descriptions::
5705          kExperimentalAccessibilityDictationContextCheckingDescription,
5706      kOsCrOS,
5707      FEATURE_VALUE_TYPE(
5708          features::kExperimentalAccessibilityDictationContextChecking)},
5709     {"enable-experimental-accessibility-google-tts-language-packs",
5710      flag_descriptions::kExperimentalAccessibilityGoogleTtsLanguagePacksName,
5711      flag_descriptions::
5712          kExperimentalAccessibilityGoogleTtsLanguagePacksDescription,
5713      kOsCrOS,
5714      FEATURE_VALUE_TYPE(
5715          features::kExperimentalAccessibilityGoogleTtsLanguagePacks)},
5716     {"enable-experimental-accessibility-google-tts-high-quality-voices",
5717      flag_descriptions::
5718          kExperimentalAccessibilityGoogleTtsHighQualityVoicesName,
5719      flag_descriptions::
5720          kExperimentalAccessibilityGoogleTtsHighQualityVoicesDescription,
5721      kOsCrOS,
5722      FEATURE_VALUE_TYPE(
5723          features::kExperimentalAccessibilityGoogleTtsHighQualityVoices)},
5724     {"enable-experimental-accessibility-manifest-v3",
5725      flag_descriptions::kExperimentalAccessibilityManifestV3Name,
5726      flag_descriptions::kExperimentalAccessibilityManifestV3Description,
5727      kOsCrOS,
5728      SINGLE_VALUE_TYPE(::switches::kEnableExperimentalAccessibilityManifestV3)},
5729     {"enable-experimental-accessibility-switch-access-text",
5730      flag_descriptions::kExperimentalAccessibilitySwitchAccessTextName,
5731      flag_descriptions::kExperimentalAccessibilitySwitchAccessTextDescription,
5732      kOsCrOS,
5733      SINGLE_VALUE_TYPE(
5734          ::switches::kEnableExperimentalAccessibilitySwitchAccessText)},
5735     {"expose-out-of-process-video-decoding-to-lacros",
5736      flag_descriptions::kExposeOutOfProcessVideoDecodingToLacrosName,
5737      flag_descriptions::kExposeOutOfProcessVideoDecodingToLacrosDescription,
5738      kOsCrOS,
5739      FEATURE_VALUE_TYPE(media::kExposeOutOfProcessVideoDecodingToLacros)},
5740     {"enable-system-proxy-for-system-services",
5741      flag_descriptions::kSystemProxyForSystemServicesName,
5742      flag_descriptions::kSystemProxyForSystemServicesDescription, kOsCrOS,
5743      FEATURE_VALUE_TYPE(ash::features::kSystemProxyForSystemServices)},
5744     {"enable-federated-service", flag_descriptions::kFederatedServiceName,
5745      flag_descriptions::kFederatedServiceDescription, kOsCrOS,
5746      FEATURE_VALUE_TYPE(ash::features::kFederatedService)},
5747 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
5748     {"enable-cros-touch-text-editing-redesign",
5749      flag_descriptions::kTouchTextEditingRedesignName,
5750      flag_descriptions::kTouchTextEditingRedesignDescription, kOsAll,
5751      FEATURE_VALUE_TYPE(features::kTouchTextEditingRedesign)},
5752 #if BUILDFLAG(IS_CHROMEOS)
5753     {"quickoffice-force-file-download",
5754      flag_descriptions::kQuickOfficeForceFileDownloadName,
5755      flag_descriptions::kQuickOfficeForceFileDownloadDescription,
5756      kOsCrOS | kOsLacros,
5757      FEATURE_VALUE_TYPE(features::kQuickOfficeForceFileDownload)},
5758 #endif  // BUILDFLAG(IS_CHROMEOS)
5759 #if BUILDFLAG(IS_MAC)
5760     {"enable-retry-capture-device-enumeration-on-crash",
5761      flag_descriptions::kRetryGetVideoCaptureDeviceInfosName,
5762      flag_descriptions::kRetryGetVideoCaptureDeviceInfosDescription, kOsMac,
5763      FEATURE_VALUE_TYPE(features::kRetryGetVideoCaptureDeviceInfos)},
5764 #endif  // BUILDFLAG(IS_MAC)
5765 #if BUILDFLAG(IS_MAC)
5766     {"enable-immersive-fullscreen-toolbar",
5767      flag_descriptions::kImmersiveFullscreenName,
5768      flag_descriptions::kImmersiveFullscreenDescription, kOsMac,
5769      FEATURE_VALUE_TYPE(features::kImmersiveFullscreen)},
5770 #endif  // BUILDFLAG(IS_MAC)
5771     {"enable-web-payments-experimental-features",
5772      flag_descriptions::kWebPaymentsExperimentalFeaturesName,
5773      flag_descriptions::kWebPaymentsExperimentalFeaturesDescription, kOsAll,
5774      FEATURE_VALUE_TYPE(payments::features::kWebPaymentsExperimentalFeatures)},
5775     {"add-identity-in-can-make-payment",
5776      flag_descriptions::kAddIdentityInCanMakePaymentEventName,
5777      flag_descriptions::kAddIdentityInCanMakePaymentEventDescription, kOsAll,
5778      FEATURE_VALUE_TYPE(blink::features::kAddIdentityInCanMakePaymentEvent)},
5779     {"enable-debug-for-store-billing",
5780      flag_descriptions::kAppStoreBillingDebugName,
5781      flag_descriptions::kAppStoreBillingDebugDescription, kOsAll,
5782      FEATURE_VALUE_TYPE(payments::features::kAppStoreBillingDebug)},
5783     {"enable-debug-for-secure-payment-confirmation",
5784      flag_descriptions::kSecurePaymentConfirmationDebugName,
5785      flag_descriptions::kSecurePaymentConfirmationDebugDescription, kOsAll,
5786      FEATURE_VALUE_TYPE(features::kSecurePaymentConfirmationDebug)},
5787     {"mutation-events", flag_descriptions::kMutationEventsName,
5788      flag_descriptions::kMutationEventsDescription, kOsAll,
5789      FEATURE_VALUE_TYPE(blink::features::kMutationEvents)},
5790     {"fill-on-account-select", flag_descriptions::kFillOnAccountSelectName,
5791      flag_descriptions::kFillOnAccountSelectDescription, kOsAll,
5792      FEATURE_VALUE_TYPE(password_manager::features::kFillOnAccountSelect)},
5793 #if BUILDFLAG(IS_CHROMEOS_ASH)
5794     {"arc-aaudio-mmap-low-latency",
5795      flag_descriptions::kArcAAudioMMAPLowLatencyName,
5796      flag_descriptions::kArcAAudioMMAPLowLatencyDescription, kOsCrOS,
5797      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootArcVmAAudioMMAPLowLatency")},
5798     {"arc-custom-tabs-experiment",
5799      flag_descriptions::kArcCustomTabsExperimentName,
5800      flag_descriptions::kArcCustomTabsExperimentDescription, kOsCrOS,
5801      FEATURE_VALUE_TYPE(arc::kCustomTabsExperimentFeature)},
5802     {"arc-documents-provider-unknown-size",
5803      flag_descriptions::kArcDocumentsProviderUnknownSizeName,
5804      flag_descriptions::kArcDocumentsProviderUnknownSizeDescription, kOsCrOS,
5805      FEATURE_VALUE_TYPE(arc::kDocumentsProviderUnknownSizeFeature)},
5806     {"arc-enable-aaudio-mmap", flag_descriptions::kArcEnableAAudioMMAPName,
5807      flag_descriptions::kArcEnableAAudioMMAPDescription, kOsCrOS,
5808      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootArcVmAAudioMMAP")},
5809     {kArcEnableVirtioBlkForDataInternalName,
5810      flag_descriptions::kArcEnableVirtioBlkForDataName,
5811      flag_descriptions::kArcEnableVirtioBlkForDataDesc, kOsCrOS,
5812      FEATURE_VALUE_TYPE(arc::kEnableVirtioBlkForData)},
5813     {"arc-external-storage-access",
5814      flag_descriptions::kArcExternalStorageAccessName,
5815      flag_descriptions::kArcExternalStorageAccessDescription, kOsCrOS,
5816      FEATURE_VALUE_TYPE(arc::kExternalStorageAccess)},
5817     {"arc-file-picker-experiment",
5818      flag_descriptions::kArcFilePickerExperimentName,
5819      flag_descriptions::kArcFilePickerExperimentDescription, kOsCrOS,
5820      FEATURE_VALUE_TYPE(arc::kFilePickerExperimentFeature)},
5821     {"arc-instant-response-window-open",
5822      flag_descriptions::kArcInstantResponseWindowOpenName,
5823      flag_descriptions::kArcInstantResponseWindowOpenDescription, kOsCrOS,
5824      FEATURE_VALUE_TYPE(arc::kInstantResponseWindowOpen)},
5825     {"arc-keyboard-shortcut-helper-integration",
5826      flag_descriptions::kArcKeyboardShortcutHelperIntegrationName,
5827      flag_descriptions::kArcKeyboardShortcutHelperIntegrationDescription,
5828      kOsCrOS,
5829      FEATURE_VALUE_TYPE(arc::kKeyboardShortcutHelperIntegrationFeature)},
5830     {"arc-native-bridge-toggle", flag_descriptions::kArcNativeBridgeToggleName,
5831      flag_descriptions::kArcNativeBridgeToggleDescription, kOsCrOS,
5832      FEATURE_VALUE_TYPE(arc::kNativeBridgeToggleFeature)},
5833     {"arc-rounded-window-compat",
5834      flag_descriptions::kArcRoundedWindowCompatName,
5835      flag_descriptions::kArcRoundedWindowCompatDescription, kOsCrOS,
5836      FEATURE_WITH_PARAMS_VALUE_TYPE(arc::kRoundedWindowCompat,
5837                                     kArcRoundedWindowCompatVariation,
5838                                     "ArcRoundedWindowCompat")},
5839     {"arc-rt-vcpu-dual-core", flag_descriptions::kArcRtVcpuDualCoreName,
5840      flag_descriptions::kArcRtVcpuDualCoreDesc, kOsCrOS,
5841      FEATURE_VALUE_TYPE(arc::kRtVcpuDualCore)},
5842     {"arc-rt-vcpu-quad-core", flag_descriptions::kArcRtVcpuQuadCoreName,
5843      flag_descriptions::kArcRtVcpuQuadCoreDesc, kOsCrOS,
5844      FEATURE_VALUE_TYPE(arc::kRtVcpuQuadCore)},
5845     {"arc-touchscreen-emulation",
5846      flag_descriptions::kArcTouchscreenEmulationName,
5847      flag_descriptions::kArcTouchscreenEmulationDesc, kOsCrOS,
5848      FEATURE_VALUE_TYPE(arc::kTouchscreenEmulation)},
5849     {"arc-switch-to-keymint-daemon",
5850      flag_descriptions::kArcSwitchToKeyMintDaemonName,
5851      flag_descriptions::kArcSwitchToKeyMintDaemonDesc, kOsCrOS,
5852      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootArcSwitchToKeyMintDaemon")},
5853     {"arc-switch-to-keymint-on-t",
5854      flag_descriptions::kArcSwitchToKeyMintOnTName,
5855      flag_descriptions::kArcSwitchToKeyMintOnTDesc, kOsCrOS,
5856      FEATURE_VALUE_TYPE(arc::kSwitchToKeyMintOnT)},
5857     {"arc-switch-to-keymint-on-t-override",
5858      flag_descriptions::kArcSwitchToKeyMintOnTOverrideName,
5859      flag_descriptions::kArcSwitchToKeyMintOnTOverrideDesc, kOsCrOS,
5860      FEATURE_VALUE_TYPE(arc::kSwitchToKeyMintOnTOverride)},
5861     {"arc-sync-install-priority",
5862      flag_descriptions::kArcSyncInstallPriorityName,
5863      flag_descriptions::kArcSyncInstallPriorityDescription, kOsCrOS,
5864      FEATURE_VALUE_TYPE(arc::kSyncInstallPriority)},
5865     {"arc-vmm-swap-keyboard-shortcut",
5866      flag_descriptions::kArcVmmSwapKBShortcutName,
5867      flag_descriptions::kArcVmmSwapKBShortcutDesc, kOsCrOS,
5868      FEATURE_VALUE_TYPE(arc::kVmmSwapKeyboardShortcut)},
5869     {"arc-xdg-mode", flag_descriptions::kArcXdgModeName,
5870      flag_descriptions::kArcXdgModeDesc, kOsCrOS,
5871      FEATURE_VALUE_TYPE(arc::kXdgMode)},
5872 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
5873     {"enable-generic-sensor-extra-classes",
5874      flag_descriptions::kEnableGenericSensorExtraClassesName,
5875      flag_descriptions::kEnableGenericSensorExtraClassesDescription, kOsAll,
5876      FEATURE_VALUE_TYPE(features::kGenericSensorExtraClasses)},
5877
5878 #if BUILDFLAG(IS_CHROMEOS_ASH)
5879     {ui_devtools::switches::kEnableUiDevTools,
5880      flag_descriptions::kUiDevToolsName,
5881      flag_descriptions::kUiDevToolsDescription, kOsCrOS,
5882      SINGLE_VALUE_TYPE(ui_devtools::switches::kEnableUiDevTools)},
5883 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
5884
5885     {"enable-autofill-virtual-cards-on-touch-to-fill",
5886      flag_descriptions::kAutofillVirtualCardsOnTouchToFillAndroidName,
5887      flag_descriptions::kAutofillVirtualCardsOnTouchToFillAndroidDescription,
5888      kOsAll,
5889      FEATURE_VALUE_TYPE(
5890          autofill::features::kAutofillVirtualCardsOnTouchToFillAndroid)},
5891
5892 #if BUILDFLAG(IS_ANDROID)
5893     {"enable-autofill-touch-to-fill-for-credit-cards",
5894      flag_descriptions::kAutofillTouchToFillForCreditCardsAndroidName,
5895      flag_descriptions::kAutofillTouchToFillForCreditCardsAndroidDescription,
5896      kOsAndroid,
5897      FEATURE_VALUE_TYPE(
5898          autofill::features::kAutofillTouchToFillForCreditCardsAndroid)},
5899     {"enable-autofill-virtual-view-structure",
5900      flag_descriptions::kAutofillVirtualViewStructureAndroidName,
5901      flag_descriptions::kAutofillVirtualViewStructureAndroidDescription,
5902      kOsAndroid,
5903      FEATURE_VALUE_TYPE(
5904          autofill::features::kAutofillVirtualViewStructureAndroid)},
5905 #endif
5906
5907 #if BUILDFLAG(IS_CHROMEOS_ASH)
5908     {"enable-touchscreen-calibration",
5909      flag_descriptions::kTouchscreenCalibrationName,
5910      flag_descriptions::kTouchscreenCalibrationDescription, kOsCrOS,
5911      SINGLE_VALUE_TYPE(ash::switches::kEnableTouchCalibrationSetting)},
5912 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
5913 #if BUILDFLAG(IS_CHROMEOS_ASH)
5914     {"prefer-constant-frame-rate",
5915      flag_descriptions::kPreferConstantFrameRateName,
5916      flag_descriptions::kPreferConstantFrameRateDescription, kOsCrOS,
5917      FEATURE_VALUE_TYPE(ash::features::kPreferConstantFrameRate)},
5918     {"more-video-capture-buffers",
5919      flag_descriptions::kMoreVideoCaptureBuffersName,
5920      flag_descriptions::kMoreVideoCaptureBuffersDescription, kOsCrOS,
5921      FEATURE_VALUE_TYPE(ash::features::kMoreVideoCaptureBuffers)},
5922     {"force-control-face-ae", flag_descriptions::kForceControlFaceAeName,
5923      flag_descriptions::kForceControlFaceAeDescription, kOsCrOS,
5924      MULTI_VALUE_TYPE(kForceControlFaceAeChoices)},
5925     {"auto-framing-override", flag_descriptions::kAutoFramingOverrideName,
5926      flag_descriptions::kAutoFramingOverrideDescription, kOsCrOS,
5927      MULTI_VALUE_TYPE(kAutoFramingOverrideChoices)},
5928     {"crostini-gpu-support", flag_descriptions::kCrostiniGpuSupportName,
5929      flag_descriptions::kCrostiniGpuSupportDescription, kOsCrOS,
5930      FEATURE_VALUE_TYPE(ash::features::kCrostiniGpuSupport)},
5931     {"disable-camera-frame-rotation-at-source",
5932      flag_descriptions::kDisableCameraFrameRotationAtSourceName,
5933      flag_descriptions::kDisableCameraFrameRotationAtSourceDescription, kOsCrOS,
5934      FEATURE_VALUE_TYPE(media::features::kDisableCameraFrameRotationAtSource)},
5935     {"file-transfer-enterprise-connector",
5936      flag_descriptions::kFileTransferEnterpriseConnectorName,
5937      flag_descriptions::kFileTransferEnterpriseConnectorDescription, kOsCrOS,
5938      FEATURE_VALUE_TYPE(features::kFileTransferEnterpriseConnector)},
5939     {"file-transfer-enterprise-connector-ui",
5940      flag_descriptions::kFileTransferEnterpriseConnectorUIName,
5941      flag_descriptions::kFileTransferEnterpriseConnectorUIDescription, kOsCrOS,
5942      FEATURE_VALUE_TYPE(features::kFileTransferEnterpriseConnectorUI)},
5943     {"files-app-experimental", flag_descriptions::kFilesAppExperimentalName,
5944      flag_descriptions::kFilesAppExperimentalDescription, kOsCrOS,
5945      FEATURE_VALUE_TYPE(ash::features::kFilesAppExperimental)},
5946     {"files-conflict-dialog", flag_descriptions::kFilesConflictDialogName,
5947      flag_descriptions::kFilesConflictDialogDescription, kOsCrOS,
5948      FEATURE_VALUE_TYPE(ash::features::kFilesConflictDialog)},
5949     {"files-drive-shortcuts", flag_descriptions::kFilesDriveShortcutsName,
5950      flag_descriptions::kFilesDriveShortcutsDescription, kOsCrOS,
5951      FEATURE_VALUE_TYPE(ash::features::kFilesDriveShortcuts)},
5952     {"files-google-drive-settings-page",
5953      flag_descriptions::kFilesGoogleDriveSettingsPageName,
5954      flag_descriptions::kFilesGoogleDriveSettingsPageDescription, kOsCrOS,
5955      FEATURE_VALUE_TYPE(ash::features::kFilesGoogleDriveSettingsPage)},
5956     {"files-inline-sync-status", flag_descriptions::kFilesInlineSyncStatusName,
5957      flag_descriptions::kFilesInlineSyncStatusDescription, kOsCrOS,
5958      FEATURE_VALUE_TYPE(ash::features::kFilesInlineSyncStatus)},
5959     {"files-inline-sync-status-progress-events",
5960      flag_descriptions::kFilesInlineSyncStatusProgressEventsName,
5961      flag_descriptions::kFilesInlineSyncStatusProgressEventsDescription,
5962      kOsCrOS,
5963      FEATURE_VALUE_TYPE(ash::features::kFilesInlineSyncStatusProgressEvents)},
5964     {"files-local-image-search", flag_descriptions::kFilesLocalImageSearchName,
5965      flag_descriptions::kFilesLocalImageSearchDescription, kOsCrOS,
5966      FEATURE_VALUE_TYPE(ash::features::kFilesLocalImageSearch)},
5967     {"files-new-directory-tree", flag_descriptions::kFilesNewDirectoryTreeName,
5968      flag_descriptions::kFilesNewDirectoryTreeDescription, kOsCrOS,
5969      FEATURE_VALUE_TYPE(ash::features::kFilesNewDirectoryTree)},
5970     {"files-single-partition-format",
5971      flag_descriptions::kFilesSinglePartitionFormatName,
5972      flag_descriptions::kFilesSinglePartitionFormatDescription, kOsCrOS,
5973      FEATURE_VALUE_TYPE(ash::features::kFilesSinglePartitionFormat)},
5974     {"files-trash-drive", flag_descriptions::kFilesTrashDriveName,
5975      flag_descriptions::kFilesTrashDriveDescription, kOsCrOS,
5976      FEATURE_VALUE_TYPE(ash::features::kFilesTrashDrive)},
5977     {"force-resync-drive", flag_descriptions::kForceReSyncDriveName,
5978      flag_descriptions::kForceReSyncDriveDescription, kOsCrOS,
5979      FEATURE_VALUE_TYPE(ash::features::kForceReSyncDrive)},
5980     {"force-spectre-v2-mitigation",
5981      flag_descriptions::kForceSpectreVariant2MitigationName,
5982      flag_descriptions::kForceSpectreVariant2MitigationDescription, kOsCrOS,
5983      FEATURE_VALUE_TYPE(
5984          sandbox::policy::features::kForceSpectreVariant2Mitigation)},
5985     {"fsps-in-recents", flag_descriptions::kFSPsInRecentsName,
5986      flag_descriptions::kFSPsInRecentsDescription, kOsCrOS,
5987      FEATURE_VALUE_TYPE(ash::features::kFSPsInRecents)},
5988     {"fuse-box-debug", flag_descriptions::kFuseBoxDebugName,
5989      flag_descriptions::kFuseBoxDebugDescription, kOsCrOS,
5990      FEATURE_VALUE_TYPE(ash::features::kFuseBoxDebug)},
5991     {"spectre-v2-mitigation", flag_descriptions::kSpectreVariant2MitigationName,
5992      flag_descriptions::kSpectreVariant2MitigationDescription, kOsCrOS,
5993      FEATURE_VALUE_TYPE(sandbox::policy::features::kSpectreVariant2Mitigation)},
5994     {"upload-office-to-cloud", flag_descriptions::kUploadOfficeToCloudName,
5995      flag_descriptions::kUploadOfficeToCloudName, kOsCrOS,
5996      FEATURE_VALUE_TYPE(chromeos::features::kUploadOfficeToCloud)},
5997     {"eap-gtc-wifi-authentication",
5998      flag_descriptions::kEapGtcWifiAuthenticationName,
5999      flag_descriptions::kEapGtcWifiAuthenticationDescription, kOsCrOS,
6000      FEATURE_VALUE_TYPE(ash::features::kEapGtcWifiAuthentication)},
6001     {"eche-swa", flag_descriptions::kEcheSWAName,
6002      flag_descriptions::kEcheSWADescription, kOsCrOS,
6003      FEATURE_VALUE_TYPE(ash::features::kEcheSWA)},
6004     {"eche-launcher", flag_descriptions::kEcheLauncherName,
6005      flag_descriptions::kEcheLauncherDescription, kOsCrOS,
6006      FEATURE_VALUE_TYPE(ash::features::kEcheLauncher)},
6007     {"eche-launcher-app-icon-in-more-apps-button",
6008      flag_descriptions::kEcheLauncherIconsInMoreAppsButtonName,
6009      flag_descriptions::kEcheLauncherIconsInMoreAppsButtonDescription, kOsCrOS,
6010      FEATURE_VALUE_TYPE(ash::features::kEcheLauncherIconsInMoreAppsButton)},
6011     {"eche-launcher-list-view", flag_descriptions::kEcheLauncherListViewName,
6012      flag_descriptions::kEcheLauncherListViewDescription, kOsCrOS,
6013      FEATURE_VALUE_TYPE(ash::features::kEcheLauncherListView)},
6014     {"eche-network-connection-state",
6015      flag_descriptions::kEcheNetworkConnectionStateName,
6016      flag_descriptions::kEcheNetworkConnectionStateDescription, kOsCrOS,
6017      FEATURE_VALUE_TYPE(ash::features::kEcheNetworkConnectionState)},
6018     {"eche-swa-check-android-network-info",
6019      flag_descriptions::kEcheSWACheckAndroidNetworkInfoName,
6020      flag_descriptions::kEcheSWACheckAndroidNetworkInfoDescription, kOsCrOS,
6021      FEATURE_VALUE_TYPE(ash::features::kEcheSWACheckAndroidNetworkInfo)},
6022     {"eche-swa-process-android-accessibility-tree",
6023      flag_descriptions::kEcheSWAProcessAndroidAccessibilityTreeName,
6024      flag_descriptions::kEcheSWAProcessAndroidAccessibilityTreeDescription,
6025      kOsCrOS,
6026      FEATURE_VALUE_TYPE(
6027          ash::features::kEcheSWAProcessAndroidAccessibilityTree)},
6028     {"eche-swa-debug-mode", flag_descriptions::kEcheSWADebugModeName,
6029      flag_descriptions::kEcheSWADebugModeDescription, kOsCrOS,
6030      FEATURE_VALUE_TYPE(ash::features::kEcheSWADebugMode)},
6031     {"eche-swa-disable-stun-server",
6032      flag_descriptions::kEcheSWADisableStunServerName,
6033      flag_descriptions::kEcheSWADisableStunServerDescription, kOsCrOS,
6034      FEATURE_VALUE_TYPE(ash::features::kEcheSWADisableStunServer)},
6035     {"eche-swa-measure-latency", flag_descriptions::kEcheSWAMeasureLatencyName,
6036      flag_descriptions::kEcheSWAMeasureLatencyDescription, kOsCrOS,
6037      FEATURE_VALUE_TYPE(ash::features::kEcheSWAMeasureLatency)},
6038     {"eche-swa-send-start-signaling",
6039      flag_descriptions::kEcheSWASendStartSignalingName,
6040      flag_descriptions::kEcheSWASendStartSignalingDescription, kOsCrOS,
6041      FEATURE_VALUE_TYPE(ash::features::kEcheSWASendStartSignaling)},
6042     {"phone-hub-onboarding-notifier-revemp",
6043      flag_descriptions::kPhoneHubOnboardingNotifierRevampName,
6044      flag_descriptions::kPhoneHubOnboardingNotifierRevampDescription, kOsCrOS,
6045      FEATURE_VALUE_TYPE(ash::features::kPhoneHubOnboardingNotifierRevamp)},
6046     {"print-management-jelly", flag_descriptions::kPrintManagementJellyName,
6047      flag_descriptions::kPrintManagementJellyDescription, kOsCrOS,
6048      FEATURE_VALUE_TYPE(ash::features::kPrintManagementJelly)},
6049     {"print-management-setup-assistance",
6050      flag_descriptions::kPrintManagementSetupAssistanceName,
6051      flag_descriptions::kPrintManagementSetupAssistanceDescription, kOsCrOS,
6052      FEATURE_VALUE_TYPE(ash::features::kPrintManagementSetupAssistance)},
6053     {"print-preview-discovered-printers",
6054      flag_descriptions::kPrintPreviewDiscoveredPrintersName,
6055      flag_descriptions::kPrintPreviewDiscoveredPrintersDescription, kOsCrOS,
6056      FEATURE_VALUE_TYPE(ash::features::kPrintPreviewDiscoveredPrinters)},
6057     {"printer-settings-printer-status",
6058      flag_descriptions::kPrinterSettingsPrinterStatusName,
6059      flag_descriptions::kPrinterSettingsPrinterStatusDescription, kOsCrOS,
6060      FEATURE_VALUE_TYPE(ash::features::kPrinterSettingsPrinterStatus)},
6061     {"printer-settings-revamp", flag_descriptions::kPrinterSettingsRevampName,
6062      flag_descriptions::kPrinterSettingsRevampDescription, kOsCrOS,
6063      FEATURE_VALUE_TYPE(ash::features::kPrinterSettingsRevamp)},
6064     {kGlanceablesV2InternalName, flag_descriptions::kGlanceablesV2Name,
6065      flag_descriptions::kGlanceablesV2Description, kOsCrOS,
6066      FEATURE_VALUE_TYPE(ash::features::kGlanceablesV2)},
6067 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
6068
6069 #if BUILDFLAG(IS_ANDROID)
6070     {"omnibox-cache-suggestion-resources",
6071      flag_descriptions::kOmniboxCacheSuggestionResourcesName,
6072      flag_descriptions::kOmniboxCacheSuggestionResourcesDescription, kOsAndroid,
6073      FEATURE_VALUE_TYPE(chrome::android::kOmniboxCacheSuggestionResources)},
6074
6075     {"omnibox-match-toolbar-and-status-bar-color",
6076      flag_descriptions::kOmniboxMatchToolbarAndStatusBarColorName,
6077      flag_descriptions::kOmniboxMatchToolbarAndStatusBarColorDescription,
6078      kOsAndroid,
6079      FEATURE_VALUE_TYPE(omnibox::kOmniboxMatchToolbarAndStatusBarColor)},
6080
6081     {"omnibox-modernize-visual-update",
6082      flag_descriptions::kOmniboxModernizeVisualUpdateName,
6083      flag_descriptions::kOmniboxModernizeVisualUpdateDescription, kOsAndroid,
6084      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kOmniboxModernizeVisualUpdate,
6085                                     kOmniboxModernizeVisualUpdateVariations,
6086                                     "OmniboxModernizeVisualUpdate")},
6087
6088     {"omnibox-most-visited-tiles-horizontal-render-group",
6089      flag_descriptions::kOmniboxMostVisitedTilesHorizontalRenderGroupName,
6090      flag_descriptions::
6091          kOmniboxMostVisitedTilesHorizontalRenderGroupDescription,
6092      kOsAndroid,
6093      FEATURE_VALUE_TYPE(omnibox::kMostVisitedTilesHorizontalRenderGroup)},
6094
6095     {"omnibox-query-tiles-in-zps-on-ntp",
6096      flag_descriptions::kOmniboxQueryTilesInZPSOnNTPName,
6097      flag_descriptions::kOmniboxQueryTilesInZPSOnNTPDesc, kOsAndroid,
6098      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kQueryTilesInZPSOnNTP,
6099                                     kOmniboxQueryTilesVariations,
6100                                     "OmniboxQueryTilesInZPSOnNTP")},
6101
6102     {"omnibox-suppress-clipboard-suggestion-after-first-used",
6103      flag_descriptions::kOmniboxSuppressClipboardSuggestionAfterFirstUsedName,
6104      flag_descriptions::
6105          kOmniboxSuppressClipboardSuggestionAfterFirstUsedDescription,
6106      kOsAndroid,
6107      FEATURE_VALUE_TYPE(omnibox::kSuppressClipboardSuggestionAfterFirstUsed)},
6108
6109     {"omnibox-warm-recycled-view-pool",
6110      flag_descriptions::kOmniboxWarmRecycledViewPoolName,
6111      flag_descriptions::kOmniboxWarmRecycledViewPoolDescription, kOsAndroid,
6112      FEATURE_VALUE_TYPE(chrome::android::kOmniboxWarmRecycledViewPool)},
6113
6114     {"android-app-integration", flag_descriptions::kAndroidAppIntegrationName,
6115      flag_descriptions::kAndroidAppIntegrationDescription, kOsAndroid,
6116      FEATURE_VALUE_TYPE(chrome::android::kAndroidAppIntegration)},
6117
6118     {"android-app-integration-safesearch",
6119      flag_descriptions::kAndroidAppIntegrationSafeSearchName,
6120      flag_descriptions::kAndroidAppIntegrationSafeSearchDescription, kOsAndroid,
6121      FEATURE_VALUE_TYPE(chrome::android::kAndroidAppIntegrationSafeSearch)},
6122
6123     {"auxiliary-search-donation",
6124      flag_descriptions::kAuxiliarySearchDonationName,
6125      flag_descriptions::kAuxiliarySearchDonationDescription, kOsAndroid,
6126      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kAuxiliarySearchDonation,
6127                                     kAuxiliarySearchDonationVariations,
6128                                     "AuxiliarySearchDonation")},
6129 #endif  // BUILDFLAG(IS_ANDROID)
6130
6131     {"omnibox-local-history-zero-suggest-beyond-ntp",
6132      flag_descriptions::kOmniboxLocalHistoryZeroSuggestBeyondNTPName,
6133      flag_descriptions::kOmniboxLocalHistoryZeroSuggestBeyondNTPDescription,
6134      kOsAll, FEATURE_VALUE_TYPE(omnibox::kLocalHistoryZeroSuggestBeyondNTP)},
6135
6136     {"omnibox-on-clobber-focus-type-on-content",
6137      flag_descriptions::kOmniboxOnClobberFocusTypeOnContentName,
6138      flag_descriptions::kOmniboxOnClobberFocusTypeOnContentDescription, kOsAll,
6139      FEATURE_VALUE_TYPE(omnibox::kOmniboxOnClobberFocusTypeOnContent)},
6140
6141     {"omnibox-report-assisted-query-stats",
6142      flag_descriptions::kOmniboxReportAssistedQueryStatsName,
6143      flag_descriptions::kOmniboxReportAssistedQueryStatsDescription, kOsAll,
6144      FEATURE_VALUE_TYPE(omnibox::kReportAssistedQueryStats)},
6145
6146     {"omnibox-report-searchbox-stats",
6147      flag_descriptions::kOmniboxReportSearchboxStatsName,
6148      flag_descriptions::kOmniboxReportSearchboxStatsDescription, kOsAll,
6149      FEATURE_VALUE_TYPE(omnibox::kReportSearchboxStats)},
6150
6151     {"omnibox-zero-suggest-prefetching",
6152      flag_descriptions::kOmniboxZeroSuggestPrefetchingName,
6153      flag_descriptions::kOmniboxZeroSuggestPrefetchingDescription, kOsAll,
6154      FEATURE_VALUE_TYPE(omnibox::kZeroSuggestPrefetching)},
6155
6156     {"omnibox-zero-suggest-prefetching-on-srp",
6157      flag_descriptions::kOmniboxZeroSuggestPrefetchingOnSRPName,
6158      flag_descriptions::kOmniboxZeroSuggestPrefetchingOnSRPDescription, kOsAll,
6159      FEATURE_VALUE_TYPE(omnibox::kZeroSuggestPrefetchingOnSRP)},
6160
6161     {"omnibox-zero-suggest-prefetching-on-web",
6162      flag_descriptions::kOmniboxZeroSuggestPrefetchingOnWebName,
6163      flag_descriptions::kOmniboxZeroSuggestPrefetchingOnWebDescription, kOsAll,
6164      FEATURE_VALUE_TYPE(omnibox::kZeroSuggestPrefetchingOnWeb)},
6165
6166     {"omnibox-zero-suggest-in-memory-caching",
6167      flag_descriptions::kOmniboxZeroSuggestInMemoryCachingName,
6168      flag_descriptions::kOmniboxZeroSuggestInMemoryCachingDescription, kOsAll,
6169      FEATURE_VALUE_TYPE(omnibox::kZeroSuggestInMemoryCaching)},
6170
6171 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) || \
6172     BUILDFLAG(IS_WIN) || BUILDFLAG(IS_FUCHSIA)
6173     {"omnibox-actions-ui-simplification",
6174      flag_descriptions::kOmniboxActionsUISimplificationName,
6175      flag_descriptions::kOmniboxActionsUISimplificationDescription, kOsDesktop,
6176      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kOmniboxActionsUISimplification,
6177                                     kOmniboxActionsUISimplificationVariations,
6178                                     "OmniboxActionsUISimplification")},
6179     {"omnibox-keyword-mode-refresh",
6180      flag_descriptions::kOmniboxKeywordModeRefreshName,
6181      flag_descriptions::kOmniboxKeywordModeRefreshDescription, kOsDesktop,
6182      FEATURE_VALUE_TYPE(omnibox::kOmniboxKeywordModeRefresh)},
6183
6184     {"omnibox-domain-suggestions",
6185      flag_descriptions::kOmniboxDomainSuggestionsName,
6186      flag_descriptions::kOmniboxDomainSuggestionsDescription, kOsDesktop,
6187      FEATURE_VALUE_TYPE(omnibox::kDomainSuggestions)},
6188     {"omnibox-drive-suggestions",
6189      flag_descriptions::kOmniboxDriveSuggestionsName,
6190      flag_descriptions::kOmniboxDriveSuggestionsDescription, kOsDesktop,
6191      FEATURE_VALUE_TYPE(omnibox::kDocumentProvider)},
6192     {"omnibox-drive-suggestions-no-setting",
6193      flag_descriptions::kOmniboxDriveSuggestionsNoSettingName,
6194      flag_descriptions::kOmniboxDriveSuggestionsNoSettingDescription,
6195      kOsDesktop, FEATURE_VALUE_TYPE(omnibox::kDocumentProviderNoSetting)},
6196     {"omnibox-drive-suggestions-no-sync-requirement",
6197      flag_descriptions::kOmniboxDriveSuggestionsNoSyncRequirementName,
6198      flag_descriptions::kOmniboxDriveSuggestionsNoSyncRequirementDescription,
6199      kOsDesktop,
6200      FEATURE_VALUE_TYPE(omnibox::kDocumentProviderNoSyncRequirement)},
6201     {"omnibox-pref-based-data-collection-consent-helper",
6202      flag_descriptions::kOmniboxPrefBasedDataCollectionConsentHelperName,
6203      flag_descriptions::kOmniboxPrefBasedDataCollectionConsentHelperDescription,
6204      kOsAll,
6205      FEATURE_VALUE_TYPE(omnibox::kPrefBasedDataCollectionConsentHelper)},
6206     {"omnibox-shortcut-boost", flag_descriptions::kOmniboxShortcutBoostName,
6207      flag_descriptions::kOmniboxShortcutBoostDescription, kOsDesktop,
6208      FEATURE_WITH_PARAMS_VALUE_TYPE(
6209          omnibox_feature_configs::ShortcutBoosting::kShortcutBoost,
6210          kOmniboxShortcutBoostVariations,
6211          "OmniboxBundledExperimentV1")},
6212     {"omnibox-rich-autocompletion-promising",
6213      flag_descriptions::kOmniboxRichAutocompletionPromisingName,
6214      flag_descriptions::kOmniboxRichAutocompletionPromisingDescription,
6215      kOsDesktop,
6216      FEATURE_WITH_PARAMS_VALUE_TYPE(
6217          omnibox::kRichAutocompletion,
6218          kOmniboxRichAutocompletionPromisingVariations,
6219          "OmniboxBundledExperimentV1")},
6220     {"omnibox-ml-log-url-scoring-signals",
6221      flag_descriptions::kOmniboxMlLogUrlScoringSignalsName,
6222      flag_descriptions::kOmniboxMlLogUrlScoringSignalsDescription, kOsDesktop,
6223      FEATURE_VALUE_TYPE(omnibox::kLogUrlScoringSignals)},
6224     {"omnibox-ml-url-scoring", flag_descriptions::kOmniboxMlUrlScoringName,
6225      flag_descriptions::kOmniboxMlUrlScoringDescription, kOsDesktop,
6226      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kMlUrlScoring,
6227                                     kOmniboxMlUrlScoringVariations,
6228                                     "MlUrlScoring")},
6229     {"omnibox-ml-url-scoring-model",
6230      flag_descriptions::kOmniboxMlUrlScoringModelName,
6231      flag_descriptions::kOmniboxMlUrlScoringModelDescription, kOsDesktop,
6232      FEATURE_VALUE_TYPE(omnibox::kUrlScoringModel)},
6233
6234     {"realbox-secondary-zero-suggest",
6235      flag_descriptions::kRealboxSecondaryZeroSuggestName,
6236      flag_descriptions::kRealboxSecondaryZeroSuggestDescription, kOsDesktop,
6237      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kRealboxSecondaryZeroSuggest,
6238                                     kRealboxSecondaryZeroSuggestVariations,
6239                                     "RealboxSecondaryZeroSuggest")},
6240 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) ||
6241         // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_FUCHSIA)
6242
6243 #if BUILDFLAG(IS_ANDROID)
6244     {"omnibox-actions-in-suggest",
6245      flag_descriptions::kOmniboxActionsInSuggestName,
6246      flag_descriptions::kOmniboxActionsInSuggestDescription, kOsAndroid,
6247      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kActionsInSuggest,
6248                                     kOmniboxActionsInSuggestVariants,
6249                                     "OmniboxBundledExperimentV1")},
6250
6251 #endif  // BUILDFLAG(IS_ANDROID)
6252 #if BUILDFLAG(IS_WIN)
6253     {"omnibox-on-device-head-suggestions",
6254      flag_descriptions::kOmniboxOnDeviceHeadSuggestionsName,
6255      flag_descriptions::kOmniboxOnDeviceHeadSuggestionsDescription, kOsWin,
6256      FEATURE_VALUE_TYPE(omnibox::kOnDeviceHeadProviderNonIncognito)},
6257     {"omnibox-on-device-head-suggestions-incognito",
6258      flag_descriptions::kOmniboxOnDeviceHeadSuggestionsIncognitoName,
6259      flag_descriptions::kOmniboxOnDeviceHeadSuggestionsIncognitoDescription,
6260      kOsWin, FEATURE_VALUE_TYPE(omnibox::kOnDeviceHeadProviderIncognito)},
6261 #endif  // BUILDFLAG(IS_WIN)
6262
6263     {"omnibox-on-device-tail-suggestions",
6264      flag_descriptions::kOmniboxOnDeviceTailSuggestionsName,
6265      flag_descriptions::kOmniboxOnDeviceTailSuggestionsDescription, kOsAll,
6266      FEATURE_VALUE_TYPE(omnibox::kOnDeviceTailModel)},
6267
6268 #if BUILDFLAG(IS_CHROMEOS_ASH)
6269     {"scheduler-configuration", flag_descriptions::kSchedulerConfigurationName,
6270      flag_descriptions::kSchedulerConfigurationDescription, kOsCrOS,
6271      MULTI_VALUE_TYPE(kSchedulerConfigurationChoices)},
6272 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
6273
6274 #if BUILDFLAG(IS_ANDROID)
6275     {"enable-command-line-on-non-rooted-devices",
6276      flag_descriptions::kEnableCommandLineOnNonRootedName,
6277      flag_descriptions::kEnableCommandLineOnNoRootedDescription, kOsAndroid,
6278      FEATURE_VALUE_TYPE(chrome::android::kCommandLineOnNonRooted)},
6279 #endif  // BUILDFLAG(IS_ANDROID)
6280
6281 #if BUILDFLAG(IS_ANDROID)
6282     {"app-menu-mobile-site-option",
6283      flag_descriptions::kAppMenuMobileSiteOptionName,
6284      flag_descriptions::kAppMenuMobileSiteOptionDescription, kOsAndroid,
6285      FEATURE_VALUE_TYPE(chrome::android::kAppMenuMobileSiteOption)},
6286 #endif  // BUILDFLAG(IS_ANDROID)
6287
6288     {"force-color-profile", flag_descriptions::kForceColorProfileName,
6289      flag_descriptions::kForceColorProfileDescription, kOsAll,
6290      MULTI_VALUE_TYPE(kForceColorProfileChoices)},
6291
6292     {"forced-colors", flag_descriptions::kForcedColorsName,
6293      flag_descriptions::kForcedColorsDescription, kOsAll,
6294      FEATURE_VALUE_TYPE(features::kForcedColors)},
6295
6296 #if BUILDFLAG(IS_ANDROID)
6297     {"dynamic-color-gamut", flag_descriptions::kDynamicColorGamutName,
6298      flag_descriptions::kDynamicColorGamutDescription, kOsAndroid,
6299      FEATURE_VALUE_TYPE(features::kDynamicColorGamut)},
6300 #endif
6301
6302     {"memlog", flag_descriptions::kMemlogName,
6303      flag_descriptions::kMemlogDescription, kOsAll,
6304      MULTI_VALUE_TYPE(kMemlogModeChoices)},
6305
6306     {"memlog-sampling-rate", flag_descriptions::kMemlogSamplingRateName,
6307      flag_descriptions::kMemlogSamplingRateDescription, kOsAll,
6308      MULTI_VALUE_TYPE(kMemlogSamplingRateChoices)},
6309
6310     {"memlog-stack-mode", flag_descriptions::kMemlogStackModeName,
6311      flag_descriptions::kMemlogStackModeDescription, kOsAll,
6312      MULTI_VALUE_TYPE(kMemlogStackModeChoices)},
6313
6314     {"omnibox-max-zero-suggest-matches",
6315      flag_descriptions::kOmniboxMaxZeroSuggestMatchesName,
6316      flag_descriptions::kOmniboxMaxZeroSuggestMatchesDescription,
6317      kOsDesktop | kOsAndroid,
6318      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kMaxZeroSuggestMatches,
6319                                     kMaxZeroSuggestMatchesVariations,
6320                                     "OmniboxBundledExperimentV1")},
6321
6322     {"omnibox-ui-max-autocomplete-matches",
6323      flag_descriptions::kOmniboxUIMaxAutocompleteMatchesName,
6324      flag_descriptions::kOmniboxUIMaxAutocompleteMatchesDescription,
6325      kOsDesktop | kOsAndroid,
6326      FEATURE_WITH_PARAMS_VALUE_TYPE(
6327          omnibox::kUIExperimentMaxAutocompleteMatches,
6328          kOmniboxUIMaxAutocompleteMatchesVariations,
6329          "OmniboxBundledExperimentV1")},
6330
6331     {"omnibox-max-url-matches", flag_descriptions::kOmniboxMaxURLMatchesName,
6332      flag_descriptions::kOmniboxMaxURLMatchesDescription, kOsAll,
6333      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kOmniboxMaxURLMatches,
6334                                     kOmniboxMaxURLMatchesVariations,
6335                                     "OmniboxMaxURLMatchesVariations")},
6336
6337     {"omnibox-dynamic-max-autocomplete",
6338      flag_descriptions::kOmniboxDynamicMaxAutocompleteName,
6339      flag_descriptions::kOmniboxDynamicMaxAutocompleteDescription, kOsAll,
6340      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kDynamicMaxAutocomplete,
6341                                     kOmniboxDynamicMaxAutocompleteVariations,
6342                                     "OmniboxBundledExperimentV1")},
6343
6344     {"omnibox-square-suggest-icons",
6345      flag_descriptions::kOmniboxSimplifiedUiSquareSuggestIconName,
6346      flag_descriptions::kOmniboxSimplifiedUiSquareSuggestIconDescription,
6347      kOsAll,
6348      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kSquareSuggestIcons,
6349                                     kOmniboxSquareSuggestionIconVariations,
6350                                     "OmniboxBundledExperimentV1")},
6351
6352     {"omnibox-uniform-suggestion-height",
6353      flag_descriptions::kOmniboxSimplifiedUiUniformRowHeightName,
6354      flag_descriptions::kOmniboxSimplifiedUiUniformRowHeightDescription, kOsAll,
6355      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kUniformRowHeight,
6356                                     kOmniboxSuggestionHeightVariations,
6357                                     "Uniform Omnibox Suggest Heights")},
6358     {"omnibox-cr23-action-chips",
6359      flag_descriptions::kOmniboxCR23ActionChipsName,
6360      flag_descriptions::kOmniboxCR23ActionChipsDescription, kOsDesktop,
6361      FEATURE_VALUE_TYPE(omnibox::kCr2023ActionChips)},
6362
6363     {"omnibox-cr23-action-chips-icons",
6364      flag_descriptions::kOmniboxCR23ActionChipsIconsName,
6365      flag_descriptions::kOmniboxCR23ActionChipsIconsDescription, kOsDesktop,
6366      FEATURE_VALUE_TYPE(omnibox::kCr2023ActionChipsIcons)},
6367
6368     {"omnibox-cr23-expanded-state-height",
6369      flag_descriptions::kOmniboxCR23ExpandedStateHeightName,
6370      flag_descriptions::kOmniboxCR23ExpandedStateHeightDescription, kOsDesktop,
6371      FEATURE_VALUE_TYPE(omnibox::kExpandedStateHeight)},
6372
6373     {"omnibox-cr23-expanded-state-shape",
6374      flag_descriptions::kOmniboxCR23ExpandedStateShapeName,
6375      flag_descriptions::kOmniboxCR23ExpandedStateShapeDescription, kOsDesktop,
6376      FEATURE_VALUE_TYPE(omnibox::kExpandedStateShape)},
6377
6378     {"omnibox-cr23-expanded-state-suggest-icons",
6379      flag_descriptions::kOmniboxCR23ExpandedStateSuggestIconsName,
6380      flag_descriptions::kOmniboxCR23ExpandedStateSuggestIconsDescription,
6381      kOsDesktop, FEATURE_VALUE_TYPE(omnibox::kExpandedStateSuggestIcons)},
6382
6383     {"omnibox-cr23-steady-state-icons",
6384      flag_descriptions::kOmniboxCR23SteadyStateIconsName,
6385      flag_descriptions::kOmniboxCR23SteadyStateIconsDescription, kOsAll,
6386      FEATURE_VALUE_TYPE(omnibox::kOmniboxCR23SteadyStateIcons)},
6387
6388     {"omnibox-cr23-expanded-state-colors",
6389      flag_descriptions::kOmniboxCR23ExpandedStateColorsName,
6390      flag_descriptions::kOmniboxCR23ExpandedStateColorsDescription, kOsDesktop,
6391      FEATURE_VALUE_TYPE(omnibox::kExpandedStateColors)},
6392
6393     {"omnibox-cr23-expanded-state-layout",
6394      flag_descriptions::kOmniboxCR23ExpandedStateLayoutName,
6395      flag_descriptions::kOmniboxCR23ExpandedStateLayoutDescription, kOsDesktop,
6396      FEATURE_VALUE_TYPE(omnibox::kExpandedLayout)},
6397
6398     {"omnibox-cr23-suggestion-hover-fill-shape",
6399      flag_descriptions::kOmniboxCR23SuggestionHoverFillShapeName,
6400      flag_descriptions::kOmniboxCR23SuggestionHoverFillShapeDescription,
6401      kOsDesktop, FEATURE_VALUE_TYPE(omnibox::kSuggestionHoverFillShape)},
6402
6403     {"omnibox-gm3-steady-state-background-color",
6404      flag_descriptions::kOmniboxGM3SteadyStateBackgroundColorName,
6405      flag_descriptions::kOmniboxGM3SteadyStateBackgroundColorDescription,
6406      kOsAll, FEATURE_VALUE_TYPE(omnibox::kOmniboxSteadyStateBackgroundColor)},
6407
6408     {"omnibox-gm3-steady-state-height",
6409      flag_descriptions::kOmniboxGM3SteadyStateHeightName,
6410      flag_descriptions::kOmniboxGM3SteadyStateHeightDescription, kOsAll,
6411      FEATURE_VALUE_TYPE(omnibox::kOmniboxSteadyStateHeight)},
6412
6413     {"omnibox-gm3-steady-state-text-color",
6414      flag_descriptions::kOmniboxGM3SteadyStateTextColorName,
6415      flag_descriptions::kOmniboxGM3SteadyStateTextColorDescription, kOsAll,
6416      FEATURE_VALUE_TYPE(omnibox::kOmniboxSteadyStateTextColor)},
6417
6418     {"omnibox-gm3-steady-state-text-style",
6419      flag_descriptions::kOmniboxGM3SteadyStateTextStyleName,
6420      flag_descriptions::kOmniboxGM3SteadyStateTextStyleDescription, kOsAll,
6421      FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kOmniboxSteadyStateTextStyle,
6422                                     kOmniboxFontSizeVariations,
6423                                     "OmniboxCR2023m113")},
6424
6425     {"omnibox-grouping-framework-zps",
6426      flag_descriptions::kOmniboxGroupingFrameworkZPSName,
6427      flag_descriptions::kOmniboxGroupingFrameworkDescription, kOsAll,
6428      FEATURE_VALUE_TYPE(omnibox::kGroupingFrameworkForZPS)},
6429
6430     {"omnibox-grouping-framework-non-zps",
6431      flag_descriptions::kOmniboxGroupingFrameworkNonZPSName,
6432      flag_descriptions::kOmniboxGroupingFrameworkDescription, kOsAll,
6433      FEATURE_VALUE_TYPE(omnibox::kGroupingFrameworkForNonZPS)},
6434
6435     {"omnibox-company-entity-icon-adjustment",
6436      flag_descriptions::kOmniboxCompanyEntityIconAdjustmentName,
6437      flag_descriptions::kOmniboxCompanyEntityIconAdjustmentDescription, kOsAll,
6438      FEATURE_WITH_PARAMS_VALUE_TYPE(
6439          omnibox::kCompanyEntityIconAdjustment,
6440          kOmniboxCompanyEntityIconAdjustmentVariations,
6441          "OmniboxCompanyEntityIconAdjustment")},
6442
6443     {"omnibox-calc-provider", flag_descriptions::kOmniboxCalcProviderName,
6444      flag_descriptions::kOmniboxCalcProviderDescription, kOsAll,
6445      FEATURE_VALUE_TYPE(omnibox_feature_configs::CalcProvider::kCalcProvider)},
6446
6447     {"optimization-guide-debug-logs",
6448      flag_descriptions::kOptimizationGuideDebugLogsName,
6449      flag_descriptions::kOptimizationGuideDebugLogsDescription, kOsAll,
6450      SINGLE_VALUE_TYPE(optimization_guide::switches::kDebugLoggingEnabled)},
6451
6452     {"optimization-guide-install-wide-model-store",
6453      flag_descriptions::kOptimizationGuideInstallWideModelStoreName,
6454      flag_descriptions::kOptimizationGuideInstallWideModelStoreDescription,
6455      kOsAll,
6456      FEATURE_VALUE_TYPE(optimization_guide::features::
6457                             kOptimizationGuideInstallWideModelStore)},
6458
6459     {"optimization-guide-model-execution",
6460      flag_descriptions::kOptimizationGuideModelExecutionName,
6461      flag_descriptions::kOptimizationGuideModelExecutionDescription, kOsDesktop,
6462      FEATURE_VALUE_TYPE(
6463          optimization_guide::features::kOptimizationGuideModelExecution)},
6464
6465     {"organic-repeatable-queries",
6466      flag_descriptions::kOrganicRepeatableQueriesName,
6467      flag_descriptions::kOrganicRepeatableQueriesDescription,
6468      kOsDesktop | kOsAndroid,
6469      FEATURE_WITH_PARAMS_VALUE_TYPE(history::kOrganicRepeatableQueries,
6470                                     kOrganicRepeatableQueriesVariations,
6471                                     "OrganicRepeatableQueries")},
6472
6473     {"history-journeys", flag_descriptions::kJourneysName,
6474      flag_descriptions::kJourneysDescription, kOsDesktop | kOsAndroid,
6475      FEATURE_WITH_PARAMS_VALUE_TYPE(history_clusters::internal::kJourneys,
6476                                     kJourneysVariations,
6477                                     "HistoryJourneys")},
6478
6479     {"rename-history-journeys", flag_descriptions::kRenameJourneysName,
6480      flag_descriptions::kRenameJourneysDescription, kOsDesktop | kOsAndroid,
6481      FEATURE_VALUE_TYPE(history_clusters::kRenameJourneys)},
6482
6483     {"history-journeys-labels", flag_descriptions::kJourneysLabelsName,
6484      flag_descriptions::kJourneysLabelsDescription, kOsDesktop | kOsAndroid,
6485      FEATURE_WITH_PARAMS_VALUE_TYPE(history_clusters::internal::kJourneysLabels,
6486                                     kJourneysLabelsVariations,
6487                                     "HistoryJourneysLabels")},
6488
6489     {"history-journeys-show-all-clusters",
6490      flag_descriptions::kJourneysShowAllClustersName,
6491      flag_descriptions::kJourneysShowAllClustersDescription,
6492      kOsDesktop | kOsAndroid,
6493      SINGLE_VALUE_TYPE(history_clusters::switches::
6494                            kShouldShowAllClustersOnProminentUiSurfaces)},
6495
6496     {"history-journeys-include-synced-visits",
6497      flag_descriptions::kJourneysIncludeSyncedVisitsName,
6498      flag_descriptions::kJourneysIncludeSyncedVisitsDescription,
6499      kOsDesktop | kOsAndroid,
6500      FEATURE_VALUE_TYPE(
6501          history_clusters::internal::kJourneysIncludeSyncedVisits)},
6502
6503     {"history-journeys-zero-state-filtering",
6504      flag_descriptions::kJourneysZeroStateFilteringName,
6505      flag_descriptions::kJourneysZeroStateFilteringDescription,
6506      kOsDesktop | kOsAndroid,
6507      FEATURE_VALUE_TYPE(
6508          history_clusters::internal::kJourneysZeroStateFiltering)},
6509
6510     {"extract-related-searches-from-prefetched-zps-response",
6511      flag_descriptions::kExtractRelatedSearchesFromPrefetchedZPSResponseName,
6512      flag_descriptions::
6513          kExtractRelatedSearchesFromPrefetchedZPSResponseDescription,
6514      kOsDesktop | kOsAndroid,
6515      FEATURE_VALUE_TYPE(optimization_guide::features::
6516                             kExtractRelatedSearchesFromPrefetchedZPSResponse)},
6517
6518     {"page-image-service-optimization-guide-salient-images",
6519      flag_descriptions::kPageImageServiceOptimizationGuideSalientImagesName,
6520      flag_descriptions::
6521          kPageImageServiceOptimizationGuideSalientImagesDescription,
6522      kOsDesktop | kOsAndroid,
6523      FEATURE_WITH_PARAMS_VALUE_TYPE(
6524          page_image_service::kImageServiceOptimizationGuideSalientImages,
6525          kImageServiceOptimizationGuideSalientImagesVariations,
6526          "PageImageService")},
6527
6528     {"page-image-service-suggest-powered-images",
6529      flag_descriptions::kPageImageServiceSuggestPoweredImagesName,
6530      flag_descriptions::kPageImageServiceSuggestPoweredImagesDescription,
6531      kOsDesktop,
6532      FEATURE_VALUE_TYPE(page_image_service::kImageServiceSuggestPoweredImages)},
6533
6534     {"page-content-annotations", flag_descriptions::kPageContentAnnotationsName,
6535      flag_descriptions::kPageContentAnnotationsDescription,
6536      kOsDesktop | kOsAndroid,
6537      FEATURE_WITH_PARAMS_VALUE_TYPE(
6538          optimization_guide::features::kPageContentAnnotations,
6539          kPageContentAnnotationsVariations,
6540          "PageContentAnnotations")},
6541
6542     {"page-content-annotations-persist-salient-image-metadata",
6543      flag_descriptions::kPageContentAnnotationsPersistSalientImageMetadataName,
6544      flag_descriptions::
6545          kPageContentAnnotationsPersistSalientImageMetadataDescription,
6546      kOsDesktop,
6547      FEATURE_VALUE_TYPE(
6548          optimization_guide::features::
6549              kPageContentAnnotationsPersistSalientImageMetadata)},
6550
6551     {"page-content-annotations-remote-page-metadata",
6552      flag_descriptions::kPageContentAnnotationsRemotePageMetadataName,
6553      flag_descriptions::kPageContentAnnotationsRemotePageMetadataDescription,
6554      kOsDesktop,
6555      FEATURE_VALUE_TYPE(optimization_guide::features::kRemotePageMetadata)},
6556
6557     {"page-entities-page-content-annotations",
6558      flag_descriptions::kPageEntitiesPageContentAnnotationsName,
6559      flag_descriptions::kPageEntitiesPageContentAnnotationsDescription,
6560      kOsDesktop | kOsAndroid,
6561      FEATURE_WITH_PARAMS_VALUE_TYPE(
6562          optimization_guide::features::kPageEntitiesPageContentAnnotations,
6563          kPageEntitiesPageContentAnnotationsVariations,
6564          "PageEntitiesPageContentAnnotations")},
6565
6566     {"page-visibility-page-content-annotations",
6567      flag_descriptions::kPageVisibilityPageContentAnnotationsName,
6568      flag_descriptions::kPageVisibilityPageContentAnnotationsDescription,
6569      kOsDesktop | kOsAndroid,
6570      FEATURE_VALUE_TYPE(
6571          optimization_guide::features::kPageVisibilityPageContentAnnotations)},
6572
6573 #if BUILDFLAG(IS_CHROMEOS_ASH)
6574     {"enable-remove-stale-policy-pinned-apps-from-shelf",
6575      flag_descriptions::kEnableRemoveStalePolicyPinnedAppsFromShelfName,
6576      flag_descriptions::kEnableRemoveStalePolicyPinnedAppsFromShelfDescription,
6577      kOsCrOS,
6578      FEATURE_VALUE_TYPE(ash::features::kRemoveStalePolicyPinnedAppsFromShelf)},
6579     {"handwriting-gesture-editing",
6580      flag_descriptions::kHandwritingGestureEditingName,
6581      flag_descriptions::kHandwritingGestureEditingDescription, kOsCrOS,
6582      FEATURE_VALUE_TYPE(ash::features::kHandwritingGestureEditing)},
6583     {"handwriting-legacy-recognition",
6584      flag_descriptions::kHandwritingLegacyRecognitionName,
6585      flag_descriptions::kHandwritingLegacyRecognitionDescription, kOsCrOS,
6586      FEATURE_VALUE_TYPE(ash::features::kHandwritingLegacyRecognition)},
6587     {"handwriting-library-dlc", flag_descriptions::kHandwritingLibraryDlcName,
6588      flag_descriptions::kHandwritingLibraryDlcDescription, kOsCrOS,
6589      FEATURE_VALUE_TYPE(ash::features::kHandwritingLibraryDlc)},
6590     {"language-packs-in-settings",
6591      flag_descriptions::kLanguagePacksInSettingsName,
6592      flag_descriptions::kLanguagePacksInSettingsDescription, kOsCrOS,
6593      FEATURE_VALUE_TYPE(ash::features::kLanguagePacksInSettings)},
6594 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
6595
6596     {"block-insecure-private-network-requests",
6597      flag_descriptions::kBlockInsecurePrivateNetworkRequestsName,
6598      flag_descriptions::kBlockInsecurePrivateNetworkRequestsDescription, kOsAll,
6599      FEATURE_VALUE_TYPE(features::kBlockInsecurePrivateNetworkRequests)},
6600
6601     {"private-network-access-respect-preflight-results",
6602      flag_descriptions::kPrivateNetworkAccessRespectPreflightResultsName,
6603      flag_descriptions::kPrivateNetworkAccessRespectPreflightResultsDescription,
6604      kOsAll,
6605      FEATURE_VALUE_TYPE(
6606          features::kPrivateNetworkAccessRespectPreflightResults)},
6607
6608     {"private-network-access-preflight-short-timeout",
6609      flag_descriptions::kPrivateNetworkAccessPreflightShortTimeoutName,
6610      flag_descriptions::kPrivateNetworkAccessPreflightShortTimeoutDescription,
6611      kOsAll,
6612      FEATURE_VALUE_TYPE(
6613          network::features::kPrivateNetworkAccessPreflightShortTimeout)},
6614
6615     {"private-network-access-permission-prompt",
6616      flag_descriptions::kPrivateNetworkAccessPermissionPromptName,
6617      flag_descriptions::kPrivateNetworkAccessPermissionPromptDescription,
6618      kOsDesktop,
6619      FEATURE_VALUE_TYPE(
6620          network::features::kPrivateNetworkAccessPermissionPrompt)},
6621
6622     {"main-thread-compositing-priority",
6623      flag_descriptions::kMainThreadCompositingPriorityName,
6624      flag_descriptions::kMainThreadCompositingPriorityDescription, kOsAll,
6625      FEATURE_VALUE_TYPE(features::kMainThreadCompositingPriority)},
6626
6627     {"mbi-mode", flag_descriptions::kMBIModeName,
6628      flag_descriptions::kMBIModeDescription, kOsAll,
6629      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kMBIMode,
6630                                     kMBIModeVariations,
6631                                     "MBIMode")},
6632
6633 #if BUILDFLAG(IS_CHROMEOS_ASH)
6634     {"double-tap-to-zoom-in-tablet-mode",
6635      flag_descriptions::kDoubleTapToZoomInTabletModeName,
6636      flag_descriptions::kDoubleTapToZoomInTabletModeDescription, kOsCrOS,
6637      FEATURE_VALUE_TYPE(features::kDoubleTapToZoomInTabletMode)},
6638
6639     {"quick-settings-pwa-notifications",
6640      flag_descriptions::kQuickSettingsPWANotificationsName,
6641      flag_descriptions::kQuickSettingsPWANotificationsDescription, kOsCrOS,
6642      FEATURE_VALUE_TYPE(features::kQuickSettingsPWANotifications)},
6643 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
6644
6645     {flag_descriptions::kTabGroupsSaveId, flag_descriptions::kTabGroupsSaveName,
6646      flag_descriptions::kTabGroupsSaveDescription, kOsDesktop,
6647      FEATURE_VALUE_TYPE(features::kTabGroupsSave)},
6648
6649     {flag_descriptions::kScrollableTabStripFlagId,
6650      flag_descriptions::kScrollableTabStripName,
6651      flag_descriptions::kScrollableTabStripDescription, kOsDesktop,
6652      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kScrollableTabStrip,
6653                                     kTabScrollingVariations,
6654                                     "TabScrolling")},
6655
6656     {flag_descriptions::kTabScrollingButtonPositionFlagId,
6657      flag_descriptions::kTabScrollingButtonPositionName,
6658      flag_descriptions::kTabScrollingButtonPositionDescription, kOsDesktop,
6659      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kTabScrollingButtonPosition,
6660                                     kTabScrollingButtonPositionVariations,
6661                                     "TabScrollingButtonPosition")},
6662
6663     {flag_descriptions::kScrollableTabStripWithDraggingFlagId,
6664      flag_descriptions::kScrollableTabStripWithDraggingName,
6665      flag_descriptions::kScrollableTabStripWithDraggingDescription, kOsDesktop,
6666      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kScrollableTabStripWithDragging,
6667                                     kTabScrollingWithDraggingVariations,
6668                                     "TabScrollingWithDragging")},
6669
6670     {flag_descriptions::kScrollableTabStripOverflowFlagId,
6671      flag_descriptions::kScrollableTabStripOverflowName,
6672      flag_descriptions::kScrollableTabStripOverflowDescription, kOsDesktop,
6673      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kScrollableTabStripOverflow,
6674                                     kScrollableTabStripOverflowVariations,
6675                                     "ScrollableTabStripOverflow")},
6676
6677     {"split-tabstrip", flag_descriptions::kSplitTabStripName,
6678      flag_descriptions::kSplitTabStripDescription, kOsDesktop,
6679      FEATURE_VALUE_TYPE(features::kSplitTabStrip)},
6680
6681     {flag_descriptions::kSidePanelJourneysFlagId,
6682      flag_descriptions::kSidePanelJourneysName,
6683      flag_descriptions::kSidePanelJourneysDescription, kOsDesktop,
6684      FEATURE_WITH_PARAMS_VALUE_TYPE(
6685          history_clusters::kSidePanelJourneys,
6686          kSidePanelJourneysOpensFromOmniboxVariations,
6687          "SidePanelJourneys")},
6688
6689     {flag_descriptions::kSidePanelJourneysQuerylessFlagId,
6690      flag_descriptions::kSidePanelJourneysQuerylessName,
6691      flag_descriptions::kSidePanelJourneysQuerylessDescription, kOsDesktop,
6692      FEATURE_VALUE_TYPE(features::kSidePanelJourneysQueryless)},
6693
6694 #if !BUILDFLAG(IS_ANDROID)
6695     {flag_descriptions::kSidePanelPinningFlagId,
6696      flag_descriptions::kSidePanelPinningName,
6697      flag_descriptions::kSidePanelPinningDescription, kOsDesktop,
6698      FEATURE_VALUE_TYPE(features::kSidePanelPinning)},
6699 #endif  // !BUILDFLAG(IS_ANDROID)
6700
6701 #if BUILDFLAG(IS_ANDROID)
6702     {"enable-reader-mode-in-cct", flag_descriptions::kReaderModeInCCTName,
6703      flag_descriptions::kReaderModeInCCTDescription, kOsAndroid,
6704      FEATURE_VALUE_TYPE(chrome::android::kReaderModeInCCT)},
6705 #endif  // BUILDFLAG(IS_ANDROID)
6706
6707     {"shopping-collection",
6708      commerce::flag_descriptions::kShoppingCollectionName,
6709      commerce::flag_descriptions::kShoppingCollectionDescription,
6710      kOsAndroid | kOsDesktop,
6711      FEATURE_VALUE_TYPE(commerce::kShoppingCollection)},
6712
6713     {"shopping-list", commerce::flag_descriptions::kShoppingListName,
6714      commerce::flag_descriptions::kShoppingListDescription,
6715      kOsAndroid | kOsDesktop, FEATURE_VALUE_TYPE(commerce::kShoppingList)},
6716
6717     {"shopping-list-track-by-default",
6718      commerce::flag_descriptions::kShoppingListTrackByDefaultName,
6719      commerce::flag_descriptions::kShoppingListTrackByDefaultDescription,
6720      kOsAndroid | kOsDesktop,
6721      FEATURE_VALUE_TYPE(commerce::kShoppingListTrackByDefault)},
6722
6723     {"local-pdp-detection",
6724      commerce::flag_descriptions::kCommerceLocalPDPDetectionName,
6725      commerce::flag_descriptions::kCommerceLocalPDPDetectionDescription,
6726      kOsAndroid | kOsDesktop,
6727      FEATURE_VALUE_TYPE(commerce::kCommerceLocalPDPDetection)},
6728
6729     {"parcel-tracking-test-data",
6730      commerce::flag_descriptions::kParcelTrackingTestDataName,
6731      commerce::flag_descriptions::kParcelTrackingTestDataDescription,
6732      kOsAndroid | kOsDesktop,
6733      FEATURE_WITH_PARAMS_VALUE_TYPE(commerce::kParcelTrackingTestData,
6734                                     kParcelTrackingTestDataVariations,
6735                                     "ParcelTrackingTestData")},
6736
6737 #if !BUILDFLAG(IS_ANDROID)
6738     {"enable-price-tracking-chip-experiment",
6739      commerce::flag_descriptions::kPriceTrackingChipExperimentName,
6740      commerce::flag_descriptions::kPriceTrackingChipExperimentDescription,
6741      kOsDesktop,
6742      FEATURE_WITH_PARAMS_VALUE_TYPE(
6743          commerce::kCommercePriceTrackingChipExperiment,
6744          kPriceTrackingChipExperimentVariations,
6745          "PriceTrackingChipExperiment")},
6746
6747     {"price-tracking-icon-colors",
6748      commerce::flag_descriptions::kPriceTrackingIconColorsDescription,
6749      commerce::flag_descriptions::kPriceTrackingIconColorsDescription,
6750      kOsDesktop, FEATURE_VALUE_TYPE(commerce::kPriceTrackingIconColors)},
6751
6752     {"enable-retail-coupons", flag_descriptions::kRetailCouponsName,
6753      flag_descriptions::kRetailCouponsDescription, kOsDesktop,
6754      FEATURE_VALUE_TYPE(commerce::kRetailCoupons)},
6755
6756     {"ntp-alpha-background-collections",
6757      flag_descriptions::kNtpAlphaBackgroundCollectionsName,
6758      flag_descriptions::kNtpAlphaBackgroundCollectionsDescription, kOsDesktop,
6759      FEATURE_VALUE_TYPE(ntp_features::kNtpAlphaBackgroundCollections)},
6760
6761     {"ntp-background-image-error-detection",
6762      flag_descriptions::kNtpBackgroundImageErrorDetectionName,
6763      flag_descriptions::kNtpBackgroundImageErrorDetectionDescription,
6764      kOsDesktop,
6765      FEATURE_VALUE_TYPE(ntp_features::kNtpBackgroundImageErrorDetection)},
6766
6767     {"ntp-cache-one-google-bar", flag_descriptions::kNtpCacheOneGoogleBarName,
6768      flag_descriptions::kNtpCacheOneGoogleBarDescription, kOsDesktop,
6769      FEATURE_VALUE_TYPE(ntp_features::kCacheOneGoogleBar)},
6770
6771     {"ntp-chrome-cart-journeys-module-coexist",
6772      flag_descriptions::kNtpChromeCartHistoryClusterCoexistName,
6773      flag_descriptions::kNtpChromeCartHistoryClusterCoexistDescription,
6774      kOsDesktop,
6775      FEATURE_VALUE_TYPE(ntp_features::kNtpChromeCartHistoryClusterCoexist)},
6776
6777     {"ntp-chrome-cart-in-journeys-module",
6778      flag_descriptions::kNtpChromeCartInHistoryClustersModuleName,
6779      flag_descriptions::kNtpChromeCartInHistoryClustersModuleDescription,
6780      kOsDesktop,
6781      FEATURE_WITH_PARAMS_VALUE_TYPE(
6782          ntp_features::kNtpChromeCartInHistoryClusterModule,
6783          kNtpChromeCartInHistoryClustersModuleVariations,
6784          "DesktopNtpModules")},
6785
6786     {"ntp-discounts-in-journeys-module",
6787      flag_descriptions::kNtpDiscountsInHistoryClustersModuleName,
6788      flag_descriptions::kNtpDiscountsInHistoryClustersModuleDescription,
6789      kOsDesktop,
6790      FEATURE_VALUE_TYPE(ntp_features::kNtpHistoryClustersModuleDiscounts)},
6791
6792     {"ntp-chrome-cart-module", flag_descriptions::kNtpChromeCartModuleName,
6793      flag_descriptions::kNtpChromeCartModuleDescription, kOsDesktop,
6794      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpChromeCartModule,
6795                                     kNtpChromeCartModuleVariations,
6796                                     "DesktopNtpModules")},
6797
6798     {"chrome-cart-dom-based-heuristics",
6799      commerce::flag_descriptions::kChromeCartDomBasedHeuristicsName,
6800      commerce::flag_descriptions::kChromeCartDomBasedHeuristicsDescription,
6801      kOsDesktop, FEATURE_VALUE_TYPE(commerce::kChromeCartDomBasedHeuristics)},
6802
6803     {"ntp-comprehensive-theme-realbox",
6804      flag_descriptions::kNtpComprehensiveThemeRealboxName,
6805      flag_descriptions::kNtpComprehensiveThemeRealboxDescription, kOsDesktop,
6806      FEATURE_VALUE_TYPE(ntp_features::kNtpComprehensiveThemeRealbox)},
6807
6808     {"ntp-drive-module", flag_descriptions::kNtpDriveModuleName,
6809      flag_descriptions::kNtpDriveModuleDescription, kOsDesktop,
6810      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpDriveModule,
6811                                     kNtpDriveModuleVariations,
6812                                     "DesktopNtpModules")},
6813
6814     {"ntp-drive-module-segmentation",
6815      flag_descriptions::kNtpDriveModuleSegmentationName,
6816      flag_descriptions::kNtpDriveModuleSegmentationDescription, kOsDesktop,
6817      FEATURE_VALUE_TYPE(ntp_features::kNtpDriveModuleSegmentation)},
6818
6819     {"ntp-drive-module-show-six-files",
6820      flag_descriptions::kNtpDriveModuleShowSixFilesName,
6821      flag_descriptions::kNtpDriveModuleShowSixFilesDescription, kOsDesktop,
6822      FEATURE_VALUE_TYPE(ntp_features::kNtpDriveModuleShowSixFiles)},
6823
6824 #if !defined(OFFICIAL_BUILD)
6825     {"ntp-dummy-modules", flag_descriptions::kNtpDummyModulesName,
6826      flag_descriptions::kNtpDummyModulesDescription, kOsDesktop,
6827      FEATURE_VALUE_TYPE(ntp_features::kNtpDummyModules)},
6828 #endif
6829
6830     {"ntp-journeys-module", flag_descriptions::kNtpHistoryClustersModuleName,
6831      flag_descriptions::kNtpHistoryClustersModuleDescription, kOsDesktop,
6832      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpHistoryClustersModule,
6833                                     kNtpHistoryClustersModuleVariations,
6834                                     "DesktopNtpModules")},
6835
6836     {"ntp-journeys-module-suggestion-chip-header",
6837      flag_descriptions::kNtpHistoryClustersModuleSuggestionChipHeaderName,
6838      flag_descriptions::
6839          kNtpHistoryClustersModuleSuggestionChipHeaderDescription,
6840      kOsDesktop,
6841      FEATURE_VALUE_TYPE(
6842          ntp_features::kNtpHistoryClustersModuleSuggestionChipHeader)},
6843
6844     {"ntp-journeys-module-model-ranking",
6845      flag_descriptions::kNtpHistoryClustersModuleUseModelRankingName,
6846      flag_descriptions::kNtpHistoryClustersModuleUseModelRankingDescription,
6847      kOsDesktop,
6848      FEATURE_VALUE_TYPE(
6849          ntp_features::kNtpHistoryClustersModuleUseModelRanking)},
6850
6851     {"ntp-journeys-module-text-only",
6852      flag_descriptions::kNtpHistoryClustersModuleTextOnlyName,
6853      flag_descriptions::kNtpHistoryClustersModuleTextOnlyDescription,
6854      kOsDesktop,
6855      FEATURE_VALUE_TYPE(ntp_features::kNtpHistoryClustersModuleTextOnly)},
6856
6857     {"ntp-modules-header-icon", flag_descriptions::kNtpModulesHeaderIconName,
6858      flag_descriptions::kNtpModulesHeaderIconDescription, kOsDesktop,
6859      FEATURE_VALUE_TYPE(ntp_features::kNtpModulesHeaderIcon)},
6860
6861     {"ntp-wide-modules", flag_descriptions::kNtpWideModulesName,
6862      flag_descriptions::kNtpWideModulesDescription, kOsDesktop,
6863      FEATURE_VALUE_TYPE(ntp_features::kNtpWideModules)},
6864
6865     {"ntp-reduced-logo-space", flag_descriptions::kNtpReducedLogoSpaceName,
6866      flag_descriptions::kNtpReducedLogoSpaceDescription, kOsDesktop,
6867      FEATURE_VALUE_TYPE(ntp_features::kNtpReducedLogoSpace)},
6868
6869     {"ntp-single-row-shortcuts", flag_descriptions::kNtpSingleRowShortcutsName,
6870      flag_descriptions::kNtpSingleRowShortcutsDescription, kOsDesktop,
6871      FEATURE_VALUE_TYPE(ntp_features::kNtpSingleRowShortcuts)},
6872
6873     {"ntp-middle-slot-promo-dismissal",
6874      flag_descriptions::kNtpMiddleSlotPromoDismissalName,
6875      flag_descriptions::kNtpMiddleSlotPromoDismissalDescription, kOsDesktop,
6876      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpMiddleSlotPromoDismissal,
6877                                     kNtpMiddleSlotPromoDismissalVariations,
6878                                     "DesktopNtpModules")},
6879
6880     {"ntp-modules-drag-and-drop", flag_descriptions::kNtpModulesDragAndDropName,
6881      flag_descriptions::kNtpModulesDragAndDropDescription, kOsDesktop,
6882      FEATURE_VALUE_TYPE(ntp_features::kNtpModulesDragAndDrop)},
6883
6884     {"ntp-modules-first-run-experience",
6885      flag_descriptions::kNtpModulesFirstRunExperienceName,
6886      flag_descriptions::kNtpModulesFirstRunExperienceDescription, kOsDesktop,
6887      FEATURE_VALUE_TYPE(ntp_features::kNtpModulesFirstRunExperience)},
6888
6889     {"ntp-modules-redesigned", flag_descriptions::kNtpModulesRedesignedName,
6890      flag_descriptions::kNtpModulesRedesignedDescription, kOsDesktop,
6891      FEATURE_VALUE_TYPE(ntp_features::kNtpModulesRedesigned)},
6892
6893     {"ntp-photos-module", flag_descriptions::kNtpPhotosModuleName,
6894      flag_descriptions::kNtpPhotosModuleDescription, kOsDesktop,
6895      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpPhotosModule,
6896                                     kNtpPhotosModuleVariations,
6897                                     "DesktopNtpModules")},
6898
6899     {"ntp-photos-opt-in-art-work",
6900      flag_descriptions::kNtpPhotosModuleOptInArtWorkName,
6901      flag_descriptions::kNtpPhotosModuleOptInArtWorkDescription, kOsDesktop,
6902      FEATURE_WITH_PARAMS_VALUE_TYPE(
6903          ntp_features::kNtpPhotosModuleCustomizedOptInArtWork,
6904          kNtpPhotosModuleOptInArtWorkVariations,
6905          "DesktopNtpModules")},
6906
6907     {"ntp-photos-opt-in-title",
6908      flag_descriptions::kNtpPhotosModuleOptInTitleName,
6909      flag_descriptions::kNtpPhotosModuleOptInTitleDescription, kOsDesktop,
6910      FEATURE_WITH_PARAMS_VALUE_TYPE(
6911          ntp_features::kNtpPhotosModuleCustomizedOptInTitle,
6912          kNtpPhotosModuleOptInTitleVariations,
6913          "DesktopNtpModules")},
6914
6915     {"ntp-photos-soft-opt-out",
6916      flag_descriptions::kNtpPhotosModuleSoftOptOutName,
6917      flag_descriptions::kNtpPhotosModuleSoftOptOutDescription, kOsDesktop,
6918      FEATURE_VALUE_TYPE(ntp_features::kNtpPhotosModuleSoftOptOut)},
6919
6920     {"ntp-recipe-tasks-module", flag_descriptions::kNtpRecipeTasksModuleName,
6921      flag_descriptions::kNtpRecipeTasksModuleDescription, kOsDesktop,
6922      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpRecipeTasksModule,
6923                                     kNtpRecipeTasksModuleVariations,
6924                                     "DesktopNtpModules")},
6925
6926     {"ntp-realbox-is-tall", flag_descriptions::kNtpRealboxIsTallName,
6927      flag_descriptions::kNtpRealboxIsTallDescription, kOsDesktop,
6928      FEATURE_VALUE_TYPE(ntp_features::kRealboxIsTall)},
6929
6930     {"ntp-realbox-cr23-all", flag_descriptions::kNtpRealboxCr23AllName,
6931      flag_descriptions::kNtpRealboxCr23AllDescription, kOsDesktop,
6932      FEATURE_VALUE_TYPE(ntp_features::kRealboxCr23All)},
6933
6934     {"ntp-realbox-match-searchbox-theme",
6935      flag_descriptions::kNtpRealboxMatchSearchboxThemeName,
6936      flag_descriptions::kNtpRealboxMatchSearchboxThemeDescription, kOsDesktop,
6937      FEATURE_VALUE_TYPE(ntp_features::kRealboxMatchSearchboxTheme)},
6938
6939     {"ntp-realbox-pedals", flag_descriptions::kNtpRealboxPedalsName,
6940      flag_descriptions::kNtpRealboxPedalsDescription, kOsDesktop,
6941      FEATURE_VALUE_TYPE(omnibox::kNtpRealboxPedals)},
6942
6943     {"ntp-realbox-use-google-g-icon",
6944      flag_descriptions::kNtpRealboxUseGoogleGIconName,
6945      flag_descriptions::kNtpRealboxUseGoogleGIconDescription, kOsDesktop,
6946      FEATURE_VALUE_TYPE(ntp_features::kRealboxUseGoogleGIcon)},
6947
6948     {"ntp-realbox-width-behavior",
6949      flag_descriptions::kNtpRealboxWidthBehaviorName,
6950      flag_descriptions::kNtpRealboxWidthBehaviorDescription, kOsDesktop,
6951      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kRealboxWidthBehavior,
6952                                     kNtpRealboxWidthBehaviorVariations,
6953                                     "NtpRealboxWidthBehavior")},
6954
6955     {"ntp-safe-browsing-module", flag_descriptions::kNtpSafeBrowsingModuleName,
6956      flag_descriptions::kNtpSafeBrowsingModuleDescription, kOsDesktop,
6957      FEATURE_WITH_PARAMS_VALUE_TYPE(ntp_features::kNtpSafeBrowsingModule,
6958                                     kNtpSafeBrowsingModuleVariations,
6959                                     "DesktopNtpModules")},
6960
6961     {"ntp-desktop-lens", flag_descriptions::kNtpDesktopLensName,
6962      flag_descriptions::kNtpDesktopLensDescription, kOsDesktop,
6963      FEATURE_VALUE_TYPE(ntp_features::kNtpRealboxLensSearch)},
6964
6965     {"ntp-tab-resumption-module",
6966      flag_descriptions::kNtpTabResumptionModuleName,
6967      flag_descriptions::kNtpTabResumptionModuleDescription, kOsDesktop,
6968      FEATURE_VALUE_TYPE(ntp_features::kNtpTabResumptionModule)},
6969
6970     {"price-insights", commerce::flag_descriptions::kPriceInsightsName,
6971      commerce::flag_descriptions::kPriceInsightsDescription, kOsDesktop,
6972      FEATURE_VALUE_TYPE(commerce::kPriceInsights)},
6973
6974     {"shopping-page-types", commerce::flag_descriptions::kShoppingPageTypesName,
6975      commerce::flag_descriptions::kShoppingPageTypesDescription, kOsDesktop,
6976      FEATURE_VALUE_TYPE(commerce::kShoppingPageTypes)},
6977
6978     {"show-discount-on-navigation",
6979      commerce::flag_descriptions::kShowDiscountOnNavigationName,
6980      commerce::flag_descriptions::kShowDiscountOnNavigationDescription,
6981      kOsDesktop, FEATURE_VALUE_TYPE(commerce::kShowDiscountOnNavigation)},
6982
6983 #endif  // !BUILDFLAG(IS_ANDROID)
6984
6985 #if BUILDFLAG(CHROME_WIDE_ECHO_CANCELLATION)
6986     {"chrome-wide-echo-cancellation",
6987      flag_descriptions::kChromeWideEchoCancellationName,
6988      flag_descriptions::kChromeWideEchoCancellationDescription,
6989      kOsMac | kOsWin | kOsLinux,
6990      FEATURE_VALUE_TYPE(media::kChromeWideEchoCancellation)},
6991 #endif  // BUILDFLAG(CHROME_WIDE_ECHO_CANCELLATION)
6992
6993 #if BUILDFLAG(DCHECK_IS_CONFIGURABLE)
6994     {"dcheck-is-fatal", flag_descriptions::kDcheckIsFatalName,
6995      flag_descriptions::kDcheckIsFatalDescription, kOsWin,
6996      FEATURE_VALUE_TYPE(base::kDCheckIsFatalFeature)},
6997 #endif  // BUILDFLAG(DCHECK_IS_CONFIGURABLE)
6998
6999     {"enable-pixel-canvas-recording",
7000      flag_descriptions::kEnablePixelCanvasRecordingName,
7001      flag_descriptions::kEnablePixelCanvasRecordingDescription, kOsDesktop,
7002      FEATURE_VALUE_TYPE(features::kEnablePixelCanvasRecording)},
7003
7004     {"enable-parallel-downloading", flag_descriptions::kParallelDownloadingName,
7005      flag_descriptions::kParallelDownloadingDescription, kOsAll,
7006      FEATURE_VALUE_TYPE(download::features::kParallelDownloading)},
7007
7008 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
7009     {"enable-async-dns", flag_descriptions::kAsyncDnsName,
7010      flag_descriptions::kAsyncDnsDescription, kOsWin | kOsLinux,
7011      FEATURE_VALUE_TYPE(features::kAsyncDns)},
7012 #endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
7013
7014     {"enable-new-download-backend",
7015      flag_descriptions::kEnableNewDownloadBackendName,
7016      flag_descriptions::kEnableNewDownloadBackendDescription, kOsAll,
7017      FEATURE_VALUE_TYPE(
7018          download::features::kUseDownloadOfflineContentProvider)},
7019
7020     {"downloads-migrate-to-jobs-api",
7021      flag_descriptions::kDownloadsMigrateToJobsAPIName,
7022      flag_descriptions::kDownloadsMigrateToJobsAPIDescription, kOsAndroid,
7023      FEATURE_VALUE_TYPE(download::features::kDownloadsMigrateToJobsAPI)},
7024
7025     {"download-notification-service-unified-api",
7026      flag_descriptions::kDownloadNotificationServiceUnifiedAPIName,
7027      flag_descriptions::kDownloadNotificationServiceUnifiedAPIDescription,
7028      kOsAndroid,
7029      FEATURE_VALUE_TYPE(
7030          download::features::kDownloadNotificationServiceUnifiedAPI)},
7031
7032     {"download-range", flag_descriptions::kDownloadRangeName,
7033      flag_descriptions::kDownloadRangeDescription, kOsAll,
7034      FEATURE_VALUE_TYPE(download::features::kDownloadRange)},
7035
7036     {"tab-hover-card-image-settings",
7037      flag_descriptions::kTabHoverCardImageSettingsName,
7038      flag_descriptions::kTabHoverCardImageSettingsDescription, kOsDesktop,
7039      FEATURE_VALUE_TYPE(features::kTabHoverCardImageSettings)},
7040
7041     {"tab-hover-card-images", flag_descriptions::kTabHoverCardImagesName,
7042      flag_descriptions::kTabHoverCardImagesDescription, kOsDesktop,
7043      FEATURE_VALUE_TYPE(features::kTabHoverCardImages)},
7044
7045     {"enable-network-logging-to-file",
7046      flag_descriptions::kEnableNetworkLoggingToFileName,
7047      flag_descriptions::kEnableNetworkLoggingToFileDescription, kOsAll,
7048      SINGLE_VALUE_TYPE(network::switches::kLogNetLog)},
7049
7050 #if !BUILDFLAG(IS_ANDROID)
7051     {"sync-webauthn-credentials",
7052      flag_descriptions::kSyncWebauthnCredentialsName,
7053      flag_descriptions::kSyncWebauthnCredentialsDescription, kOsDesktop,
7054      FEATURE_VALUE_TYPE(syncer::kSyncWebauthnCredentials)},
7055
7056     {"web-authentication-new-passkey-ui",
7057      flag_descriptions::kWebAuthenticationNewPasskeyUIName,
7058      flag_descriptions::kWebAuthenticationNewPasskeyUIDescription, kOsDesktop,
7059      FEATURE_VALUE_TYPE(device::kWebAuthnNewPasskeyUI)},
7060
7061     {"web-authentication-permit-enterprise-attestation",
7062      flag_descriptions::kWebAuthenticationPermitEnterpriseAttestationName,
7063      flag_descriptions::
7064          kWebAuthenticationPermitEnterpriseAttestationDescription,
7065      kOsAll,
7066      ORIGIN_LIST_VALUE_TYPE(
7067          webauthn::switches::kPermitEnterpriseAttestationOriginList,
7068          "")},
7069 #endif
7070
7071     {"legacy-tech-report-enable-cookie-issue-reports",
7072      flag_descriptions::kLegacyTechReportEnableCookieIssueReportsName,
7073      flag_descriptions::kLegacyTechReportEnableCookieIssueReportsDescription,
7074      kOsAll,
7075      FEATURE_VALUE_TYPE(features::kLegacyTechReportEnableCookieIssueReports)},
7076
7077     {"legacy-tech-report-top-level-url",
7078      flag_descriptions::kLegacyTechReportTopLevelUrlName,
7079      flag_descriptions::kLegacyTechReportTopLevelUrlDescription, kOsAll,
7080      FEATURE_VALUE_TYPE(features::kLegacyTechReportTopLevelUrl)},
7081
7082 #if BUILDFLAG(IS_CHROMEOS_ASH)
7083     {"enable-web-authentication-chromeos-authenticator",
7084      flag_descriptions::kEnableWebAuthenticationChromeOSAuthenticatorName,
7085      flag_descriptions::
7086          kEnableWebAuthenticationChromeOSAuthenticatorDescription,
7087      kOsCrOS, FEATURE_VALUE_TYPE(device::kWebAuthCrosPlatformAuthenticator)},
7088 #endif
7089
7090     {
7091         "zero-copy-tab-capture",
7092         flag_descriptions::kEnableZeroCopyTabCaptureName,
7093         flag_descriptions::kEnableZeroCopyTabCaptureDescription,
7094         kOsMac | kOsWin | kOsCrOS,
7095         FEATURE_VALUE_TYPE(blink::features::kZeroCopyTabCapture),
7096     },
7097
7098 #if BUILDFLAG(ENABLE_PDF)
7099     {"accessible-pdf-form", flag_descriptions::kAccessiblePDFFormName,
7100      flag_descriptions::kAccessiblePDFFormDescription, kOsDesktop,
7101      FEATURE_VALUE_TYPE(chrome_pdf::features::kAccessiblePDFForm)},
7102
7103     {"pdf-oopif", flag_descriptions::kPdfOopifName,
7104      flag_descriptions::kPdfOopifDescription, kOsDesktop,
7105      FEATURE_VALUE_TYPE(chrome_pdf::features::kPdfOopif)},
7106
7107     {"pdf-portfolio", flag_descriptions::kPdfPortfolioName,
7108      flag_descriptions::kPdfPortfolioDescription, kOsDesktop,
7109      FEATURE_VALUE_TYPE(chrome_pdf::features::kPdfPortfolio)},
7110
7111     {"pdf-use-skia-renderer", flag_descriptions::kPdfUseSkiaRendererName,
7112      flag_descriptions::kPdfUseSkiaRendererDescription, kOsDesktop,
7113      FEATURE_VALUE_TYPE(chrome_pdf::features::kPdfUseSkiaRenderer)},
7114 #endif  // BUILDFLAG(ENABLE_PDF)
7115
7116 #if BUILDFLAG(ENABLE_PRINTING)
7117 #if BUILDFLAG(IS_CHROMEOS)
7118     {"enable-borderless-printing",
7119      flag_descriptions::kEnableBorderlessPrintingName,
7120      flag_descriptions::kEnableBorderlessPrintingDescription,
7121      kOsCrOS | kOsLacros,
7122      FEATURE_VALUE_TYPE(printing::features::kEnableBorderlessPrinting)},
7123 #endif  // BUILDFLAG(IS_CHROMEOS)
7124
7125 #if BUILDFLAG(IS_MAC)
7126     {"cups-ipp-printing-backend",
7127      flag_descriptions::kCupsIppPrintingBackendName,
7128      flag_descriptions::kCupsIppPrintingBackendDescription, kOsMac,
7129      FEATURE_VALUE_TYPE(printing::features::kCupsIppPrintingBackend)},
7130 #endif  // BUILDFLAG(IS_MAC)
7131
7132 #if BUILDFLAG(IS_WIN)
7133     {"print-with-postscript-type42-fonts",
7134      flag_descriptions::kPrintWithPostScriptType42FontsName,
7135      flag_descriptions::kPrintWithPostScriptType42FontsDescription, kOsWin,
7136      FEATURE_VALUE_TYPE(printing::features::kPrintWithPostScriptType42Fonts)},
7137
7138     {"print-with-reduced-rasterization",
7139      flag_descriptions::kPrintWithReducedRasterizationName,
7140      flag_descriptions::kPrintWithReducedRasterizationDescription, kOsWin,
7141      FEATURE_VALUE_TYPE(printing::features::kPrintWithReducedRasterization)},
7142
7143     {"read-printer-capabilities-with-xps",
7144      flag_descriptions::kReadPrinterCapabilitiesWithXpsName,
7145      flag_descriptions::kReadPrinterCapabilitiesWithXpsDescription, kOsWin,
7146      FEATURE_VALUE_TYPE(printing::features::kReadPrinterCapabilitiesWithXps)},
7147
7148     {"use-xps-for-printing", flag_descriptions::kUseXpsForPrintingName,
7149      flag_descriptions::kUseXpsForPrintingDescription, kOsWin,
7150      FEATURE_VALUE_TYPE(printing::features::kUseXpsForPrinting)},
7151
7152     {"use-xps-for-printing-from-pdf",
7153      flag_descriptions::kUseXpsForPrintingFromPdfName,
7154      flag_descriptions::kUseXpsForPrintingFromPdfDescription, kOsWin,
7155      FEATURE_VALUE_TYPE(printing::features::kUseXpsForPrintingFromPdf)},
7156 #endif  // BUILDFLAG(IS_WIN)
7157 #endif  // BUILDFLAG(ENABLE_PRINTING)
7158
7159 #if BUILDFLAG(IS_WIN)
7160     {"enable-windows-gaming-input-data-fetcher",
7161      flag_descriptions::kEnableWindowsGamingInputDataFetcherName,
7162      flag_descriptions::kEnableWindowsGamingInputDataFetcherDescription, kOsWin,
7163      FEATURE_VALUE_TYPE(features::kEnableWindowsGamingInputDataFetcher)},
7164
7165     {"windows11-mica-titlebar", flag_descriptions::kWindows11MicaTitlebarName,
7166      flag_descriptions::kWindows11MicaTitlebarDescription, kOsWin,
7167      FEATURE_VALUE_TYPE(kWindows11MicaTitlebar)},
7168 #endif
7169
7170 #if BUILDFLAG(IS_ANDROID)
7171     {"enable-new-tab-search-engine-url-android",
7172      flag_descriptions::kNewTabSearchEngineUrlAndroidName,
7173      flag_descriptions::kNewTabSearchEngineUrlAndroidDescription, kOsAndroid,
7174      FEATURE_WITH_PARAMS_VALUE_TYPE(
7175          chrome::android::kNewTabSearchEngineUrlAndroid,
7176          kNewTabSearchEngineUrlAndroidVariations,
7177          "NewTabSearchEngineUrl")},
7178
7179     {"enable-start-surface", flag_descriptions::kStartSurfaceAndroidName,
7180      flag_descriptions::kStartSurfaceAndroidDescription, kOsAndroid,
7181      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kStartSurfaceAndroid,
7182                                     kStartSurfaceAndroidVariations,
7183                                     "ChromeStart")},
7184
7185     {"enable-feed-position-on-ntp", flag_descriptions::kFeedPositionAndroidName,
7186      flag_descriptions::kFeedPositionAndroidDescription, kOsAndroid,
7187      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kFeedPositionAndroid,
7188                                     kFeedPositionAndroidVariations,
7189                                     "FeedPositionAndroid")},
7190
7191     {"enable-instant-start", flag_descriptions::kInstantStartName,
7192      flag_descriptions::kInstantStartDescription, kOsAndroid,
7193      FEATURE_VALUE_TYPE(chrome::android::kInstantStart)},
7194
7195     {"enable-start-surface-disabled-feed-improvement",
7196      flag_descriptions::kStartSurfaceDisabledFeedImprovementName,
7197      flag_descriptions::kStartSurfaceDisabledFeedImprovementDescription,
7198      kOsAndroid,
7199      FEATURE_VALUE_TYPE(chrome::android::kStartSurfaceDisabledFeedImprovement)},
7200
7201     {"enable-start-surface-refactor",
7202      flag_descriptions::kStartSurfaceRefactorName,
7203      flag_descriptions::kStartSurfaceRefactorDescription, kOsAndroid,
7204      FEATURE_VALUE_TYPE(chrome::android::kStartSurfaceRefactor)},
7205
7206     {"enable-start-surface-on-tablet",
7207      flag_descriptions::kStartSurfaceOnTabletName,
7208      flag_descriptions::kStartSurfaceOnTabletDescription, kOsAndroid,
7209      FEATURE_VALUE_TYPE(chrome::android::kStartSurfaceOnTablet)},
7210
7211     {"enable-start-surface-spare-tab",
7212      flag_descriptions::kStartSurfaceSpareTabName,
7213      flag_descriptions::kStartSurfaceSpareTabDescription, kOsAndroid,
7214      FEATURE_VALUE_TYPE(chrome::android::kStartSurfaceSpareTab)},
7215
7216     {"enable-start-surface-with-accessibility",
7217      flag_descriptions::kStartSurfaceWithAccessibilityName,
7218      flag_descriptions::kStartSurfaceWithAccessibilityDescription, kOsAndroid,
7219      FEATURE_VALUE_TYPE(chrome::android::kStartSurfaceWithAccessibility)},
7220
7221     {"enable-surface-polish", flag_descriptions::kSurfacePolishName,
7222      flag_descriptions::kSurfacePolishDescription, kOsAndroid,
7223      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kSurfacePolish,
7224                                     kSurfacePolishVariations,
7225                                     "SurfacePolish")},
7226
7227     {"enable-show-ntp-at-startup",
7228      flag_descriptions::kShowNtpAtStartupAndroidName,
7229      flag_descriptions::kShowNtpAtStartupAndroidDescription, kOsAndroid,
7230      FEATURE_VALUE_TYPE(chrome::android::kShowNtpAtStartupAndroid)},
7231
7232     {"enable-show-scrollable-mvt-on-ntp",
7233      flag_descriptions::kShowScrollableMVTOnNTPAndroidName,
7234      flag_descriptions::kShowScrollableMVTOnNTPAndroidDescription, kOsAndroid,
7235      FEATURE_VALUE_TYPE(chrome::android::kShowScrollableMVTOnNTPAndroid)},
7236
7237     {"enable-search-resumption-module",
7238      flag_descriptions::kSearchResumptionModuleAndroidName,
7239      flag_descriptions::kSearchResumptionModuleAndroidDescription, kOsAndroid,
7240      FEATURE_WITH_PARAMS_VALUE_TYPE(
7241          chrome::android::kSearchResumptionModuleAndroid,
7242          kSearchResumptionModuleAndroidVariations,
7243          "kSearchResumptionModuleAndroid")},
7244
7245     {"enable-close-tab-suggestions",
7246      flag_descriptions::kCloseTabSuggestionsName,
7247      flag_descriptions::kCloseTabSuggestionsDescription, kOsAndroid,
7248      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kCloseTabSuggestions,
7249                                     kCloseTabSuggestionsStaleVariations,
7250                                     "CloseSuggestionsTab")},
7251
7252     {"enable-critical-persisted-tab-data",
7253      flag_descriptions::kCriticalPersistedTabDataName,
7254      flag_descriptions::kCriticalPersistedTabDataDescription, kOsAndroid,
7255      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kCriticalPersistedTabData,
7256                                     kCriticalPersistedTabDataVariations,
7257                                     "CriticalPersistedTabData")},
7258     {"enable-tabstate-flatbuffer", flag_descriptions::kTabStateFlatBufferName,
7259      flag_descriptions::kTabStateFlatBufferDescription, kOsAndroid,
7260      FEATURE_VALUE_TYPE(chrome::android::kTabStateFlatBuffer)},
7261
7262     {"suppress-toolbar-captures",
7263      flag_descriptions::kSuppressToolbarCapturesName,
7264      flag_descriptions::kSuppressToolbarCapturesDescription, kOsAndroid,
7265      FEATURE_VALUE_TYPE(chrome::android::kSuppressToolbarCaptures)},
7266
7267     {"enable-commerce-merchant-viewer",
7268      flag_descriptions::kCommerceMerchantViewerAndroidName,
7269      flag_descriptions::kCommerceMerchantViewerAndroidDescription, kOsAndroid,
7270      FEATURE_VALUE_TYPE(commerce::kCommerceMerchantViewer)},
7271
7272     {"enable-commerce-price-tracking",
7273      commerce::flag_descriptions::kCommercePriceTrackingName,
7274      commerce::flag_descriptions::kCommercePriceTrackingDescription, kOsAndroid,
7275      FEATURE_WITH_PARAMS_VALUE_TYPE(
7276          commerce::kCommercePriceTracking,
7277          commerce::kCommercePriceTrackingAndroidVariations,
7278          "CommercePriceTracking")},
7279
7280     {"enable-start-surface-return-time",
7281      flag_descriptions::kStartSurfaceReturnTimeName,
7282      flag_descriptions::kStartSurfaceReturnTimeDescription, kOsAndroid,
7283      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kStartSurfaceReturnTime,
7284                                     kStartSurfaceReturnTimeVariations,
7285                                     "StartSurfaceReturnTime")},
7286     {"account-reauthentication-recent-time-window",
7287      flag_descriptions::kAccountReauthenticationRecentTimeWindowName,
7288      flag_descriptions::kAccountReauthenticationRecentTimeWindowDescription,
7289      kOsAndroid,
7290      FEATURE_WITH_PARAMS_VALUE_TYPE(
7291          chrome::android::kAccountReauthenticationRecentTimeWindow,
7292          kAccountReauthenticationRecentTimeWindowVariations,
7293          "AccountReauthenticationRecentTimeWindow")},
7294
7295     {"tab-drag-drop", flag_descriptions::kTabDragDropName,
7296      flag_descriptions::kTabDragDropDescription, kOsAndroid,
7297      FEATURE_VALUE_TYPE(chrome::android::kTabDragDropAndroid)},
7298
7299     {"tab-link-drag-drop", flag_descriptions::kTabAndLinkDragDropName,
7300      flag_descriptions::kTabAndLinkDragDropDescription, kOsAndroid,
7301      FEATURE_VALUE_TYPE(chrome::android::kTabAndLinkDragDropAndroid)},
7302
7303     {"enable-tab-engagement-reporting",
7304      flag_descriptions::kTabEngagementReportingName,
7305      flag_descriptions::kTabEngagementReportingDescription, kOsAndroid,
7306      FEATURE_VALUE_TYPE(chrome::android::kTabEngagementReportingAndroid)},
7307
7308     {"enable-tab-strip-redesign",
7309      flag_descriptions::kTabStripRedesignAndroidName,
7310      flag_descriptions::kTabStripRedesignAndroidDescription, kOsAndroid,
7311      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kTabStripRedesign,
7312                                     kTabStripRedesignVariations,
7313                                     "TabStripRedesignAndroid")},
7314
7315     {"enable-tablet-toolbar-reordering",
7316      flag_descriptions::kTabletToolbarReorderingAndroidName,
7317      flag_descriptions::kTabletToolbarReorderingAndroidDescription, kOsAndroid,
7318      FEATURE_VALUE_TYPE(chrome::android::kTabletToolbarReordering)},
7319
7320     {"enable-empty-states", flag_descriptions::kEmptyStatesAndroidName,
7321      flag_descriptions::kEmptyStatesAndroidDescription, kOsAndroid,
7322      FEATURE_VALUE_TYPE(chrome::android::kEmptyStates)},
7323
7324     {"enable-tab-strip-startup-refactoring",
7325      flag_descriptions::kTabStripStartupRefactoringName,
7326      flag_descriptions::kTabStripStartupRefactoringDescription, kOsAndroid,
7327      FEATURE_VALUE_TYPE(chrome::android::kTabStripStartupRefactoring)},
7328
7329     {"enable-baseline-gm3-surface-colors",
7330      flag_descriptions::kBaselineGM3SurfaceColorsName,
7331      flag_descriptions::kBaselineGM3SurfaceColorsDescription, kOsAndroid,
7332      FEATURE_VALUE_TYPE(chrome::android::kBaselineGM3SurfaceColors)},
7333
7334     {"enable-delay-temp-strip-removal",
7335      flag_descriptions::kDelayTempStripRemovalName,
7336      flag_descriptions::kDelayTempStripRemovalDescription, kOsAndroid,
7337      FEATURE_VALUE_TYPE(chrome::android::kDelayTempStripRemoval)},
7338 #endif  // BUILDFLAG(IS_ANDROID)
7339
7340     {"unsafely-treat-insecure-origin-as-secure",
7341      flag_descriptions::kTreatInsecureOriginAsSecureName,
7342      flag_descriptions::kTreatInsecureOriginAsSecureDescription, kOsAll,
7343      ORIGIN_LIST_VALUE_TYPE(
7344          network::switches::kUnsafelyTreatInsecureOriginAsSecure,
7345          "")},
7346
7347     {"disable-process-reuse", flag_descriptions::kDisableProcessReuse,
7348      flag_descriptions::kDisableProcessReuseDescription, kOsDesktop,
7349      FEATURE_VALUE_TYPE(features::kDisableProcessReuse)},
7350
7351 #if !BUILDFLAG(IS_ANDROID)
7352     {"enable-accessibility-live-caption",
7353      flag_descriptions::kEnableAccessibilityLiveCaptionName,
7354      flag_descriptions::kEnableAccessibilityLiveCaptionDescription, kOsDesktop,
7355      FEATURE_VALUE_TYPE(media::kLiveCaption)},
7356
7357     {"read-anything", flag_descriptions::kReadAnythingName,
7358      flag_descriptions::kReadAnythingDescription, kOsDesktop,
7359      FEATURE_VALUE_TYPE(features::kReadAnything)},
7360
7361     {"read-anything-read-aloud", flag_descriptions::kReadAnythingReadAloudName,
7362      flag_descriptions::kReadAnythingReadAloudDescription, kOsDesktop,
7363      FEATURE_VALUE_TYPE(features::kReadAnythingReadAloud)},
7364
7365     {"read-anything-with-screen2x",
7366      flag_descriptions::kReadAnythingWithScreen2xName,
7367      flag_descriptions::kReadAnythingWithScreen2xDescription, kOsDesktop,
7368      FEATURE_VALUE_TYPE(features::kReadAnythingWithScreen2x)},
7369
7370     {"read-anything-webui-toolbar",
7371      flag_descriptions::kReadAnythingWebUIToolbarName,
7372      flag_descriptions::kReadAnythingWebUIToolbarDescription, kOsDesktop,
7373      FEATURE_VALUE_TYPE(features::kReadAnythingWebUIToolbar)},
7374
7375     {"support-tool", flag_descriptions::kSupportTool,
7376      flag_descriptions::kSupportToolDescription, kOsDesktop,
7377      FEATURE_VALUE_TYPE(features::kSupportTool)},
7378
7379     {"support-tool-screenshot", flag_descriptions::kSupportToolScreenshot,
7380      flag_descriptions::kSupportToolScreenshotDescription, kOsDesktop,
7381      FEATURE_VALUE_TYPE(features::kSupportToolScreenshot)},
7382 #endif  // !BUILDFLAG(IS_ANDROID)
7383
7384     {"enable-auto-disable-accessibility",
7385      flag_descriptions::kEnableAutoDisableAccessibilityName,
7386      flag_descriptions::kEnableAutoDisableAccessibilityDescription, kOsAll,
7387      FEATURE_VALUE_TYPE(features::kAutoDisableAccessibility)},
7388
7389 #if BUILDFLAG(IS_ANDROID)
7390     {"enable-auto-disable-accessibility-v2",
7391      flag_descriptions::kEnableAutoDisableAccessibilityV2Name,
7392      flag_descriptions::kEnableAutoDisableAccessibilityV2Description,
7393      kOsAndroid, FEATURE_VALUE_TYPE(features::kAutoDisableAccessibilityV2)},
7394 #endif
7395
7396 #if BUILDFLAG(IS_ANDROID)
7397     {"cct-incognito-available-to-third-party",
7398      flag_descriptions::kCCTIncognitoAvailableToThirdPartyName,
7399      flag_descriptions::kCCTIncognitoAvailableToThirdPartyDescription,
7400      kOsAndroid,
7401      FEATURE_VALUE_TYPE(chrome::android::kCCTIncognitoAvailableToThirdParty)},
7402 #endif
7403
7404 #if BUILDFLAG(IS_ANDROID)
7405     {"cct-minimized", flag_descriptions::kCCTMinimizedName,
7406      flag_descriptions::kCCTMinimizedDescription, kOsAndroid,
7407      FEATURE_VALUE_TYPE(chrome::android::kCCTMinimized)},
7408 #endif
7409
7410 #if BUILDFLAG(IS_ANDROID)
7411     {"cct-page-insights-hub", flag_descriptions::kCCTPageInsightsHubName,
7412      flag_descriptions::kCCTPageInsightsHubDescription, kOsAndroid,
7413      FEATURE_WITH_PARAMS_VALUE_TYPE(
7414          chrome::android::kCCTPageInsightsHub,
7415          kCCTPageInsightsHubAutotriggerDurationVariations,
7416          "CCTPageInsightsHubAutotriggerDuration")},
7417     {"cct-prevent-touches", flag_descriptions::kCCTPreventTouchesName,
7418      flag_descriptions::kCCTPreventTouchesDescription, kOsAndroid,
7419      FEATURE_VALUE_TYPE(chrome::android::kCCTPreventTouches)},
7420     {"cct-resizable-90-maximum-height",
7421      flag_descriptions::kCCTResizable90MaximumHeightName,
7422      flag_descriptions::kCCTResizable90MaximumHeightDescription, kOsAndroid,
7423      FEATURE_VALUE_TYPE(chrome::android::kCCTResizable90MaximumHeight)},
7424     {"cct-resizable-for-third-parties",
7425      flag_descriptions::kCCTResizableForThirdPartiesName,
7426      flag_descriptions::kCCTResizableForThirdPartiesDescription, kOsAndroid,
7427      FEATURE_WITH_PARAMS_VALUE_TYPE(
7428          chrome::android::kCCTResizableForThirdParties,
7429          kCCTResizableThirdPartiesDefaultPolicyVariations,
7430          "CCTResizableThirdPartiesDefaultPolicy")},
7431     {"cct-resizable-side-sheet", flag_descriptions::kCCTResizableSideSheetName,
7432      flag_descriptions::kCCTResizableSideSheetDescription, kOsAndroid,
7433      FEATURE_VALUE_TYPE(chrome::android::kCCTResizableSideSheet)},
7434     {"cct-resizable-side-sheet-for-third-parties",
7435      flag_descriptions::kCCTResizableSideSheetForThirdPartiesName,
7436      flag_descriptions::kCCTResizableSideSheetForThirdPartiesDescription,
7437      kOsAndroid,
7438      FEATURE_VALUE_TYPE(
7439          chrome::android::kCCTResizableSideSheetForThirdParties)},
7440 #endif
7441
7442 #if BUILDFLAG(IS_ANDROID)
7443     {"cct-real-time-engagement-signals",
7444      flag_descriptions::kCCTRealTimeEngagementSignalsName,
7445      flag_descriptions::kCCTRealTimeEngagementSignalsDescription, kOsAndroid,
7446      FEATURE_WITH_PARAMS_VALUE_TYPE(
7447          chrome::android::kCCTRealTimeEngagementSignals,
7448          kCCTRealTimeEngagementSignalsVariations,
7449          "CCTRealTimeEngagementSignals")},
7450     {"cct-real-time-engagement-signals-alternative-impl",
7451      flag_descriptions::kCCTRealTimeEngagementSignalsAlternativeImplName,
7452      flag_descriptions::kCCTRealTimeEngagementSignalsAlternativeImplDescription,
7453      kOsAndroid,
7454      FEATURE_WITH_PARAMS_VALUE_TYPE(
7455          chrome::android::kCCTRealTimeEngagementSignalsAlternativeImpl,
7456          kCCTRealTimeEngagementSignalsAlternativeImplVariations,
7457          "CCTRealTimeEngagementSignalsAlternativeImpl")},
7458 #endif
7459
7460 #if BUILDFLAG(IS_ANDROID)
7461     {"cct-brand-transparency", flag_descriptions::kCCTBrandTransparencyName,
7462      flag_descriptions::kCCTBrandTransparencyDescription, kOsAndroid,
7463      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kCCTBrandTransparency,
7464                                     kCctBrandTransparencyVariations,
7465                                     "CCTBrandTransparency")},
7466 #endif
7467
7468 #if BUILDFLAG(IS_CHROMEOS)
7469     {"allow-dsp-based-aec", flag_descriptions::kCrOSDspBasedAecAllowedName,
7470      flag_descriptions::kCrOSDspBasedAecAllowedDescription, kOsCrOS | kOsLacros,
7471      FEATURE_VALUE_TYPE(media::kCrOSDspBasedAecAllowed)},
7472     {"allow-dsp-based-ns", flag_descriptions::kCrOSDspBasedNsAllowedName,
7473      flag_descriptions::kCrOSDspBasedNsAllowedDescription, kOsCrOS | kOsLacros,
7474      FEATURE_VALUE_TYPE(media::kCrOSDspBasedNsAllowed)},
7475     {"allow-dsp-based-agc", flag_descriptions::kCrOSDspBasedAgcAllowedName,
7476      flag_descriptions::kCrOSDspBasedAgcAllowedDescription, kOsCrOS | kOsLacros,
7477      FEATURE_VALUE_TYPE(media::kCrOSDspBasedAgcAllowed)},
7478     {"enforce-system-aec", flag_descriptions::kCrOSEnforceSystemAecName,
7479      flag_descriptions::kCrOSEnforceSystemAecDescription, kOsCrOS | kOsLacros,
7480      FEATURE_VALUE_TYPE(media::kCrOSEnforceSystemAec)},
7481     {"enforce-system-aec-agc", flag_descriptions::kCrOSEnforceSystemAecAgcName,
7482      flag_descriptions::kCrOSEnforceSystemAecAgcDescription,
7483      kOsCrOS | kOsLacros, FEATURE_VALUE_TYPE(media::kCrOSEnforceSystemAecAgc)},
7484     {"enforce-system-aec-ns-agc",
7485      flag_descriptions::kCrOSEnforceSystemAecNsAgcName,
7486      flag_descriptions::kCrOSEnforceSystemAecNsAgcDescription,
7487      kOsCrOS | kOsLacros,
7488      FEATURE_VALUE_TYPE(media::kCrOSEnforceSystemAecNsAgc)},
7489     {"enforce-system-aec-ns", flag_descriptions::kCrOSEnforceSystemAecNsName,
7490      flag_descriptions::kCrOSEnforceSystemAecNsDescription, kOsCrOS | kOsLacros,
7491      FEATURE_VALUE_TYPE(media::kCrOSEnforceSystemAecNs)},
7492     {"system-voice-isolation-option",
7493      flag_descriptions::kCrOSSystemVoiceIsolationOptionName,
7494      flag_descriptions::kCrOSSystemVoiceIsolationOptionDescription,
7495      kOsCrOS | kOsLacros,
7496      FEATURE_VALUE_TYPE(media::kCrOSSystemVoiceIsolationOption)},
7497     {"ignore-ui-gains", flag_descriptions::kIgnoreUiGainsName,
7498      flag_descriptions::kIgnoreUiGainsDescription, kOsCrOS | kOsLacros,
7499      FEATURE_VALUE_TYPE(media::kIgnoreUiGains)},
7500     {"show-force-respect-ui-gains-toggle",
7501      flag_descriptions::kShowForceRespectUiGainsToggleName,
7502      flag_descriptions::kShowForceRespectUiGainsToggleDescription,
7503      kOsCrOS | kOsLacros,
7504      FEATURE_VALUE_TYPE(media::kShowForceRespectUiGainsToggle)},
7505     {"audio-flexible-loopback-for-system-loopback",
7506      flag_descriptions::kAudioFlexibleLoopbackForSystemLoopbackName,
7507      flag_descriptions::kAudioFlexibleLoopbackForSystemLoopbackDescription,
7508      kOsCrOS | kOsLacros,
7509      FEATURE_VALUE_TYPE(media::kAudioFlexibleLoopbackForSystemLoopback)},
7510 #endif
7511
7512     {"enable-css-selector-fragment-anchor",
7513      flag_descriptions::kEnableCssSelectorFragmentAnchorName,
7514      flag_descriptions::kEnableCssSelectorFragmentAnchorDescription, kOsAll,
7515      FEATURE_VALUE_TYPE(blink::features::kCssSelectorFragmentAnchor)},
7516
7517     {"drop-input-events-before-first-paint",
7518      flag_descriptions::kDropInputEventsBeforeFirstPaintName,
7519      flag_descriptions::kDropInputEventsBeforeFirstPaintDescription, kOsAll,
7520      FEATURE_VALUE_TYPE(blink::features::kDropInputEventsBeforeFirstPaint)},
7521
7522     // Should only be available if kResamplingScrollEvents is on, and using
7523     // linear resampling.
7524     {"enable-resampling-scroll-events-experimental-prediction",
7525      flag_descriptions::kEnableResamplingScrollEventsExperimentalPredictionName,
7526      flag_descriptions::
7527          kEnableResamplingScrollEventsExperimentalPredictionDescription,
7528      kOsAll,
7529      FEATURE_WITH_PARAMS_VALUE_TYPE(
7530          ::features::kResamplingScrollEventsExperimentalPrediction,
7531          kResamplingScrollEventsExperimentalPredictionVariations,
7532          "ResamplingScrollEventsExperimentalLatency")},
7533
7534 #if BUILDFLAG(IS_WIN)
7535     {"calculate-native-win-occlusion",
7536      flag_descriptions::kCalculateNativeWinOcclusionName,
7537      flag_descriptions::kCalculateNativeWinOcclusionDescription, kOsWin,
7538      FEATURE_VALUE_TYPE(features::kCalculateNativeWinOcclusion)},
7539 #endif  // BUILDFLAG(IS_WIN)
7540
7541 #if !BUILDFLAG(IS_ANDROID)
7542     {"happiness-tracking-surveys-for-desktop-demo",
7543      flag_descriptions::kHappinessTrackingSurveysForDesktopDemoName,
7544      flag_descriptions::kHappinessTrackingSurveysForDesktopDemoDescription,
7545      kOsDesktop,
7546      FEATURE_VALUE_TYPE(features::kHappinessTrackingSurveysForDesktopDemo)},
7547 #endif  // !BUILDFLAG(IS_ANDROID)
7548
7549 #if !BUILDFLAG(IS_ANDROID)
7550     {"hats-webui", flag_descriptions::kHatsWebUIName,
7551      flag_descriptions::kHatsWebUIDescription, kOsDesktop,
7552      FEATURE_VALUE_TYPE(features::kHaTSWebUI)},
7553 #endif  // !BUILDFLAG(IS_ANDROID)
7554
7555 #if BUILDFLAG(IS_ANDROID)
7556     {"android-hats-refactor", flag_descriptions::kAndroidHatsRefactorName,
7557      flag_descriptions::kAndroidHatsRefactorDescription, kOsAndroid,
7558      FEATURE_VALUE_TYPE(chrome::android::kAndroidHatsRefactor)},
7559 #endif  // BUILDFLAG(IS_ANDROID)
7560
7561 #if BUILDFLAG(IS_WIN)
7562     {"use-angle", flag_descriptions::kUseAngleName,
7563      flag_descriptions::kUseAngleDescriptionWindows, kOsWin,
7564      MULTI_VALUE_TYPE(kUseAngleChoicesWindows)},
7565 #elif BUILDFLAG(IS_MAC)
7566     {"use-angle", flag_descriptions::kUseAngleName,
7567      flag_descriptions::kUseAngleDescriptionMac, kOsMac,
7568      MULTI_VALUE_TYPE(kUseAngleChoicesMac)},
7569 #endif
7570
7571 #if BUILDFLAG(IS_CHROMEOS_ASH)
7572     {"enable-assistant-dsp", flag_descriptions::kEnableGoogleAssistantDspName,
7573      flag_descriptions::kEnableGoogleAssistantDspDescription, kOsCrOS,
7574      FEATURE_VALUE_TYPE(ash::assistant::features::kEnableDspHotword)},
7575 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
7576
7577 #if BUILDFLAG(IS_CHROMEOS)
7578     {"disable-quick-answers-v2-translation",
7579      flag_descriptions::kDisableQuickAnswersV2TranslationName,
7580      flag_descriptions::kDisableQuickAnswersV2TranslationDescription,
7581      kOsCrOS | kOsLacros,
7582      FEATURE_VALUE_TYPE(chromeos::features::kDisableQuickAnswersV2Translation)},
7583     {"quick-answers-rich-card", flag_descriptions::kQuickAnswersRichCardName,
7584      flag_descriptions::kQuickAnswersRichCardDescription, kOsCrOS | kOsLacros,
7585      FEATURE_VALUE_TYPE(chromeos::features::kQuickAnswersRichCard)},
7586 #endif  // BUILDFLAG(IS_CHROMEOS)
7587
7588 #if BUILDFLAG(IS_ANDROID)
7589     {"instance-switcher", flag_descriptions::kInstanceSwitcherName,
7590      flag_descriptions::kInstanceSwitcherDescription, kOsAndroid,
7591      FEATURE_VALUE_TYPE(chrome::android::kInstanceSwitcher)},
7592 #endif  // BUILDFLAG(IS_ANDROID)
7593
7594     {"enable-gamepad-button-axis-events",
7595      flag_descriptions::kEnableGamepadButtonAxisEventsName,
7596      flag_descriptions::kEnableGamepadButtonAxisEventsDescription, kOsAll,
7597      FEATURE_VALUE_TYPE(features::kEnableGamepadButtonAxisEvents)},
7598
7599     {"enable-gamepad-multitouch",
7600      flag_descriptions::kEnableGamepadMultitouchName,
7601      flag_descriptions::kEnableGamepadMultitouchDescription, kOsWin,
7602      FEATURE_VALUE_TYPE(features::kEnableGamepadMultitouch)},
7603
7604     {"restrict-gamepad-access", flag_descriptions::kRestrictGamepadAccessName,
7605      flag_descriptions::kRestrictGamepadAccessDescription, kOsAll,
7606      FEATURE_VALUE_TYPE(features::kRestrictGamepadAccess)},
7607
7608     {"enable-gamepad-trigger-rumble",
7609      flag_descriptions::kEnableGamepadTriggerRumbleName,
7610      flag_descriptions::kEnableGamepadTriggerRumbleDescription, kOsAll,
7611      FEATURE_VALUE_TYPE(blink::features::kWGIGamepadTriggerRumble)},
7612
7613 #if !BUILDFLAG(IS_ANDROID)
7614     {"sharing-desktop-screenshots",
7615      flag_descriptions::kSharingDesktopScreenshotsName,
7616      flag_descriptions::kSharingDesktopScreenshotsDescription, kOsDesktop,
7617      FEATURE_VALUE_TYPE(sharing_hub::kDesktopScreenshots)},
7618 #endif
7619
7620 #if BUILDFLAG(IS_CHROMEOS_ASH)
7621     {"cros-labs-overview-desk-navigation",
7622      flag_descriptions::kOverviewDeskNavigationName,
7623      flag_descriptions::kOverviewDeskNavigationDescription, kOsCrOS,
7624      FEATURE_VALUE_TYPE(ash::features::kOverviewDeskNavigation)},
7625 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
7626
7627 #if BUILDFLAG(IS_CHROMEOS_ASH)
7628     {"enable-assistant-stereo-input",
7629      flag_descriptions::kEnableGoogleAssistantStereoInputName,
7630      flag_descriptions::kEnableGoogleAssistantStereoInputDescription, kOsCrOS,
7631      FEATURE_VALUE_TYPE(ash::assistant::features::kEnableStereoAudioInput)},
7632 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
7633
7634     {"enable-gpu-service-logging",
7635      flag_descriptions::kEnableGpuServiceLoggingName,
7636      flag_descriptions::kEnableGpuServiceLoggingDescription, kOsAll,
7637      SINGLE_VALUE_TYPE(switches::kEnableGPUServiceLogging)},
7638
7639 #if !BUILDFLAG(IS_ANDROID)
7640     {"hardware-media-key-handling",
7641      flag_descriptions::kHardwareMediaKeyHandling,
7642      flag_descriptions::kHardwareMediaKeyHandlingDescription, kOsDesktop,
7643      FEATURE_VALUE_TYPE(media::kHardwareMediaKeyHandling)},
7644 #endif
7645
7646 #if BUILDFLAG(IS_CHROMEOS_ASH)
7647     {"app-management-app-details",
7648      flag_descriptions::kAppManagementAppDetailsName,
7649      flag_descriptions::kAppManagementAppDetailsDescription, kOsCrOS,
7650      FEATURE_VALUE_TYPE(features::kAppManagementAppDetails)},
7651
7652     {"arc-window-predictor", flag_descriptions::kArcWindowPredictorName,
7653      flag_descriptions::kArcWindowPredictorDescription, kOsCrOS,
7654      FEATURE_VALUE_TYPE(full_restore::features::kArcWindowPredictor)},
7655
7656     {"use-fake-device-for-media-stream",
7657      flag_descriptions::kUseFakeDeviceForMediaStreamName,
7658      flag_descriptions::kUseFakeDeviceForMediaStreamDescription, kOsCrOS,
7659      FEATURE_VALUE_TYPE(media::kUseFakeDeviceForMediaStream)},
7660 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
7661
7662 #if BUILDFLAG(IS_CHROMEOS_ASH)
7663     {"arc-input-overlay-beta", flag_descriptions::kArcInputOverlayNameBeta,
7664      flag_descriptions::kArcInputOverlayDescriptionBeta, kOsCrOS,
7665      FEATURE_VALUE_TYPE(ash::features::kArcInputOverlayBeta)},
7666
7667     {"arc-input-overlay-alpha-v2",
7668      flag_descriptions::kArcInputOverlayNameAlphaV2,
7669      flag_descriptions::kArcInputOverlayDescriptionAlphaV2, kOsCrOS,
7670      FEATURE_VALUE_TYPE(ash::features::kArcInputOverlayAlphaV2)},
7671 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
7672
7673 #if BUILDFLAG(IS_CHROMEOS) && BUILDFLAG(USE_CHROMEOS_MEDIA_ACCELERATION)
7674 #if !BUILDFLAG(USE_VAAPI)
7675     {"chromeos-direct-video-decoder",
7676      flag_descriptions::kChromeOSDirectVideoDecoderName,
7677      flag_descriptions::kChromeOSDirectVideoDecoderDescription,
7678      kOsCrOS | kOsLacros,
7679      FEATURE_VALUE_TYPE(media::kUseChromeOSDirectVideoDecoder)},
7680 #endif  // !BUILDFLAG(USE_VAAPI)
7681
7682     {"enable-vbr-encode-acceleration",
7683      flag_descriptions::kChromeOSHWVBREncodingName,
7684      flag_descriptions::kChromeOSHWVBREncodingDescription, kOsCrOS | kOsLacros,
7685      FEATURE_VALUE_TYPE(media::kChromeOSHWVBREncoding)},
7686 #if defined(ARCH_CPU_ARM_FAMILY)
7687     {"prefer-gl-image-processor",
7688      flag_descriptions::kPreferGLImageProcessorName,
7689      flag_descriptions::kPreferGLImageProcessorDescription, kOsCrOS | kOsLacros,
7690      FEATURE_VALUE_TYPE(media::kPreferGLImageProcessor)},
7691     {"prefer-software-mt21", flag_descriptions::kPreferSoftwareMT21Name,
7692      flag_descriptions::kPreferSoftwareMT21Description, kOsCrOS | kOsLacros,
7693      FEATURE_VALUE_TYPE(media::kPreferSoftwareMT21)},
7694 #endif  // defined(ARCH_CPU_ARM_FAMILY)
7695 #endif  // BUILDFLAG(IS_CHROMEOS) && BUILDFLAG(USE_CHROMEOS_MEDIA_ACCELERATION)
7696
7697 #if BUILDFLAG(IS_ANDROID)
7698     {"force-startup-signin-promo",
7699      flag_descriptions::kForceStartupSigninPromoName,
7700      flag_descriptions::kForceStartupSigninPromoDescription, kOsAndroid,
7701      FEATURE_VALUE_TYPE(switches::kForceStartupSigninPromo)},
7702
7703     {"tangible-sync", flag_descriptions::kTangibleSyncName,
7704      flag_descriptions::kTangibleSyncDescription, kOsAndroid,
7705      FEATURE_WITH_PARAMS_VALUE_TYPE(switches::kTangibleSync,
7706                                     kTangibleSyncVariations,
7707                                     "TangibleSyncVariations")},
7708 #endif  // BUILDFLAG(IS_ANDROID)
7709
7710     {"gainmap-hdr-images", flag_descriptions::kGainmapHdrImagesName,
7711      flag_descriptions::kGainmapHdrImagesDescription, kOsAll,
7712      FEATURE_VALUE_TYPE(blink::features::kGainmapHdrImages)},
7713
7714     {"avif-gainmap-hdr-images", flag_descriptions::kAvifGainmapHdrImagesName,
7715      flag_descriptions::kAvifGainmapHdrImagesDescription, kOsAll,
7716      FEATURE_VALUE_TYPE(blink::features::kAvifGainmapHdrImages)},
7717
7718     {"autofill-use-improved-label-disambiguation",
7719      flag_descriptions::kAutofillUseImprovedLabelDisambiguationName,
7720      flag_descriptions::kAutofillUseImprovedLabelDisambiguationDescription,
7721      kOsAll,
7722      FEATURE_VALUE_TYPE(
7723          autofill::features::kAutofillUseImprovedLabelDisambiguation)},
7724
7725     {"file-handling-icons", flag_descriptions::kFileHandlingIconsName,
7726      flag_descriptions::kFileHandlingIconsDescription, kOsDesktop,
7727      FEATURE_VALUE_TYPE(blink::features::kFileHandlingIcons)},
7728
7729     {"file-system-access-locking-scheme",
7730      flag_descriptions::kFileSystemAccessLockingSchemeName,
7731      flag_descriptions::kFileSystemAccessLockingSchemeDescription, kOsAll,
7732      FEATURE_VALUE_TYPE(blink::features::kFileSystemAccessLockingScheme)},
7733
7734     {"file-system-access-persistent-permission",
7735      flag_descriptions::kFileSystemAccessPersistentPermissionName,
7736      flag_descriptions::kFileSystemAccessPersistentPermissionDescription,
7737      kOsDesktop,
7738      FEATURE_VALUE_TYPE(features::kFileSystemAccessPersistentPermissions)},
7739
7740     {"file-system-observer", flag_descriptions::kFileSystemObserverName,
7741      flag_descriptions::kFileSystemObserverDescription, kOsAll,
7742      FEATURE_VALUE_TYPE(blink::features::kFileSystemObserver)},
7743
7744     {"strict-origin-isolation", flag_descriptions::kStrictOriginIsolationName,
7745      flag_descriptions::kStrictOriginIsolationDescription, kOsAll,
7746      FEATURE_VALUE_TYPE(features::kStrictOriginIsolation)},
7747
7748 #if BUILDFLAG(IS_ANDROID)
7749     {"enable-logging-js-console-messages",
7750      flag_descriptions::kLogJsConsoleMessagesName,
7751      flag_descriptions::kLogJsConsoleMessagesDescription, kOsAndroid,
7752      FEATURE_VALUE_TYPE(features::kLogJsConsoleMessages)},
7753 #endif  // BUILDFLAG(IS_ANDROID)
7754
7755 #if BUILDFLAG(IS_CHROMEOS_ASH)
7756     {"allow-cross-device-feature-suite",
7757      flag_descriptions::kAllowCrossDeviceFeatureSuiteName,
7758      flag_descriptions::kAllowCrossDeviceFeatureSuiteDescription, kOsCrOS,
7759      FEATURE_VALUE_TYPE(ash::features::kAllowCrossDeviceFeatureSuite)},
7760
7761     {"link-cross-device-internals",
7762      flag_descriptions::kLinkCrossDeviceInternalsName,
7763      flag_descriptions::kLinkCrossDeviceInternalsDescription, kOsCrOS,
7764      FEATURE_VALUE_TYPE(ash::features::kLinkCrossDeviceInternals)},
7765
7766     {"allow-repeated-updates", flag_descriptions::kAllowRepeatedUpdatesName,
7767      flag_descriptions::kAllowRepeatedUpdatesDescription, kOsCrOS,
7768      FEATURE_VALUE_TYPE(ash::features::kAllowRepeatedUpdates)},
7769
7770     {"allow-scroll-settings", flag_descriptions::kAllowScrollSettingsName,
7771      flag_descriptions::kAllowScrollSettingsDescription, kOsCrOS,
7772      FEATURE_VALUE_TYPE(ash::features::kAllowScrollSettings)},
7773
7774     {"enable-neural-palm-adaptive-hold",
7775      flag_descriptions::kEnableNeuralPalmAdaptiveHoldName,
7776      flag_descriptions::kEnableNeuralPalmAdaptiveHoldDescription, kOsCrOS,
7777      FEATURE_VALUE_TYPE(ui::kEnableNeuralPalmAdaptiveHold)},
7778
7779     {"enable-neural-stylus-palm-rejection",
7780      flag_descriptions::kEnableNeuralStylusPalmRejectionName,
7781      flag_descriptions::kEnableNeuralStylusPalmRejectionDescription, kOsCrOS,
7782      FEATURE_VALUE_TYPE(ui::kEnableNeuralPalmDetectionFilter)},
7783
7784     {"enable-edge-detection", flag_descriptions::kEnableEdgeDetectionName,
7785      flag_descriptions::kEnableEdgeDetectionDescription, kOsCrOS,
7786      FEATURE_VALUE_TYPE(ui::kEnableEdgeDetection)},
7787
7788     {"fast-pair", flag_descriptions::kFastPairName,
7789      flag_descriptions::kFastPairDescription, kOsCrOS,
7790      FEATURE_VALUE_TYPE(ash::features::kFastPair)},
7791
7792     {"fast-pair-devices-bluetooth-settings",
7793      flag_descriptions::kFastPairDevicesBluetoothSettingsName,
7794      flag_descriptions::kFastPairDevicesBluetoothSettingsDescription, kOsCrOS,
7795      FEATURE_VALUE_TYPE(ash::features::kFastPairDevicesBluetoothSettings)},
7796
7797     {"fast-pair-handshake-long-term-refactor",
7798      flag_descriptions::kFastPairHandshakeLongTermRefactorName,
7799      flag_descriptions::kFastPairHandshakeLongTermRefactorDescription, kOsCrOS,
7800      FEATURE_VALUE_TYPE(ash::features::kFastPairHandshakeLongTermRefactor)},
7801
7802     {"fast-pair-hid", flag_descriptions::kFastPairHIDName,
7803      flag_descriptions::kFastPairHIDDescription, kOsCrOS,
7804      FEATURE_VALUE_TYPE(ash::features::kFastPairHID)},
7805
7806     {"fast-pair-low-power", flag_descriptions::kFastPairLowPowerName,
7807      flag_descriptions::kFastPairLowPowerDescription, kOsCrOS,
7808      FEATURE_VALUE_TYPE(ash::features::kFastPairLowPower)},
7809
7810     {"fast-pair-pwa-companion", flag_descriptions::kFastPairPwaCompanionName,
7811      flag_descriptions::kFastPairPwaCompanionDescription, kOsCrOS,
7812      FEATURE_VALUE_TYPE(ash::features::kFastPairPwaCompanion)},
7813
7814     {"fast-pair-saved-devices", flag_descriptions::kFastPairSavedDevicesName,
7815      flag_descriptions::kFastPairSavedDevicesDescription, kOsCrOS,
7816      FEATURE_VALUE_TYPE(ash::features::kFastPairSavedDevices)},
7817
7818     {"fast-pair-software-scanning",
7819      flag_descriptions::kFastPairSoftwareScanningName,
7820      flag_descriptions::kFastPairSoftwareScanningDescription, kOsCrOS,
7821      FEATURE_VALUE_TYPE(ash::features::kFastPairSoftwareScanning)},
7822
7823     {"pcie-billboard-notification",
7824      flag_descriptions::kPcieBillboardNotificationName,
7825      flag_descriptions::kPcieBillboardNotificationDescription, kOsCrOS,
7826      FEATURE_VALUE_TYPE(ash::features::kPcieBillboardNotification)},
7827
7828     {"use-search-click-for-right-click",
7829      flag_descriptions::kUseSearchClickForRightClickName,
7830      flag_descriptions::kUseSearchClickForRightClickDescription, kOsCrOS,
7831      FEATURE_VALUE_TYPE(ash::features::kUseSearchClickForRightClick)},
7832
7833     {"show-metered-toggle", flag_descriptions::kMeteredShowToggleName,
7834      flag_descriptions::kMeteredShowToggleDescription, kOsCrOS,
7835      FEATURE_VALUE_TYPE(features::kMeteredShowToggle)},
7836
7837     {"display-alignment-assistance",
7838      flag_descriptions::kDisplayAlignmentAssistanceName,
7839      flag_descriptions::kDisplayAlignmentAssistanceDescription, kOsCrOS,
7840      FEATURE_VALUE_TYPE(ash::features::kDisplayAlignAssist)},
7841
7842     {"dropdown-panel", flag_descriptions::kDropdownPanel,
7843      flag_descriptions::kDropdownPanelDescription, kOsCrOS,
7844      FEATURE_VALUE_TYPE(ash::features::kDropdownPanel)},
7845
7846     {"enable-experimental-rgb-keyboard-patterns",
7847      flag_descriptions::kExperimentalRgbKeyboardPatternsName,
7848      flag_descriptions::kExperimentalRgbKeyboardPatternsDescription, kOsCrOS,
7849      FEATURE_VALUE_TYPE(ash::features::kExperimentalRgbKeyboardPatterns)},
7850
7851     {"enable-get-debugd-logs-in-parallel",
7852      flag_descriptions::kEnableGetDebugdLogsInParallelName,
7853      flag_descriptions::kEnableGetDebugdLogsInParallelDescription, kOsCrOS,
7854      FEATURE_VALUE_TYPE(ash::features::kEnableGetDebugdLogsInParallel)},
7855
7856     {"enable-hostname-setting", flag_descriptions::kEnableHostnameSettingName,
7857      flag_descriptions::kEnableHostnameSettingDescription, kOsCrOS,
7858      FEATURE_VALUE_TYPE(ash::features::kEnableHostnameSetting)},
7859
7860     {"enable-oauth-ipp", flag_descriptions::kEnableOAuthIppName,
7861      flag_descriptions::kEnableOAuthIppDescription, kOsCrOS,
7862      FEATURE_VALUE_TYPE(ash::features::kEnableOAuthIpp)},
7863
7864     {"enable-shortcut-customization-app",
7865      flag_descriptions::kEnableShortcutCustomizationAppName,
7866      flag_descriptions::kEnableShortcutCustomizationAppDescription, kOsCrOS,
7867      FEATURE_VALUE_TYPE(features::kShortcutCustomizationApp)},
7868
7869     {"enable-shortcut-customization",
7870      flag_descriptions::kEnableShortcutCustomizationName,
7871      flag_descriptions::kEnableShortcutCustomizationDescription, kOsCrOS,
7872      FEATURE_VALUE_TYPE(features::kShortcutCustomization)},
7873
7874     {"enable-search-customizable-shortcuts-in-launcher",
7875      flag_descriptions::kEnableSearchCustomizableShortcutsInLauncherName,
7876      flag_descriptions::kEnableSearchCustomizableShortcutsInLauncherDescription,
7877      kOsCrOS,
7878      FEATURE_VALUE_TYPE(ash::features::kSearchCustomizableShortcutsInLauncher)},
7879
7880     {"enable-input-device-settings-split",
7881      flag_descriptions::kEnableInputDeviceSettingsSplitName,
7882      flag_descriptions::kEnableInputDeviceSettingsSplitDescription, kOsCrOS,
7883      FEATURE_VALUE_TYPE(ash::features::kInputDeviceSettingsSplit)},
7884
7885     {"enable-peripheral-customization",
7886      flag_descriptions::kEnablePeripheralCustomizationName,
7887      flag_descriptions::kEnablePeripheralCustomizationDescription, kOsCrOS,
7888      FEATURE_VALUE_TYPE(ash::features::kPeripheralCustomization)},
7889
7890     {"enable-peripheral-notification",
7891      flag_descriptions::kEnablePeripheralNotificationName,
7892      flag_descriptions::kEnablePeripheralNotificationDescription, kOsCrOS,
7893      FEATURE_VALUE_TYPE(ash::features::kPeripheralNotification)},
7894
7895     {"enable-accessibility-accelerators-notifications-timeout",
7896      flag_descriptions::kAccessibilityAcceleratorNotificationsTimeoutName,
7897      flag_descriptions::
7898          kAccessibilityAcceleratorNotificationsTimeoutDescription,
7899      kOsCrOS,
7900      FEATURE_VALUE_TYPE(
7901          features::kAccessibilityAcceleratorNotificationsTimeout)},
7902
7903     {"enable-accessibility-service",
7904      flag_descriptions::kAccessibilityServiceName,
7905      flag_descriptions::kAccessibilityServiceDescription, kOsCrOS,
7906      FEATURE_VALUE_TYPE(features::kAccessibilityService)},
7907
7908     {"enable-accessibility-select-to-speak-hover-text-improvements",
7909      flag_descriptions::kAccessibilitySelectToSpeakHoverTextImprovementsName,
7910      flag_descriptions::
7911          kAccessibilitySelectToSpeakHoverTextImprovementsDescription,
7912      kOsCrOS,
7913      FEATURE_VALUE_TYPE(
7914          features::kAccessibilitySelectToSpeakHoverTextImprovements)},
7915
7916     {"enable-accessibility-dictation-keyboard-improvements",
7917      flag_descriptions::kAccessibilityDictationKeyboardImprovementsName,
7918      flag_descriptions::kAccessibilityDictationKeyboardImprovementsDescription,
7919      kOsCrOS,
7920      FEATURE_VALUE_TYPE(features::kAccessibilityDictationKeyboardImprovements)},
7921
7922     {"enable-accessibility-gameface-integration",
7923      flag_descriptions::kAccessibilityGameFaceIntegrationName,
7924      flag_descriptions::kAccessibilityGameFaceIntegrationDescription, kOsCrOS,
7925      FEATURE_VALUE_TYPE(features::kAccessibilityGameFaceIntegration)},
7926
7927     {"enable-only-show-new-shortcut-app",
7928      flag_descriptions::kOnlyShowNewShortcutsAppName,
7929      flag_descriptions::kOnlyShowNewShortcutsAppDescription, kOsCrOS,
7930      FEATURE_VALUE_TYPE(ash::features::kOnlyShowNewShortcutsApp)},
7931
7932     {"enable-pip-double-tap-to-resize",
7933      flag_descriptions::kPipDoubleTapToResizeName,
7934      flag_descriptions::kPipDoubleTapToResizeDescription, kOsCrOS,
7935      FEATURE_VALUE_TYPE(ash::features::kPipDoubleTapToResize)},
7936
7937     {"enable-pip-pinch-to-resize", flag_descriptions::kPipPinchToResizeName,
7938      flag_descriptions::kPipPinchToResizeDescription, kOsCrOS,
7939      FEATURE_VALUE_TYPE(ash::features::kPipPinchToResize)},
7940
7941     {"enable-pip-tilt", flag_descriptions::kPipTiltName,
7942      flag_descriptions::kPipTiltDescription, kOsCrOS,
7943      FEATURE_VALUE_TYPE(ash::features::kPipTilt)},
7944
7945     {"enable-pip-tuck", flag_descriptions::kPipTuckName,
7946      flag_descriptions::kPipTuckDescription, kOsCrOS,
7947      FEATURE_VALUE_TYPE(ash::features::kPipTuck)},
7948
7949 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
7950
7951     {"enable-fenced-frames", flag_descriptions::kEnableFencedFramesName,
7952      flag_descriptions::kEnableFencedFramesDescription, kOsAll,
7953      FEATURE_VALUE_TYPE(blink::features::kFencedFrames)},
7954
7955     {"enable-fenced-frames-developer-mode",
7956      flag_descriptions::kEnableFencedFramesDeveloperModeName,
7957      flag_descriptions::kEnableFencedFramesDeveloperModeDescription, kOsAll,
7958      FEATURE_VALUE_TYPE(blink::features::kFencedFramesDefaultMode)},
7959
7960     {"storage-access-api", flag_descriptions::kStorageAccessAPIName,
7961      flag_descriptions::kStorageAccessAPIDescription, kOsAll,
7962      FEATURE_WITH_PARAMS_VALUE_TYPE(blink::features::kStorageAccessAPI,
7963                                     kStorageAccessAPIVariations,
7964                                     "kStorageAccessAPI")},
7965
7966     {"enable-unsafe-webgpu", flag_descriptions::kUnsafeWebGPUName,
7967      flag_descriptions::kUnsafeWebGPUDescription, kOsAll,
7968      SINGLE_VALUE_TYPE(switches::kEnableUnsafeWebGPU)},
7969
7970     {"enable-webgpu-developer-features",
7971      flag_descriptions::kWebGpuDeveloperFeaturesName,
7972      flag_descriptions::kWebGpuDeveloperFeaturesDescription, kOsAll,
7973      SINGLE_VALUE_TYPE(switches::kEnableWebGPUDeveloperFeatures)},
7974
7975 #if BUILDFLAG(IS_ANDROID)
7976     {"autofill-use-mobile-label-disambiguation",
7977      flag_descriptions::kAutofillUseMobileLabelDisambiguationName,
7978      flag_descriptions::kAutofillUseMobileLabelDisambiguationDescription,
7979      kOsAndroid,
7980      FEATURE_WITH_PARAMS_VALUE_TYPE(
7981          autofill::features::kAutofillUseMobileLabelDisambiguation,
7982          kAutofillUseMobileLabelDisambiguationVariations,
7983          "AutofillUseMobileLabelDisambiguation")},
7984 #endif  // BUILDFLAG(IS_ANDROID)
7985
7986 #if BUILDFLAG(IS_ANDROID)
7987     {"metrics-settings-android", flag_descriptions::kMetricsSettingsAndroidName,
7988      flag_descriptions::kMetricsSettingsAndroidDescription, kOsAndroid,
7989      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kMetricsSettingsAndroid,
7990                                     kMetricsSettingsAndroidVariations,
7991                                     "MetricsSettingsAndroid")},
7992 #endif
7993
7994 #if BUILDFLAG(IS_CHROMEOS_ASH)
7995     {"gesture-properties-dbus-service",
7996      flag_descriptions::kEnableGesturePropertiesDBusServiceName,
7997      flag_descriptions::kEnableGesturePropertiesDBusServiceDescription, kOsCrOS,
7998      FEATURE_VALUE_TYPE(ash::features::kGesturePropertiesDBusService)},
7999 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8000
8001     {"ev-details-in-page-info", flag_descriptions::kEvDetailsInPageInfoName,
8002      flag_descriptions::kEvDetailsInPageInfoDescription, kOsDesktop,
8003      FEATURE_VALUE_TYPE(features::kEvDetailsInPageInfo)},
8004
8005 #if BUILDFLAG(IS_CHROMEOS)
8006     {"global-media-controls-cros-updated-ui",
8007      flag_descriptions::kGlobalMediaControlsCrOSUpdatedUIName,
8008      flag_descriptions::kGlobalMediaControlsCrOSUpdatedUIDescription, kOsCrOS,
8009      FEATURE_VALUE_TYPE(media::kGlobalMediaControlsCrOSUpdatedUI)},
8010 #endif  // BUILDFLAG(IS_CHROMEOS)
8011
8012     {"enable-cooperative-scheduling",
8013      flag_descriptions::kCooperativeSchedulingName,
8014      flag_descriptions::kCooperativeSchedulingDescription, kOsAll,
8015      FEATURE_VALUE_TYPE(features::kCooperativeScheduling)},
8016
8017 #if BUILDFLAG(IS_CHROMEOS_ASH)
8018     {"enable-privacy-indicators", flag_descriptions::kPrivacyIndicatorsName,
8019      flag_descriptions::kPrivacyIndicatorsDescription, kOsCrOS,
8020      FEATURE_VALUE_TYPE(ash::features::kPrivacyIndicators)},
8021 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8022
8023 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
8024     {"enable-proto-api-for-classify-url",
8025      flag_descriptions::kEnableProtoApiForClassifyUrlName,
8026      flag_descriptions::kEnableProtoApiForClassifyUrlDescription,
8027      kOsAndroid | (kOsDesktop & ~kOsFuchsia),
8028      FEATURE_VALUE_TYPE(supervised_user::kEnableProtoApiForClassifyUrl)},
8029 #endif  // BUILDFLAG(ENABLE_SUPERVISED_USERS)
8030
8031 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
8032     {"enable-network-service-sandbox",
8033      flag_descriptions::kEnableNetworkServiceSandboxName,
8034      flag_descriptions::kEnableNetworkServiceSandboxDescription,
8035      kOsLinux | kOsLacros | kOsCrOS,
8036      FEATURE_VALUE_TYPE(sandbox::policy::features::kNetworkServiceSandbox)},
8037 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
8038
8039 #if BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
8040     {"use-out-of-process-video-decoding",
8041      flag_descriptions::kUseOutOfProcessVideoDecodingName,
8042      flag_descriptions::kUseOutOfProcessVideoDecodingDescription,
8043      kOsLinux | kOsCrOS | kOsLacros,
8044      FEATURE_VALUE_TYPE(media::kUseOutOfProcessVideoDecoding)},
8045 #endif  // BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
8046
8047 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
8048
8049     {"enable-family-link-website-filtering",
8050      flag_descriptions::kFilterWebsitesForSupervisedUsersOnDesktopName,
8051      flag_descriptions::kFilterWebsitesForSupervisedUsersOnDesktopDescription,
8052      kOsLinux | kOsMac | kOsWin,
8053      FEATURE_VALUE_TYPE(
8054          supervised_user::kFilterWebsitesForSupervisedUsersOnDesktopAndIOS)},
8055
8056 #if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_WIN)
8057     {"enable-family-link-extensions-permissions",
8058      flag_descriptions::
8059          kEnableExtensionsPermissionsForSupervisedUsersOnDesktopName,
8060      flag_descriptions::
8061          kEnableExtensionsPermissionsForSupervisedUsersOnDesktopDescription,
8062      kOsLinux | kOsMac | kOsWin,
8063      FEATURE_VALUE_TYPE(
8064          supervised_user::
8065              kEnableExtensionsPermissionsForSupervisedUsersOnDesktop)},
8066 #endif
8067
8068     {"enable-family-link-prefs-controls",
8069      flag_descriptions::kSupervisedPrefsControlledBySupervisedStoreName,
8070      flag_descriptions::kSupervisedPrefsControlledBySupervisedStoreDescription,
8071      kOsLinux | kOsMac | kOsWin,
8072      FEATURE_VALUE_TYPE(
8073          supervised_user::kSupervisedPrefsControlledBySupervisedStore)},
8074
8075     {"enable-family-link-managed-ui",
8076      flag_descriptions::kEnableManagedByParentUiName,
8077      flag_descriptions::kEnableManagedByParentUiDescription,
8078      kOsLinux | kOsMac | kOsWin,
8079      FEATURE_VALUE_TYPE(supervised_user::kEnableManagedByParentUi)},
8080
8081     {"enable-supervised-users-remain-signed-in",
8082      flag_descriptions::kClearingCookiesKeepsSupervisedUsersSignedInName,
8083      flag_descriptions::kClearingCookiesKeepsSupervisedUsersSignedInDescription,
8084      kOsLinux | kOsMac | kOsWin,
8085      FEATURE_VALUE_TYPE(
8086          supervised_user::kClearingCookiesKeepsSupervisedUsersSignedIn)},
8087 #endif  // BUILDFLAG(ENABLE_SUPERVISED_USERS)
8088
8089     {"notification-scheduler", flag_descriptions::kNotificationSchedulerName,
8090      flag_descriptions::kNotificationSchedulerDescription, kOsAndroid,
8091      FEATURE_VALUE_TYPE(notifications::features::kNotificationScheduleService)},
8092
8093     {"notification-scheduler-debug-options",
8094      flag_descriptions::kNotificationSchedulerDebugOptionName,
8095      flag_descriptions::kNotificationSchedulerDebugOptionDescription,
8096      kOsAndroid, MULTI_VALUE_TYPE(kNotificationSchedulerChoices)},
8097
8098 #if BUILDFLAG(IS_ANDROID)
8099
8100     {"debug-chime-notification",
8101      flag_descriptions::kChimeAlwaysShowNotificationName,
8102      flag_descriptions::kChimeAlwaysShowNotificationDescription, kOsAndroid,
8103      SINGLE_VALUE_TYPE(notifications::switches::kDebugChimeNotification)},
8104
8105     {"use-chime-android-sdk", flag_descriptions::kChimeAndroidSdkName,
8106      flag_descriptions::kChimeAndroidSdkDescription, kOsAndroid,
8107      FEATURE_VALUE_TYPE(notifications::features::kUseChimeAndroidSdk)},
8108
8109 #endif  // BUILDFLAG(IS_ANDROID)
8110
8111     {"use-client-gmb-interface", flag_descriptions::kUseClientGmbInterfaceName,
8112      flag_descriptions::kUseClientGmbInterfaceDescription, kOsAll,
8113      FEATURE_VALUE_TYPE(features::kUseClientGmbInterface)},
8114
8115 #if BUILDFLAG(IS_CHROMEOS_ASH)
8116     {"contextual-nudges", flag_descriptions::kContextualNudgesName,
8117      flag_descriptions::kContextualNudgesDescription, kOsCrOS,
8118      FEATURE_VALUE_TYPE(ash::features::kContextualNudges)},
8119
8120     {"scalable-iph-debug", flag_descriptions::kScalableIphDebugName,
8121      flag_descriptions::kScalableIphDebugDescription, kOsCrOS,
8122      FEATURE_VALUE_TYPE(ash::features::kScalableIphDebug)},
8123 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8124
8125 #if BUILDFLAG(IS_CHROMEOS_ASH)
8126     {"settings-app-notification-settings",
8127      flag_descriptions::kSettingsAppNotificationSettingsName,
8128      flag_descriptions::kSettingsAppNotificationSettingsDescription, kOsCrOS,
8129      FEATURE_VALUE_TYPE(ash::features::kSettingsAppNotificationSettings)},
8130 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8131
8132     {"use-sha1-server-handshakes", flag_descriptions::kSHA1ServerSignatureName,
8133      flag_descriptions::kSHA1ServerSignatureDescription, kOsAll,
8134      FEATURE_VALUE_TYPE(net::features::kSHA1ServerSignature)},
8135
8136     {"encrypted-client-hello", flag_descriptions::kEncryptedClientHelloName,
8137      flag_descriptions::kEncryptedClientHelloDescription, kOsAll,
8138      FEATURE_VALUE_TYPE(net::features::kEncryptedClientHello)},
8139
8140     {"use-dns-https-svcb-alpn", flag_descriptions::kUseDnsHttpsSvcbAlpnName,
8141      flag_descriptions::kUseDnsHttpsSvcbAlpnDescription,
8142      kOsLinux | kOsMac | kOsWin | kOsCrOS | kOsAndroid,
8143      FEATURE_VALUE_TYPE(net::features::kUseDnsHttpsSvcbAlpn)},
8144
8145 #if !BUILDFLAG(IS_ANDROID)
8146     {"hidpi-capture", flag_descriptions::kWebContentsCaptureHiDpiName,
8147      flag_descriptions::kWebContentsCaptureHiDpiDescription, kOsDesktop,
8148      FEATURE_VALUE_TYPE(media::kWebContentsCaptureHiDpi)},
8149 #endif  // !BUILDFLAG(IS_ANDROID)
8150
8151 #if BUILDFLAG(IS_ANDROID)
8152     {"web-otp-backend", flag_descriptions::kWebOtpBackendName,
8153      flag_descriptions::kWebOtpBackendDescription, kOsAndroid,
8154      MULTI_VALUE_TYPE(kWebOtpBackendChoices)},
8155
8156     {"darken-websites-checkbox-in-themes-setting",
8157      flag_descriptions::kDarkenWebsitesCheckboxInThemesSettingName,
8158      flag_descriptions::kDarkenWebsitesCheckboxInThemesSettingDescription,
8159      kOsAndroid,
8160      FEATURE_VALUE_TYPE(
8161          content_settings::kDarkenWebsitesCheckboxInThemesSetting)},
8162
8163     {"context-menu-search-with-google-lens",
8164      flag_descriptions::kContextMenuSearchWithGoogleLensName,
8165      flag_descriptions::kContextMenuSearchWithGoogleLensDescription, kOsAndroid,
8166      FEATURE_WITH_PARAMS_VALUE_TYPE(
8167          chrome::android::kContextMenuSearchWithGoogleLens,
8168          kLensContextMenuSearchVariations,
8169          "ContextMenuSearchWithGoogleLens")},
8170
8171     {"context-menu-google-lens-search-optimizations",
8172      flag_descriptions::kContextMenuGoogleLensSearchOptimizationsName,
8173      flag_descriptions::kContextMenuGoogleLensSearchOptimizationsDescription,
8174      kOsAndroid,
8175      FEATURE_WITH_PARAMS_VALUE_TYPE(
8176          chrome::android::kContextMenuGoogleLensSearchOptimizations,
8177          kContextMenuGoogleLensSearchOptimizationVariations,
8178          "ContextMenuGoogleLensSearchOptimizations")},
8179
8180     {"lens-camera-assisted-search",
8181      flag_descriptions::kLensCameraAssistedSearchName,
8182      flag_descriptions::kLensCameraAssistedSearchDescription, kOsAndroid,
8183      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kLensCameraAssistedSearch,
8184                                     kLensCameraAssistedSearchVariations,
8185                                     "LensCameraAssistedSearch")},
8186 #endif  // BUILDFLAG(IS_ANDROID)
8187
8188     {"back-forward-cache", flag_descriptions::kBackForwardCacheName,
8189      flag_descriptions::kBackForwardCacheDescription, kOsAll,
8190      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kBackForwardCache,
8191                                     kBackForwardCacheVariations,
8192                                     "BackForwardCache")},
8193
8194     {"windows-scrolling-personality",
8195      flag_descriptions::kWindowsScrollingPersonalityName,
8196      flag_descriptions::kWindowsScrollingPersonalityDescription, kOsAll,
8197      FEATURE_VALUE_TYPE(features::kWindowsScrollingPersonality)},
8198
8199 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID)
8200     {"elastic-overscroll", flag_descriptions::kElasticOverscrollName,
8201      flag_descriptions::kElasticOverscrollDescription, kOsWin | kOsAndroid,
8202      FEATURE_VALUE_TYPE(features::kElasticOverscroll)},
8203 #endif
8204
8205     {"device-posture", flag_descriptions::kDevicePostureName,
8206      flag_descriptions::kDevicePostureDescription, kOsAll,
8207      FEATURE_VALUE_TYPE(features::kDevicePosture)},
8208
8209     {"viewport-segments", flag_descriptions::kViewportSegmentsName,
8210      flag_descriptions::kViewportSegmentsDescription, kOsAll,
8211      FEATURE_VALUE_TYPE(features::kViewportSegments)},
8212
8213 #if BUILDFLAG(IS_CHROMEOS_ASH)
8214     {"device-force-scheduled-reboot",
8215      flag_descriptions::kDeviceForceScheduledRebootName,
8216      flag_descriptions::kDeviceForceScheduledRebootDescription, kOsCrOS,
8217      FEATURE_VALUE_TYPE(ash::features::kDeviceForceScheduledReboot)},
8218     {"enable-assistant-aec", flag_descriptions::kEnableGoogleAssistantAecName,
8219      flag_descriptions::kEnableGoogleAssistantAecDescription, kOsCrOS,
8220      FEATURE_VALUE_TYPE(ash::assistant::features::kAssistantAudioEraser)},
8221 #endif
8222
8223 #if BUILDFLAG(IS_WIN)
8224     {"enable-winrt-geolocation-implementation",
8225      flag_descriptions::kWinrtGeolocationImplementationName,
8226      flag_descriptions::kWinrtGeolocationImplementationDescription, kOsWin,
8227      FEATURE_VALUE_TYPE(features::kWinrtGeolocationImplementation)},
8228 #endif
8229
8230 #if BUILDFLAG(IS_MAC)
8231     {"enable-core-location-backend",
8232      flag_descriptions::kMacCoreLocationBackendName,
8233      flag_descriptions::kMacCoreLocationBackendDescription, kOsMac,
8234      FEATURE_VALUE_TYPE(features::kMacCoreLocationBackend)},
8235 #endif
8236
8237 #if !BUILDFLAG(IS_ANDROID)
8238     {"mute-notification-snooze-action",
8239      flag_descriptions::kMuteNotificationSnoozeActionName,
8240      flag_descriptions::kMuteNotificationSnoozeActionDescription, kOsDesktop,
8241      FEATURE_VALUE_TYPE(features::kMuteNotificationSnoozeAction)},
8242 #endif  // !BUILDFLAG(IS_ANDROID)
8243
8244 #if BUILDFLAG(IS_MAC)
8245     {"enable-new-mac-notification-api",
8246      flag_descriptions::kNewMacNotificationAPIName,
8247      flag_descriptions::kNewMacNotificationAPIDescription, kOsMac,
8248      FEATURE_VALUE_TYPE(features::kNewMacNotificationAPI)},
8249 #endif
8250
8251 #if BUILDFLAG(IS_CHROMEOS_ASH)
8252     {"exo-consumed-by-ime-by-flag",
8253      flag_descriptions::kExoConsumedByImeByFlagName,
8254      flag_descriptions::kExoConsumedByImeByFlagDescription, kOsCrOS,
8255      FEATURE_VALUE_TYPE(ash::features::kExoConsumedByImeByFlag)},
8256     {"exo-gamepad-vibration", flag_descriptions::kExoGamepadVibrationName,
8257      flag_descriptions::kExoGamepadVibrationDescription, kOsCrOS,
8258      FEATURE_VALUE_TYPE(ash::features::kGamepadVibration)},
8259     {"exo-ordinal-motion", flag_descriptions::kExoOrdinalMotionName,
8260      flag_descriptions::kExoOrdinalMotionDescription, kOsCrOS,
8261      FEATURE_VALUE_TYPE(ash::features::kExoOrdinalMotion)},
8262     {"exo-surrounding-text-offset",
8263      flag_descriptions::kExoSurroundingTextOffsetName,
8264      flag_descriptions::kExoSurroundingTextOffsetDescription, kOsCrOS,
8265      FEATURE_VALUE_TYPE(ash::features::kExoSurroundingTextOffset)},
8266 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8267
8268 #if BUILDFLAG(IS_MAC)
8269     {"screentime", flag_descriptions::kScreenTimeName,
8270      flag_descriptions::kScreenTimeDescription, kOsMac,
8271      FEATURE_VALUE_TYPE(screentime::kScreenTime)},
8272 #endif
8273
8274     {"enable-heavy-ad-intervention",
8275      flag_descriptions::kHeavyAdInterventionName,
8276      flag_descriptions::kHeavyAdInterventionDescription, kOsAll,
8277      FEATURE_VALUE_TYPE(heavy_ad_intervention::features::kHeavyAdIntervention)},
8278
8279     {"heavy-ad-privacy-mitigations",
8280      flag_descriptions::kHeavyAdPrivacyMitigationsName,
8281      flag_descriptions::kHeavyAdPrivacyMitigationsDescription, kOsAll,
8282      FEATURE_VALUE_TYPE(
8283          heavy_ad_intervention::features::kHeavyAdPrivacyMitigations)},
8284
8285 #if BUILDFLAG(IS_CHROMEOS_ASH)
8286     {"crostini-container-install",
8287      flag_descriptions::kCrostiniContainerInstallName,
8288      flag_descriptions::kCrostiniContainerInstallDescription, kOsCrOS,
8289      MULTI_VALUE_TYPE(kCrostiniContainerChoices)},
8290 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8291
8292 #if BUILDFLAG(IS_CHROMEOS_ASH)
8293     {"os-settings-app-notifications-page",
8294      flag_descriptions::kOsSettingsAppNotificationsPageName,
8295      flag_descriptions::kOsSettingsAppNotificationsPageDescription, kOsCrOS,
8296      FEATURE_VALUE_TYPE(ash::features::kOsSettingsAppNotificationsPage)},
8297     {"help-app-auto-trigger-install-dialog",
8298      flag_descriptions::kHelpAppAutoTriggerInstallDialogName,
8299      flag_descriptions::kHelpAppAutoTriggerInstallDialogDescription, kOsCrOS,
8300      FEATURE_VALUE_TYPE(ash::features::kHelpAppAutoTriggerInstallDialog)},
8301     {"help-app-home-page-app-articles",
8302      flag_descriptions::kHelpAppHomePageAppArticlesName,
8303      flag_descriptions::kHelpAppHomePageAppArticlesDescription, kOsCrOS,
8304      FEATURE_VALUE_TYPE(ash::features::kHelpAppHomePageAppArticles)},
8305     {"help-app-launcher-search", flag_descriptions::kHelpAppLauncherSearchName,
8306      flag_descriptions::kHelpAppLauncherSearchDescription, kOsCrOS,
8307      FEATURE_VALUE_TYPE(ash::features::kHelpAppLauncherSearch)},
8308     {"media-app-pdf-a11y-ocr", flag_descriptions::kMediaAppPdfA11yOcrName,
8309      flag_descriptions::kMediaAppPdfA11yOcrDescription, kOsCrOS,
8310      FEATURE_VALUE_TYPE(ash::features::kMediaAppPdfA11yOcr)},
8311     {"release-notes-notification-all-channels",
8312      flag_descriptions::kReleaseNotesNotificationAllChannelsName,
8313      flag_descriptions::kReleaseNotesNotificationAllChannelsDescription,
8314      kOsCrOS,
8315      FEATURE_VALUE_TYPE(ash::features::kReleaseNotesNotificationAllChannels)},
8316     {"use-android-staging-smds", flag_descriptions::kUseAndroidStagingSmdsName,
8317      flag_descriptions::kUseAndroidStagingSmdsDescription, kOsCrOS,
8318      FEATURE_VALUE_TYPE(ash::features::kUseAndroidStagingSmds)},
8319     {"use-stork-smds-server-address",
8320      flag_descriptions::kUseStorkSmdsServerAddressName,
8321      flag_descriptions::kUseStorkSmdsServerAddressDescription, kOsCrOS,
8322      FEATURE_VALUE_TYPE(ash::features::kUseStorkSmdsServerAddress)},
8323     {"use-wallpaper-staging-url",
8324      flag_descriptions::kUseWallpaperStagingUrlName,
8325      flag_descriptions::kUseWallpaperStagingUrlDescription, kOsCrOS,
8326      FEATURE_VALUE_TYPE(ash::features::kUseWallpaperStagingUrl)},
8327 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8328
8329 #if BUILDFLAG(IS_ANDROID)
8330     {"autofill-enable-manual-fallback-for-virtual-cards",
8331      flag_descriptions::kAutofillEnableManualFallbackForVirtualCardsName,
8332      flag_descriptions::kAutofillEnableManualFallbackForVirtualCardsDescription,
8333      kOsAndroid,
8334      FEATURE_VALUE_TYPE(
8335          autofill::features::kAutofillEnableManualFallbackForVirtualCards)},
8336 #endif  // BUILDFLAG(IS_ANDROID)
8337
8338     {"autofill-enable-card-product-name",
8339      flag_descriptions::kAutofillEnableCardProductNameName,
8340      flag_descriptions::kAutofillEnableCardProductNameDescription, kOsAll,
8341      FEATURE_VALUE_TYPE(autofill::features::kAutofillEnableCardProductName)},
8342
8343 #if BUILDFLAG(ENABLE_PAINT_PREVIEW) && BUILDFLAG(IS_ANDROID)
8344     {"paint-preview-demo", flag_descriptions::kPaintPreviewDemoName,
8345      flag_descriptions::kPaintPreviewDemoDescription, kOsAndroid,
8346      FEATURE_VALUE_TYPE(paint_preview::kPaintPreviewDemo)},
8347 #endif  // BUILDFLAG(ENABLE_PAINT_PREVIEW) && BUILDFLAG(IS_ANDROID)
8348
8349 #if BUILDFLAG(IS_CHROMEOS_ASH)
8350     {"panel-self-refresh-2", flag_descriptions::kPanelSelfRefresh2Name,
8351      flag_descriptions::kPanelSelfRefresh2Description, kOsCrOS,
8352      FEATURE_VALUE_TYPE(display::features::kPanelSelfRefresh2)},
8353 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8354
8355     {"fullscreen-popup-windows", flag_descriptions::kFullscreenPopupWindowsName,
8356      flag_descriptions::kFullscreenPopupWindowsDescription,
8357      kOsDesktop | kOsAndroid,
8358      FEATURE_VALUE_TYPE(blink::features::kFullscreenPopupWindows)},
8359
8360 #if BUILDFLAG(IS_WIN)
8361     {"run-video-capture-service-in-browser",
8362      flag_descriptions::kRunVideoCaptureServiceInBrowserProcessName,
8363      flag_descriptions::kRunVideoCaptureServiceInBrowserProcessDescription,
8364      kOsWin,
8365      FEATURE_VALUE_TYPE(features::kRunVideoCaptureServiceInBrowserProcess)},
8366 #endif  // BUILDFLAG(IS_WIN)
8367     {"disruptive-notification-permission-revocation",
8368      flag_descriptions::kDisruptiveNotificationPermissionRevocationName,
8369      flag_descriptions::kDisruptiveNotificationPermissionRevocationDescription,
8370      kOsAll,
8371      FEATURE_VALUE_TYPE(features::kDisruptiveNotificationPermissionRevocation)},
8372     {"double-buffer-compositing",
8373      flag_descriptions::kDoubleBufferCompositingName,
8374      flag_descriptions::kDoubleBufferCompositingDescription, kOsCrOS,
8375      SINGLE_VALUE_TYPE(switches::kDoubleBufferCompositing)},
8376
8377 #if !BUILDFLAG(IS_ANDROID)
8378     {"page-info-hide-site-settings",
8379      flag_descriptions::kPageInfoHideSiteSettingsName,
8380      flag_descriptions::kPageInfoHideSiteSettingsDescription, kOsDesktop,
8381      FEATURE_VALUE_TYPE(page_info::kPageInfoHideSiteSettings)},
8382 #endif  // !BUILDFLAG(IS_ANDROID)
8383
8384 #if !BUILDFLAG(IS_ANDROID)
8385     {"page-info-history-desktop",
8386      flag_descriptions::kPageInfoHistoryDesktopName,
8387      flag_descriptions::kPageInfoHistoryDesktopDescription, kOsDesktop,
8388      FEATURE_VALUE_TYPE(page_info::kPageInfoHistoryDesktop)},
8389 #endif  // !BUILDFLAG(IS_ANDROID)
8390
8391 #if !BUILDFLAG(IS_ANDROID)
8392     {"page-info-about-this-page-persistent-side-panel-entry",
8393      flag_descriptions::kPageInfoAboutThisPagePersistentEntryName,
8394      flag_descriptions::kPageInfoAboutThisPagePersistentEntryDescription,
8395      kOsDesktop,
8396      FEATURE_VALUE_TYPE(page_info::kAboutThisSitePersistentSidePanelEntry)},
8397 #endif
8398
8399     {"user-bypass-ui", flag_descriptions::kUserBypassUIName,
8400      flag_descriptions::kUserBypassUIDescription, kOsDesktop | kOsAndroid,
8401      FEATURE_VALUE_TYPE(content_settings::features::kUserBypassUI)},
8402
8403     {"preloading-on-performance-page",
8404      flag_descriptions::kPreloadingOnPerformancePageName,
8405      flag_descriptions::kPreloadingOnPerformancePageDescription, kOsDesktop,
8406      FEATURE_WITH_PARAMS_VALUE_TYPE(
8407          features::kPerformanceSettingsPreloadingSubpage,
8408          kPerformanceSettingsPreloadingSubpageVariations,
8409          "PerformanceSettingsPreloadingSubpage")},
8410
8411     {"tracking-protection-3pcd", flag_descriptions::kTrackingProtection3pcdName,
8412      flag_descriptions::kTrackingProtection3pcdDescription,
8413      kOsDesktop | kOsAndroid,
8414      FEATURE_VALUE_TYPE(content_settings::features::kTrackingProtection3pcd)},
8415
8416     {"tracking-protection-onboarding-rollback-flow",
8417      flag_descriptions::kTrackingProtectionOnboardingRollbackName,
8418      flag_descriptions::kTrackingProtectionOnboardingRollbackDescription,
8419      kOsDesktop | kOsAndroid,
8420      FEATURE_VALUE_TYPE(
8421          privacy_sandbox::kTrackingProtectionOnboardingRollback)},
8422
8423 #if BUILDFLAG(IS_CHROMEOS_ASH)
8424     {kClipboardHistoryLongpressInternalName,
8425      flag_descriptions::kClipboardHistoryLongpressName,
8426      flag_descriptions::kClipboardHistoryLongpressDescription, kOsCrOS,
8427      FEATURE_VALUE_TYPE(ash::features::kClipboardHistoryLongpress)},
8428     {kClipboardHistoryRefreshInternalName,
8429      flag_descriptions::kClipboardHistoryRefreshName,
8430      flag_descriptions::kClipboardHistoryRefreshDescription, kOsCrOS,
8431      FEATURE_VALUE_TYPE(chromeos::features::kClipboardHistoryRefresh)},
8432     {kClipboardHistoryUrlTitlesInternalName,
8433      flag_descriptions::kClipboardHistoryUrlTitlesName,
8434      flag_descriptions::kClipboardHistoryUrlTitlesDescription, kOsCrOS,
8435      FEATURE_VALUE_TYPE(ash::features::kClipboardHistoryUrlTitles)},
8436     {"clipboard-history-web-contents-paste",
8437      flag_descriptions::kClipboardHistoryWebContentsPasteName,
8438      flag_descriptions::kClipboardHistoryWebContentsPasteDescription, kOsCrOS,
8439      FEATURE_VALUE_TYPE(ash::features::kClipboardHistoryWebContentsPaste)},
8440 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8441
8442 #if BUILDFLAG(IS_WIN)
8443     {"enable-media-foundation-video-capture",
8444      flag_descriptions::kEnableMediaFoundationVideoCaptureName,
8445      flag_descriptions::kEnableMediaFoundationVideoCaptureDescription, kOsWin,
8446      FEATURE_VALUE_TYPE(media::kMediaFoundationVideoCapture)},
8447 #endif  // BUILDFLAG(IS_WIN)
8448
8449 #if !BUILDFLAG(IS_ANDROID)
8450     {"copy-link-to-text", flag_descriptions::kCopyLinkToTextName,
8451      flag_descriptions::kCopyLinkToTextDescription, kOsDesktop,
8452      FEATURE_VALUE_TYPE(features::kCopyLinkToText)},
8453 #endif  // !BUILDFLAG(IS_ANDROID)
8454
8455     {"shared-highlighting-manager",
8456      flag_descriptions::kSharedHighlightingManagerName,
8457      flag_descriptions::kSharedHighlightingManagerDescription, kOsAll,
8458      FEATURE_VALUE_TYPE(shared_highlighting::kSharedHighlightingManager)},
8459
8460 #if BUILDFLAG(IS_CHROMEOS_ASH)
8461     {"reset-shortcut-customizations",
8462      flag_descriptions::kResetShortcutCustomizationsName,
8463      flag_descriptions::kResetShortcutCustomizationsDescription, kOsCrOS,
8464      FEATURE_VALUE_TYPE(ash::features::kResetShortcutCustomizations)},
8465     {"shimless-rma-os-update", flag_descriptions::kShimlessRMAOsUpdateName,
8466      flag_descriptions::kShimlessRMAOsUpdateDescription, kOsCrOS,
8467      FEATURE_VALUE_TYPE(ash::features::kShimlessRMAOsUpdate)},
8468     {"shimless-rma-compliance-check",
8469      flag_descriptions::kShimlessRMAComplianceCheckName,
8470      flag_descriptions::kShimlessRMAComplianceCheckDescription, kOsCrOS,
8471      FEATURE_VALUE_TYPE(ash::features::kShimlessRMAComplianceCheck)},
8472     {"shimless-rma-sku-description",
8473      flag_descriptions::kShimlessRMASkuDescriptionName,
8474      flag_descriptions::kShimlessRMASkuDescriptionDescription, kOsCrOS,
8475      FEATURE_VALUE_TYPE(ash::features::kShimlessRMASkuDescription)},
8476     {"shortcut-customization-jelly",
8477      flag_descriptions::kShortcutCustomizationJellyName,
8478      flag_descriptions::kShortcutCustomizationJellyDescription, kOsCrOS,
8479      FEATURE_VALUE_TYPE(ash::features::kShortcutCustomizationJelly)},
8480     {"nearby-sharing-self-share",
8481      flag_descriptions::kNearbySharingSelfShareName,
8482      flag_descriptions::kNearbySharingSelfShareDescription, kOsCrOS,
8483      FEATURE_VALUE_TYPE(features::kNearbySharingSelfShare)},
8484 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8485
8486 #if BUILDFLAG(IS_CHROMEOS_ASH)
8487     {"enable-palm-suppression", flag_descriptions::kEnablePalmSuppressionName,
8488      flag_descriptions::kEnablePalmSuppressionDescription, kOsCrOS,
8489      FEATURE_VALUE_TYPE(ui::kEnablePalmSuppression)},
8490 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8491
8492     {"enable-experimental-cookie-features",
8493      flag_descriptions::kEnableExperimentalCookieFeaturesName,
8494      flag_descriptions::kEnableExperimentalCookieFeaturesDescription, kOsAll,
8495      MULTI_VALUE_TYPE(kEnableExperimentalCookieFeaturesChoices)},
8496
8497     {"canvas-2d-layers", flag_descriptions::kCanvas2DLayersName,
8498      flag_descriptions::kCanvas2DLayersDescription, kOsAll,
8499      SINGLE_VALUE_TYPE(switches::kEnableCanvas2DLayers)},
8500
8501     {"enable-machine-learning-model-loader-web-platform-api",
8502      flag_descriptions::kEnableMachineLearningModelLoaderWebPlatformApiName,
8503      flag_descriptions::
8504          kEnableMachineLearningModelLoaderWebPlatformApiDescription,
8505      kOsAll,
8506      FEATURE_VALUE_TYPE(
8507          features::kEnableMachineLearningModelLoaderWebPlatformApi)},
8508
8509     {"confirmation-chip", flag_descriptions::kConfirmationChipName,
8510      flag_descriptions::kConfirmationChipNameDescription, kOsDesktop,
8511      FEATURE_VALUE_TYPE(permissions::features::kConfirmationChip)},
8512
8513     {"chip-location-bar-icon-override",
8514      flag_descriptions::kChipLocationBarIconOverrideName,
8515      flag_descriptions::kChipLocationBarIconOverrideDescription, kOsDesktop,
8516      FEATURE_VALUE_TYPE(permissions::features::kChipLocationBarIconOverride)},
8517
8518     {"one-time-permission", flag_descriptions::kOneTimePermissionName,
8519      flag_descriptions::kOneTimePermissionDescription, kOsDesktop,
8520      FEATURE_VALUE_TYPE(permissions::features::kOneTimePermission)},
8521
8522     {"improved-semantics-activity-indicators",
8523      flag_descriptions::kImprovedSemanticsActivityIndicatorsName,
8524      flag_descriptions::kImprovedSemanticsActivityIndicatorsDescription,
8525      kOsDesktop,
8526      FEATURE_VALUE_TYPE(
8527          content_settings::features::kImprovedSemanticsActivityIndicators)},
8528
8529     {"attribution-reporting-debug-mode",
8530      flag_descriptions::kAttributionReportingDebugModeName,
8531      flag_descriptions::kAttributionReportingDebugModeDescription, kOsAll,
8532      SINGLE_VALUE_TYPE(switches::kAttributionReportingDebugMode)},
8533
8534     {"private-aggregation-developer-mode",
8535      flag_descriptions::kPrivateAggregationDeveloperModeName,
8536      flag_descriptions::kPrivateAggregationDeveloperModeDescription, kOsAll,
8537      SINGLE_VALUE_TYPE(switches::kPrivateAggregationDeveloperMode)},
8538
8539 #if BUILDFLAG(IS_CHROMEOS_ASH)
8540     {"productivity-launcher", flag_descriptions::kProductivityLauncherName,
8541      flag_descriptions::kProductivityLauncherDescription, kOsCrOS,
8542      FEATURE_WITH_PARAMS_VALUE_TYPE(ash::features::kProductivityLauncher,
8543                                     kProductivityLauncherVariations,
8544                                     "ProductivityLauncher")},
8545     {"launcher-item-suggest", flag_descriptions::kLauncherItemSuggestName,
8546      flag_descriptions::kLauncherItemSuggestDescription, kOsCrOS,
8547      FEATURE_WITH_PARAMS_VALUE_TYPE(ash::kLauncherItemSuggest,
8548                                     kLauncherItemSuggestVariations,
8549                                     "LauncherItemSuggest")},
8550     {"eol-incentive", flag_descriptions::kEolIncentiveName,
8551      flag_descriptions::kEolIncentiveDescription, kOsCrOS,
8552      FEATURE_WITH_PARAMS_VALUE_TYPE(ash::features::kEolIncentive,
8553                                     kEolIncentiveVariations,
8554                                     "EolIncentive")},
8555     {"productivity-launcher-image-search",
8556      flag_descriptions::kProductivityLauncherImageSearchName,
8557      flag_descriptions::kProductivityLauncherImageSearchDescription, kOsCrOS,
8558      FEATURE_VALUE_TYPE(ash::features::kProductivityLauncherImageSearch)},
8559     {"scanning-app-jelly", flag_descriptions::kScanningAppJellyName,
8560      flag_descriptions::kScanningAppJellyDescription, kOsCrOS,
8561      FEATURE_VALUE_TYPE(ash::features::kScanningAppJelly)},
8562     {"shelf-auto-hide-separation",
8563      flag_descriptions::kShelfAutoHideSeparationName,
8564      flag_descriptions::kShelfAutoHideSeparationDescription, kOsCrOS,
8565      FEATURE_VALUE_TYPE(ash::features::kShelfAutoHideSeparation)},
8566     {"shelf-stacked-hotseat", flag_descriptions::kShelfStackedHotseatName,
8567      flag_descriptions::kShelfStackedHotseatDescription, kOsCrOS,
8568      FEATURE_VALUE_TYPE(ash::features::kShelfStackedHotseat)},
8569     {"launcher-game-search", flag_descriptions::kLauncherGameSearchName,
8570      flag_descriptions::kLauncherGameSearchDescription, kOsCrOS,
8571      FEATURE_VALUE_TYPE(search_features::kLauncherGameSearch)},
8572     {"launcher-fuzzy-match-across-providers",
8573      flag_descriptions::kLauncherFuzzyMatchAcrossProvidersName,
8574      flag_descriptions::kLauncherFuzzyMatchAcrossProvidersDescription, kOsCrOS,
8575      FEATURE_VALUE_TYPE(search_features::kLauncherFuzzyMatchAcrossProviders)},
8576     {"launcher-keyword-extraction-scoring",
8577      flag_descriptions::kLauncherKeywordExtractionScoring,
8578      flag_descriptions::kLauncherKeywordExtractionScoringDescription, kOsCrOS,
8579      FEATURE_VALUE_TYPE(search_features::kLauncherKeywordExtractionScoring)},
8580     {"launcher-fuzzy-match-for-omnibox",
8581      flag_descriptions::kLauncherFuzzyMatchForOmniboxName,
8582      flag_descriptions::kLauncherFuzzyMatchForOmniboxDescription, kOsCrOS,
8583      FEATURE_VALUE_TYPE(search_features::kLauncherFuzzyMatchForOmnibox)},
8584     {"launcher-search-control", flag_descriptions::kLauncherSearchControlName,
8585      flag_descriptions::kLauncherSearchControlDescription, kOsCrOS,
8586      FEATURE_VALUE_TYPE(ash::features::kLauncherSearchControl)},
8587     {"launcher-nudge-session-reset",
8588      flag_descriptions::kLauncherNudgeSessionResetName,
8589      flag_descriptions::kLauncherNudgeSessionResetDescription, kOsCrOS,
8590      FEATURE_VALUE_TYPE(ash::features::kLauncherNudgeSessionReset)},
8591     {"launcher-system-info-answer-cards",
8592      flag_descriptions::kLauncherSystemInfoAnswerCardsName,
8593      flag_descriptions::kLauncherSystemInfoAnswerCardsDescription, kOsCrOS,
8594      FEATURE_VALUE_TYPE(search_features::kLauncherSystemInfoAnswerCards)},
8595     {"text-in-shelf", flag_descriptions::kTextInShelfName,
8596      flag_descriptions::kTextInShelfDescription, kOsCrOS,
8597      FEATURE_VALUE_TYPE(ash::features::kHomeButtonWithText)},
8598     {"launcher-local-image-search",
8599      flag_descriptions::kLauncherLocalImageSearchName,
8600      flag_descriptions::kLauncherLocalImageSearchDescription, kOsCrOS,
8601      FEATURE_VALUE_TYPE(search_features::kLauncherImageSearch)},
8602     {"launcher-local-image-search-ocr",
8603      flag_descriptions::kLauncherLocalImageSearchOcrName,
8604      flag_descriptions::kLauncherLocalImageSearchOcrDescription, kOsCrOS,
8605      FEATURE_VALUE_TYPE(search_features::kLauncherImageSearchOcr)},
8606     {"launcher-local-image-search-ica",
8607      flag_descriptions::kLauncherLocalImageSearchIcaName,
8608      flag_descriptions::kLauncherLocalImageSearchIcaDescription, kOsCrOS,
8609      FEATURE_VALUE_TYPE(search_features::kLauncherImageSearchIca)},
8610     {"quick-app-access-test-ui", flag_descriptions::kQuickAppAccessTestUIName,
8611      flag_descriptions::kQuickAppAccessTestUIDescription, kOsCrOS,
8612      FEATURE_VALUE_TYPE(ash::features::kQuickAppAccessTestUI)},
8613
8614 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8615
8616 #if BUILDFLAG(IS_CHROMEOS_ASH)
8617     {"mac-address-randomization",
8618      flag_descriptions::kMacAddressRandomizationName,
8619      flag_descriptions::kMacAddressRandomizationDescription, kOsCrOS,
8620      FEATURE_VALUE_TYPE(ash::features::kMacAddressRandomization)},
8621
8622     {"oobe-jelly", flag_descriptions::kOobeJellyName,
8623      flag_descriptions::kOobeJellyDescription, kOsCrOS,
8624      FEATURE_VALUE_TYPE(ash::features::kOobeJelly)},
8625     {"oobe-jelly-modal", flag_descriptions::kOobeJellyModalName,
8626      flag_descriptions::kOobeJellyModalDescription, kOsCrOS,
8627      FEATURE_VALUE_TYPE(ash::features::kOobeJellyModal)},
8628     {"oobe-simon", flag_descriptions::kOobeSimonName,
8629      flag_descriptions::kOobeSimonDescription, kOsCrOS,
8630      FEATURE_VALUE_TYPE(ash::features::kOobeSimon)},
8631
8632     {"smds-support", flag_descriptions::kSmdsSupportName,
8633      flag_descriptions::kSmdsSupportDescription, kOsCrOS,
8634      FEATURE_VALUE_TYPE(ash::features::kSmdsSupport)},
8635
8636     {"smds-support-euicc-upload",
8637      flag_descriptions::kSmdsSupportEuiccUploadName,
8638      flag_descriptions::kSmdsSupportEuiccUploadDescription, kOsCrOS,
8639      FEATURE_VALUE_TYPE(ash::features::kSmdsSupportEuiccUpload)},
8640
8641     {"smds-dbus-migration", flag_descriptions::kSmdsDbusMigrationName,
8642      flag_descriptions::kSmdsDbusMigrationDescription, kOsCrOS,
8643      FEATURE_VALUE_TYPE(ash::features::kSmdsDbusMigration)},
8644
8645     {"dynamic-search-update-animation",
8646      flag_descriptions::kDynamicSearchUpdateAnimationName,
8647      flag_descriptions::kDynamicSearchUpdateAnimationDescription, kOsCrOS,
8648      FEATURE_WITH_PARAMS_VALUE_TYPE(
8649          app_list_features::kDynamicSearchUpdateAnimation,
8650          kDynamicSearchUpdateAnimationVariations,
8651          "LauncherDynamicAnimations")},
8652 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8653
8654 #if BUILDFLAG(IS_CHROMEOS_ASH)
8655     {"frame-throttle-fps", flag_descriptions::kFrameThrottleFpsName,
8656      flag_descriptions::kFrameThrottleFpsDescription, kOsCrOS,
8657      MULTI_VALUE_TYPE(kFrameThrottleFpsChoices)},
8658 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8659
8660 #if BUILDFLAG(IS_ANDROID)
8661     {"incognito-reauthentication-for-android",
8662      flag_descriptions::kIncognitoReauthenticationForAndroidName,
8663      flag_descriptions::kIncognitoReauthenticationForAndroidDescription,
8664      kOsAndroid,
8665      FEATURE_VALUE_TYPE(chrome::android::kIncognitoReauthenticationForAndroid)},
8666 #endif
8667
8668 #if BUILDFLAG(IS_ANDROID)
8669     {"enable-surface-control", flag_descriptions::kAndroidSurfaceControlName,
8670      flag_descriptions::kAndroidSurfaceControlDescription, kOsAndroid,
8671      FEATURE_VALUE_TYPE(features::kAndroidSurfaceControl)},
8672
8673     {"enable-image-reader", flag_descriptions::kAImageReaderName,
8674      flag_descriptions::kAImageReaderDescription, kOsAndroid,
8675      FEATURE_VALUE_TYPE(features::kAImageReader)},
8676 #endif  // BUILDFLAG(IS_ANDROID)
8677
8678 #if BUILDFLAG(IS_ANDROID)
8679     {"smart-suggestion-for-large-downloads",
8680      flag_descriptions::kSmartSuggestionForLargeDownloadsName,
8681      flag_descriptions::kSmartSuggestionForLargeDownloadsDescription,
8682      kOsAndroid,
8683      FEATURE_VALUE_TYPE(download::features::kSmartSuggestionForLargeDownloads)},
8684 #endif  // BUILDFLAG(IS_ANDROID)
8685
8686 #if BUILDFLAG(IS_ANDROID)
8687     {"messages-for-android-ads-blocked",
8688      flag_descriptions::kMessagesForAndroidAdsBlockedName,
8689      flag_descriptions::kMessagesForAndroidAdsBlockedDescription, kOsAndroid,
8690      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidAdsBlocked)},
8691     {"messages-for-android-infrastructure",
8692      flag_descriptions::kMessagesForAndroidInfrastructureName,
8693      flag_descriptions::kMessagesForAndroidInfrastructureDescription,
8694      kOsAndroid,
8695      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidInfrastructure)},
8696     {"messages-for-android-offer-notification",
8697      flag_descriptions::kMessagesForAndroidOfferNotificationName,
8698      flag_descriptions::kMessagesForAndroidOfferNotificationDescription,
8699      kOsAndroid,
8700      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidOfferNotification)},
8701     {"messages-for-android-permission-update",
8702      flag_descriptions::kMessagesForAndroidPermissionUpdateName,
8703      flag_descriptions::kMessagesForAndroidPermissionUpdateDescription,
8704      kOsAndroid,
8705      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidPermissionUpdate)},
8706     {"messages-for-android-popup-blocked",
8707      flag_descriptions::kMessagesForAndroidPopupBlockedName,
8708      flag_descriptions::kMessagesForAndroidPopupBlockedDescription, kOsAndroid,
8709      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidPopupBlocked)},
8710     {"messages-for-android-pwa-install",
8711      flag_descriptions::kMessagesForAndroidPWAInstallName,
8712      flag_descriptions::kMessagesForAndroidPWAInstallDescription, kOsAndroid,
8713      FEATURE_VALUE_TYPE(webapps::features::kInstallableAmbientBadgeMessage)},
8714     {"messages-for-android-save-card",
8715      flag_descriptions::kMessagesForAndroidSaveCardName,
8716      flag_descriptions::kMessagesForAndroidSaveCardDescription, kOsAndroid,
8717      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidSaveCard)},
8718     {"messages-for-android-stacking-animation",
8719      flag_descriptions::kMessagesForAndroidStackingAnimationName,
8720      flag_descriptions::kMessagesForAndroidStackingAnimationDescription,
8721      kOsAndroid,
8722      FEATURE_VALUE_TYPE(messages::kMessagesForAndroidStackingAnimation)},
8723 #endif
8724
8725 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || \
8726     BUILDFLAG(IS_FUCHSIA)
8727     {"quick-commands", flag_descriptions::kQuickCommandsName,
8728      flag_descriptions::kQuickCommandsDescription, kOsDesktop,
8729      FEATURE_VALUE_TYPE(features::kQuickCommands)},
8730 #endif
8731
8732 #if BUILDFLAG(IS_ANDROID)
8733     {"quick-delete-for-android", flag_descriptions::kQuickDeleteForAndroidName,
8734      flag_descriptions::kQuickDeleteForAndroidDescription, kOsAndroid,
8735      FEATURE_VALUE_TYPE(chrome::android::kQuickDeleteForAndroid)},
8736 #endif  // BUILDFLAG(IS_ANDROID)
8737
8738     {"pwa-update-dialog-for-icon",
8739      flag_descriptions::kPwaUpdateDialogForAppIconName,
8740      flag_descriptions::kPwaUpdateDialogForAppIconDescription, kOsAll,
8741      FEATURE_VALUE_TYPE(features::kPwaUpdateDialogForIcon)},
8742
8743     {"responsive-toolbar", flag_descriptions::kResponsiveToolbarName,
8744      flag_descriptions::kResponsiveToolbarDescription, kOsDesktop,
8745      FEATURE_VALUE_TYPE(features::kResponsiveToolbar)},
8746
8747 #if BUILDFLAG(ENABLE_OOP_PRINTING)
8748     {"enable-oop-print-drivers", flag_descriptions::kEnableOopPrintDriversName,
8749      flag_descriptions::kEnableOopPrintDriversDescription, kOsDesktop,
8750      FEATURE_VALUE_TYPE(printing::features::kEnableOopPrintDrivers)},
8751 #endif
8752
8753 #if BUILDFLAG(IS_ANDROID)
8754     {"media-picker-adoption", flag_descriptions::kMediaPickerAdoptionStudyName,
8755      flag_descriptions::kMediaPickerAdoptionStudyDescription, kOsAndroid,
8756      FEATURE_WITH_PARAMS_VALUE_TYPE(
8757          photo_picker::features::kAndroidMediaPickerAdoption,
8758          kPhotoPickerAdoptionStudyFeatureVariations,
8759          "MediaPickerAdoption")},
8760 #endif  // BUILDFLAG(IS_ANDROID)
8761
8762     {"privacy-sandbox-ads-apis",
8763      flag_descriptions::kPrivacySandboxAdsAPIsOverrideName,
8764      flag_descriptions::kPrivacySandboxAdsAPIsOverrideDescription, kOsAll,
8765      SINGLE_VALUE_TYPE(switches::kEnablePrivacySandboxAdsApis)},
8766
8767     {"privacy-sandbox-settings-4",
8768      flag_descriptions::kPrivacySandboxSettings4Name,
8769      flag_descriptions::kPrivacySandboxSettings4Description, kOsAll,
8770      FEATURE_WITH_PARAMS_VALUE_TYPE(privacy_sandbox::kPrivacySandboxSettings4,
8771                                     kPrivacySandboxSettings4Variations,
8772                                     "PrivacySandboxSettings4")},
8773
8774     {"privacy-sandbox-proactive-topics-blocking",
8775      flag_descriptions::kPrivacySandboxProactiveTopicsBlockingName,
8776      flag_descriptions::kPrivacySandboxProactiveTopicsBlockingDescription,
8777      kOsAll,
8778      FEATURE_VALUE_TYPE(
8779          privacy_sandbox::kPrivacySandboxProactiveTopicsBlocking)},
8780
8781 #if BUILDFLAG(IS_ANDROID)
8782     {"site-data-improvements", flag_descriptions::kSiteDataImprovementsName,
8783      flag_descriptions::kSiteDataImprovementsDescription, kOsAndroid,
8784      FEATURE_VALUE_TYPE(browser_ui::kSiteDataImprovements)},
8785 #endif  // BUILDFLAG(IS_ANDROID)
8786
8787     {"animated-image-resume", flag_descriptions::kAnimatedImageResumeName,
8788      flag_descriptions::kAnimatedImageResumeDescription, kOsAll,
8789      FEATURE_VALUE_TYPE(features::kAnimatedImageResume)},
8790
8791     {"enable-friendlier-safe-browsing-settings-enhanced-protection",
8792      flag_descriptions::
8793          kEnableFriendlierSafeBrowsingSettingsEnhancedProtectionName,
8794      flag_descriptions::
8795          kEnableFriendlierSafeBrowsingSettingsEnhancedProtectionDescription,
8796      kOsAll,
8797      FEATURE_VALUE_TYPE(
8798          safe_browsing::kFriendlierSafeBrowsingSettingsEnhancedProtection)},
8799
8800     {"enable-friendlier-safe-browsing-settings-standard-protection",
8801      flag_descriptions::
8802          kEnableFriendlierSafeBrowsingSettingsStandardProtectionName,
8803      flag_descriptions::
8804          kEnableFriendlierSafeBrowsingSettingsStandardProtectionDescription,
8805      kOsAll,
8806      FEATURE_VALUE_TYPE(
8807          safe_browsing::kFriendlierSafeBrowsingSettingsStandardProtection)},
8808
8809     {"enable-red-interstitial-facelift",
8810      flag_descriptions::kEnableRedInterstitialFaceliftName,
8811      flag_descriptions::kEnableRedInterstitialFaceliftDescription, kOsAll,
8812      FEATURE_VALUE_TYPE(safe_browsing::kRedInterstitialFacelift)},
8813
8814     {"enable-tailored-security-retry-for-sync-users",
8815      flag_descriptions::kTailoredSecurityRetryForSyncUsersName,
8816      flag_descriptions::kTailoredSecurityRetryForSyncUsersDescription, kOsAll,
8817      FEATURE_VALUE_TYPE(safe_browsing::kTailoredSecurityRetryForSyncUsers)},
8818
8819     {"enable-tailored-security-updated-messages",
8820      flag_descriptions::kEnableTailoredSecurityUpdatedMessagesName,
8821      flag_descriptions::kEnableTailoredSecurityUpdatedMessagesDescription,
8822      kOsAll,
8823      FEATURE_VALUE_TYPE(safe_browsing::kTailoredSecurityUpdatedMessages)},
8824
8825 #if !BUILDFLAG(IS_ANDROID)
8826     {"sct-auditing", flag_descriptions::kSCTAuditingName,
8827      flag_descriptions::kSCTAuditingDescription, kOsDesktop,
8828      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kSCTAuditing,
8829                                     kSCTAuditingVariations,
8830                                     "SCTAuditingVariations")},
8831 #endif  // !BUILDFLAG(IS_ANDROID)
8832
8833 #if BUILDFLAG(IS_ANDROID)
8834     // TODO(https://crbug.com/985245): remove flag when API version 33 is the
8835     // lowest supported version.
8836     {"incognito-screenshot", flag_descriptions::kIncognitoScreenshotName,
8837      flag_descriptions::kIncognitoScreenshotDescription, kOsAndroid,
8838      FEATURE_VALUE_TYPE(chrome::android::kIncognitoScreenshot)},
8839
8840     {"incognito-downloads-warning",
8841      flag_descriptions::kIncognitoDownloadsWarningName,
8842      flag_descriptions::kIncognitoDownloadsWarningDescription, kOsAndroid,
8843      FEATURE_VALUE_TYPE(features::kIncognitoDownloadsWarning)},
8844 #endif
8845
8846     {"incognito-ntp-revamp", flag_descriptions::kIncognitoNtpRevampName,
8847      flag_descriptions::kIncognitoNtpRevampDescription, kOsAll,
8848      FEATURE_VALUE_TYPE(features::kIncognitoNtpRevamp)},
8849
8850     {"insecure-download-warnings",
8851      flag_descriptions::kInsecureDownloadWarningsName,
8852      flag_descriptions::kInsecureDownloadWarningsDescription, kOsAll,
8853      FEATURE_VALUE_TYPE(features::kInsecureDownloadWarnings)},
8854
8855     {"show-performance-metrics-hud",
8856      flag_descriptions::kShowPerformanceMetricsHudName,
8857      flag_descriptions::kShowPerformanceMetricsHudDescription, kOsAll,
8858      FEATURE_VALUE_TYPE(features::kHudDisplayForPerformanceMetrics)},
8859
8860 #if BUILDFLAG(IS_CHROMEOS_ASH)
8861     {"disable-buffer-bw-compression",
8862      flag_descriptions::kDisableBufferBWCompressionName,
8863      flag_descriptions::kDisableBufferBWCompressionDescription, kOsCrOS,
8864      SINGLE_VALUE_TYPE(switches::kDisableBufferBWCompression)},
8865 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8866
8867     {"enable-speculation-rules-prerendering-target-hint",
8868      flag_descriptions::kSpeculationRulesPrerenderingTargetHintName,
8869      flag_descriptions::kSpeculationRulesPrerenderingTargetHintDescription,
8870      kOsAll, FEATURE_VALUE_TYPE(blink::features::kPrerender2InNewTab)},
8871
8872     {"search-suggestion-for-prerender2",
8873      flag_descriptions::kSupportSearchSuggestionForPrerender2Name,
8874      flag_descriptions::kSupportSearchSuggestionForPrerender2Description,
8875      kOsAll,
8876      FEATURE_VALUE_TYPE(features::kSupportSearchSuggestionForPrerender2)},
8877
8878     {"omnibox-search-prefetch",
8879      flag_descriptions::kEnableOmniboxSearchPrefetchName,
8880      flag_descriptions::kEnableOmniboxSearchPrefetchDescription, kOsAll,
8881      FEATURE_WITH_PARAMS_VALUE_TYPE(kSearchPrefetchServicePrefetching,
8882                                     kSearchPrefetchServicePrefetchingVariations,
8883                                     "SearchSuggestionPrefetch")},
8884     {"omnibox-search-client-prefetch",
8885      flag_descriptions::kEnableOmniboxClientSearchPrefetchName,
8886      flag_descriptions::kEnableOmniboxClientSearchPrefetchDescription, kOsAll,
8887      FEATURE_VALUE_TYPE(kSearchNavigationPrefetch)},
8888
8889     {"chrome-labs", flag_descriptions::kChromeLabsName,
8890      flag_descriptions::kChromeLabsDescription, kOsDesktop,
8891      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kChromeLabs,
8892                                     kChromeLabsVariations,
8893                                     "ChromeLabs")},
8894
8895     {flag_descriptions::kChromeRefresh2023Id,
8896      flag_descriptions::kChromeRefresh2023Name,
8897      flag_descriptions::kChromeRefresh2023Description, kOsDesktop,
8898      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kChromeRefresh2023,
8899                                     kChromeRefresh2023Variations,
8900                                     "ChromeRefresh2023")},
8901
8902     {"chrome-webui-refresh-2023",
8903      flag_descriptions::kChromeWebuiRefresh2023Name,
8904      flag_descriptions::kChromeWebuiRefresh2023Description, kOsDesktop,
8905      FEATURE_VALUE_TYPE(features::kChromeWebuiRefresh2023)},
8906
8907     {"chrome-refresh-2023-ntb", flag_descriptions::kChromeRefresh2023NTBName,
8908      flag_descriptions::kChromeRefresh2023NTBDescription, kOsDesktop,
8909      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kChromeRefresh2023NTB,
8910                                     kChromeRefresh2023NTBVariations,
8911                                     "ChromeRefresh2023NTBVariations")},
8912
8913     {"chrome-refresh-2023-top-chrome-font",
8914      flag_descriptions::kChromeRefresh2023TopChromeFontName,
8915      flag_descriptions::kChromeRefresh2023TopChromeFontDescription, kOsDesktop,
8916      FEATURE_VALUE_TYPE(features::kChromeRefresh2023TopChromeFont)},
8917
8918 #if BUILDFLAG(IS_ANDROID)
8919     {"autofill-enable-offers-in-clank-keyboard-accessory",
8920      flag_descriptions::kAutofillEnableOffersInClankKeyboardAccessoryName,
8921      flag_descriptions::
8922          kAutofillEnableOffersInClankKeyboardAccessoryDescription,
8923      kOsAndroid,
8924      FEATURE_VALUE_TYPE(
8925          autofill::features::kAutofillEnableOffersInClankKeyboardAccessory)},
8926 #endif
8927
8928 #if BUILDFLAG(ENABLE_PDF)
8929
8930 #if !BUILDFLAG(IS_ANDROID)
8931     // TODO(https://crbug.com/1443341): Add Windows once library supports it.
8932     {"pdf-ocr", flag_descriptions::kPdfOcrName,
8933      flag_descriptions::kPdfOcrDescription,
8934      kOsMac | kOsLinux | kOsCrOS | kOsLacros,
8935      FEATURE_VALUE_TYPE(features::kPdfOcr)},
8936 #endif  // !BUILDFLAG(IS_ANDROID)
8937
8938     {"pdf-xfa-forms", flag_descriptions::kPdfXfaFormsName,
8939      flag_descriptions::kPdfXfaFormsDescription, kOsDesktop,
8940      FEATURE_VALUE_TYPE(chrome_pdf::features::kPdfXfaSupport)},
8941 #endif  // BUILDFLAG(ENABLE_PDF)
8942
8943 #if BUILDFLAG(IS_CHROMEOS_ASH)
8944     {"backlight-ocr", flag_descriptions::kBacklightOcrName,
8945      flag_descriptions::kBacklightOcrDescription, kOsCrOS | kOsLacros,
8946      FEATURE_VALUE_TYPE(features::kBacklightOcr)},
8947 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8948
8949 #if BUILDFLAG(IS_ANDROID)
8950     {"send-tab-to-self-v2", flag_descriptions::kSendTabToSelfV2Name,
8951      flag_descriptions::kSendTabToSelfV2Description, kOsAndroid,
8952      FEATURE_VALUE_TYPE(send_tab_to_self::kSendTabToSelfV2)},
8953 #endif  // BUILDFLAG(IS_ANDROID)
8954
8955     {"enable-managed-configuration-web-api",
8956      flag_descriptions::kEnableManagedConfigurationWebApiName,
8957      flag_descriptions::kEnableManagedConfigurationWebApiDescription, kOsCrOS,
8958      FEATURE_VALUE_TYPE(blink::features::kManagedConfiguration)},
8959
8960     {"enable-system-entropy",
8961      flag_descriptions::kEnableSystemEntropyOnPerformanceNavigationTimingName,
8962      flag_descriptions::
8963          kEnableSystemEntropyOnPerformanceNavigationTimingDescription,
8964      kOsAll,
8965      FEATURE_VALUE_TYPE(blink::features::kPerformanceNavigateSystemEntropy)},
8966
8967     {"clear-cross-site-cross-browsing-context-group-window-name",
8968      flag_descriptions::kClearCrossSiteCrossBrowsingContextGroupWindowNameName,
8969      flag_descriptions::
8970          kClearCrossSiteCrossBrowsingContextGroupWindowNameDescription,
8971      kOsAll,
8972      FEATURE_VALUE_TYPE(
8973          features::kClearCrossSiteCrossBrowsingContextGroupWindowName)},
8974
8975 #if BUILDFLAG(IS_CHROMEOS)
8976     {kTaskManagerEndProcessDisabledForExtensionInternalName,
8977      flag_descriptions::kTaskManagerEndProcessDisabledForExtensionName,
8978      flag_descriptions::kTaskManagerEndProcessDisabledForExtensionDescription,
8979      kOsCrOS | kOsLacros,
8980      FEATURE_VALUE_TYPE(features::kDesktopPWAsRunOnOsLogin)},
8981 #endif  // BUILDFLAG(IS_CHROMEOS)
8982
8983 #if BUILDFLAG(IS_CHROMEOS_ASH)
8984     {kWallpaperFastRefreshInternalName,
8985      flag_descriptions::kWallpaperFastRefreshName,
8986      flag_descriptions::kWallpaperFastRefreshDescription, kOsCrOS,
8987      FEATURE_VALUE_TYPE(ash::features::kWallpaperFastRefresh)},
8988     {kWallpaperGooglePhotosSharedAlbumsInternalName,
8989      flag_descriptions::kWallpaperGooglePhotosSharedAlbumsName,
8990      flag_descriptions::kWallpaperGooglePhotosSharedAlbumsDescription, kOsCrOS,
8991      FEATURE_VALUE_TYPE(ash::features::kWallpaperGooglePhotosSharedAlbums)},
8992     {kWallpaperPerDeskName, flag_descriptions::kWallpaperPerDeskName,
8993      flag_descriptions::kWallpaperPerDeskDescription, kOsCrOS,
8994      FEATURE_VALUE_TYPE(ash::features::kWallpaperPerDesk)},
8995 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
8996
8997 #if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
8998     {"enable-get-all-screens-media", flag_descriptions::kGetAllScreensMediaName,
8999      flag_descriptions::kGetAllScreensMediaDescription,
9000      kOsCrOS | kOsLacros | kOsLinux,
9001      FEATURE_VALUE_TYPE(blink::features::kGetAllScreensMedia)},
9002 #endif  // BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
9003
9004 #if BUILDFLAG(IS_CHROMEOS)
9005     {"enable-run-on-os-login", flag_descriptions::kRunOnOsLoginName,
9006      flag_descriptions::kRunOnOsLoginDescription, kOsCrOS | kOsLacros,
9007      FEATURE_VALUE_TYPE(features::kDesktopPWAsRunOnOsLogin)},
9008     {"enable-prevent-close", flag_descriptions::kPreventCloseName,
9009      flag_descriptions::kPreventCloseDescription, kOsCrOS | kOsLacros,
9010      FEATURE_VALUE_TYPE(features::kDesktopPWAsPreventClose)},
9011
9012     {"enable-cloud-identifiers",
9013      flag_descriptions::kFileSystemAccessGetCloudIdentifiersName,
9014      flag_descriptions::kFileSystemAccessGetCloudIdentifiersDescription,
9015      kOsCrOS | kOsLacros,
9016      FEATURE_VALUE_TYPE(blink::features::kFileSystemAccessGetCloudIdentifiers)},
9017
9018     {"lacros-color-management", flag_descriptions::kLacrosColorManagementName,
9019      flag_descriptions::kLacrosColorManagementDescription, kOsLacros,
9020      FEATURE_VALUE_TYPE(features::kLacrosColorManagement)},
9021
9022     {"preinstalled-web-app-window-experiment",
9023      flag_descriptions::kPreinstalledWebAppWindowExperimentName,
9024      flag_descriptions::kPreinstalledWebAppWindowExperimentDescription,
9025      kOsCrOS | kOsLacros,
9026      FEATURE_WITH_PARAMS_VALUE_TYPE(
9027          features::kPreinstalledWebAppWindowExperiment,
9028          kPreinstalledWebAppWindowExperimentVariations,
9029          "PreinstalledWebAppWindowExperimentVariations")},
9030 #endif  // BUILDFLAG(IS_CHROMEOS)
9031
9032     {"enable-global-vaapi-lock", flag_descriptions::kGlobalVaapiLockName,
9033      flag_descriptions::kGlobalVaapiLockDescription,
9034      kOsCrOS | kOsLinux | kOsLacros,
9035      FEATURE_VALUE_TYPE(media::kGlobalVaapiLock)},
9036
9037 #if BUILDFLAG(IS_WIN) ||                                      \
9038     (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)) || \
9039     BUILDFLAG(IS_MAC) || BUILDFLAG(IS_FUCHSIA)
9040     {
9041         "ui-debug-tools",
9042         flag_descriptions::kUIDebugToolsName,
9043         flag_descriptions::kUIDebugToolsDescription,
9044         kOsWin | kOsLinux | kOsLacros | kOsMac | kOsFuchsia,
9045         FEATURE_VALUE_TYPE(features::kUIDebugTools),
9046     },
9047
9048     {"sync-poll-immediately-on-every-startup",
9049      flag_descriptions::kSyncPollImmediatelyOnEveryStartupName,
9050      flag_descriptions::kSyncPollImmediatelyOnEveryStartupDescription,
9051      kOsDesktop,
9052      FEATURE_VALUE_TYPE(syncer::kSyncPollImmediatelyOnEveryStartup)},
9053 #endif
9054     {"http-cache-partitioning",
9055      flag_descriptions::kSplitCacheByNetworkIsolationKeyName,
9056      flag_descriptions::kSplitCacheByNetworkIsolationKeyDescription,
9057      kOsWin | kOsLinux | kOsLacros | kOsMac | kOsCrOS | kOsAndroid | kOsFuchsia,
9058      FEATURE_VALUE_TYPE(net::features::kSplitCacheByNetworkIsolationKey)},
9059
9060 #if BUILDFLAG(IS_ANDROID)
9061     {"content-languages-in-language-picker",
9062      flag_descriptions::kContentLanguagesInLanguagePickerName,
9063      flag_descriptions::kContentLanguagesInLanguagePickerDescription,
9064      kOsAndroid,
9065      FEATURE_WITH_PARAMS_VALUE_TYPE(language::kContentLanguagesInLanguagePicker,
9066                                     kContentLanguagesInLanguaePickerVariations,
9067                                     "ContentLanguagesInLanguagePicker")},
9068 #endif
9069
9070 #if !BUILDFLAG(IS_ANDROID)
9071     {"filling-across-grouped-sites",
9072      flag_descriptions::kFillingAcrossGroupedSitesName,
9073      flag_descriptions::kFillingAcrossGroupedSitesDescription, kOsDesktop,
9074      FEATURE_VALUE_TYPE(
9075          password_manager::features::kFillingAcrossGroupedSites)},
9076 #endif  // !BUILDFLAG(IS_ANDROID)
9077
9078     {"draw-predicted-ink-point", flag_descriptions::kDrawPredictedPointsName,
9079      flag_descriptions::kDrawPredictedPointsDescription, kOsAll,
9080      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kDrawPredictedInkPoint,
9081                                     kDrawPredictedPointVariations,
9082                                     "DrawPredictedInkPoint")},
9083
9084 #if BUILDFLAG(IS_ANDROID)
9085     {"optimization-guide-personalized-fetching",
9086      flag_descriptions::kOptimizationGuidePersonalizedFetchingName,
9087      flag_descriptions::kOptimizationGuidePersonalizedFetchingDescription,
9088      kOsAndroid,
9089      FEATURE_WITH_PARAMS_VALUE_TYPE(
9090          optimization_guide::features::kOptimizationGuidePersonalizedFetching,
9091          kOptimizationGuidePersonalizedFetchingAllowPageInsightsVariations,
9092          "OptimizationGuidePersonalizedFetchingAllowPageInsights")},
9093     {"optimization-guide-push-notifications",
9094      flag_descriptions::kOptimizationGuidePushNotificationName,
9095      flag_descriptions::kOptimizationGuidePushNotificationDescription,
9096      kOsAndroid,
9097      FEATURE_VALUE_TYPE(optimization_guide::features::kPushNotifications)},
9098 #endif
9099
9100     {"fedcm-authz", flag_descriptions::kFedCmAuthzName,
9101      flag_descriptions::kFedCmAuthzDescription, kOsDesktop,
9102      FEATURE_VALUE_TYPE(features::kFedCmAuthz)},
9103
9104     {"fedcm-auto-selected-flag", flag_descriptions::kFedCmAutoSelectedFlagName,
9105      flag_descriptions::kFedCmAutoSelectedFlagDescription, kOsAll,
9106      FEATURE_VALUE_TYPE(features::kFedCmAutoSelectedFlag)},
9107
9108     {"fedcm-error", flag_descriptions::kFedCmErrorName,
9109      flag_descriptions::kFedCmErrorDescription, kOsAll,
9110      FEATURE_VALUE_TYPE(features::kFedCmError)},
9111
9112     {"fedcm-domain-hint", flag_descriptions::kFedCmDomainHintName,
9113      flag_descriptions::kFedCmDomainHintDescription, kOsAll,
9114      FEATURE_VALUE_TYPE(features::kFedCmDomainHint)},
9115
9116     {"fedcm-idp-registration", flag_descriptions::kFedCmIdPRegistrationName,
9117      flag_descriptions::kFedCmIdPRegistrationDescription, kOsDesktop,
9118      FEATURE_VALUE_TYPE(features::kFedCmIdPRegistration)},
9119
9120     {"fedcm-idp-signin-status-api",
9121      flag_descriptions::kFedCmIdpSigninStatusName,
9122      flag_descriptions::kFedCmIdpSigninStatusDescription, kOsAll,
9123      FEATURE_VALUE_TYPE(features::kFedCmIdpSigninStatusEnabled)},
9124
9125     {"fedcm-logout-rps", flag_descriptions::kFedCmLogoutRpsName,
9126      flag_descriptions::kFedCmLogoutRpsDescription, kOsAll,
9127      FEATURE_VALUE_TYPE(features::kFedCmLogoutRps)},
9128
9129     {"fedcm-metrics-endpoint", flag_descriptions::kFedCmMetricsEndpointName,
9130      flag_descriptions::kFedCmMetricsEndpointDescription, kOsAll,
9131      FEATURE_VALUE_TYPE(features::kFedCmMetricsEndpoint)},
9132
9133     {"fedcm-multi-idp", flag_descriptions::kFedCmMultiIdpName,
9134      flag_descriptions::kFedCmMultiIdpDescription, kOsDesktop,
9135      FEATURE_VALUE_TYPE(features::kFedCmMultipleIdentityProviders)},
9136
9137     {"fedcm-revoke", flag_descriptions::kFedCmRevokeName,
9138      flag_descriptions::kFedCmRevokeDescription, kOsAll,
9139      FEATURE_VALUE_TYPE(features::kFedCmRevoke)},
9140
9141     {"fedcm-selective-disclosure",
9142      flag_descriptions::kFedCmSelectiveDisclosureName,
9143      flag_descriptions::kFedCmSelectiveDisclosureDescription, kOsAll,
9144      FEATURE_VALUE_TYPE(features::kFedCmSelectiveDisclosure)},
9145
9146     {"fedcm-without-third-party-cookies",
9147      flag_descriptions::kFedCmWithoutThirdPartyCookiesName,
9148      flag_descriptions::kFedCmWithoutThirdPartyCookiesDescription, kOsAll,
9149      FEATURE_VALUE_TYPE(features::kFedCmWithoutThirdPartyCookies)},
9150
9151     {"fedcm-without-well-known-enforcement",
9152      flag_descriptions::kFedCmWithoutWellKnownEnforcementName,
9153      flag_descriptions::kFedCmWithoutWellKnownEnforcementDescription, kOsAll,
9154      FEATURE_VALUE_TYPE(features::kFedCmWithoutWellKnownEnforcement)},
9155
9156     {"web-identity-digital-credentials",
9157      flag_descriptions::kWebIdentityDigitalCredentialsName,
9158      flag_descriptions::kWebIdentityDigitalCredentialsDescription, kOsAndroid,
9159      FEATURE_VALUE_TYPE(features::kWebIdentityDigitalCredentials)},
9160
9161 #if BUILDFLAG(IS_CHROMEOS_ASH)
9162     {"bluetooth-sessionized-metrics",
9163      flag_descriptions::kBluetoothSessionizedMetricsName,
9164      flag_descriptions::kBluetoothSessionizedMetricsDescription, kOsCrOS,
9165      FEATURE_VALUE_TYPE(metrics::structured::kBluetoothSessionizedMetrics)},
9166 #endif
9167
9168     {"autofill-highlight-only-changed-value-in-preview-mode",
9169      flag_descriptions::kAutofillHighlightOnlyChangedValuesInPreviewModeName,
9170      flag_descriptions::
9171          kAutofillHighlightOnlyChangedValuesInPreviewModeDescription,
9172      kOsDesktop,
9173      FEATURE_VALUE_TYPE(
9174          autofill::features::kAutofillHighlightOnlyChangedValuesInPreviewMode)},
9175
9176     {"sanitizer-api", flag_descriptions::kSanitizerApiName,
9177      flag_descriptions::kSanitizerApiDescription, kOsAll,
9178      FEATURE_VALUE_TYPE(blink::features::kSanitizerAPI)},
9179
9180 #if BUILDFLAG(IS_CHROMEOS_ASH)
9181     {"enable-input-event-logging",
9182      flag_descriptions::kEnableInputEventLoggingName,
9183      flag_descriptions::kEnableInputEventLoggingDescription, kOsCrOS,
9184      FEATURE_VALUE_TYPE(ui::kEnableInputEventLogging)},
9185 #endif
9186
9187     {"autofill-enable-sticky-manual-fallback-for-cards",
9188      flag_descriptions::kAutofillEnableStickyManualFallbackForCardsName,
9189      flag_descriptions::kAutofillEnableStickyManualFallbackForCardsDescription,
9190      kOsAndroid,
9191      FEATURE_VALUE_TYPE(
9192          autofill::features::kAutofillEnableStickyManualFallbackForCards)},
9193
9194     {"autofill-prevent-overriding-prefilled-values",
9195      flag_descriptions::kAutofillPreventOverridingPrefilledValuesName,
9196      flag_descriptions::kAutofillPreventOverridingPrefilledValuesDescription,
9197      kOsDesktop | kOsAndroid,
9198      FEATURE_VALUE_TYPE(
9199          autofill::features::kAutofillPreventOverridingPrefilledValues)},
9200
9201     {"autofill-show-autocomplete-delete-button",
9202      flag_descriptions::kAutofillShowAutocompleteDeleteButtonName,
9203      flag_descriptions::kAutofillShowAutocompleteDeleteButtonDescription,
9204      kOsDesktop,
9205      FEATURE_VALUE_TYPE(
9206          autofill::features::kAutofillShowAutocompleteDeleteButton)},
9207
9208     {flag_descriptions::kEnableLensStandaloneFlagId,
9209      flag_descriptions::kEnableLensStandaloneName,
9210      flag_descriptions::kEnableLensStandaloneDescription, kOsDesktop,
9211      FEATURE_VALUE_TYPE(lens::features::kLensStandalone)},
9212
9213 #if BUILDFLAG(ENABLE_LENS_DESKTOP_GOOGLE_BRANDED_FEATURES)
9214     {"csc-companion-enable-page-content",
9215      flag_descriptions::kCscCompanionEnablePageContentName,
9216      flag_descriptions::kCscCompanionEnablePageContentDescription, kOsDesktop,
9217      FEATURE_VALUE_TYPE(companion::features::kCompanionEnablePageContent)},
9218
9219     {"csc-force-companion-pinned-state",
9220      flag_descriptions::kCscForceCompanionPinnedStateName,
9221      flag_descriptions::kCscForceCompanionPinnedStateDescription, kOsDesktop,
9222      MULTI_VALUE_TYPE(kForceCompanionPinnedStateChoices)},
9223
9224     {"csc-side-panel-companion", flag_descriptions::kCscSidePanelCompanionName,
9225      flag_descriptions::kCscSidePanelCompanionDescription, kOsDesktop,
9226      FEATURE_WITH_PARAMS_VALUE_TYPE(
9227          companion::features::internal::kSidePanelCompanion,
9228          kSidePanelCompanionVariations,
9229          "CSC")},
9230
9231     {"csc-visual-search-suggestions",
9232      flag_descriptions::kCscVisualSearchSuggestionsName,
9233      flag_descriptions::kCscVisualSearchSuggestionsDescription, kOsDesktop,
9234      FEATURE_VALUE_TYPE(
9235          companion::visual_search::features::kVisualSearchSuggestions)},
9236
9237     {"enable-lens-region-search-static-page",
9238      flag_descriptions::kLensRegionSearchStaticPageName,
9239      flag_descriptions::kLensRegionSearchStaticPageDescription, kOsDesktop,
9240      FEATURE_VALUE_TYPE(lens::features::kLensRegionSearchStaticPage)},
9241 #endif  // BUILDFLAG(ENABLE_LENS_DESKTOP_GOOGLE_BRANDED_FEATURES)
9242
9243     {"enable-lens-image-format-optimizations",
9244      flag_descriptions::kLensImageFormatOptimizationsName,
9245      flag_descriptions::kLensImageFormatOptimizationsDescription, kOsDesktop,
9246      FEATURE_WITH_PARAMS_VALUE_TYPE(
9247          lens::features::kLensImageFormatOptimizations,
9248          kLensImageFormatVariations,
9249          "LensImageFormatOptimizations")},
9250
9251     {"enable-lens-image-translate", flag_descriptions::kLensImageTranslateName,
9252      flag_descriptions::kLensImageTranslateDescription, kOsDesktop,
9253      FEATURE_VALUE_TYPE(lens::features::kEnableImageTranslate)},
9254
9255     {"enable-lens-ping", flag_descriptions::kEnableLensPingName,
9256      flag_descriptions::kEnableLensPingDescription, kOsDesktop,
9257      FEATURE_WITH_PARAMS_VALUE_TYPE(lens::features::kEnableLensPing,
9258                                     kLensPingVariations,
9259                                     "EnableLensPing")},
9260
9261 #if BUILDFLAG(IS_ANDROID)
9262     {"biometric-reauth-password-filling",
9263      flag_descriptions::kBiometricReauthForPasswordFillingName,
9264      flag_descriptions::kBiometricReauthForPasswordFillingDescription,
9265      kOsAndroid,
9266      FEATURE_VALUE_TYPE(password_manager::features::kBiometricTouchToFill)},
9267 #endif
9268
9269 #if !BUILDFLAG(IS_ANDROID) && BUILDFLAG(GOOGLE_CHROME_BRANDING)
9270     {"ios-promo-password-bubble",
9271      flag_descriptions::kIOSPromoPasswordBubbleName,
9272      flag_descriptions::kIOSPromoPasswordBubbleDecription, kOsDesktop,
9273      FEATURE_WITH_PARAMS_VALUE_TYPE(promos_features::kIOSPromoPasswordBubble,
9274                                     kIOSPromoPasswordBubbleVariations,
9275                                     "IOSPromoPasswordBubble")},
9276 #endif
9277
9278 #if BUILDFLAG(IS_CHROMEOS_ASH)
9279     {"enable-keyboard-backlight-toggle",
9280      flag_descriptions::kEnableKeyboardBacklightToggleName,
9281      flag_descriptions::kEnableKeyboardBacklightToggleDescription, kOsCrOS,
9282      FEATURE_VALUE_TYPE(ash::features::kEnableKeyboardBacklightToggle)},
9283 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9284
9285     {"align-wakeups", flag_descriptions::kAlignWakeUpsName,
9286      flag_descriptions::kAlignWakeUpsDescription, kOsAll,
9287      FEATURE_VALUE_TYPE(base::kAlignWakeUps)},
9288
9289     {"enable-throttle-display-none-and-visibility-hidden-cross-origin-iframes",
9290      flag_descriptions::
9291          kThrottleDisplayNoneAndVisibilityHiddenCrossOriginIframesName,
9292      flag_descriptions::
9293          kThrottleDisplayNoneAndVisibilityHiddenCrossOriginIframesDescription,
9294      kOsDesktop | kOsAndroid,
9295      FEATURE_VALUE_TYPE(
9296          blink::features::
9297              kThrottleDisplayNoneAndVisibilityHiddenCrossOriginIframes)},
9298
9299     {"enable-new-base-url-inheritance-behavior",
9300      flag_descriptions::kNewBaseUrlInheritanceBehaviorName,
9301      flag_descriptions::kNewBaseUrlInheritanceBehaviorDescription,
9302      kOsDesktop | kOsAndroid,
9303      FEATURE_VALUE_TYPE(blink::features::kNewBaseUrlInheritanceBehavior)},
9304
9305 #if BUILDFLAG(ENABLE_VALIDATING_COMMAND_DECODER)
9306     {"use-passthrough-command-decoder",
9307      flag_descriptions::kUsePassthroughCommandDecoderName,
9308      flag_descriptions::kUsePassthroughCommandDecoderDescription, kOsAll,
9309      FEATURE_VALUE_TYPE(features::kDefaultPassthroughCommandDecoder)},
9310 #endif  // BUILDFLAG(ENABLE_VALIDATING_COMMAND_DECODER)
9311
9312 #if BUILDFLAG(IS_CHROMEOS_ASH)
9313     {"focus-follows-cursor", flag_descriptions::kFocusFollowsCursorName,
9314      flag_descriptions::kFocusFollowsCursorDescription, kOsCrOS,
9315      FEATURE_VALUE_TYPE(::features::kFocusFollowsCursor)},
9316 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9317
9318 #if !BUILDFLAG(IS_ANDROID)
9319     {"password-generation-experiment",
9320      flag_descriptions::kPasswordGenerationExperimentName,
9321      flag_descriptions::kPasswordGenerationExperimentDescription, kOsDesktop,
9322      FEATURE_WITH_PARAMS_VALUE_TYPE(
9323          password_manager::features::kPasswordGenerationExperiment,
9324          kPasswordGenerationExperimentVariations,
9325          "PasswordGenerationExperiment")},
9326 #endif
9327
9328 #if BUILDFLAG(IS_CHROMEOS)
9329     {"local-printer-observing", flag_descriptions::kLocalPrinterObservingName,
9330      flag_descriptions::kLocalPrinterObservingDescription, kOsCrOS | kOsLacros,
9331      FEATURE_VALUE_TYPE(features::kLocalPrinterObserving)},
9332     {"print-preview-setup-assistance",
9333      flag_descriptions::kPrintPreviewSetupAssistanceName,
9334      flag_descriptions::kPrintPreviewSetupAssistanceDescription,
9335      kOsCrOS | kOsLacros,
9336      FEATURE_VALUE_TYPE(features::kPrintPreviewSetupAssistance)},
9337 #endif
9338
9339 #if !BUILDFLAG(IS_ANDROID)
9340     {"cbd-timeframe-required", flag_descriptions::kCbdTimeframeRequiredName,
9341      flag_descriptions::kCbdTimeframeRequiredDescription, kOsDesktop,
9342      FEATURE_VALUE_TYPE(features::kCbdTimeframeRequired)},
9343 #endif
9344
9345 #if BUILDFLAG(IS_ANDROID)
9346     {"privacy-guide-android", flag_descriptions::kPrivacyGuideAndroidName,
9347      flag_descriptions::kPrivacyGuideAndroidDescription, kOsAndroid,
9348      FEATURE_VALUE_TYPE(features::kPrivacyGuideAndroid)},
9349 #endif
9350
9351 #if BUILDFLAG(IS_ANDROID)
9352     {"privacy-guide-android-3", flag_descriptions::kPrivacyGuideAndroid3Name,
9353      flag_descriptions::kPrivacyGuideAndroid3Description, kOsAndroid,
9354      FEATURE_VALUE_TYPE(features::kPrivacyGuideAndroid3)},
9355 #endif
9356
9357     {"privacy-guide-3", flag_descriptions::kPrivacyGuide3Name,
9358      flag_descriptions::kPrivacyGuide3Description, kOsDesktop,
9359      FEATURE_VALUE_TYPE(features::kPrivacyGuide3)},
9360
9361     {"privacy-guide-preload", flag_descriptions::kPrivacyGuidePreloadName,
9362      flag_descriptions::kPrivacyGuidePreloadDescription, kOsDesktop,
9363      FEATURE_VALUE_TYPE(features::kPrivacyGuidePreload)},
9364
9365 #if BUILDFLAG(IS_ANDROID)
9366     {"privacy-guide-preload-android",
9367      flag_descriptions::kPrivacyGuidePreloadAndroidName,
9368      flag_descriptions::kPrivacyGuidePreloadAndroidDescription, kOsAndroid,
9369      FEATURE_VALUE_TYPE(features::kPrivacyGuidePreloadAndroid)},
9370 #endif
9371
9372     {"tab-search-fuzzy-search", flag_descriptions::kTabSearchFuzzySearchName,
9373      flag_descriptions::kTabSearchFuzzySearchDescription, kOsDesktop,
9374      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kTabSearchFuzzySearch,
9375                                     kTabSearchSearchThresholdVariations,
9376                                     "TabSearchFuzzySearch")},
9377
9378 #if BUILDFLAG(IS_CHROMEOS_ASH)
9379     {"enable-phone-hub-call-notification",
9380      flag_descriptions::kPhoneHubCallNotificationName,
9381      flag_descriptions::kPhoneHubCallNotificationDescription, kOsCrOS,
9382      FEATURE_VALUE_TYPE(ash::features::kPhoneHubCallNotification)},
9383 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9384
9385     {"test-third-party-cookie-phaseout",
9386      flag_descriptions::kTestThirdPartyCookiePhaseoutName,
9387      flag_descriptions::kTestThirdPartyCookiePhaseoutDescription, kOsAll,
9388      SINGLE_VALUE_TYPE(network::switches::kTestThirdPartyCookiePhaseout)},
9389
9390     {"third-party-storage-partitioning",
9391      flag_descriptions::kThirdPartyStoragePartitioningName,
9392      flag_descriptions::kThirdPartyStoragePartitioningDescription, kOsAll,
9393      FEATURE_VALUE_TYPE(net::features::kThirdPartyStoragePartitioning)},
9394
9395     {"tpc-phase-out-facilitated-testing",
9396      flag_descriptions::kTPCPhaseOutFacilitatedTestingName,
9397      flag_descriptions::kTPCPhaseOutFacilitatedTestingDescription, kOsAll,
9398      FEATURE_WITH_PARAMS_VALUE_TYPE(
9399          features::kCookieDeprecationFacilitatedTesting,
9400          kTPCPhaseOutFacilitatedTestingVariations,
9401          "TPCPhaseOutFacilitatedTesting")},
9402
9403     {"tpcd-heuristics-grants", flag_descriptions::kTpcdHeuristicsGrantsName,
9404      flag_descriptions::kTpcdHeuristicsGrantsDescription, kOsAll,
9405      FEATURE_WITH_PARAMS_VALUE_TYPE(
9406          content_settings::features::kTpcdHeuristicsGrants,
9407          kTpcdHeuristicsGrantsVariations,
9408          "TpcdHeuristicsGrants")},
9409
9410     {"bounce-tracking-mitigations", flag_descriptions::kDIPSName,
9411      flag_descriptions::kDIPSDescription, kOsAll,
9412      FEATURE_VALUE_TYPE(features::kDIPS)},
9413
9414 #if BUILDFLAG(IS_CHROMEOS_ASH)
9415     {kBorealisBigGlInternalName, flag_descriptions::kBorealisBigGlName,
9416      flag_descriptions::kBorealisBigGlDescription, kOsCrOS,
9417      FEATURE_VALUE_TYPE(ash::features::kBorealisBigGl)},
9418     {kBorealisDGPUInternalName, flag_descriptions::kBorealisDGPUName,
9419      flag_descriptions::kBorealisDGPUDescription, kOsCrOS,
9420      FEATURE_VALUE_TYPE(ash::features::kBorealisDGPU)},
9421     {kBorealisForceBetaClientInternalName,
9422      flag_descriptions::kBorealisForceBetaClientName,
9423      flag_descriptions::kBorealisForceBetaClientDescription, kOsCrOS,
9424      FEATURE_VALUE_TYPE(ash::features::kBorealisForceBetaClient)},
9425     {kBorealisForceDoubleScaleInternalName,
9426      flag_descriptions::kBorealisForceDoubleScaleName,
9427      flag_descriptions::kBorealisForceDoubleScaleDescription, kOsCrOS,
9428      FEATURE_VALUE_TYPE(ash::features::kBorealisForceDoubleScale)},
9429     {kBorealisLinuxModeInternalName, flag_descriptions::kBorealisLinuxModeName,
9430      flag_descriptions::kBorealisLinuxModeDescription, kOsCrOS,
9431      FEATURE_VALUE_TYPE(ash::features::kBorealisLinuxMode)},
9432     {kBorealisPermittedInternalName, flag_descriptions::kBorealisPermittedName,
9433      flag_descriptions::kBorealisPermittedDescription, kOsCrOS,
9434      FEATURE_VALUE_TYPE(ash::features::kBorealisPermitted)},
9435     {kBorealisProvisionInternalName, flag_descriptions::kBorealisProvisionName,
9436      flag_descriptions::kBorealisProvisionDescription, kOsCrOS,
9437      FEATURE_VALUE_TYPE(ash::features::kBorealisProvision)},
9438     {kBorealisWebUIInstallerInternalName,
9439      flag_descriptions::kBorealisWebUIInstallerName,
9440      flag_descriptions::kBorealisWebUIInstallerDescription, kOsCrOS,
9441      FEATURE_VALUE_TYPE(ash::features::kBorealisWebUIInstaller)},
9442     {kVmPerBootShaderCacheName, flag_descriptions::kVmPerBootShaderCacheName,
9443      flag_descriptions::kVmPerBootShaderCacheDescription, kOsCrOS,
9444      FEATURE_VALUE_TYPE(ash::features::kVmPerBootShaderCache)},
9445 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9446
9447     {"https-first-mode-v2-for-engaged-sites",
9448      flag_descriptions::kHttpsFirstModeV2ForEngagedSitesName,
9449      flag_descriptions::kHttpsFirstModeV2ForEngagedSitesDescription,
9450      kOsDesktop | kOsAndroid,
9451      FEATURE_VALUE_TYPE(features::kHttpsFirstModeV2ForEngagedSites)},
9452
9453     {"https-upgrades", flag_descriptions::kHttpsUpgradesName,
9454      flag_descriptions::kHttpsUpgradesDescription, kOsDesktop | kOsAndroid,
9455      FEATURE_VALUE_TYPE(features::kHttpsUpgrades)},
9456
9457 #if BUILDFLAG(IS_ANDROID)
9458     {"omnibox-2023-refresh-connection-security-indicators",
9459      flag_descriptions::kOmnibox2023RefreshConnectionSecurityIndicatorsName,
9460      flag_descriptions::
9461          kOmnibox2023RefreshConnectionSecurityIndicatorsDescription,
9462      kOsAndroid,
9463      FEATURE_VALUE_TYPE(omnibox::kUpdatedConnectionSecurityIndicators)},
9464 #endif  // BUILDFLAG(IS_ANDROID)
9465
9466     {"enable-drdc", flag_descriptions::kEnableDrDcName,
9467      flag_descriptions::kEnableDrDcDescription, kOsAll,
9468      FEATURE_VALUE_TYPE(features::kEnableDrDc)},
9469
9470     {"force-gpu-main-thread-to-normal-priority-drdc",
9471      flag_descriptions::kForceGpuMainThreadToNormalPriorityDrDcName,
9472      flag_descriptions::kForceGpuMainThreadToNormalPriorityDrDcDescription,
9473      kOsAll,
9474      FEATURE_VALUE_TYPE(features::kForceGpuMainThreadToNormalPriorityDrDc)},
9475
9476 #if BUILDFLAG(IS_CHROMEOS_ASH)
9477     {"traffic-counters", flag_descriptions::kTrafficCountersEnabledName,
9478      flag_descriptions::kTrafficCountersEnabledDescription, kOsCrOS,
9479      FEATURE_VALUE_TYPE(ash::features::kTrafficCountersEnabled)},
9480 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9481
9482 #if BUILDFLAG(ENABLE_EXTENSIONS)
9483     {"extensions-menu-access-control",
9484      flag_descriptions::kExtensionsMenuAccessControlName,
9485      flag_descriptions::kExtensionsMenuAccessControlDescription, kOsDesktop,
9486      FEATURE_VALUE_TYPE(extensions_features::kExtensionsMenuAccessControl)},
9487
9488     {"iph-extensions-menu-feature",
9489      flag_descriptions::kIPHExtensionsMenuFeatureName,
9490      flag_descriptions::kIPHExtensionsMenuFeatureDescription, kOsDesktop,
9491      FEATURE_VALUE_TYPE(feature_engagement::kIPHExtensionsMenuFeature)},
9492
9493     {"iph-extensions-request-access-button-feature",
9494      flag_descriptions::kIPHExtensionsRequestAccessButtonFeatureName,
9495      flag_descriptions::kIPHExtensionsRequestAccessButtonFeatureDescription,
9496      kOsDesktop,
9497      FEATURE_VALUE_TYPE(
9498          feature_engagement::kIPHExtensionsRequestAccessButtonFeature)},
9499
9500 #if BUILDFLAG(IS_CHROMEOS)
9501     {"extension-web-file-handlers",
9502      flag_descriptions::kExtensionWebFileHandlersName,
9503      flag_descriptions::kExtensionWebFileHandlersDescription, kOsCrOS,
9504      FEATURE_VALUE_TYPE(extensions_features::kExtensionWebFileHandlers)},
9505 #endif  // IS_CHROMEOS
9506 #if BUILDFLAG(IS_WIN)
9507     {"launch-windows-native-hosts-directly",
9508      flag_descriptions::kLaunchWindowsNativeHostsDirectlyName,
9509      flag_descriptions::kLaunchWindowsNativeHostsDirectlyDescription, kOsWin,
9510      FEATURE_VALUE_TYPE(
9511          extensions_features::kLaunchWindowsNativeHostsDirectly)},
9512 #endif  // IS_WIN
9513 #endif  // ENABLE_EXTENSIONS
9514
9515     {"canvas-oop-rasterization", flag_descriptions::kCanvasOopRasterizationName,
9516      flag_descriptions::kCanvasOopRasterizationDescription, kOsAll,
9517      FEATURE_VALUE_TYPE(features::kCanvasOopRasterization)},
9518
9519     {"skia-graphite", flag_descriptions::kSkiaGraphiteName,
9520      flag_descriptions::kSkiaGraphiteDescription, kOsAll,
9521      FEATURE_VALUE_TYPE(features::kSkiaGraphite)},
9522
9523 #if BUILDFLAG(IS_ANDROID)
9524     {"bookmarks-improved-save-flow",
9525      flag_descriptions::kBookmarksImprovedSaveFlowName,
9526      flag_descriptions::kBookmarksImprovedSaveFlowDescription, kOsAndroid,
9527      FEATURE_VALUE_TYPE(chrome::android::kBookmarksImprovedSaveFlow)},
9528
9529     {"bookmarks-refresh", flag_descriptions::kBookmarksRefreshName,
9530      flag_descriptions::kBookmarksRefreshDescription, kOsAndroid,
9531      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kBookmarksRefresh,
9532                                     kBookmarksRefreshVariations,
9533                                     "Collections")},
9534 #endif
9535
9536     {"enable-tab-audio-muting", flag_descriptions::kTabAudioMutingName,
9537      flag_descriptions::kTabAudioMutingDescription, kOsDesktop,
9538      FEATURE_VALUE_TYPE(media::kEnableTabMuting)},
9539
9540     {"upcoming-follow-features", flag_descriptions::kUpcomingFollowFeaturesName,
9541      flag_descriptions::kUpcomingFollowFeaturesDescription, kOsAll,
9542      FEATURE_VALUE_TYPE(follow::kUpcomingFollowFeatures)},
9543
9544 #if defined(TOOLKIT_VIEWS)
9545     {"side-search", flag_descriptions::kSideSearchName,
9546      flag_descriptions::kSideSearchDescription, kOsDesktop,
9547      FEATURE_VALUE_TYPE(features::kSideSearch)},
9548
9549     {"search-web-in-side-panel", flag_descriptions::kSearchWebInSidePanelName,
9550      flag_descriptions::kSearchWebInSidePanelDescription, kOsDesktop,
9551      FEATURE_VALUE_TYPE(features::kSearchWebInSidePanel)},
9552 #endif  // defined(TOOLKIT_VIEWS)
9553
9554 #if !BUILDFLAG(IS_ANDROID)
9555     {"customize-chrome-side-panel",
9556      flag_descriptions::kCustomizeChromeSidePanelName,
9557      flag_descriptions::KCustomizeChromeSidePanelDescription, kOsDesktop,
9558      FEATURE_VALUE_TYPE(features::kCustomizeChromeSidePanel)},
9559
9560     {"customize-chrome-color-extraction",
9561      flag_descriptions::kCustomizeChromeColorExtractionName,
9562      flag_descriptions::kCustomizeChromeColorExtractionDescription, kOsDesktop,
9563      FEATURE_VALUE_TYPE(ntp_features::kCustomizeChromeColorExtraction)},
9564
9565     {"customize-chrome-side-panel-extensions-card",
9566      flag_descriptions::kCustomizeChromeSidePanelExtensionsCardName,
9567      flag_descriptions::kCustomizeChromeSidePanelExtensionsCardDescription,
9568      kOsDesktop,
9569      FEATURE_VALUE_TYPE(ntp_features::kCustomizeChromeSidePanelExtensionsCard)},
9570
9571     {"customize-chrome-wallpaper-search",
9572      flag_descriptions::kCustomizeChromeWallpaperSearchName,
9573      flag_descriptions::kCustomizeChromeWallpaperSearchDescription, kOsDesktop,
9574      FEATURE_VALUE_TYPE(ntp_features::kCustomizeChromeWallpaperSearch)},
9575 #endif
9576
9577 #if BUILDFLAG(IS_CHROMEOS_ASH)
9578     {"enable-component-updater-test-request",
9579      flag_descriptions::kComponentUpdaterTestRequestName,
9580      flag_descriptions::kComponentUpdaterTestRequestDescription, kOsCrOS,
9581      SINGLE_VALUE_TYPE_AND_VALUE(switches::kComponentUpdater,
9582                                  component_updater::kSwitchTestRequestParam)},
9583 #endif
9584
9585     {"enable-raw-draw", flag_descriptions::kEnableRawDrawName,
9586      flag_descriptions::kEnableRawDrawDescription, kOsAll,
9587      FEATURE_VALUE_TYPE(features::kRawDraw)},
9588
9589 #if BUILDFLAG(IS_CHROMEOS_LACROS)
9590     {"enable-delegated-compositing",
9591      flag_descriptions::kEnableDelegatedCompositingName,
9592      flag_descriptions::kEnableDelegatedCompositingDescription, kOsAll,
9593      FEATURE_VALUE_TYPE(features::kDelegatedCompositing)},
9594 #endif
9595
9596 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || \
9597     BUILDFLAG(IS_CHROMEOS_ASH)
9598     {"document-picture-in-picture-api",
9599      flag_descriptions::kDocumentPictureInPictureApiName,
9600      flag_descriptions::kDocumentPictureInPictureApiDescription,
9601      kOsMac | kOsWin | kOsLinux | kOsCrOS,
9602      FEATURE_VALUE_TYPE(blink::features::kDocumentPictureInPictureAPI)},
9603
9604     {"media-session-enter-picture-in-picture",
9605      flag_descriptions::kMediaSessionEnterPictureInPictureName,
9606      flag_descriptions::kMediaSessionEnterPictureInPictureDescription,
9607      kOsMac | kOsWin | kOsLinux | kOsCrOS,
9608      FEATURE_VALUE_TYPE(blink::features::kMediaSessionEnterPictureInPicture)},
9609 #endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) ||
9610         // BUILDFLAG(IS_CHROMEOS_ASH)
9611
9612     {"web-midi", flag_descriptions::kWebMidiName,
9613      flag_descriptions::kWebMidiDescription, kOsAll,
9614      FEATURE_VALUE_TYPE(features::kWebMidi)},
9615
9616 #if BUILDFLAG(IS_CHROMEOS_ASH)
9617     {"dns-over-https-with-identifiers-reuse-old-policy",
9618      flag_descriptions::kDnsOverHttpsWithIdentifiersReuseOldPolicyName,
9619      flag_descriptions::kDnsOverHttpsWithIdentifiersReuseOldPolicyDescription,
9620      kOsCrOS,
9621      FEATURE_VALUE_TYPE(
9622          ash::features::kDnsOverHttpsWithIdentifiersReuseOldPolicy)},
9623 #endif
9624
9625     {"enable-commerce-developer", flag_descriptions::kCommerceDeveloperName,
9626      flag_descriptions::kCommerceDeveloperDescription, kOsAll,
9627      FEATURE_VALUE_TYPE(commerce::kCommerceDeveloper)},
9628
9629 #if BUILDFLAG(IS_CHROMEOS_ASH)
9630     {"enable-libinput-to-handle-touchpad",
9631      flag_descriptions::kEnableLibinputToHandleTouchpadName,
9632      flag_descriptions::kEnableLibinputToHandleTouchpadDescription, kOsCrOS,
9633      FEATURE_VALUE_TYPE(ui::kLibinputHandleTouchpad)},
9634 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9635
9636 #if BUILDFLAG(IS_CHROMEOS_ASH)
9637     {"enable-desks-templates", flag_descriptions::kDesksTemplatesName,
9638      flag_descriptions::kDesksTemplatesDescription, kOsCrOS,
9639      FEATURE_VALUE_TYPE(ash::features::kDesksTemplates)},
9640 #endif
9641
9642     {"large-favicon-from-google",
9643      flag_descriptions::kLargeFaviconFromGoogleName,
9644      flag_descriptions::kLargeFaviconFromGoogleDescription, kOsAndroid,
9645      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kLargeFaviconFromGoogle,
9646                                     kLargeFaviconFromGoogleVariations,
9647                                     "LargeFaviconFromGoogle")},
9648
9649 #if BUILDFLAG(IS_ANDROID)
9650     {"force-off-text-autosizing",
9651      flag_descriptions::kForceOffTextAutosizingName,
9652      flag_descriptions::kForceOffTextAutosizingDescription, kOsAndroid,
9653      FEATURE_VALUE_TYPE(features::kForceOffTextAutosizing)},
9654 #endif
9655
9656 #if BUILDFLAG(IS_CHROMEOS_ASH)
9657     {"video-conference", flag_descriptions::kVideoConferenceName,
9658      flag_descriptions::kVideoConferenceDescription, kOsCrOS,
9659      FEATURE_VALUE_TYPE(ash::features::kVideoConference)},
9660
9661     {"vc-background-replace", flag_descriptions::kVcBackgroundReplaceName,
9662      flag_descriptions::kVcBackgroundReplaceDescription, kOsCrOS,
9663      FEATURE_VALUE_TYPE(ash::features::kVcBackgroundReplace)},
9664
9665     {"vc-segmentation-model", flag_descriptions::kVcSegmentationModelName,
9666      flag_descriptions::kVcSegmentationModelDescription, kOsCrOS,
9667      FEATURE_WITH_PARAMS_VALUE_TYPE(ash::features::kVcSegmentationModel,
9668                                     kVcSegmentationModelVariations,
9669                                     "VCSegmentationModel")},
9670     {"vc-light-intensity", flag_descriptions::kVcLightIntensityName,
9671      flag_descriptions::kVcLightIntensityDescription, kOsCrOS,
9672      FEATURE_WITH_PARAMS_VALUE_TYPE(ash::features::kVcLightIntensity,
9673                                     kVcLightIntensityVariations,
9674                                     "VCLightIntensity")},
9675     {"vc-web-api", flag_descriptions::kVcWebApiName,
9676      flag_descriptions::kVcWebApiDescription, kOsCrOS,
9677      FEATURE_VALUE_TYPE(ash::features::kVcWebApi)},
9678
9679 #endif
9680
9681 #if BUILDFLAG(IS_ANDROID)
9682     {"touch-drag-and-context-menu",
9683      flag_descriptions::kTouchDragAndContextMenuName,
9684      flag_descriptions::kTouchDragAndContextMenuDescription, kOsAndroid,
9685      FEATURE_VALUE_TYPE(features::kTouchDragAndContextMenu)},
9686     {"animated-image-drag-shadow",
9687      flag_descriptions::kAnimatedImageDragShadowName,
9688      flag_descriptions::kAnimatedImageDragShadowDescription, kOsAndroid,
9689      FEATURE_VALUE_TYPE(chrome::android::kAnimatedImageDragShadow)},
9690     {"drag-drop-into-omnibox", flag_descriptions::kDragDropIntoOmniboxName,
9691      flag_descriptions::kDragDropIntoOmniboxDescription, kOsAndroid,
9692      FEATURE_VALUE_TYPE(chrome::android::kDragDropIntoOmnibox)},
9693 #endif  // BUILDFLAG(IS_ANDROID)
9694
9695     {"autofill-enable-update-virtual-card-enrollment",
9696      flag_descriptions::kAutofillEnableUpdateVirtualCardEnrollmentName,
9697      flag_descriptions::kAutofillEnableUpdateVirtualCardEnrollmentDescription,
9698      kOsAll,
9699      FEATURE_VALUE_TYPE(
9700          autofill::features::kAutofillEnableUpdateVirtualCardEnrollment)},
9701
9702     {"autofill-move-legal-terms-and-icon-for-new-card-enrollment",
9703      flag_descriptions::kAutofillMoveLegalTermsAndIconForNewCardEnrollmentName,
9704      flag_descriptions::
9705          kAutofillMoveLegalTermsAndIconForNewCardEnrollmentDescription,
9706      kOsDesktop,
9707      FEATURE_VALUE_TYPE(
9708          autofill::features::
9709              kAutofillMoveLegalTermsAndIconForNewCardEnrollment)},
9710
9711 #if BUILDFLAG(IS_CHROMEOS_ASH)
9712     {"lacros-shared-components-dir",
9713      flag_descriptions::kLacrosSharedComponentsDirName,
9714      flag_descriptions::kLacrosSharedComponentsDirDescription, kOsCrOS,
9715      FEATURE_VALUE_TYPE(features::kLacrosSharedComponentsDir)},
9716 #endif
9717
9718 #if BUILDFLAG(IS_CHROMEOS_LACROS)
9719     {"lacros-merge-icu-data-file",
9720      flag_descriptions::kLacrosMergeIcuDataFileName,
9721      flag_descriptions::kLacrosMergeIcuDataFileDescription, kOsCrOS | kOsLacros,
9722      FEATURE_VALUE_TYPE(base::i18n::kLacrosMergeIcuDataFile)},
9723 #endif
9724
9725 #if !BUILDFLAG(IS_ANDROID)
9726     // TODO(https://crbug.com/1443349): Add Windows once library supports it.
9727     {"layout-extraction", flag_descriptions::kLayoutExtractionName,
9728      flag_descriptions::kLayoutExtractionDescription,
9729      kOsMac | kOsLinux | kOsCrOS | kOsLacros,
9730      FEATURE_VALUE_TYPE(features::kLayoutExtraction)},
9731 #endif
9732
9733     {"origin-agent-cluster-default",
9734      flag_descriptions::kOriginAgentClusterDefaultName,
9735      flag_descriptions::kOriginAgentClusterDefaultDescription, kOsAll,
9736      FEATURE_VALUE_TYPE(blink::features::kOriginAgentClusterDefaultEnabled)},
9737
9738     {"origin-keyed-processes-by-default",
9739      flag_descriptions::kOriginKeyedProcessesByDefaultName,
9740      flag_descriptions::kOriginKeyedProcessesByDefaultDescription, kOsAll,
9741      FEATURE_VALUE_TYPE(features::kOriginKeyedProcessesByDefault)},
9742
9743 #if !BUILDFLAG(IS_ANDROID)
9744     {"enable-code-based-rbd", flag_descriptions::kCodeBasedRBDName,
9745      flag_descriptions::kCodeBasedRBDDescription, kOsDesktop,
9746      FEATURE_WITH_PARAMS_VALUE_TYPE(commerce::kCodeBasedRBD,
9747                                     kCodeBasedRBDVariations,
9748                                     "CodeBasedRBD")},
9749
9750     {"enable-discount-consent-v2", flag_descriptions::kDiscountConsentV2Name,
9751      flag_descriptions::kDiscountConsentV2Description, kOsDesktop,
9752      FEATURE_WITH_PARAMS_VALUE_TYPE(commerce::kDiscountConsentV2,
9753                                     kDiscountConsentV2Variations,
9754                                     "DiscountConsentV2")},
9755
9756     {"enable-merchant-wide-promotions",
9757      flag_descriptions::kMerchantWidePromotionsName,
9758      flag_descriptions::kMerchantWidePromotionsDescription, kOsDesktop,
9759      FEATURE_WITH_PARAMS_VALUE_TYPE(commerce::kMerchantWidePromotion,
9760                                     kMerchantWidePromotionVariations,
9761                                     "MerchantWidePromotion")},
9762 #endif
9763
9764     {"edit-context", flag_descriptions::kEditContextName,
9765      flag_descriptions::kEditContextDescription, kOsAll,
9766      FEATURE_VALUE_TYPE(blink::features::kEditContext)},
9767 #if BUILDFLAG(IS_CHROMEOS_ASH)
9768     {"enable-fake-keyboard-heuristic",
9769      flag_descriptions::kEnableFakeKeyboardHeuristicName,
9770      flag_descriptions::kEnableFakeKeyboardHeuristicDescription, kOsCrOS,
9771      FEATURE_VALUE_TYPE(ui::kEnableFakeKeyboardHeuristic)},
9772 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9773 #if !BUILDFLAG(IS_ANDROID)
9774     {"enable-isolated-sandboxed-iframes",
9775      flag_descriptions::kIsolatedSandboxedIframesName,
9776      flag_descriptions::kIsolatedSandboxedIframesDescription, kOsDesktop,
9777      FEATURE_WITH_PARAMS_VALUE_TYPE(
9778          blink::features::kIsolateSandboxedIframes,
9779          kIsolateSandboxedIframesGroupingVariations,
9780          "IsolateSandboxedIframes" /* trial name */)},
9781 #endif
9782
9783     {"download-warning-improvements",
9784      flag_descriptions::kDownloadWarningImprovementsName,
9785      flag_descriptions::kDownloadWarningImprovementsDescription,
9786      kOsLinux | kOsLacros | kOsMac | kOsWin | kOsCrOS,
9787      MULTI_VALUE_TYPE(kDownloadWarningImprovementsChoices)},
9788
9789     {"unthrottled-nested-timeout",
9790      flag_descriptions::kUnthrottledNestedTimeoutName,
9791      flag_descriptions::kUnthrottledNestedTimeoutDescription, kOsAll,
9792      FEATURE_WITH_PARAMS_VALUE_TYPE(
9793          blink::features::kMaxUnthrottledTimeoutNestingLevel,
9794          kUnthrottledNestedTimeout_Variations,
9795          "NestingLevel")},
9796
9797     {"reduce-accept-language", flag_descriptions::kReduceAcceptLanguageName,
9798      flag_descriptions::kReduceAcceptLanguageDescription, kOsAll,
9799      FEATURE_VALUE_TYPE(network::features::kReduceAcceptLanguage)},
9800
9801 #if BUILDFLAG(IS_CHROMEOS_ASH)
9802     {"enable-variable-refresh-rate",
9803      flag_descriptions::kEnableVariableRefreshRateName,
9804      flag_descriptions::kEnableVariableRefreshRateDescription, kOsCrOS,
9805      FEATURE_VALUE_TYPE(features::kEnableVariableRefreshRate)},
9806
9807     {"enable-variable-refresh-rate-always-on",
9808      flag_descriptions::kEnableVariableRefreshRateAlwaysOnName,
9809      flag_descriptions::kEnableVariableRefreshRateAlwaysOnDescription, kOsCrOS,
9810      FEATURE_VALUE_TYPE(features::kEnableVariableRefreshRateAlwaysOn)},
9811
9812     {"enable-projector-app-debug", flag_descriptions::kProjectorAppDebugName,
9813      flag_descriptions::kProjectorAppDebugDescription, kOsCrOS,
9814      FEATURE_VALUE_TYPE(ash::features::kProjectorAppDebug)},
9815
9816     {kProjectorServerSideSpeechRecognition,
9817      flag_descriptions::kProjectorServerSideSpeechRecognitionName,
9818      flag_descriptions::kProjectorServerSideSpeechRecognitionDescription,
9819      kOsCrOS,
9820      FEATURE_VALUE_TYPE(ash::features::kInternalServerSideSpeechRecognition)},
9821 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9822
9823     {"web-sql-access", flag_descriptions::kWebSQLAccessName,
9824      flag_descriptions::kWebSQLAccessDescription, kOsAll,
9825      FEATURE_VALUE_TYPE(blink::features::kWebSQLAccess)},
9826
9827     {"omit-cors-client-cert", flag_descriptions::kOmitCorsClientCertName,
9828      flag_descriptions::kOmitCorsClientCertDescription, kOsAll,
9829      FEATURE_VALUE_TYPE(network::features::kOmitCorsClientCert)},
9830
9831     {"use-idna2008-non-transitional",
9832      flag_descriptions::kUseIDNA2008NonTransitionalName,
9833      flag_descriptions::kUseIDNA2008NonTransitionalDescription, kOsAll,
9834      FEATURE_VALUE_TYPE(url::kUseIDNA2008NonTransitional)},
9835
9836 #if BUILDFLAG(IS_CHROMEOS)
9837     {"sync-chromeos-explicit-passphrase-sharing",
9838      flag_descriptions::kSyncChromeOSExplicitPassphraseSharingName,
9839      flag_descriptions::kSyncChromeOSExplicitPassphraseSharingDescription,
9840      kOsCrOS | kOsLacros,
9841      FEATURE_VALUE_TYPE(syncer::kSyncChromeOSExplicitPassphraseSharing)},
9842 #endif
9843
9844 #if BUILDFLAG(IS_CHROMEOS_ASH)
9845     {"always-enable-hdcp", flag_descriptions::kAlwaysEnableHdcpName,
9846      flag_descriptions::kAlwaysEnableHdcpDescription, kOsCrOS,
9847      MULTI_VALUE_TYPE(kAlwaysEnableHdcpChoices)},
9848     {"throttle-ambient-animations",
9849      flag_descriptions::kAmbientModeThrottleAnimationName,
9850      flag_descriptions::kAmbientModeThrottleAnimationDescription, kOsCrOS,
9851      FEATURE_VALUE_TYPE(ash::features::kAmbientModeThrottleAnimation)},
9852     {"enable-touchpads-in-diagnostics-app",
9853      flag_descriptions::kEnableTouchpadsInDiagnosticsAppName,
9854      flag_descriptions::kEnableTouchpadsInDiagnosticsAppDescription, kOsCrOS,
9855      FEATURE_VALUE_TYPE(ash::features::kEnableTouchpadsInDiagnosticsApp)},
9856     {"enable-touchscreens-in-diagnostics-app",
9857      flag_descriptions::kEnableTouchscreensInDiagnosticsAppName,
9858      flag_descriptions::kEnableTouchscreensInDiagnosticsAppDescription, kOsCrOS,
9859      FEATURE_VALUE_TYPE(ash::features::kEnableTouchscreensInDiagnosticsApp)},
9860     {"enable-external-keyboards-in-diagnostics-app",
9861      flag_descriptions::kEnableExternalKeyboardsInDiagnosticsAppName,
9862      flag_descriptions::kEnableExternalKeyboardsInDiagnosticsAppDescription,
9863      kOsCrOS,
9864      FEATURE_VALUE_TYPE(ash::features::kEnableExternalKeyboardsInDiagnostics)},
9865     {"enable-power-sounds", flag_descriptions::kSystemSoundsName,
9866      flag_descriptions::kSystemSoundsDescription, kOsCrOS,
9867      FEATURE_VALUE_TYPE(ash::features::kSystemSounds)},
9868 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
9869
9870     {"autofill-enable-virtual-card-metadata",
9871      flag_descriptions::kAutofillEnableVirtualCardMetadataName,
9872      flag_descriptions::kAutofillEnableVirtualCardMetadataDescription, kOsAll,
9873      FEATURE_VALUE_TYPE(
9874          autofill::features::kAutofillEnableVirtualCardMetadata)},
9875
9876 #if BUILDFLAG(IS_ANDROID)
9877     {"password-edit-dialog-with-details",
9878      flag_descriptions::kPasswordEditDialogWithDetailsName,
9879      flag_descriptions::kPasswordEditDialogWithDetailsDescription, kOsAndroid,
9880      FEATURE_VALUE_TYPE(
9881          password_manager::features::kPasswordEditDialogWithDetails)},
9882
9883     {"password-suggestion-bottom-sheet-v2",
9884      flag_descriptions::kPasswordSuggestionBottomSheetV2Name,
9885      flag_descriptions::kPasswordSuggestionBottomSheetV2Description, kOsAndroid,
9886      FEATURE_VALUE_TYPE(
9887          password_manager::features::kPasswordSuggestionBottomSheetV2)},
9888
9889     {"pwa-restore-ui", flag_descriptions::kPwaRestoreUiName,
9890      flag_descriptions::kPwaRestoreUiDescription, kOsAndroid,
9891      FEATURE_VALUE_TYPE(ui::kPwaRestoreUi)},
9892 #endif  // BUILDFLAG(IS_ANDROID)
9893     {"autofill-enable-ranking-formula-address-profiles",
9894      flag_descriptions::kAutofillEnableRankingFormulaAddressProfilesName,
9895      flag_descriptions::kAutofillEnableRankingFormulaAddressProfilesDescription,
9896      kOsAll,
9897      FEATURE_VALUE_TYPE(
9898          autofill::features::kAutofillEnableRankingFormulaAddressProfiles)},
9899
9900     {"autofill-enable-ranking-formula-credit-cards",
9901      flag_descriptions::kAutofillEnableRankingFormulaCreditCardsName,
9902      flag_descriptions::kAutofillEnableRankingFormulaCreditCardsDescription,
9903      kOsAll,
9904      FEATURE_VALUE_TYPE(
9905          autofill::features::kAutofillEnableRankingFormulaCreditCards)},
9906
9907     {"autofill-enable-virtual-card-fido-enrollment",
9908      flag_descriptions::kAutofillEnableVirtualCardFidoEnrollmentName,
9909      flag_descriptions::kAutofillEnableVirtualCardFidoEnrollmentDescription,
9910      kOsAll,
9911      FEATURE_VALUE_TYPE(
9912          autofill::features::kAutofillEnableVirtualCardFidoEnrollment)},
9913     {"autofill-upstream-allow-additional-email-domains",
9914      flag_descriptions::kAutofillUpstreamAllowAdditionalEmailDomainsName,
9915      flag_descriptions::kAutofillUpstreamAllowAdditionalEmailDomainsDescription,
9916      kOsAll,
9917      FEATURE_VALUE_TYPE(
9918          autofill::features::kAutofillUpstreamAllowAdditionalEmailDomains)},
9919     {"autofill-upstream-allow-all-email-domains",
9920      flag_descriptions::kAutofillUpstreamAllowAllEmailDomainsName,
9921      flag_descriptions::kAutofillUpstreamAllowAllEmailDomainsDescription,
9922      kOsAll,
9923      FEATURE_VALUE_TYPE(
9924          autofill::features::kAutofillUpstreamAllowAllEmailDomains)},
9925
9926 #if BUILDFLAG(IS_ANDROID)
9927     {"safe-browsing-hash-prefix",
9928      flag_descriptions::kSafeBrowsingHashPrefixRealTimeLookupsName,
9929      flag_descriptions::kSafeBrowsingHashPrefixRealTimeLookupsDescription,
9930      kOsAndroid, FEATURE_VALUE_TYPE(safe_browsing::kHashPrefixRealTimeLookups)},
9931 #endif  // BUILDFLAG(IS_ANDROID)
9932
9933 #if !BUILDFLAG(IS_ANDROID)
9934     {"safety-check-notification-permissions",
9935      flag_descriptions::kSafetyCheckNotificationPermissionsName,
9936      flag_descriptions::kSafetyCheckNotificationPermissionsDescription,
9937      kOsDesktop,
9938      FEATURE_VALUE_TYPE(features::kSafetyCheckNotificationPermissions)},
9939
9940     {"notification-interaction-history",
9941      flag_descriptions::kNotificationInteractionHistoryName,
9942      flag_descriptions::kNotificationInteractionHistoryDescription, kOsDesktop,
9943      FEATURE_VALUE_TYPE(
9944          permissions::features::kNotificationInteractionHistory)},
9945
9946     {"safety-check-unused-site-permissions",
9947      flag_descriptions::kSafetyCheckUnusedSitePermissionsName,
9948      flag_descriptions::kSafetyCheckUnusedSitePermissionsDescription,
9949      kOsDesktop,
9950      FEATURE_WITH_PARAMS_VALUE_TYPE(
9951          content_settings::features::kSafetyCheckUnusedSitePermissions,
9952          kSafetyCheckUnusedSitePermissionsVariations,
9953          "SafetyCheckUnusedSitePermissions")},
9954
9955     {"record-permission-expiration-timestamps",
9956      flag_descriptions::kRecordPermissionExpirationTimestampsName,
9957      flag_descriptions::kRecordPermissionExpirationTimestampsDescription,
9958      kOsDesktop,
9959      FEATURE_VALUE_TYPE(
9960          permissions::features::kRecordPermissionExpirationTimestamps)},
9961
9962     {"safety-hub", flag_descriptions::kSafetyHubName,
9963      flag_descriptions::kSafetyHubDescription, kOsDesktop,
9964      FEATURE_VALUE_TYPE(features::kSafetyHub)},
9965 #endif  // !BUILDFLAG(IS_ANDROID)
9966
9967 #if BUILDFLAG(IS_ANDROID)
9968     {"enable-commerce-hint-android",
9969      flag_descriptions::kCommerceHintAndroidName,
9970      flag_descriptions::kCommerceHintAndroidDescription, kOsAndroid,
9971      FEATURE_VALUE_TYPE(commerce::kCommerceHintAndroid)},
9972 #endif
9973
9974 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
9975     {"enable-web-bluetooth-confirm-pairing-support",
9976      flag_descriptions::kWebBluetoothConfirmPairingSupportName,
9977      flag_descriptions::kWebBluetoothConfirmPairingSupportDescription,
9978      kOsDesktop,
9979      FEATURE_VALUE_TYPE(device::features::kWebBluetoothConfirmPairingSupport)},
9980 #endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
9981
9982     {"quick-intensive-throttling-after-loading",
9983      flag_descriptions::kQuickIntensiveWakeUpThrottlingAfterLoadingName,
9984      flag_descriptions::kQuickIntensiveWakeUpThrottlingAfterLoadingDescription,
9985      kOsAll,
9986      FEATURE_VALUE_TYPE(
9987          blink::features::kQuickIntensiveWakeUpThrottlingAfterLoading)},
9988
9989 #if BUILDFLAG(IS_MAC)
9990     {"swap-backquote-keys-in-iso-keyboard",
9991      flag_descriptions::kSwapBackquoteKeysInISOKeyboardName,
9992      flag_descriptions::kSwapBackquoteKeysInISOKeyboardDescription, kOsMac,
9993      FEATURE_VALUE_TYPE(features::kSwapBackquoteKeysInISOKeyboard)},
9994
9995     {"system-color-chooser", flag_descriptions::kSystemColorChooserName,
9996      flag_descriptions::kSystemColorChooserDescription, kOsMac,
9997      FEATURE_VALUE_TYPE(blink::features::kSystemColorChooser)},
9998 #endif  // BUILDFLAG(IS_MAC)
9999
10000     {"ignore-sync-encryption-keys-long-missing",
10001      flag_descriptions::kIgnoreSyncEncryptionKeysLongMissingName,
10002      flag_descriptions::kIgnoreSyncEncryptionKeysLongMissingDescription, kOsAll,
10003      FEATURE_VALUE_TYPE(syncer::kIgnoreSyncEncryptionKeysLongMissing)},
10004
10005 #if BUILDFLAG(IS_ANDROID)
10006     {"autofill-enable-fido-progress-dialog",
10007      flag_descriptions::kAutofillEnableFIDOProgressDialogName,
10008      flag_descriptions::kAutofillEnableFIDOProgressDialogDescription,
10009      kOsAndroid,
10010      FEATURE_VALUE_TYPE(autofill::features::kAutofillEnableFIDOProgressDialog)},
10011 #endif  // BUILDFLAG(IS_ANDROID)
10012
10013     {"enable-perfetto-system-tracing",
10014      flag_descriptions::kEnablePerfettoSystemTracingName,
10015      flag_descriptions::kEnablePerfettoSystemTracingDescription, kOsAndroid,
10016      FEATURE_VALUE_TYPE(features::kEnablePerfettoSystemTracing)},
10017
10018 #if BUILDFLAG(IS_ANDROID)
10019     {"enable-android-gamepad-vibration",
10020      flag_descriptions::kEnableAndroidGamepadVibrationName,
10021      flag_descriptions::kEnableAndroidGamepadVibrationDescription, kOsAndroid,
10022      FEATURE_VALUE_TYPE(features::kEnableAndroidGamepadVibration)},
10023 #endif  // BUILDFLAG(IS_ANDROID)
10024
10025 #if BUILDFLAG(IS_ANDROID)
10026     {"request-desktop-site-additions",
10027      flag_descriptions::kRequestDesktopSiteAdditionsName,
10028      flag_descriptions::kRequestDesktopSiteAdditionsDescription, kOsAndroid,
10029      FEATURE_VALUE_TYPE(features::kRequestDesktopSiteAdditions)},
10030 #endif  // BUILDFLAG(IS_ANDROID)
10031
10032 #if BUILDFLAG(IS_ANDROID)
10033     {"request-desktop-site-defaults",
10034      flag_descriptions::kRequestDesktopSiteDefaultsName,
10035      flag_descriptions::kRequestDesktopSiteDefaultsDescription, kOsAndroid,
10036      FEATURE_VALUE_TYPE(chrome::android::kRequestDesktopSiteDefaults)},
10037 #endif  // BUILDFLAG(IS_ANDROID)
10038
10039 #if BUILDFLAG(IS_ANDROID)
10040     {"request-desktop-site-defaults-downgrade",
10041      flag_descriptions::kRequestDesktopSiteDefaultsDowngradeName,
10042      flag_descriptions::kRequestDesktopSiteDefaultsDowngradeDescription,
10043      kOsAndroid,
10044      FEATURE_VALUE_TYPE(chrome::android::kRequestDesktopSiteDefaultsDowngrade)},
10045 #endif  // BUILDFLAG(IS_ANDROID)
10046
10047 #if BUILDFLAG(IS_ANDROID)
10048     {"request-desktop-site-defaults-logging",
10049      flag_descriptions::kRequestDesktopSiteDefaultsLoggingName,
10050      flag_descriptions::kRequestDesktopSiteDefaultsLoggingDescription,
10051      kOsAndroid,
10052      FEATURE_VALUE_TYPE(chrome::android::kRequestDesktopSiteDefaultsLogging)},
10053 #endif  // BUILDFLAG(IS_ANDROID)
10054
10055 #if BUILDFLAG(IS_ANDROID)
10056     {"request-desktop-site-window-setting",
10057      flag_descriptions::kRequestDesktopSiteWindowSettingName,
10058      flag_descriptions::kRequestDesktopSiteWindowSettingDescription, kOsAndroid,
10059      FEATURE_VALUE_TYPE(features::kRequestDesktopSiteWindowSetting)},
10060 #endif  // BUILDFLAG(IS_ANDROID)
10061
10062 #if BUILDFLAG(IS_ANDROID)
10063     {"request-desktop-site-zoom",
10064      flag_descriptions::kRequestDesktopSiteZoomName,
10065      flag_descriptions::kRequestDesktopSiteZoomDescription, kOsAndroid,
10066      FEATURE_VALUE_TYPE(features::kRequestDesktopSiteZoom)},
10067 #endif  // BUILDFLAG(IS_ANDROID)
10068
10069 #if !BUILDFLAG(IS_ANDROID)
10070     {"enable-web-hid-on-extension-service-worker",
10071      flag_descriptions::kEnableWebHidOnExtensionServiceWorkerName,
10072      flag_descriptions::kEnableWebHidOnExtensionServiceWorkerDescription,
10073      kOsDesktop,
10074      FEATURE_VALUE_TYPE(features::kEnableWebHidOnExtensionServiceWorker)},
10075 #endif
10076
10077     {"autofill-enable-remade-downstream-metrics",
10078      flag_descriptions::kAutofillEnableRemadeDownstreamMetricsName,
10079      flag_descriptions::kAutofillEnableRemadeDownstreamMetricsDescription,
10080      kOsAll,
10081      FEATURE_VALUE_TYPE(
10082          autofill::features::kAutofillEnableRemadeDownstreamMetrics)},
10083
10084 #if BUILDFLAG(IS_CHROMEOS_ASH)
10085     {"enable-seamless-refresh-rate-switching",
10086      flag_descriptions::kEnableSeamlessRefreshRateSwitchingName,
10087      flag_descriptions::kEnableSeamlessRefreshRateSwitchingDescription, kOsCrOS,
10088      FEATURE_VALUE_TYPE(ash::features::kSeamlessRefreshRateSwitching)},
10089 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10090
10091     {"click-to-call", flag_descriptions::kClickToCallName,
10092      flag_descriptions::kClickToCallDescription, kOsAll,
10093      FEATURE_VALUE_TYPE(kClickToCall)},
10094
10095     {"clipboard-unsanitized-content",
10096      flag_descriptions::kClipboardUnsanitizedContentName,
10097      flag_descriptions::kClipboardUnsanitizedContentDescription, kOsAll,
10098      FEATURE_VALUE_TYPE(blink::features::kClipboardUnsanitizedContent)},
10099
10100     {"clipboard-well-formed-html-sanitization-write",
10101      flag_descriptions::kClipboardWellFormedHtmlSanitizationWriteName,
10102      flag_descriptions::kClipboardWellFormedHtmlSanitizationWriteDescription,
10103      kOsAll,
10104      FEATURE_VALUE_TYPE(
10105          blink::features::kClipboardWellFormedHtmlSanitizationWrite)},
10106
10107     {"clipboard-maximum-age", flag_descriptions::kClipboardMaximumAgeName,
10108      flag_descriptions::kClipboardMaximumAgeDescription, kOsAndroid,
10109      FEATURE_WITH_PARAMS_VALUE_TYPE(kClipboardMaximumAge,
10110                                     kClipboardMaximumAgeVariations,
10111                                     "ClipboardMaximumAge")},
10112
10113 #if BUILDFLAG(IS_CHROMEOS_ASH)
10114     {"enable-media-dynamic-cgroup", flag_descriptions::kMediaDynamicCgroupName,
10115      flag_descriptions::kMediaDynamicCgroupDescription, kOsCrOS,
10116      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootMediaDynamicCgroup")},
10117 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10118
10119     {"autofill-parse-vcn-card-on-file-standalone-cvc-fields",
10120      flag_descriptions::kAutofillParseVcnCardOnFileStandaloneCvcFieldsName,
10121      flag_descriptions::
10122          kAutofillParseVcnCardOnFileStandaloneCvcFieldsDescription,
10123      kOsAll,
10124      FEATURE_VALUE_TYPE(
10125          autofill::features::kAutofillParseVcnCardOnFileStandaloneCvcFields)},
10126
10127     {"background-resource-fetch",
10128      flag_descriptions::kBackgroundResourceFetchName,
10129      flag_descriptions::kBackgroundResourceFetchDescription, kOsAll,
10130      FEATURE_VALUE_TYPE(blink::features::kBackgroundResourceFetch)},
10131
10132     {"skip-service-worker-fetch-handler",
10133      flag_descriptions::kSkipServiceWorkerFetchHandlerName,
10134      flag_descriptions::kSkipServiceWorkerFetchHandlerDescription, kOsAll,
10135      FEATURE_WITH_PARAMS_VALUE_TYPE(
10136          features::kServiceWorkerSkipIgnorableFetchHandler,
10137          kServiceWorkerSkipIgnorableFetchHandlerVariations,
10138          "ServiceWorkerSkipIgnorableFetchHandler")},
10139
10140 #if BUILDFLAG(IS_ANDROID)
10141     {"external-navigation-debug-logs",
10142      flag_descriptions::kExternalNavigationDebugLogsName,
10143      flag_descriptions::kExternalNavigationDebugLogsDescription, kOsAndroid,
10144      FEATURE_VALUE_TYPE(external_intents::kExternalNavigationDebugLogs)},
10145 #endif
10146
10147 #if !BUILDFLAG(IS_ANDROID)
10148     {"memory-saver-multi-state-mode",
10149      flag_descriptions::kHighEfficiencyMultistateModeAvailableName,
10150      flag_descriptions::kHighEfficiencyMultistateModeAvailableDescription,
10151      kOsDesktop,
10152      FEATURE_WITH_PARAMS_VALUE_TYPE(
10153          performance_manager::features::kHighEfficiencyMultistateMode,
10154          kHighEfficiencyMultistateModeVariations,
10155          "HighEfficiencyMultistateMode")},
10156
10157     {"memory-saver-discarded-tab-treatment",
10158      flag_descriptions::kHighEfficiencyDiscardedTabTreatmentName,
10159      flag_descriptions::kHighEfficiencyDiscardedTabTreatmentDescription,
10160      kOsDesktop,
10161      FEATURE_WITH_PARAMS_VALUE_TYPE(
10162          performance_manager::features::kDiscardedTabTreatment,
10163          kDiscardedTabTreatmentVariations,
10164          "DiscardedTabTreatment")},
10165
10166     {"memory-saver-memory-usage-in-hovercards",
10167      flag_descriptions::kHighEfficiencyMemoryUsageInHovercardsName,
10168      flag_descriptions::kHighEfficiencyMemoryUsageInHovercardsDescription,
10169      kOsDesktop,
10170      FEATURE_WITH_PARAMS_VALUE_TYPE(
10171          performance_manager::features::kMemoryUsageInHovercards,
10172          kMemoryUsageInHovercardsVariations,
10173          "MemoryUsageInHovercards")},
10174
10175     {"memory-saver-discard-exceptions-improvements",
10176      flag_descriptions::kHighEfficiencyDiscardExceptionsImprovementsName,
10177      flag_descriptions::kHighEfficiencyDiscardExceptionsImprovementsDescription,
10178      kOsDesktop,
10179      FEATURE_VALUE_TYPE(
10180          performance_manager::features::kDiscardExceptionsImprovements)},
10181
10182     {"memory-saver-savings-reporting-improvements",
10183      flag_descriptions::kHighEfficiencySavingsReportingImprovementsName,
10184      flag_descriptions::kHighEfficiencySavingsReportingImprovementsDescription,
10185      kOsDesktop,
10186      FEATURE_WITH_PARAMS_VALUE_TYPE(
10187          performance_manager::features::kMemorySavingsReportingImprovements,
10188          kHighEfficiencyMemorySavingsReportingVariations,
10189          "MemorySavingsReportingImprovements")},
10190
10191 #endif
10192
10193     {"webui-omnibox-popup", flag_descriptions::kWebUIOmniboxPopupName,
10194      flag_descriptions::kWebUIOmniboxPopupDescription, kOsDesktop,
10195      FEATURE_VALUE_TYPE(omnibox::kWebUIOmniboxPopup)},
10196
10197 #if BUILDFLAG(IS_CHROMEOS_ASH)
10198     {"arc-nearby-share-fuse-box", flag_descriptions::kArcNearbyShareFuseBoxName,
10199      flag_descriptions::kArcNearbyShareFuseBoxDescription, kOsCrOS,
10200      FEATURE_VALUE_TYPE(arc::kEnableArcNearbyShareFuseBox)},
10201 #endif
10202
10203     {"autofill-enable-card-art-image",
10204      flag_descriptions::kAutofillEnableCardArtImageName,
10205      flag_descriptions::kAutofillEnableCardArtImageDescription, kOsAll,
10206      FEATURE_VALUE_TYPE(autofill::features::kAutofillEnableCardArtImage)},
10207
10208 #if BUILDFLAG(IS_ANDROID)
10209     {"restore-tabs-on-fre", flag_descriptions::kRestoreTabsOnFREName,
10210      flag_descriptions::kRestoreTabsOnFREDescription, kOsAndroid,
10211      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kRestoreTabsOnFRE,
10212                                     kRestoreTabsOnFREVariations,
10213                                     "RestoreTabsOnFRE")},
10214
10215     {"restore-synced-placeholder-tabs",
10216      flag_descriptions::kRestoreSyncedPlaceholderTabsName,
10217      flag_descriptions::kRestoreSyncedPlaceholderTabsDescription, kOsAndroid,
10218      FEATURE_VALUE_TYPE(syncer::kRestoreSyncedPlaceholderTabs)},
10219
10220     {"context-menu-popup-for-all-screen-sizes",
10221      flag_descriptions::kContextMenuPopupForAllScreenSizesName,
10222      flag_descriptions::kContextMenuPopupForAllScreenSizesDescription,
10223      kOsAndroid,
10224      FEATURE_VALUE_TYPE(chrome::android::kContextMenuPopupForAllScreenSizes)},
10225 #endif
10226     {"use-dmsaa-for-tiles", flag_descriptions::kUseDMSAAForTilesName,
10227      flag_descriptions::kUseDMSAAForTilesDescription, kOsAll,
10228      FEATURE_VALUE_TYPE(::features::kUseDMSAAForTiles)},
10229
10230 #if BUILDFLAG(IS_ANDROID)
10231     {"use-dmsaa-for-tiles-android-gl",
10232      flag_descriptions::kUseDMSAAForTilesAndroidGLName,
10233      flag_descriptions::kUseDMSAAForTilesAndroidGLDescription, kOsAndroid,
10234      FEATURE_VALUE_TYPE(::features::kUseDMSAAForTilesAndroidGL)},
10235 #endif
10236     {"enable-web-usb-on-extension-service-worker",
10237      flag_descriptions::kEnableWebUsbOnExtensionServiceWorkerName,
10238      flag_descriptions::kEnableWebUsbOnExtensionServiceWorkerDescription,
10239      kOsAndroid | kOsDesktop,
10240      FEATURE_VALUE_TYPE(features::kEnableWebUsbOnExtensionServiceWorker)},
10241
10242 #if BUILDFLAG(IS_CHROMEOS_ASH)
10243     {"enable-holding-space-predictability",
10244      flag_descriptions::kHoldingSpacePredictabilityName,
10245      flag_descriptions::kHoldingSpacePredictabilityDescription, kOsCrOS,
10246      FEATURE_VALUE_TYPE(ash::features::kHoldingSpacePredictability)},
10247     {"enable-holding-space-refresh",
10248      flag_descriptions::kHoldingSpaceRefreshName,
10249      flag_descriptions::kHoldingSpaceRefreshDescription, kOsCrOS,
10250      FEATURE_VALUE_TYPE(ash::features::kHoldingSpaceRefresh)},
10251     {"enable-holding-space-suggestions",
10252      flag_descriptions::kHoldingSpaceSuggestionsName,
10253      flag_descriptions::kHoldingSpaceSuggestionsDescription, kOsCrOS,
10254      FEATURE_VALUE_TYPE(ash::features::kHoldingSpaceSuggestions)},
10255     {"enable-welcome-tour", flag_descriptions::kWelcomeTourName,
10256      flag_descriptions::kWelcomeTourDescription, kOsCrOS,
10257      FEATURE_VALUE_TYPE(ash::features::kWelcomeTour)},
10258     {"enable-welcome-tour-force-user-eligibility",
10259      flag_descriptions::kWelcomeTourForceUserEligibilityName,
10260      flag_descriptions::kWelcomeTourForceUserEligibilityDescription, kOsCrOS,
10261      FEATURE_VALUE_TYPE(ash::features::kWelcomeTourForceUserEligibility)},
10262 #endif
10263
10264     {"use-nat64-for-ipv4-literal",
10265      flag_descriptions::kUseNAT64ForIPv4LiteralName,
10266      flag_descriptions::kUseNAT64ForIPv4LiteralDescription, kOsAll,
10267      FEATURE_VALUE_TYPE(net::features::kUseNAT64ForIPv4Literal)},
10268
10269 #if BUILDFLAG(IS_ANDROID)
10270     {"enable-passwords-account-storage",
10271      flag_descriptions::kEnablePasswordsAccountStorageName,
10272      flag_descriptions::kEnablePasswordsAccountStorageDescription, kOsAndroid,
10273      FEATURE_VALUE_TYPE(
10274          password_manager::features::kEnablePasswordsAccountStorage)},
10275 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10276
10277 #if BUILDFLAG(IS_WIN)
10278     {"cloud-ap-auth-attach-as-header",
10279      flag_descriptions::kCloudApAuthAttachAsHeaderName,
10280      flag_descriptions::kCloudApAuthAttachAsHeaderDescription, kOsWin,
10281      FEATURE_VALUE_TYPE(enterprise_auth::kCloudApAuthAttachAsHeader)},
10282 #endif  // BUILDFLAG(IS_WIN)
10283
10284 #if BUILDFLAG(IS_CHROMEOS_ASH)
10285     {"enable-per-desk-z-order", flag_descriptions::kEnablePerDeskZOrderName,
10286      flag_descriptions::kEnablePerDeskZOrderDescription, kOsCrOS,
10287      FEATURE_VALUE_TYPE(ash::features::kEnablePerDeskZOrder)},
10288 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10289
10290 #if !BUILDFLAG(IS_ANDROID)
10291     {"simplified-bookmark-save-flow",
10292      power_bookmarks::flag_descriptions::kSimplifiedBookmarkSaveFlowName,
10293      power_bookmarks::flag_descriptions::kSimplifiedBookmarkSaveFlowName,
10294      kOsDesktop,
10295      FEATURE_VALUE_TYPE(power_bookmarks::kSimplifiedBookmarkSaveFlow)},
10296 #endif
10297
10298 #if BUILDFLAG(IS_CHROMEOS_ASH)
10299     {"gallery-app-pdf-edit-notification",
10300      flag_descriptions::kGalleryAppPdfEditNotificationName,
10301      flag_descriptions::kGalleryAppPdfEditNotificationDescription, kOsCrOS,
10302      FEATURE_WITH_PARAMS_VALUE_TYPE(
10303          ash::features::kGalleryAppPdfEditNotification,
10304          kGalleryAppPdfEditNotificationVariations,
10305          "GalleryAppPdfEditNotification")},
10306 #endif
10307
10308 #if BUILDFLAG(IS_CHROMEOS_ASH)
10309     {"google-one-offer-files-banner",
10310      flag_descriptions::kGoogleOneOfferFilesBannerName,
10311      flag_descriptions::kGoogleOneOfferFilesBannerDescription, kOsCrOS,
10312      FEATURE_VALUE_TYPE(ash::features::kGoogleOneOfferFilesBanner)},
10313 #endif
10314
10315     {"sync-autofill-wallet-credential-data",
10316      flag_descriptions::kSyncAutofillWalletCredentialDataName,
10317      flag_descriptions::kSyncAutofillWalletCredentialDataDescription, kOsAll,
10318      FEATURE_VALUE_TYPE(syncer::kSyncAutofillWalletCredentialData)},
10319
10320     {"sync-autofill-wallet-usage-data",
10321      flag_descriptions::kSyncAutofillWalletUsageDataName,
10322      flag_descriptions::kSyncAutofillWalletUsageDataDescription, kOsAll,
10323      FEATURE_VALUE_TYPE(syncer::kSyncAutofillWalletUsageData)},
10324
10325 #if !BUILDFLAG(IS_ANDROID)
10326     {"ui-enable-shared-image-cache-for-gpu",
10327      flag_descriptions::kUIEnableSharedImageCacheForGpuName,
10328      flag_descriptions::kUIEnableSharedImageCacheForGpuDescription, kOsDesktop,
10329      FEATURE_VALUE_TYPE(::features::kUIEnableSharedImageCacheForGpu)},
10330 #endif
10331
10332 #if !BUILDFLAG(IS_ANDROID)
10333     {"devtools-tab-target", flag_descriptions::kDevToolsTabTargetLiteralName,
10334      flag_descriptions::kDevToolsTabTargetLiteralDescription, kOsDesktop,
10335      FEATURE_VALUE_TYPE(::features::kDevToolsTabTarget)},
10336 #endif
10337
10338 #if BUILDFLAG(IS_CHROMEOS_ASH)
10339     {"cros-labs-window-cycle-shortcut",
10340      flag_descriptions::kSameAppWindowCycleName,
10341      flag_descriptions::kSameAppWindowCycleDescription, kOsCrOS,
10342      FEATURE_VALUE_TYPE(ash::features::kSameAppWindowCycle)},
10343 #endif
10344
10345 #if BUILDFLAG(IS_CHROMEOS_ASH)
10346     {"promise-icons", flag_descriptions::kPromiseIconsName,
10347      flag_descriptions::kPromiseIconsDescription, kOsCrOS,
10348      FEATURE_VALUE_TYPE(ash::features::kPromiseIcons)},
10349 #endif
10350
10351 #if BUILDFLAG(IS_CHROMEOS_ASH)
10352     {"printing-ppd-channel", flag_descriptions::kPrintingPpdChannelName,
10353      flag_descriptions::kPrintingPpdChannelDescription, kOsCrOS,
10354      MULTI_VALUE_TYPE(kPrintingPpdChannelChoices)},
10355 #endif
10356
10357     {"storage-buckets", flag_descriptions::kStorageBucketsName,
10358      flag_descriptions::kStorageBucketsDescription, kOsAll,
10359      FEATURE_VALUE_TYPE(blink::features::kStorageBuckets)},
10360
10361     {"service-worker-bypass-fetch-handler",
10362      flag_descriptions::kServiceWorkerBypassFetchHandlerName,
10363      flag_descriptions::kServiceWorkerBypassFetchHandlerDescription, kOsAll,
10364      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kServiceWorkerBypassFetchHandler,
10365                                     kServiceWorkerBypassFetchHandlerVariations,
10366                                     "ServiceWorkerBypassFetchHandler")},
10367
10368     {"service-worker-bypass-fetch-handler-for-main-resource",
10369      flag_descriptions::kServiceWorkerBypassFetchHandlerForMainResourceName,
10370      flag_descriptions::
10371          kServiceWorkerBypassFetchHandlerForMainResourceDescription,
10372      kOsAll, FEATURE_VALUE_TYPE(features::kServiceWorkerBypassFetchHandler)},
10373
10374     {"service-worker-static-router",
10375      flag_descriptions::kServiceWorkerStaticRouterName,
10376      flag_descriptions::kServiceWorkerStaticRouterDescription, kOsAll,
10377      FEATURE_VALUE_TYPE(features::kServiceWorkerStaticRouter)},
10378
10379 #if BUILDFLAG(IS_CHROMEOS_ASH)
10380     {"app-deduplication-service-fondue",
10381      flag_descriptions::kAppDeduplicationServiceFondueName,
10382      flag_descriptions::kAppDeduplicationServiceFondueDescription, kOsCrOS,
10383      FEATURE_VALUE_TYPE(features::kAppDeduplicationServiceFondue)},
10384 #endif
10385
10386     {"autofill-suggest-server-card-instead-of-local-card",
10387      flag_descriptions::kAutofillSuggestServerCardInsteadOfLocalCardName,
10388      flag_descriptions::kAutofillSuggestServerCardInsteadOfLocalCardDescription,
10389      kOsAll,
10390      FEATURE_VALUE_TYPE(
10391          autofill::features::kAutofillSuggestServerCardInsteadOfLocalCard)},
10392
10393 #if BUILDFLAG(IS_ANDROID)
10394     {"android-improved-bookmarks",
10395      flag_descriptions::kAndroidImprovedBookmarksName,
10396      flag_descriptions::kAndroidImprovedBookmarksDescription, kOsAndroid,
10397      FEATURE_VALUE_TYPE(chrome::android::kAndroidImprovedBookmarks)},
10398 #endif  // BUILDFLAG(IS_ANDROID)
10399
10400 #if BUILDFLAG(IS_CHROMEOS_ASH)
10401     {"arc-idle-manager", flag_descriptions::kArcIdleManagerName,
10402      flag_descriptions::kArcIdleManagerDescription, kOsCrOS,
10403      FEATURE_VALUE_TYPE(arc::kEnableArcIdleManager)},
10404 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10405
10406 #if BUILDFLAG(ENABLE_EXTENSIONS)
10407     {"enable-webview-tag-mparch-behavior",
10408      flag_descriptions::kWebViewTagMPArchBehaviorName,
10409      flag_descriptions::kWebViewTagMPArchBehaviorDescription, kOsDesktop,
10410      FEATURE_VALUE_TYPE(extensions_features::kWebviewTagMPArchBehavior)},
10411 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
10412         //
10413 #if BUILDFLAG(IS_ANDROID)
10414     {"thumbnail-cache-refactor", flag_descriptions::kThumbnailCacheRefactorName,
10415      flag_descriptions::kThumbnailCacheRefactorDescription, kOsAndroid,
10416      FEATURE_VALUE_TYPE(thumbnail::kThumbnailCacheRefactor)},
10417
10418     {"surface-control-magnifier",
10419      flag_descriptions::kSurfaceControlMagnifierName,
10420      flag_descriptions::kSurfaceControlMagnifierDescription, kOsAndroid,
10421      FEATURE_VALUE_TYPE(features::kAndroidSurfaceControlMagnifier)},
10422 #endif  // BUILDFLAG(IS_ANDROID)
10423
10424 #if BUILDFLAG(IS_CHROMEOS_ASH)
10425     {"system-live-caption", flag_descriptions::kSystemLiveCaptionName,
10426      flag_descriptions::kSystemLiveCaptionDescription, kOsCrOS,
10427      FEATURE_VALUE_TYPE(ash::features::kSystemLiveCaption)},
10428 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10429
10430     {"use-multi-plane-format-for-hardware-video",
10431      flag_descriptions::kUseMultiPlaneFormatForHardwareVideoName,
10432      flag_descriptions::kUseMultiPlaneFormatForHardwareVideoDescription, kOsAll,
10433      FEATURE_VALUE_TYPE(media::kUseMultiPlaneFormatForHardwareVideo)},
10434
10435     {"use-multi-plane-format-for-software-video",
10436      flag_descriptions::kUseMultiPlaneFormatForSoftwareVideoName,
10437      flag_descriptions::kUseMultiPlaneFormatForSoftwareVideoDescription, kOsAll,
10438      FEATURE_VALUE_TYPE(media::kUseMultiPlaneFormatForSoftwareVideo)},
10439
10440 #if BUILDFLAG(IS_CHROMEOS_ASH)
10441     {"enable-notification-image-drag",
10442      flag_descriptions::kEnableNotificationImageDragName,
10443      flag_descriptions::kEnableNotificationImageDragDescription, kOsCrOS,
10444      FEATURE_VALUE_TYPE(ash::features::kNotificationImageDrag)},
10445 #endif
10446
10447 #if BUILDFLAG(IS_CHROMEOS_ASH)
10448     {"enable-notifier-collision",
10449      flag_descriptions::kEnableNotifierCollisionName,
10450      flag_descriptions::kEnableNotifierCollisionDescription, kOsCrOS,
10451      FEATURE_VALUE_TYPE(ash::features::kNotifierCollision)},
10452 #endif
10453
10454 #if !BUILDFLAG(IS_ANDROID)
10455     {"autofill-enable-new-save-card-bubble-ui",
10456      flag_descriptions::kAutofillEnableNewSaveCardBubbleUiName,
10457      flag_descriptions::kAutofillEnableNewSaveCardBubbleUiDescription,
10458      kOsDesktop,
10459      FEATURE_VALUE_TYPE(
10460          autofill::features::kAutofillEnableNewSaveCardBubbleUi)},
10461 #endif  // !BUILDFLAG(IS_ANDROID)
10462
10463     {"autofill-enable-new-card-art-and-network-images",
10464      flag_descriptions::kAutofillEnableNewCardArtAndNetworkImagesName,
10465      flag_descriptions::kAutofillEnableNewCardArtAndNetworkImagesDescription,
10466      kOsAll,
10467      FEATURE_VALUE_TYPE(
10468          autofill::features::kAutofillEnableNewCardArtAndNetworkImages)},
10469
10470     {"autofill-enable-card-art-server-side-stretching",
10471      flag_descriptions::kAutofillEnableCardArtServerSideStretchingName,
10472      flag_descriptions::kAutofillEnableCardArtServerSideStretchingDescription,
10473      kOsAll,
10474      FEATURE_VALUE_TYPE(
10475          autofill::features::kAutofillEnableCardArtServerSideStretching)},
10476
10477     {"power-bookmark-backend", flag_descriptions::kPowerBookmarkBackendName,
10478      flag_descriptions::kPowerBookmarkBackendDescription, kOsAll,
10479      FEATURE_VALUE_TYPE(power_bookmarks::kPowerBookmarkBackend)},
10480
10481 #if !BUILDFLAG(IS_ANDROID)
10482     {"user-notes-side-panel", flag_descriptions::kUserNotesSidePanelName,
10483      flag_descriptions::kUserNotesSidePanelDescription, kOsDesktop,
10484      FEATURE_VALUE_TYPE(user_notes::kUserNotes)},
10485 #endif
10486
10487     {"autofill-enable-merchant-opt-out-client-side-url-filtering",
10488      flag_descriptions::kAutofillEnableMerchantOptOutClientSideUrlFilteringName,
10489      flag_descriptions::
10490          kAutofillEnableMerchantOptOutClientSideUrlFilteringDescription,
10491      kOsAll,
10492      FEATURE_VALUE_TYPE(
10493          autofill::features::
10494              kAutofillEnableMerchantOptOutClientSideUrlFiltering)},
10495
10496 #if BUILDFLAG(IS_CHROMEOS_ASH)
10497     {"enable-eol-notification-reset-dismissed-prefs",
10498      flag_descriptions::kEolResetDismissedPrefsName,
10499      flag_descriptions::kEolResetDismissedPrefsDescription, kOsCrOS,
10500      SINGLE_VALUE_TYPE(ash::switches::kEolResetDismissedPrefs)},
10501 #endif
10502
10503 #if BUILDFLAG(IS_ANDROID)
10504     {"password-generation-bottom-sheet",
10505      flag_descriptions::kPasswordGenerationBottomSheetName,
10506      flag_descriptions::kPasswordGenerationBottomSheetDescription, kOsAndroid,
10507      FEATURE_VALUE_TYPE(
10508          password_manager::features::kPasswordGenerationBottomSheet)},
10509 #endif  // BUILDFLAG(IS_ANDROID)
10510
10511     {"enable-preferences-account-storage",
10512      flag_descriptions::kEnablePreferencesAccountStorageName,
10513      flag_descriptions::kEnablePreferencesAccountStorageDescription, kOsAll,
10514      FEATURE_VALUE_TYPE(syncer::kEnablePreferencesAccountStorage)},
10515
10516 #if BUILDFLAG(IS_CHROMEOS_ASH)
10517     {"app-launch-automation", flag_descriptions::kAppLaunchAutomationName,
10518      flag_descriptions::kAppLaunchAutomationDescription, kOsCrOS,
10519      FEATURE_VALUE_TYPE(ash::features::kAppLaunchAutomation)},
10520 #endif
10521
10522 #if BUILDFLAG(IS_CHROMEOS_LACROS)
10523     {"experimental-web-app-storage-partition-isolation",
10524      flag_descriptions::kExperimentalWebAppStoragePartitionIsolationName,
10525      flag_descriptions::kExperimentalWebAppStoragePartitionIsolationDescription,
10526      kOsLacros,
10527      FEATURE_VALUE_TYPE(
10528          chromeos::features::kExperimentalWebAppStoragePartitionIsolation)},
10529
10530     {"blink-extension", flag_descriptions::kBlinkExtensionName,
10531      flag_descriptions::kBlinkExtensionDescription, kOsLacros,
10532      FEATURE_VALUE_TYPE(chromeos::features::kBlinkExtension)},
10533     {"blink-extension-diagnostics",
10534      flag_descriptions::kBlinkExtensionDiagnosticsName,
10535      flag_descriptions::kBlinkExtensionDiagnosticsDescription, kOsLacros,
10536      FEATURE_VALUE_TYPE(chromeos::features::kBlinkExtensionDiagnostics)},
10537 #endif  // BUILDFLAG(IS_CHROMEOS_LACROS)
10538
10539 #if BUILDFLAG(IS_CHROMEOS_ASH)
10540     {"enable-desk-button", flag_descriptions::kDeskButtonName,
10541      flag_descriptions::kDeskButtonDescription, kOsCrOS,
10542      FEATURE_VALUE_TYPE(ash::features::kDeskButton)},
10543 #endif
10544
10545 #if BUILDFLAG(IS_CHROMEOS_ASH)
10546     {"render-arc-notifications-by-chrome",
10547      flag_descriptions::kRenderArcNotificationsByChromeName,
10548      flag_descriptions::kRenderArcNotificationsByChromeDescription, kOsCrOS,
10549      FEATURE_VALUE_TYPE(ash::features::kRenderArcNotificationsByChrome)},
10550 #endif
10551
10552 #if !BUILDFLAG(IS_ANDROID) && BUILDFLAG(GOOGLE_CHROME_BRANDING)
10553     {"settings-enable-get-the-most-out-of-chrome",
10554      flag_descriptions::kSettingsEnableGetTheMostOutOfChromeName,
10555      flag_descriptions::kSettingsEnableGetTheMostOutOfChromeDescription,
10556      kOsDesktop, FEATURE_VALUE_TYPE(::features::kGetTheMostOutOfChrome)},
10557 #endif
10558
10559     {"enable-file-backed-blob-factory",
10560      flag_descriptions::kEnableFileBackedBlobFactoryName,
10561      flag_descriptions::kEnableFileBackedBlobFactoryDescription, kOsAll,
10562      FEATURE_VALUE_TYPE(blink::features::kEnableFileBackedBlobFactory)},
10563
10564 #if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID)
10565     {"autofill-enable-payments-mandatory-reauth",
10566      flag_descriptions::kAutofillEnablePaymentsMandatoryReauthName,
10567      flag_descriptions::kAutofillEnablePaymentsMandatoryReauthDescription,
10568      kOsMac | kOsWin | kOsAndroid,
10569      FEATURE_VALUE_TYPE(
10570          autofill::features::kAutofillEnablePaymentsMandatoryReauth)},
10571 #endif  // BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_ANDROID)
10572
10573     {"autofill-enable-email-otp-for-vcn-yellow-path",
10574      flag_descriptions::kAutofillEnableEmailOtpForVcnYellowPathName,
10575      flag_descriptions::kAutofillEnableEmailOtpForVcnYellowPathDescription,
10576      kOsAll,
10577      FEATURE_VALUE_TYPE(
10578          autofill::features::kAutofillEnableEmailOtpForVcnYellowPath)},
10579
10580     {"enable-compression-dictionary-transport",
10581      flag_descriptions::kCompressionDictionaryTransportName,
10582      flag_descriptions::kCompressionDictionaryTransportDescription, kOsAll,
10583      FEATURE_VALUE_TYPE(network::features::kCompressionDictionaryTransport)},
10584
10585     {"enable-compression-dictionary-transport-backend",
10586      flag_descriptions::kCompressionDictionaryTransportBackendName,
10587      flag_descriptions::kCompressionDictionaryTransportBackendDescription,
10588      kOsAll,
10589      FEATURE_VALUE_TYPE(
10590          network::features::kCompressionDictionaryTransportBackend)},
10591
10592     {"enable-zstd-content-encoding",
10593      flag_descriptions::kZstdContentEncodingName,
10594      flag_descriptions::kZstdContentEncodingDescription, kOsAll,
10595      FEATURE_VALUE_TYPE(net::features::kZstdContentEncoding)},
10596
10597     {"enable-shared-zstd", flag_descriptions::kSharedZstdName,
10598      flag_descriptions::kSharedZstdDescription, kOsAll,
10599      FEATURE_VALUE_TYPE(network::features::kSharedZstd)},
10600
10601 #if BUILDFLAG(IS_CHROMEOS_ASH)
10602     {"arc-arc-on-demand", flag_descriptions::kArcArcOnDemandExperimentName,
10603      flag_descriptions::kArcArcOnDemandExperimentDescription, kOsCrOS,
10604      FEATURE_VALUE_TYPE(arc::kArcOnDemandFeature)},
10605 #endif
10606
10607 #if BUILDFLAG(IS_ANDROID)
10608     {"web-authentication-android-credential-management",
10609      flag_descriptions::kWebAuthnAndroidCredManName,
10610      flag_descriptions::kWebAuthnAndroidCredManDescription, kOsAndroid,
10611      FEATURE_WITH_PARAMS_VALUE_TYPE(device::kWebAuthnAndroidCredMan,
10612                                     kWebAuthnAndroidCredManVariations,
10613                                     "WebAuthenticationAndroidCredMan")},
10614 #endif  // BUILDFLAG(IS_ANDROID)
10615
10616     {"permission-storage-access-api",
10617      flag_descriptions::kPermissionStorageAccessAPIName,
10618      flag_descriptions::kPermissionStorageAccessAPIDescription,
10619      kOsDesktop | kOsAndroid,
10620      FEATURE_VALUE_TYPE(permissions::features::kPermissionStorageAccessAPI)},
10621
10622 #if BUILDFLAG(IS_ANDROID)
10623     {"android-extended-keyboard-shortcuts",
10624      flag_descriptions::kAndroidExtendedKeyboardShortcutsName,
10625      flag_descriptions::kAndroidExtendedKeyboardShortcutsDescription,
10626      kOsAndroid,
10627      FEATURE_VALUE_TYPE(blink::features::kAndroidExtendedKeyboardShortcuts)},
10628     {"convert-trackpad-events-to-mouse",
10629      flag_descriptions::kConvertTrackpadEventsToMouseName,
10630      flag_descriptions::kConvertTrackpadEventsToMouseDescription, kOsAndroid,
10631      FEATURE_VALUE_TYPE(ui::kConvertTrackpadEventsToMouse)},
10632     {"deprecated-external-picker-function",
10633      flag_descriptions::kDeprecatedExternalPickerFunctionName,
10634      flag_descriptions::kDeprecatedExternalPickerFunctionDescription,
10635      kOsAndroid, FEATURE_VALUE_TYPE(ui::kDeprecatedExternalPickerFunction)},
10636     {"enable-cct-text-fragment-lookup-api",
10637      flag_descriptions::kCCTTextFragmentLookupApiEnabledName,
10638      flag_descriptions::kCCTTextFragmentLookupApiEnabledDescription, kOsAndroid,
10639      FEATURE_VALUE_TYPE(chrome::android::kCCTTextFragmentLookupApiEnabled)},
10640
10641 #endif  // BUILDFLAG(IS_ANDROID)
10642
10643 #if BUILDFLAG(IS_CHROMEOS_ASH)
10644     {"enable-missive-storage-config", flag_descriptions::kMissiveStorageName,
10645      flag_descriptions::kMissiveStorageDescription, kOsCrOS,
10646      PLATFORM_FEATURE_WITH_PARAMS_VALUE_TYPE(
10647          "CrOSLateBootMissiveStorage",
10648          kCrOSLateBootMissiveStorageDefaultVariations,
10649          "CrOSLateBootMissiveStorage")},
10650 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10651
10652 #if !BUILDFLAG(IS_ANDROID)
10653     {"cast-mirroring-target-playout-delay",
10654      flag_descriptions::kCastMirroringTargetPlayoutDelayName,
10655      flag_descriptions::kCastMirroringTargetPlayoutDelayDescription, kOsDesktop,
10656      MULTI_VALUE_TYPE(kCastMirroringTargetPlayoutDelayChoices)},
10657 #endif  // !BUILDFLAG(IS_ANDROID)
10658
10659     {"enable-policy-test-page", flag_descriptions::kEnablePolicyTestPageName,
10660      flag_descriptions::kEnablePolicyTestPageDescription, kOsAll,
10661      FEATURE_VALUE_TYPE(policy::features::kEnablePolicyTestPage)},
10662
10663 #if BUILDFLAG(IS_CHROMEOS_ASH)
10664     {"allow-devtools-in-system-ui",
10665      flag_descriptions::kAllowDevtoolsInSystemUIName,
10666      flag_descriptions::kAllowDevtoolsInSystemUIDescription, kOsCrOS,
10667      FEATURE_VALUE_TYPE(ash::features::kAllowDevtoolsInSystemUI)},
10668     {"cros-shortstand", flag_descriptions::kCrosShortstandName,
10669      flag_descriptions::kCrosShortstandDescription, kOsCrOS,
10670      FEATURE_VALUE_TYPE(features::kCrosShortstand)},
10671     {"cros-web-app-shortcut-ui-update",
10672      flag_descriptions::kCrosWebAppShortcutUiUpdateName,
10673      flag_descriptions::kCrosWebAppShortcutUiUpdateDescription, kOsCrOS,
10674      FEATURE_VALUE_TYPE(chromeos::features::kCrosWebAppShortcutUiUpdate)},
10675     {"enable-audio-focus-enforcement",
10676      flag_descriptions::kEnableAudioFocusEnforcementName,
10677      flag_descriptions::kEnableAudioFocusEnforcementDescription, kOsCrOS,
10678      FEATURE_VALUE_TYPE(media_session::features::kAudioFocusEnforcement)},
10679 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10680
10681     {"use-gpu-scheduler-dfs", flag_descriptions::kUseGpuSchedulerDfsName,
10682      flag_descriptions::kUseGpuSchedulerDfsDescription, kOsAll,
10683      FEATURE_VALUE_TYPE(features::kUseGpuSchedulerDfs)},
10684
10685 #if BUILDFLAG(IS_CHROMEOS_ASH)
10686     {"cros-battery-saver", flag_descriptions::kCrosBatterySaverName,
10687      flag_descriptions::kCrosBatterySaverDescription, kOsCrOS,
10688      FEATURE_VALUE_TYPE(ash::features::kBatterySaver)},
10689 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10690         //
10691 #if BUILDFLAG(IS_ANDROID)
10692     {"thumbnail-placeholder", flag_descriptions::kThumbnailPlaceholderName,
10693      flag_descriptions::kThumbnailPlaceholderDescription, kOsAndroid,
10694      FEATURE_VALUE_TYPE(chrome::android::kThumbnailPlaceholder)},
10695 #endif  // BUILDFLAG(IS_ANDROID)
10696
10697     {"enable-process-per-site-up-to-main-frame-threshold",
10698      flag_descriptions::kEnableProcessPerSiteUpToMainFrameThresholdName,
10699      flag_descriptions::kEnableProcessPerSiteUpToMainFrameThresholdDescription,
10700      kOsDesktop | kOsAndroid,
10701      FEATURE_VALUE_TYPE(features::kProcessPerSiteUpToMainFrameThreshold)},
10702
10703 #if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || \
10704     BUILDFLAG(IS_FUCHSIA)
10705     {"camera-mic-effects", flag_descriptions::kCameraMicEffectsName,
10706      flag_descriptions::kCameraMicEffectsDescription,
10707      static_cast<unsigned short>(kOsMac | kOsWin | kOsLinux | kOsFuchsia),
10708      FEATURE_VALUE_TYPE(media::kCameraMicEffects)},
10709
10710     {"camera-mic-preview", flag_descriptions::kCameraMicPreviewName,
10711      flag_descriptions::kCameraMicPreviewDescription,
10712      static_cast<unsigned short>(kOsMac | kOsWin | kOsLinux | kOsFuchsia),
10713      FEATURE_VALUE_TYPE(features::kCameraMicPreview)},
10714 #endif
10715
10716 #if BUILDFLAG(IS_CHROMEOS_ASH)
10717     {"cros-battery-saver-always-on",
10718      flag_descriptions::kCrosBatterySaverAlwaysOnName,
10719      flag_descriptions::kCrosBatterySaverAlwaysOnDescription, kOsCrOS,
10720      FEATURE_VALUE_TYPE(ash::features::kBatterySaverAlwaysOn)},
10721 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10722
10723     {"render-document", flag_descriptions::kRenderDocumentName,
10724      flag_descriptions::kRenderDocumentDescription, kOsAll,
10725      FEATURE_WITH_PARAMS_VALUE_TYPE(features::kRenderDocument,
10726                                     kRenderDocumentVariations,
10727                                     "RenderDocument")},
10728
10729     {"site-instance-groups-for-data-urls",
10730      flag_descriptions::kSiteInstanceGroupsForDataUrlsName,
10731      flag_descriptions::kSiteInstanceGroupsForDataUrlsDescription, kOsAll,
10732      FEATURE_VALUE_TYPE(features::kSiteInstanceGroupsForDataUrls)},
10733
10734     {"early-document-swap-for-back-forward-transitions",
10735      flag_descriptions::kEarlyDocumentSwapForBackForwardTransitionsName,
10736      flag_descriptions::kEarlyDocumentSwapForBackForwardTransitionsDescription,
10737      kOsAll,
10738      FEATURE_VALUE_TYPE(features::kEarlyDocumentSwapForBackForwardTransitions)},
10739
10740 #if BUILDFLAG(ENABLE_EXTENSIONS)
10741     {"cws-info-fast-check", flag_descriptions::kCWSInfoFastCheckName,
10742      flag_descriptions::kCWSInfoFastCheckDescription, kOsDesktop,
10743      FEATURE_VALUE_TYPE(extensions::kCWSInfoFastCheck)},
10744
10745     {"safety-check-extensions", flag_descriptions::kSafetyCheckExtensionsName,
10746      flag_descriptions::kSafetyCheckExtensionsDescription, kOsDesktop,
10747      FEATURE_VALUE_TYPE(features::kSafetyCheckExtensions)},
10748 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
10749
10750 #if BUILDFLAG(IS_ANDROID)
10751     {"webapk-install-failure-notification",
10752      flag_descriptions::kWebApkInstallFailureNotificationName,
10753      flag_descriptions::kWebApkInstallFailureNotificationDescription,
10754      kOsAndroid,
10755      FEATURE_VALUE_TYPE(webapps::features::kWebApkInstallFailureNotification)},
10756     {"webapk-install-failure-retry",
10757      flag_descriptions::kWebApkInstallFailureRetryName,
10758      flag_descriptions::kWebApkInstallFailureRetryDescription, kOsAndroid,
10759      FEATURE_VALUE_TYPE(webapps::features::kWebApkInstallFailureRetry)},
10760 #endif  // BUILDFLAG(IS_ANDROID)
10761
10762     {"autofill-enable-cvc-storage-and-filling",
10763      flag_descriptions::kAutofillEnableCvcStorageAndFillingName,
10764      flag_descriptions::kAutofillEnableCvcStorageAndFillingDescription, kOsAll,
10765      FEATURE_VALUE_TYPE(
10766          autofill::features::kAutofillEnableCvcStorageAndFilling)},
10767
10768 #if BUILDFLAG(IS_CHROMEOS_ASH)
10769     {"drive-fs-show-cse-files", flag_descriptions::kDriveFsShowCSEFilesName,
10770      flag_descriptions::kDriveFsShowCSEFilesDescription, kOsCrOS,
10771      FEATURE_VALUE_TYPE(ash::features::kDriveFsShowCSEFiles)},
10772 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10773
10774 #if BUILDFLAG(IS_CHROMEOS_ASH)
10775     {"cros-labs-continuous-overview-animation",
10776      flag_descriptions::kContinuousOverviewScrollAnimationName,
10777      flag_descriptions::kContinuousOverviewScrollAnimationDescription, kOsCrOS,
10778      FEATURE_VALUE_TYPE(ash::features::kContinuousOverviewScrollAnimation)},
10779 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10780
10781 #if BUILDFLAG(IS_CHROMEOS_ASH)
10782     {"system-nudge-v2", flag_descriptions::kSystemNudgeV2Name,
10783      flag_descriptions::kSystemNudgeV2Description, kOsCrOS,
10784      FEATURE_VALUE_TYPE(ash::features::kSystemNudgeV2)},
10785 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10786
10787 #if BUILDFLAG(IS_CHROMEOS_ASH)
10788     {"cros-labs-window-splitting", flag_descriptions::kWindowSplittingName,
10789      flag_descriptions::kWindowSplittingDescription, kOsCrOS,
10790      FEATURE_VALUE_TYPE(ash::features::kWindowSplitting)},
10791 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10792
10793 #if BUILDFLAG(IS_CHROMEOS_ASH)
10794     {"speak-on-mute-opt-in-nudge-prefs-reset",
10795      flag_descriptions::kSpeakOnMuteOptInNudgePrefsResetName,
10796      flag_descriptions::kSpeakOnMuteOptInNudgePrefsResetDescription, kOsCrOS,
10797      FEATURE_VALUE_TYPE(ash::features::kSpeakOnMuteOptInNudgePrefsReset)},
10798 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10799
10800     {"privacy-sandbox-enrollment-overrides",
10801      flag_descriptions::kPrivacySandboxEnrollmentOverridesName,
10802      flag_descriptions::kPrivacySandboxEnrollmentOverridesDescription, kOsAll,
10803      ORIGIN_LIST_VALUE_TYPE(privacy_sandbox::kPrivacySandboxEnrollmentOverrides,
10804                             "")},
10805
10806 #if !BUILDFLAG(IS_ANDROID)
10807     {"enable-smart-card-web-api", flag_descriptions::kSmartCardWebApiName,
10808      flag_descriptions::kSmartCardWebApiDescription, kOsDesktop,
10809      FEATURE_VALUE_TYPE(blink::features::kSmartCard)},
10810     {"create-shortcut-ignores-manifest",
10811      flag_descriptions::kCreateShortcutIgnoresManifestName,
10812      flag_descriptions::kCreateShortcutIgnoresManifestDescription, kOsDesktop,
10813      FEATURE_VALUE_TYPE(webapps::features::kCreateShortcutIgnoresManifest)},
10814 #endif  // !BUILDFLAG(IS_ANDROID)
10815
10816 #if BUILDFLAG(IS_ANDROID)
10817     {"ml-mobile-pwa-prompt", flag_descriptions::kMobilePWAInstallPromptMlName,
10818      flag_descriptions::kMobilePWAInstallPromptMlDescription, kOsAndroid,
10819      FEATURE_VALUE_TYPE(webapps::features::kInstallPromptSegmentation)},
10820 #endif
10821
10822 #if BUILDFLAG(IS_ANDROID)
10823     {"mouse-and-trackpad-dropdown-menu",
10824      flag_descriptions::kMouseAndTrackpadDropdownMenuName,
10825      flag_descriptions::kMouseAndTrackpadDropdownMenuDescription, kOsAndroid,
10826      FEATURE_VALUE_TYPE(features::kMouseAndTrackpadDropdownMenu)},
10827 #endif
10828
10829 #if BUILDFLAG(IS_ANDROID)
10830     {"autofill-enable-payments-android-bottom-sheet",
10831      flag_descriptions::kAutofillEnablePaymentsAndroidBottomSheetName,
10832      flag_descriptions::kAutofillEnablePaymentsAndroidBottomSheetDescription,
10833      kOsAndroid,
10834      FEATURE_VALUE_TYPE(
10835          autofill::features::kAutofillEnablePaymentsAndroidBottomSheet)},
10836 #endif
10837
10838 #if BUILDFLAG(IS_CHROMEOS_ASH)
10839     {"asynchronous-scanner-discovery",
10840      flag_descriptions::kAsynchronousScannerDiscoveryName,
10841      flag_descriptions::kAsynchronousScannerDiscoveryDescription, kOsCrOS,
10842      FEATURE_VALUE_TYPE(ash::features::kAsynchronousScannerDiscovery)},
10843 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10844
10845 #if BUILDFLAG(IS_ANDROID)
10846     {"read-aloud", flag_descriptions::kReadAloudName,
10847      flag_descriptions::kReadAloudDescription, kOsAndroid,
10848      FEATURE_VALUE_TYPE(chrome::android::kReadAloud)},
10849 #endif
10850
10851     {"hide-incognito-media-metadata",
10852      flag_descriptions::kHideIncognitoMediaMetadataName,
10853      flag_descriptions::kHideIncognitoMediaMetadataDescription, kOsAll,
10854      FEATURE_VALUE_TYPE(media::kHideIncognitoMediaMetadata)},
10855
10856 #if BUILDFLAG(IS_ANDROID)
10857     {"advanced-peripherals-support",
10858      flag_descriptions::kAdvancedPeripheralsSupportName,
10859      flag_descriptions::kAdvancedPeripheralsSupportDescription, kOsAndroid,
10860      FEATURE_VALUE_TYPE(chrome::android::kAdvancedPeripheralsSupport)},
10861
10862     {"advanced-peripherals-support-tab-strip",
10863      flag_descriptions::kAdvancedPeripheralsSupportTabStripName,
10864      flag_descriptions::kAdvancedPeripheralsSupportTabStripDescription,
10865      kOsAndroid,
10866      FEATURE_VALUE_TYPE(chrome::android::kAdvancedPeripheralsSupportTabStrip)},
10867 #endif  // BUILDFLAG(IS_ANDROID)
10868
10869 #if BUILDFLAG(IS_ANDROID)
10870     {"grid-tab-switcher-landscape-aspect-ratio-phones",
10871      flag_descriptions::kGridTabSwitcherLandscapeAspectRatioPhonesName,
10872      flag_descriptions::kGridTabSwitcherLandscapeAspectRatioPhonesDescription,
10873      kOsAndroid,
10874      FEATURE_VALUE_TYPE(
10875          chrome::android::kGridTabSwitcherLandscapeAspectRatioPhones)},
10876 #endif
10877
10878 #if BUILDFLAG(IS_ANDROID)
10879     {"filling-across-affiliated-websites-android",
10880      flag_descriptions::kFillingAcrossAffiliatedWebsitesName,
10881      flag_descriptions::kFillingAcrossAffiliatedWebsitesDescription, kOsAndroid,
10882      FEATURE_VALUE_TYPE(
10883          password_manager::features::kFillingAcrossAffiliatedWebsitesAndroid)},
10884 #endif
10885
10886 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
10887     {"third-party-profile-management",
10888      flag_descriptions::kThirdPartyProfileManagementName,
10889      flag_descriptions::kThirdPartyProfileManagementDescription,
10890      kOsLinux | kOsMac | kOsWin,
10891      FEATURE_VALUE_TYPE(
10892          profile_management::features::kThirdPartyProfileManagement)},
10893
10894     {"uno-desktop", flag_descriptions::kUnoDesktopName,
10895      flag_descriptions::kUnoDesktopDescription, kOsLinux | kOsMac | kOsWin,
10896      FEATURE_VALUE_TYPE(switches::kUnoDesktop)},
10897
10898     {"enable-user-link-capturing-pwa",
10899      flag_descriptions::kDesktopPWAsUserLinkCapturingName,
10900      flag_descriptions::kDesktopPWAsUserLinkCapturingDescription,
10901      kOsLinux | kOsMac | kOsWin,
10902      FEATURE_VALUE_TYPE(apps::features::kDesktopPWAsLinkCapturing)},
10903 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
10904
10905     {"forgot-password-form-support",
10906      flag_descriptions::kForgotPasswordFormSupportName,
10907      flag_descriptions::kForgotPasswordFormSupportDescription, kOsAll,
10908      FEATURE_VALUE_TYPE(
10909          password_manager::features::kForgotPasswordFormSupport)},
10910
10911     {"ip-protection-proxy-opt-out",
10912      flag_descriptions::kIpProtectionProxyOptOutName,
10913      flag_descriptions::kIpProtectionProxyOptOutDescription, kOsAll,
10914      MULTI_VALUE_TYPE(kIpProtectionProxyOptOutChoices)},
10915
10916 #if BUILDFLAG(IS_ANDROID)
10917     {"autofill-enable-android-n-key-for-fido-authentication",
10918      flag_descriptions::kAutofillEnableAndroidNKeyForFidoAuthenticationName,
10919      flag_descriptions::
10920          kAutofillEnableAndroidNKeyForFidoAuthenticationDescription,
10921      kOsAndroid,
10922      FEATURE_VALUE_TYPE(
10923          autofill::features::kAutofillEnableAndroidNKeyForFidoAuthentication)},
10924 #endif  // BUILDFLAG(IS_ANDROID)
10925
10926     {"protected-audience-debug-token",
10927      flag_descriptions::kProtectedAudiencesConsentedDebugTokenName,
10928      flag_descriptions::kProtectedAudiencesConsentedDebugTokenDescription,
10929      kOsAll,
10930      STRING_VALUE_TYPE(switches::kProtectedAudiencesConsentedDebugToken, "")},
10931
10932     {"deprecate-unload", flag_descriptions::kDeprecateUnloadName,
10933      flag_descriptions::kDeprecateUnloadDescription, kOsAll | kDeprecated,
10934      FEATURE_VALUE_TYPE(blink::features::kDeprecateUnload)},
10935
10936     {"autofill-enable-fpan-risk-based-authentication",
10937      flag_descriptions::kAutofillEnableFpanRiskBasedAuthenticationName,
10938      flag_descriptions::kAutofillEnableFpanRiskBasedAuthenticationDescription,
10939      kOsAll,
10940      FEATURE_VALUE_TYPE(
10941          autofill::features::kAutofillEnableFpanRiskBasedAuthentication)},
10942
10943 #if !BUILDFLAG(IS_ANDROID) && !BUILDFLAG(IS_CHROMEOS)
10944     {"cco-test1", flag_descriptions::kCcoTest1Name,
10945      flag_descriptions::kCcoTest1Description, kOsLinux | kOsMac | kOsWin,
10946      FEATURE_VALUE_TYPE(features::kCcoTest1)},
10947 #endif
10948
10949     {"draw-immediately-when-interactive",
10950      flag_descriptions::kDrawImmediatelyWhenInteractiveName,
10951      flag_descriptions::kDrawImmediatelyWhenInteractiveDescription, kOsAll,
10952      FEATURE_VALUE_TYPE(features::kDrawImmediatelyWhenInteractive)},
10953
10954 #if BUILDFLAG(IS_CHROMEOS_ASH)
10955     {"almanac-game-migration", flag_descriptions::kAlmanacGameMigrationName,
10956      flag_descriptions::kAlmanacGameMigrationDescription, kOsCrOS,
10957      FEATURE_VALUE_TYPE(apps::kAlmanacGameMigration)},
10958 #endif
10959
10960 #if BUILDFLAG(IS_MAC)
10961     {"enable-mac-pwas-notification-attribution",
10962      flag_descriptions::kMacPWAsNotificationAttributionName,
10963      flag_descriptions::kMacPWAsNotificationAttributionDescription, kOsMac,
10964      FEATURE_VALUE_TYPE(features::kAppShimNotificationAttribution)},
10965 #endif  // BUILDFLAG(IS_MAC)
10966
10967     {"indexed-db-compress-values-with-snappy",
10968      flag_descriptions::kIndexedDBCompressValuesWithSnappy,
10969      flag_descriptions::kIndexedDBCompressValuesWithSnappyDescription, kOsAll,
10970      FEATURE_VALUE_TYPE(blink::features::kIndexedDBCompressValuesWithSnappy)},
10971
10972     {"indexed-db-default-durability-relaxed",
10973      flag_descriptions::kIndexedDBDefaultDurabilityRelaxed,
10974      flag_descriptions::kIndexedDBDefaultDurabilityRelaxed, kOsAll,
10975      FEATURE_VALUE_TYPE(storage::kDefaultBucketUsesRelaxedDurability)},
10976
10977     {"autofill-enable-server-iban",
10978      flag_descriptions::kAutofillEnableServerIbanName,
10979      flag_descriptions::kAutofillEnableServerIbanDescription, kOsDesktop,
10980      FEATURE_VALUE_TYPE(autofill::features::kAutofillEnableServerIban)},
10981
10982 #if !BUILDFLAG(IS_ANDROID)
10983     {"enable-manta-service", flag_descriptions::kEnableMantaServiceName,
10984      flag_descriptions::kEnableMantaServiceDescription, kOsDesktop,
10985      FEATURE_VALUE_TYPE(manta::features::kMantaService)},
10986 #endif  // !BUILDFLAG(IS_ANDROID)
10987
10988 #if BUILDFLAG(IS_CHROMEOS_ASH)
10989     {"advanced-documentscan-api",
10990      flag_descriptions::kAdvancedDocumentScanApiName,
10991      flag_descriptions::kAdvancedDocumentScanApiDescription, kOsCrOS,
10992      FEATURE_VALUE_TYPE(ash::features::kAdvancedDocumentScanAPI)},
10993 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
10994
10995 #if BUILDFLAG(ENABLE_HLS_DEMUXER)
10996     {"enable-builtin-hls", flag_descriptions::kEnableBuiltinHlsName,
10997      flag_descriptions::kEnableBuiltinHlsDescription, kOsAll,
10998      FEATURE_VALUE_TYPE(media::kBuiltInHlsPlayer)},
10999 #endif
11000
11001 #if !BUILDFLAG(IS_CHROMEOS_ASH)
11002     {"profiles-reordering", flag_descriptions::kProfilesReorderingName,
11003      flag_descriptions::kProfilesReorderingDescription, kOsDesktop,
11004      FEATURE_VALUE_TYPE(kProfilesReordering)},
11005 #endif
11006
11007 #if BUILDFLAG(IS_ANDROID)
11008     {"hide-tab-on-tab-switcher", flag_descriptions::kHideTabOnTabSwitcherName,
11009      flag_descriptions::kHideTabOnTabSwitcherDescription, kOsAndroid,
11010      FEATURE_VALUE_TYPE(chrome::android::kHideTabOnTabSwitcher)},
11011 #endif  // BUILDFLAG(IS_ANDROID)
11012
11013     {"autofill-enable-merchant-domain-in-unmask-card-request",
11014      flag_descriptions::kAutofillEnableMerchantDomainInUnmaskCardRequestName,
11015      flag_descriptions::
11016          kAutofillEnableMerchantDomainInUnmaskCardRequestDescription,
11017      kOsAll,
11018      FEATURE_VALUE_TYPE(
11019          autofill::features::kAutofillEnableMerchantDomainInUnmaskCardRequest)},
11020
11021     {"autofill-update-chrome-settings-link-to-gpay-web",
11022      flag_descriptions::kAutofillUpdateChromeSettingsLinkToGPayWebName,
11023      flag_descriptions::kAutofillUpdateChromeSettingsLinkToGPayWebDescription,
11024      kOsAll,
11025      FEATURE_VALUE_TYPE(
11026          autofill::features::kAutofillUpdateChromeSettingsLinkToGPayWeb)},
11027
11028 #if !BUILDFLAG(IS_ANDROID)
11029     {"new-confirmation-bubble-for-generated-passwords",
11030      flag_descriptions::kNewConfirmationBubbleForGeneratedPasswordsName,
11031      flag_descriptions::kNewConfirmationBubbleForGeneratedPasswordsDescription,
11032      kOsDesktop,
11033      FEATURE_VALUE_TYPE(password_manager::features::
11034                             kNewConfirmationBubbleForGeneratedPasswords)},
11035 #endif  // !BUILDFLAG(IS_ANDROID)
11036
11037     {"enable-secure-payment-confirmation-extensions",
11038      flag_descriptions::kSecurePaymentConfirmationExtensionsName,
11039      flag_descriptions::kSecurePaymentConfirmationExtensionsDescription, kOsAll,
11040      FEATURE_VALUE_TYPE(blink::features::kSecurePaymentConfirmationExtensions)},
11041
11042 #if BUILDFLAG(IS_CHROMEOS_ASH)
11043     {"enable-runtime-counters-telemetry",
11044      flag_descriptions::kEnableRuntimeCountersTelemetryName,
11045      flag_descriptions::kEnableRuntimeCountersTelemetryDescription, kOsCrOS,
11046      FEATURE_VALUE_TYPE(reporting::kEnableRuntimeCountersTelemetry)},
11047 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
11048 #if BUILDFLAG(IS_CHROMEOS_ASH)
11049     {"upstream-trusted-reports-firmware",
11050      flag_descriptions::kUpstreamTrustedReportsFirmwareName,
11051      flag_descriptions::kUpstreamTrustedReportsFirmwareDescription, kOsCrOS,
11052      FEATURE_VALUE_TYPE(ash::features::kUpstreamTrustedReportsFirmware)},
11053 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
11054
11055 #if BUILDFLAG(IS_CHROMEOS_ASH)
11056     {"ipp-first-setup-for-usb-printers",
11057      flag_descriptions::kIppFirstSetupForUsbPrintersName,
11058      flag_descriptions::kIppFirstSetupForUsbPrintersDescription, kOsCrOS,
11059      FEATURE_VALUE_TYPE(ash::features::kIppFirstSetupForUsbPrinters)},
11060 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
11061
11062 #if BUILDFLAG(ENABLE_BOUND_SESSION_CREDENTIALS)
11063     {"enable-bound-session-credentials",
11064      flag_descriptions::kEnableBoundSessionCredentialsName,
11065      flag_descriptions::kEnableBoundSessionCredentialsDescription,
11066      kOsMac | kOsWin | kOsLinux,
11067      FEATURE_WITH_PARAMS_VALUE_TYPE(switches::kEnableBoundSessionCredentials,
11068                                     kEnableBoundSessionCredentialsVariations,
11069                                     "EnableBoundSessionCredentials")},
11070 #endif  // BUILDFLAG(ENABLE_BOUND_SESSION_CREDENTIALS)
11071
11072 #if BUILDFLAG(IS_CHROMEOS_ASH)
11073     {"cros-soul", flag_descriptions::kCrosSoulName,
11074      flag_descriptions::kCrosSoulDescription, kOsCrOS,
11075      PLATFORM_FEATURE_NAME_TYPE("CrOSLateBootCrOSSOUL")},
11076 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
11077     {"use-shared-images-for-pepper-video",
11078      flag_descriptions::kUseSharedImagesForPepperVideoName,
11079      flag_descriptions::kUseSharedImagesForPepperVideoDescription, kOsAll,
11080      FEATURE_VALUE_TYPE(media::kUseSharedImagesForPepperVideo)},
11081
11082 #if BUILDFLAG(IS_ANDROID)
11083     {"grid-tab-switcher-android-animations",
11084      flag_descriptions::kGridTabSwitcherAndroidAnimationsName,
11085      flag_descriptions::kGridTabSwitcherAndroidAnimationsDescription,
11086      kOsAndroid,
11087      FEATURE_VALUE_TYPE(chrome::android::kGridTabSwitcherAndroidAnimations)},
11088 #endif  // !BUILDFLAG(IS_ANDROID)
11089
11090 #if BUILDFLAG(ENABLE_LIBRARY_CDMS)
11091     {"cdm-storage-database", flag_descriptions::kCdmStorageDatabaseName,
11092      flag_descriptions::kCdmStorageDatabaseDescription, kOsDesktop,
11093      FEATURE_VALUE_TYPE(features::kCdmStorageDatabase)},
11094
11095     {"cdm-storage-database-migration",
11096      flag_descriptions::kCdmStorageDatabaseMigrationName,
11097      flag_descriptions::kCdmStorageDatabaseMigrationDescription, kOsDesktop,
11098      FEATURE_VALUE_TYPE(features::kCdmStorageDatabaseMigration)},
11099 #endif  // BUILDFLAG(ENABLE_LIBRARY_CDMS)
11100
11101 #if BUILDFLAG(IS_ANDROID)
11102     {"defer-tab-switcher-layout-creation",
11103      flag_descriptions::kDeferTabSwitcherLayoutCreationName,
11104      flag_descriptions::kDeferTabSwitcherLayoutCreationDescription, kOsAndroid,
11105      FEATURE_VALUE_TYPE(chrome::android::kDeferTabSwitcherLayoutCreation)},
11106 #endif  // BUILDFLAG(IS_ANDROID)
11107
11108     {"observable-api", flag_descriptions::kObservableAPIName,
11109      flag_descriptions::kObservableAPIDescription, kOsAll,
11110      FEATURE_VALUE_TYPE(blink::features::kObservableAPI)},
11111
11112 #if BUILDFLAG(IS_ANDROID)
11113     {"android-hub", flag_descriptions::kAndroidHubName,
11114      flag_descriptions::kAndroidHubDescription, kOsAndroid,
11115      FEATURE_WITH_PARAMS_VALUE_TYPE(chrome::android::kAndroidHub,
11116                                     kAndroidHubVariations,
11117                                     "AndroidHub")},
11118 #endif  // !BUILDFLAG(IS_ANDROID)
11119
11120 #if BUILDFLAG(IS_WIN)
11121     {"enable-web-app-system-media-controls-win",
11122      flag_descriptions::kWebAppSystemMediaControlsWinName,
11123      flag_descriptions::kWebAppSystemMediaControlsWinDescription, kOsWin,
11124      FEATURE_VALUE_TYPE(webapps::features::kWebAppSystemMediaControlsWin)},
11125 #endif  // BUILDFLAG(IS_WIN)
11126
11127 #if BUILDFLAG(IS_CHROMEOS)
11128     {"app-to-app-link-capturing", flag_descriptions::kAppToAppLinkCapturingName,
11129      flag_descriptions::kAppToAppLinkCapturingDescription, kOsCrOS,
11130      FEATURE_VALUE_TYPE(apps::features::kAppToAppLinkCapturing)},
11131
11132     {"app-to-app-link-capturing-workspace-apps",
11133      flag_descriptions::kAppToAppLinkCapturingWorkspaceAppsName,
11134      flag_descriptions::kAppToAppLinkCapturingWorkspaceAppsDescription, kOsCrOS,
11135      FEATURE_VALUE_TYPE(apps::features::kAppToAppLinkCapturingWorkspaceApps)},
11136 #endif  // BUILDFLAG(IS_CHROMEOS)
11137
11138     {"related-website-sets-permission-grants",
11139      flag_descriptions::kShowRelatedWebsiteSetsPermissionGrantsName,
11140      flag_descriptions::kShowRelatedWebsiteSetsPermissionGrantsDescription,
11141      kOsDesktop | kOsAndroid,
11142      FEATURE_VALUE_TYPE(
11143          permissions::features::kShowRelatedWebsiteSetsPermissionGrants)},
11144
11145     {"password-parsing-on-save-uses-predictions",
11146      flag_descriptions::kPasswordParsingOnSaveUsesPredictionsName,
11147      flag_descriptions::kPasswordParsingOnSaveUsesPredictionsDescription,
11148      kOsAll,
11149      FEATURE_VALUE_TYPE(
11150          password_manager::features::kUseServerPredictionsOnSaveParsing)},
11151
11152 #if BUILDFLAG(IS_ANDROID)
11153     {"upm-local-no-migration",
11154      flag_descriptions::
11155          kUnifiedPasswordManagerLocalPasswordsAndroidNoMigrationName,
11156      flag_descriptions::
11157          kUnifiedPasswordManagerLocalPasswordsAndroidNoMigrationDescription,
11158      kOsAndroid,
11159      FEATURE_VALUE_TYPE(
11160          password_manager::features::
11161              kUnifiedPasswordManagerLocalPasswordsAndroidNoMigration)},
11162 #endif  // BUILDFLAG(IS_ANDROID)
11163
11164 #if BUILDFLAG(IS_CHROMEOS_ASH)
11165     {"app-install-service-uri", flag_descriptions::kAppInstallServiceUriName,
11166      flag_descriptions::kAppInstallServiceUriDescription, kOsCrOS,
11167      FEATURE_VALUE_TYPE(chromeos::features::kAppInstallServiceUri)},
11168
11169     {"coral-feature-key", flag_descriptions::kCoralFeatureKeyName,
11170      flag_descriptions::kCoralFeatureKeyDescription, kOsCrOS,
11171      STRING_VALUE_TYPE(ash::switches::kCoralFeatureKey, "")},
11172
11173 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
11174
11175 #if BUILDFLAG(ENABLE_FFMPEG_VIDEO_DECODERS)
11176     {"theora-video-codec", flag_descriptions::kTheoraVideoCodecName,
11177      flag_descriptions::kTheoraVideoCodecDescription, kOsDesktop,
11178      FEATURE_VALUE_TYPE(media::kTheoraVideoCodec)},
11179 #endif
11180
11181     {"sync-session-on-visibility-changed",
11182      flag_descriptions::kSyncSessionOnVisibilityChangedName,
11183      flag_descriptions::kSyncSessionOnVisibilityChangedDescription, kOsAll,
11184      FEATURE_VALUE_TYPE(syncer::kSyncSessionOnVisibilityChanged)},
11185
11186 #if !BUILDFLAG(IS_ANDROID)
11187     {"password-generation-strong-label-experiment",
11188      flag_descriptions::kPasswordGenerationStrongLabelExperimentName,
11189      flag_descriptions::kPasswordGenerationStrongLabelExperimentDescription,
11190      kOsDesktop, FEATURE_VALUE_TYPE(blink::features::kPasswordStrongLabel)},
11191 #endif
11192
11193 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
11194     {"attach-logs-to-autofill-rater-extentsion-report",
11195      flag_descriptions::kAttachLogsToAutofillRaterExtensionReportName,
11196      flag_descriptions::kAttachLogsToAutofillRaterExtensionReportDescription,
11197      kOsMac | kOsWin | kOsLinux,
11198      FEATURE_VALUE_TYPE(password_manager::features::
11199                             kAttachLogsToAutofillRaterExtensionReport)},
11200 #endif
11201
11202 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
11203     {"fill-multi-line", flag_descriptions::kFillMultiLineName,
11204      flag_descriptions::kFillMultiLineDescription, kOsWin | kOsLinux | kOsMac,
11205      FEATURE_VALUE_TYPE(compose::features::kFillMultiLine)},
11206 #endif
11207
11208 #if !BUILDFLAG(IS_ANDROID)
11209     {"trusted-vault-frequent-degraded-recoverability-polling",
11210      flag_descriptions::kTrustedVaultFrequentDegradedRecoverabilityPollingName,
11211      flag_descriptions::
11212          kTrustedVaultFrequentDegradedRecoverabilityPollingDescription,
11213      kOsDesktop,
11214      FEATURE_VALUE_TYPE(
11215          trusted_vault::kTrustedVaultFrequentDegradedRecoverabilityPolling)}
11216 #endif
11217     // NOTE: Adding a new flag requires adding a corresponding entry to enum
11218     // "LoginCustomFlags" in tools/metrics/histograms/enums.xml. See "Flag
11219     // Histograms" in tools/metrics/histograms/README.md (run the
11220     // AboutFlagsHistogramTest unit test to verify this process).
11221 };
11222
11223 class FlagsStateSingleton : public flags_ui::FlagsState::Delegate {
11224  public:
11225   FlagsStateSingleton()
11226       : flags_state_(
11227             std::make_unique<flags_ui::FlagsState>(kFeatureEntries, this)) {}
11228   FlagsStateSingleton(const FlagsStateSingleton&) = delete;
11229   FlagsStateSingleton& operator=(const FlagsStateSingleton&) = delete;
11230   ~FlagsStateSingleton() override = default;
11231
11232   static FlagsStateSingleton* GetInstance() {
11233     return base::Singleton<FlagsStateSingleton>::get();
11234   }
11235
11236   static flags_ui::FlagsState* GetFlagsState() {
11237     return GetInstance()->flags_state_.get();
11238   }
11239
11240   void RebuildState(const std::vector<flags_ui::FeatureEntry>& entries) {
11241     flags_state_ = std::make_unique<flags_ui::FlagsState>(entries, this);
11242   }
11243
11244   void RestoreDefaultState() {
11245     flags_state_ =
11246         std::make_unique<flags_ui::FlagsState>(kFeatureEntries, this);
11247   }
11248
11249  private:
11250   // flags_ui::FlagsState::Delegate:
11251   bool ShouldExcludeFlag(const flags_ui::FlagsStorage* storage,
11252                          const FeatureEntry& entry) override {
11253     return flags::IsFlagExpired(storage, entry.internal_name);
11254   }
11255
11256   std::unique_ptr<flags_ui::FlagsState> flags_state_;
11257 };
11258
11259 bool ShouldSkipNonDeprecatedFeatureEntry(const FeatureEntry& entry) {
11260   return ~entry.supported_platforms & kDeprecated;
11261 }
11262
11263 }  // namespace
11264
11265 #if BUILDFLAG(IS_CHROMEOS_ASH)
11266 // This method may be invoked both synchronously or asynchronously. Based on
11267 // whether the current user is the owner of the device, generates the
11268 // appropriate flag storage.
11269 void GetStorageAsync(Profile* profile,
11270                      GetStorageCallback callback,
11271                      bool current_user_is_owner) {
11272   // On ChromeOS the owner can set system wide flags and other users can only
11273   // set flags for their own session.
11274   if (current_user_is_owner) {
11275     ash::OwnerSettingsServiceAsh* service =
11276         ash::OwnerSettingsServiceAshFactory::GetForBrowserContext(profile);
11277     std::move(callback).Run(
11278         std::make_unique<ash::about_flags::OwnerFlagsStorage>(
11279             profile->GetPrefs(), service),
11280         flags_ui::kOwnerAccessToFlags);
11281   } else {
11282     std::move(callback).Run(std::make_unique<flags_ui::PrefServiceFlagsStorage>(
11283                                 profile->GetPrefs()),
11284                             flags_ui::kGeneralAccessFlagsOnly);
11285   }
11286 }
11287 #endif
11288
11289 // ash-chrome uses different storage flag storage logic from other desktop
11290 // platforms.
11291 void GetStorage(Profile* profile, GetStorageCallback callback) {
11292 #if BUILDFLAG(IS_CHROMEOS_ASH)
11293   // Bypass possible incognito profile.
11294   // On ChromeOS the owner can set system wide flags and other users can only
11295   // set flags for their own session.
11296   Profile* original_profile = profile->GetOriginalProfile();
11297   if (base::SysInfo::IsRunningOnChromeOS() &&
11298       ash::OwnerSettingsServiceAshFactory::GetForBrowserContext(
11299           original_profile)) {
11300     ash::OwnerSettingsServiceAsh* service =
11301         ash::OwnerSettingsServiceAshFactory::GetForBrowserContext(
11302             original_profile);
11303     service->IsOwnerAsync(base::BindOnce(&GetStorageAsync, original_profile,
11304                                          std::move(callback)));
11305   } else {
11306     GetStorageAsync(original_profile, std::move(callback),
11307                     /*current_user_is_owner=*/false);
11308   }
11309 #else
11310   std::move(callback).Run(std::make_unique<flags_ui::PrefServiceFlagsStorage>(
11311                               g_browser_process->local_state()),
11312                           flags_ui::kOwnerAccessToFlags);
11313 #endif
11314 }
11315
11316 bool ShouldSkipConditionalFeatureEntry(const flags_ui::FlagsStorage* storage,
11317                                        const FeatureEntry& entry) {
11318   version_info::Channel channel = chrome::GetChannel();
11319 #if BUILDFLAG(IS_CHROMEOS_ASH)
11320   // enable-projector-server-side-speech-recognition is only available if
11321   // the InternalServerSideSpeechRecognitionControl flag is enabled as well.
11322   if (!strcmp(kProjectorServerSideSpeechRecognition, entry.internal_name)) {
11323     return !ash::features::
11324         IsInternalServerSideSpeechRecognitionControlEnabled();
11325   }
11326
11327   // enable-ui-devtools is only available on for non Stable channels.
11328   if (!strcmp(ui_devtools::switches::kEnableUiDevTools, entry.internal_name) &&
11329       channel == version_info::Channel::STABLE) {
11330     return true;
11331   }
11332
11333   // Skip lacros-availability-policy always. This is a pseudo entry
11334   // and used to carry the policy value crossing the Chrome's lifetime.
11335   if (!strcmp(ash::standalone_browser::kLacrosAvailabilityPolicyInternalName,
11336               entry.internal_name)) {
11337     return true;
11338   }
11339
11340   // Skip lacros-backward-data-migration-policy always. This is a pseudo entry
11341   // and used to carry the policy value crossing the Chrome's lifetime.
11342   if (!strcmp(crosapi::browser_util::
11343                   kLacrosDataBackwardMigrationModePolicyInternalName,
11344               entry.internal_name)) {
11345     return true;
11346   }
11347   // Skip lacros-selection if it is controlled by LacrosSelection policy.
11348   if (!strcmp(kLacrosSelectionInternalName, entry.internal_name)) {
11349     return crosapi::browser_util::GetCachedLacrosSelectionPolicy() !=
11350            crosapi::browser_util::LacrosSelectionPolicy::kUserChoice;
11351   }
11352
11353   if (!strcmp(kPreferDcheckInternalName, entry.internal_name)) {
11354     return !crosapi::browser_util::IsLacrosAllowedToBeEnabled();
11355   }
11356
11357   if (!strcmp(kLacrosStabilityInternalName, entry.internal_name)) {
11358     return !crosapi::browser_util::IsLacrosAllowedToBeEnabled();
11359   }
11360
11361   if (!strcmp(kLacrosOnlyInternalName, entry.internal_name)) {
11362     return !crosapi::browser_util::IsLacrosOnlyFlagAllowed();
11363   }
11364
11365   if (!strcmp(kArcEnableVirtioBlkForDataInternalName, entry.internal_name)) {
11366     return !arc::IsArcVmEnabled();
11367   }
11368
11369   if (!strcmp(kEnableSuspendToDiskInternalName, entry.internal_name) ||
11370       !strcmp(kEnableSuspendToDiskAllowS4InternalName, entry.internal_name)) {
11371     // All Suspend to disk flags require that hibernate is supported.
11372     if (!ash::HibernateManager::IsHibernateSupported()) {
11373       return true;
11374     }
11375
11376     // We only show the suspend to disk allow S4 flag on systems that have
11377     // aeskl.
11378     if (!strcmp(kEnableSuspendToDiskAllowS4InternalName, entry.internal_name)) {
11379       return !ash::HibernateManager::HasAESKL();
11380     }
11381
11382     return false;
11383   }
11384
11385   // Only show Borealis flags on enabled devices.
11386   if (!strcmp(kBorealisBigGlInternalName, entry.internal_name)) {
11387     return !base::FeatureList::IsEnabled(features::kBorealis);
11388   }
11389
11390   if (!strcmp(kBorealisDGPUInternalName, entry.internal_name)) {
11391     return !base::FeatureList::IsEnabled(features::kBorealis);
11392   }
11393
11394   if (!strcmp(kBorealisForceBetaClientInternalName, entry.internal_name)) {
11395     return !base::FeatureList::IsEnabled(features::kBorealis);
11396   }
11397
11398   if (!strcmp(kBorealisForceDoubleScaleInternalName, entry.internal_name)) {
11399     return !base::FeatureList::IsEnabled(features::kBorealis);
11400   }
11401
11402   if (!strcmp(kBorealisLinuxModeInternalName, entry.internal_name)) {
11403     return !base::FeatureList::IsEnabled(features::kBorealis);
11404   }
11405
11406   if (!strcmp(kBorealisPermittedInternalName, entry.internal_name)) {
11407     return !base::FeatureList::IsEnabled(features::kBorealis);
11408   }
11409
11410   if (!strcmp(kBorealisProvisionInternalName, entry.internal_name)) {
11411     return !base::FeatureList::IsEnabled(features::kBorealis);
11412   }
11413
11414   if (!strcmp(kBorealisWebUIInstallerInternalName, entry.internal_name)) {
11415     return !base::FeatureList::IsEnabled(features::kBorealis);
11416   }
11417
11418   // Only show wallpaper fast refresh flag if channel is one of
11419   // Dev/Canary/Unknown.
11420   if (!strcmp(kWallpaperFastRefreshInternalName, entry.internal_name)) {
11421     return (channel != version_info::Channel::DEV &&
11422             channel != version_info::Channel::CANARY &&
11423             channel != version_info::Channel::UNKNOWN);
11424   }
11425
11426   // Only show clipboard history longpress flag if channel is one of
11427   // Beta/Dev/Canary/Unknown.
11428   if (!strcmp(kClipboardHistoryLongpressInternalName, entry.internal_name)) {
11429     return channel != version_info::Channel::BETA &&
11430            channel != version_info::Channel::DEV &&
11431            channel != version_info::Channel::CANARY &&
11432            channel != version_info::Channel::UNKNOWN;
11433   }
11434
11435   // Disable and prevent users from enabling Floss on boards that were
11436   // explicitly built without it (b/228902194 for more info).
11437   if (!strcmp(kBluetoothUseFlossInternalName, entry.internal_name)) {
11438     return floss::features::IsFlossAvailabilityCheckNeeded() &&
11439            base::FeatureList::GetInstance()->IsFeatureOverriddenFromCommandLine(
11440                floss::features::kFlossIsAvailable.name,
11441                base::FeatureList::OVERRIDE_DISABLE_FEATURE);
11442   }
11443
11444   // Only show Time of Day wallpaper flag if channel is one of
11445   // Dev/Canary/Unknown.
11446   if (!strcmp(kTimeOfDayWallpaperInternalName, entry.internal_name)) {
11447     return (channel != version_info::Channel::DEV &&
11448             channel != version_info::Channel::CANARY &&
11449             channel != version_info::Channel::UNKNOWN);
11450   }
11451
11452   // Only show Time of Day Screen Saver flag if channel is one of
11453   // Dev/Canary/Unknown.
11454   if (!strcmp(kTimeOfDayScreenSaverInternalName, entry.internal_name)) {
11455     return (channel != version_info::Channel::DEV &&
11456             channel != version_info::Channel::CANARY &&
11457             channel != version_info::Channel::UNKNOWN);
11458   }
11459
11460   // Only show glanceables flag if channel is one of Beta/Dev/Canary/Unknown.
11461   if (!strcmp(kGlanceablesV2InternalName, entry.internal_name)) {
11462     return channel != version_info::Channel::BETA &&
11463            channel != version_info::Channel::DEV &&
11464            channel != version_info::Channel::CANARY &&
11465            channel != version_info::Channel::UNKNOWN;
11466   }
11467 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
11468
11469   // enable-unsafe-webgpu is only available on Dev/Canary channels.
11470   if (!strcmp("enable-unsafe-webgpu", entry.internal_name) &&
11471       channel != version_info::Channel::DEV &&
11472       channel != version_info::Channel::CANARY &&
11473       channel != version_info::Channel::UNKNOWN) {
11474     return true;
11475   }
11476
11477   if (flags::IsFlagExpired(storage, entry.internal_name)) {
11478     return true;
11479   }
11480
11481   return false;
11482 }
11483
11484 void ConvertFlagsToSwitches(flags_ui::FlagsStorage* flags_storage,
11485                             base::CommandLine* command_line,
11486                             flags_ui::SentinelsMode sentinels) {
11487   if (command_line->HasSwitch(switches::kNoExperiments)) {
11488     return;
11489   }
11490
11491   FlagsStateSingleton::GetFlagsState()->ConvertFlagsToSwitches(
11492       flags_storage, command_line, sentinels, switches::kEnableFeatures,
11493       switches::kDisableFeatures);
11494 }
11495
11496 std::vector<std::string> RegisterAllFeatureVariationParameters(
11497     flags_ui::FlagsStorage* flags_storage,
11498     base::FeatureList* feature_list) {
11499   return FlagsStateSingleton::GetFlagsState()
11500       ->RegisterAllFeatureVariationParameters(flags_storage, feature_list);
11501 }
11502
11503 void GetFlagFeatureEntries(flags_ui::FlagsStorage* flags_storage,
11504                            flags_ui::FlagAccess access,
11505                            base::Value::List& supported_entries,
11506                            base::Value::List& unsupported_entries) {
11507   FlagsStateSingleton::GetFlagsState()->GetFlagFeatureEntries(
11508       flags_storage, access, supported_entries, unsupported_entries,
11509       base::BindRepeating(&ShouldSkipConditionalFeatureEntry,
11510                           // Unretained: this callback doesn't outlive this
11511                           // stack frame.
11512                           base::Unretained(flags_storage)));
11513 }
11514
11515 void GetFlagFeatureEntriesForDeprecatedPage(
11516     flags_ui::FlagsStorage* flags_storage,
11517     flags_ui::FlagAccess access,
11518     base::Value::List& supported_entries,
11519     base::Value::List& unsupported_entries) {
11520   FlagsStateSingleton::GetFlagsState()->GetFlagFeatureEntries(
11521       flags_storage, access, supported_entries, unsupported_entries,
11522       base::BindRepeating(&ShouldSkipNonDeprecatedFeatureEntry));
11523 }
11524
11525 flags_ui::FlagsState* GetCurrentFlagsState() {
11526   return FlagsStateSingleton::GetFlagsState();
11527 }
11528
11529 bool IsRestartNeededToCommitChanges() {
11530   return FlagsStateSingleton::GetFlagsState()->IsRestartNeededToCommitChanges();
11531 }
11532
11533 void SetFeatureEntryEnabled(flags_ui::FlagsStorage* flags_storage,
11534                             const std::string& internal_name,
11535                             bool enable) {
11536   FlagsStateSingleton::GetFlagsState()->SetFeatureEntryEnabled(
11537       flags_storage, internal_name, enable);
11538 }
11539
11540 void SetOriginListFlag(const std::string& internal_name,
11541                        const std::string& value,
11542                        flags_ui::FlagsStorage* flags_storage) {
11543   FlagsStateSingleton::GetFlagsState()->SetOriginListFlag(internal_name, value,
11544                                                           flags_storage);
11545 }
11546
11547 void SetStringFlag(const std::string& internal_name,
11548                    const std::string& value,
11549                    flags_ui::FlagsStorage* flags_storage) {
11550   FlagsStateSingleton::GetFlagsState()->SetStringFlag(internal_name, value,
11551                                                       flags_storage);
11552 }
11553
11554 void RemoveFlagsSwitches(base::CommandLine::SwitchMap* switch_list) {
11555   FlagsStateSingleton::GetFlagsState()->RemoveFlagsSwitches(switch_list);
11556 }
11557
11558 void ResetAllFlags(flags_ui::FlagsStorage* flags_storage) {
11559   FlagsStateSingleton::GetFlagsState()->ResetAllFlags(flags_storage);
11560 }
11561
11562 #if BUILDFLAG(IS_CHROMEOS)
11563 void CrosUrlFlagsRedirect() {
11564 #if BUILDFLAG(IS_CHROMEOS_LACROS)
11565   lacros_url_handling::NavigateInAsh(GURL(chrome::kChromeUIFlagsURL));
11566 #else
11567   // Note: This will only be called by the UI when Lacros is available.
11568   DCHECK(crosapi::BrowserManager::Get());
11569   crosapi::BrowserManager::Get()->SwitchToTab(
11570       GURL(chrome::kChromeUIFlagsURL),
11571       /*path_behavior=*/NavigateParams::RESPECT);
11572 #endif
11573 }
11574 #endif
11575
11576 void RecordUMAStatistics(flags_ui::FlagsStorage* flags_storage,
11577                          const std::string& histogram_name) {
11578   std::set<std::string> switches;
11579   std::set<std::string> features;
11580   std::set<std::string> variation_ids;
11581   FlagsStateSingleton::GetFlagsState()->GetSwitchesAndFeaturesFromFlags(
11582       flags_storage, &switches, &features, &variation_ids);
11583   // Don't report variation IDs since we don't have an UMA histogram for them.
11584   flags_ui::ReportAboutFlagsHistogram(histogram_name, switches, features);
11585 }
11586
11587 namespace testing {
11588
11589 std::vector<FeatureEntry>* GetEntriesForTesting() {
11590   static base::NoDestructor<std::vector<FeatureEntry>> entries;
11591   return entries.get();
11592 }
11593
11594 void SetFeatureEntries(const std::vector<FeatureEntry>& entries) {
11595   CHECK(GetEntriesForTesting()->empty());  // IN-TEST
11596   for (const auto& entry : entries) {
11597     GetEntriesForTesting()->push_back(entry);  // IN-TEST
11598   }
11599   FlagsStateSingleton::GetInstance()->RebuildState(
11600       *GetEntriesForTesting());  // IN-TEST
11601 }
11602
11603 ScopedFeatureEntries::ScopedFeatureEntries(
11604     const std::vector<flags_ui::FeatureEntry>& entries) {
11605   SetFeatureEntries(entries);
11606 }
11607
11608 ScopedFeatureEntries::~ScopedFeatureEntries() {
11609   GetEntriesForTesting()->clear();  // IN-TEST
11610   // Restore the flag state to the production flags.
11611   FlagsStateSingleton::GetInstance()->RestoreDefaultState();
11612 }
11613
11614 base::span<const FeatureEntry> GetFeatureEntries() {
11615   if (!GetEntriesForTesting()->empty()) {
11616     return base::span<FeatureEntry>(*GetEntriesForTesting());
11617   }
11618   return base::make_span(kFeatureEntries, std::size(kFeatureEntries));
11619 }
11620
11621 }  // namespace testing
11622
11623 }  // namespace about_flags