components/search/ntp_features.cc

   1 // Copyright 2018 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 #include "components/search/ntp_features.h"
   6
   7 #include "base/feature_list.h"
   8 #include "base/metrics/field_trial_params.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/strings/string_split.h"
  11 #include "base/time/time.h"
  12 #include "build/build_config.h"
  13
  14 namespace ntp_features {
  15
  16 // If enabled, shows a confirm dialog before removing search suggestions from
  17 // the New Tab page real search box ("realbox").
  18 BASE_FEATURE(kConfirmSuggestionRemovals,
  19              "ConfirmNtpSuggestionRemovals",
  20              base::FEATURE_DISABLED_BY_DEFAULT);
  21
  22 // If enabled, the OneGooleBar cached response is sent back to NTP.
  23 BASE_FEATURE(kCacheOneGoogleBar,
  24              "CacheOneGoogleBar",
  25              base::FEATURE_DISABLED_BY_DEFAULT);
  26
  27 // If enabled, Chrome theme color will be set to match the NTP background
  28 // on NTP Customize Chrome background change.
  29 BASE_FEATURE(kCustomizeChromeColorExtraction,
  30              "CustomizeChromeColorExtraction",
  31              base::FEATURE_ENABLED_BY_DEFAULT);
  32
  33 // If enabled, shows an extension card within the Customize Chrome Side
  34 // Panel for access to the Chrome Web Store extensions.
  35 BASE_FEATURE(kCustomizeChromeSidePanelExtensionsCard,
  36              "CustomizeChromeSidePanelExtensionsCard",
  37              base::FEATURE_DISABLED_BY_DEFAULT);
  38
  39 // If enabled, shows wallpaper search within the Cusotmize Chrome Side Panel.
  40 BASE_FEATURE(kCustomizeChromeWallpaperSearch,
  41              "CustomizeChromeWallpaperSearch",
  42              base::FEATURE_DISABLED_BY_DEFAULT);
  43
  44 // Forces a dark Google logo for a specific subset of Chrome Web Store themes
  45 // (see crbug.com/1329552). This is enabled by default to allow finch to disable
  46 // this NTP treatment in the case of unexpected regressions.
  47 BASE_FEATURE(kCwsDarkLogo, "CwsDarkLogo", base::FEATURE_ENABLED_BY_DEFAULT);
  48
  49 // If enabled, "middle slot" promos on the bottom of the NTP will show a dismiss
  50 // UI that allows users to close them and not see them again.
  51 BASE_FEATURE(kDismissPromos,
  52              "DismissNtpPromos",
  53              base::FEATURE_DISABLED_BY_DEFAULT);
  54
  55 // If enabled, all NTP "realbox" Chrome Refresh features will be enabled
  56 BASE_FEATURE(kRealboxCr23All,
  57              "NtpRealboxCr23All",
  58              base::FEATURE_DISABLED_BY_DEFAULT);
  59
  60 // If enabled, the NTP "realbox" will have same border/drop shadow in hover
  61 // state as searchbox.
  62 BASE_FEATURE(kRealboxMatchSearchboxTheme,
  63              "NtpRealboxMatchSearchboxTheme",
  64              base::FEATURE_DISABLED_BY_DEFAULT);
  65
  66 // Determines the behavior of the width of the realbox in relation to the width
  67 // for secondary column.
  68 BASE_FEATURE(kRealboxWidthBehavior,
  69              "NtpRealboxWidthBehavior",
  70              base::FEATURE_DISABLED_BY_DEFAULT);
  71
  72 // If enabled, the realbox will be taller.
  73 BASE_FEATURE(kRealboxIsTall,
  74              "NtpRealboxIsTall",
  75              base::FEATURE_DISABLED_BY_DEFAULT);
  76
  77 // If enabled, the real search box ("realbox") on the New Tab page will show a
  78 // Google (g) icon instead of the typical magnifying glass (aka loupe).
  79 BASE_FEATURE(kRealboxUseGoogleGIcon,
  80              "NtpRealboxUseGoogleGIcon",
  81              base::FEATURE_DISABLED_BY_DEFAULT);
  82
  83 // If enabled, alpha NTP backgrounds will show in Customize Chrome.
  84 BASE_FEATURE(kNtpAlphaBackgroundCollections,
  85              "NtpAlphaBackgroundCollections",
  86              base::FEATURE_DISABLED_BY_DEFAULT);
  87
  88 // If enabled, NTP background image links will be checked for HTTP status
  89 // errors."
  90 BASE_FEATURE(kNtpBackgroundImageErrorDetection,
  91              "NtpBackgroundImageErrorDetection",
  92              base::FEATURE_DISABLED_BY_DEFAULT);
  93
  94 // If enabled, chrome cart module will be shown.
  95 BASE_FEATURE(kNtpChromeCartModule,
  96              "NtpChromeCartModule",
  97              base::FEATURE_ENABLED_BY_DEFAULT);
  98
  99 // If enabled, Comprehensive Theming color changes will be applied to the
 100 // Realbox on the New Tab Page.
 101 BASE_FEATURE(kNtpComprehensiveThemeRealbox,
 102              "NtpComprehensiveThemeRealbox",
 103              base::FEATURE_DISABLED_BY_DEFAULT);
 104
 105 #if !defined(OFFICIAL_BUILD)
 106 // If enabled, dummy modules will be shown.
 107 BASE_FEATURE(kNtpDummyModules,
 108              "NtpDummyModules",
 109              base::FEATURE_DISABLED_BY_DEFAULT);
 110 #endif
 111
 112 // If enabled, Google Drive module will be shown.
 113 BASE_FEATURE(kNtpDriveModule,
 114              "NtpDriveModule",
 115              base::FEATURE_ENABLED_BY_DEFAULT);
 116
 117 // If enabled, segmentation data will be collected to decide whether or not to
 118 // show the Drive module.
 119 BASE_FEATURE(kNtpDriveModuleSegmentation,
 120              "NtpDriveModuleSegmentation",
 121              base::FEATURE_DISABLED_BY_DEFAULT);
 122
 123 // If enabled, six files show in the NTP Drive module, instead of three.
 124 BASE_FEATURE(kNtpDriveModuleShowSixFiles,
 125              "NtpDriveModuleShowSixFiles",
 126              base::FEATURE_DISABLED_BY_DEFAULT);
 127
 128 // If enabled, handles navigations from the Most Visited tiles explicitly and
 129 // overrides the navigation's transition type to bookmark navigation before the
 130 // navigation is issued.
 131 // TODO(crbug.com/1147589): When removing this flag, also remove the workaround
 132 // in ChromeContentBrowserClient::OverrideNavigationParams.
 133 BASE_FEATURE(kNtpHandleMostVisitedNavigationExplicitly,
 134              "HandleMostVisitedNavigationExplicitly",
 135              base::FEATURE_ENABLED_BY_DEFAULT);
 136
 137 // If enabled, logo will be shown.
 138 BASE_FEATURE(kNtpLogo, "NtpLogo", base::FEATURE_ENABLED_BY_DEFAULT);
 139
 140 // If enabled, logo will fill up less vertical space.
 141 BASE_FEATURE(kNtpReducedLogoSpace,
 142              "NtpReducedLogoSpace",
 143              base::FEATURE_ENABLED_BY_DEFAULT);
 144
 145 // If enabled, middle slot promo will be shown.
 146 BASE_FEATURE(kNtpMiddleSlotPromo,
 147              "NtpMiddleSlotPromo",
 148              base::FEATURE_ENABLED_BY_DEFAULT);
 149
 150 // If enabled, middle slot promo will be dismissed from New Tab Page until new
 151 // promo message is populated
 152 BASE_FEATURE(kNtpMiddleSlotPromoDismissal,
 153              "NtpMiddleSlotPromoDismissal",
 154              base::FEATURE_ENABLED_BY_DEFAULT);
 155
 156 // Dummy feature to set param "NtpModulesLoadTimeoutMillisecondsParam".
 157 BASE_FEATURE(kNtpModulesLoadTimeoutMilliseconds,
 158              "NtpModulesLoadTimeoutMilliseconds",
 159              base::FEATURE_DISABLED_BY_DEFAULT);
 160
 161 // If true, extends width of modules if space allows.
 162 BASE_FEATURE(kNtpWideModules,
 163              "NtpWideModules",
 164              base::FEATURE_ENABLED_BY_DEFAULT);
 165
 166 // Dummy feature to set param "NtpModulesOrderParam".
 167 BASE_FEATURE(kNtpModulesOrder,
 168              "NtpModulesOrder",
 169              base::FEATURE_DISABLED_BY_DEFAULT);
 170
 171 // Dummy feature to set param "NtpModulesMaxColumnCountParam".
 172 BASE_FEATURE(kNtpModulesMaxColumnCount,
 173              "NtpModulesMaxColumnCount",
 174              base::FEATURE_DISABLED_BY_DEFAULT);
 175
 176 // Dummy feature to set param "NtpModulesLoadedWithOtherModulesMaxInstanceCount"
 177 BASE_FEATURE(kNtpModulesLoadedWithOtherModulesMaxInstanceCount,
 178              "NtpModulesLoadedWithOtherModulesMaxInstanceCount",
 179              base::FEATURE_DISABLED_BY_DEFAULT);
 180
 181 // If true, displays a horizontal scrollbar on overflowing modules.
 182 BASE_FEATURE(kNtpModulesOverflowScrollbar,
 183              "NtpModulesOverflowScrollbar",
 184              base::FEATURE_ENABLED_BY_DEFAULT);
 185
 186 // If enabled, modules will be able to be reordered via dragging and dropping
 187 BASE_FEATURE(kNtpModulesDragAndDrop,
 188              "NtpModulesDragAndDrop",
 189              base::FEATURE_DISABLED_BY_DEFAULT);
 190
 191 // If enabled, the first run experience for Modular NTP Desktop v1 will show.
 192 BASE_FEATURE(kNtpModulesFirstRunExperience,
 193              "NtpModulesFirstRunExperience",
 194              base::FEATURE_DISABLED_BY_DEFAULT);
 195
 196 // If enabled, modules will be loaded but not shown. This is useful to determine
 197 // if a user would have seen modules in order to counterfactually log or
 198 // trigger.
 199 BASE_FEATURE(kNtpModulesLoad,
 200              "NtpModulesLoad",
 201              base::FEATURE_DISABLED_BY_DEFAULT);
 202
 203 // If enabled, redesigned modules will be shown.
 204 BASE_FEATURE(kNtpModulesRedesigned,
 205              "NtpModulesRedesigned",
 206              base::FEATURE_DISABLED_BY_DEFAULT);
 207
 208 // If enabled, MostVisited tiles will reflow when overflowing.
 209 BASE_FEATURE(kNtpMostVisitedReflowOnOverflow,
 210              "NtpMostVisitedReflowOnOverflow",
 211              base::FEATURE_ENABLED_BY_DEFAULT);
 212
 213 // If enabled, OneGoogleBar will be shown.
 214 BASE_FEATURE(kNtpOneGoogleBar,
 215              "NtpOneGoogleBar",
 216              base::FEATURE_ENABLED_BY_DEFAULT);
 217
 218 // If enabled, Google Photos module will be shown.
 219 BASE_FEATURE(kNtpPhotosModule,
 220              "NtpPhotosModule",
 221              base::FEATURE_DISABLED_BY_DEFAULT);
 222
 223 // If enabled, a customized title will be shown on the opt-in card.
 224 BASE_FEATURE(kNtpPhotosModuleCustomizedOptInTitle,
 225              "NtpPhotosModuleCustomizedOptInTitle",
 226              base::FEATURE_DISABLED_BY_DEFAULT);
 227
 228 // If enabled, a customized art work will be shown on the opt-in card.
 229 BASE_FEATURE(kNtpPhotosModuleCustomizedOptInArtWork,
 230              "NtpPhotosModuleCustomizedOptInArtWork",
 231              base::FEATURE_DISABLED_BY_DEFAULT);
 232
 233 // If enabled, Google Photos opt-in card will show a button to soft opt-out.
 234 BASE_FEATURE(kNtpPhotosModuleSoftOptOut,
 235              "NtpPhotosModuleSoftOptOut",
 236              base::FEATURE_DISABLED_BY_DEFAULT);
 237
 238 // If enabled, the single svg image show in Photos opt-in screen will be
 239 // replaced by constituent images to support i18n.
 240 BASE_FEATURE(kNtpPhotosModuleSplitSvgOptInArtWork,
 241              "NtpPhotosModuleSplitSvgOptInArtWork",
 242              base::FEATURE_DISABLED_BY_DEFAULT);
 243
 244 // If enabled, Following Feed module will be shown.
 245 BASE_FEATURE(kNtpFeedModule,
 246              "NtpFeedModule",
 247              base::FEATURE_DISABLED_BY_DEFAULT);
 248
 249 // If enabled, Google Lens image search will be shown in the NTP Realbox.
 250 BASE_FEATURE(kNtpRealboxLensSearch,
 251              "NtpRealboxLensSearch",
 252              base::FEATURE_ENABLED_BY_DEFAULT);
 253
 254 // If enabled, Google Lens image search will call Lens v3 direct upload
 255 // endpoint instead of uploading to Scotty.
 256 BASE_FEATURE(kNtpLensDirectUpload,
 257              "NtpLensDirectUpload",
 258              base::FEATURE_DISABLED_BY_DEFAULT);
 259
 260 // If enabled, recipe tasks module will be shown.
 261 BASE_FEATURE(kNtpRecipeTasksModule,
 262              "NtpRecipeTasksModule",
 263              base::FEATURE_DISABLED_BY_DEFAULT);
 264
 265 // If enabled, SafeBrowsing module will be shown to a target user.
 266 BASE_FEATURE(kNtpSafeBrowsingModule,
 267              "NtpSafeBrowsingModule",
 268              base::FEATURE_DISABLED_BY_DEFAULT);
 269
 270 // If enabled, shortcuts will be shown.
 271 BASE_FEATURE(kNtpShortcuts, "NtpShortcuts", base::FEATURE_ENABLED_BY_DEFAULT);
 272
 273 // If enabled, shortcuts will be shown in a wide single row.
 274 BASE_FEATURE(kNtpSingleRowShortcuts,
 275              "NtpSingleRowShortcuts",
 276              base::FEATURE_ENABLED_BY_DEFAULT);
 277
 278 // If enabled, the History clusters module will be shown.
 279 BASE_FEATURE(kNtpHistoryClustersModule,
 280              "NtpHistoryClustersModule",
 281              base::FEATURE_ENABLED_BY_DEFAULT);
 282
 283 // Dummy feature to set kNtpHistoryClustersModuleBeginTimeDurationHoursParam.
 284 BASE_FEATURE(kNtpHistoryClustersModuleBeginTimeDuration,
 285              "NtpHistoryClustersModuleBeginTimeDuration",
 286              base::FEATURE_DISABLED_BY_DEFAULT);
 287
 288 // Dummy feature to set kNtpHistoryClustersModuleMinimumVisitsRequiredParam.
 289 BASE_FEATURE(kNtpHistoryClustersModuleMinimumVisitsRequired,
 290              "NtpHistoryClustersModuleMinimumVisitsRequired",
 291              base::FEATURE_DISABLED_BY_DEFAULT);
 292
 293 // Dummy feature to set kNtpHistoryClustersModuleMinimumImagesRequiredParam.
 294 BASE_FEATURE(kNtpHistoryClustersModuleMinimumImagesRequired,
 295              "NtpHistoryClustersModuleMinimumImagesRequired",
 296              base::FEATURE_DISABLED_BY_DEFAULT);
 297
 298 // Dummy feature to set kNtpHistoryClustersModuleCategoriesParam.
 299 BASE_FEATURE(kNtpHistoryClustersModuleCategories,
 300              "NtpHistoryClustersModuleCategories",
 301              base::FEATURE_DISABLED_BY_DEFAULT);
 302
 303 // If enabled, the history clusters module will be loaded but not shown. This is
 304 // useful to determine if a user would have seen modules in order to
 305 // counterfactually log or trigger.
 306 BASE_FEATURE(kNtpHistoryClustersModuleLoad,
 307              "NtpHistoryClustersModuleLoad",
 308              base::FEATURE_DISABLED_BY_DEFAULT);
 309
 310 // Dummy feature to set kNtpHistoryClustersModuleMaxClustersParam.
 311 BASE_FEATURE(kNtpHistoryClustersModuleMaxClusters,
 312              "NtpHistoryClustersMaxClusters",
 313              base::FEATURE_DISABLED_BY_DEFAULT);
 314
 315 // If enabled, module headers will display an associated icon.
 316 BASE_FEATURE(kNtpModulesHeaderIcon,
 317              "NtpModulesHeaderIcon",
 318              base::FEATURE_ENABLED_BY_DEFAULT);
 319
 320 // If enabled a suggestion chip will show in the header for Quests V2.
 321 BASE_FEATURE(kNtpHistoryClustersModuleSuggestionChipHeader,
 322              "NtpHistoryClustersModuleSuggestionChipHeader",
 323              base::FEATURE_DISABLED_BY_DEFAULT);
 324
 325 // If enabled, Discounts badge will show on the visit tile in the History
 326 // clusters module when available.
 327 BASE_FEATURE(kNtpHistoryClustersModuleDiscounts,
 328              "NtpHistoryClustersModuleDiscounts",
 329              base::FEATURE_DISABLED_BY_DEFAULT);
 330
 331 // If enabled, ChromeCart tile will show in the History clusters module when
 332 // available.
 333 BASE_FEATURE(kNtpChromeCartInHistoryClusterModule,
 334              "NtpChromeCartInHistoryClusterModule",
 335              base::FEATURE_ENABLED_BY_DEFAULT);
 336
 337 BASE_FEATURE(kNtpHistoryClustersModuleUseModelRanking,
 338              "NtpHistoryClustersModuleUseModelRanking",
 339              base::FEATURE_ENABLED_BY_DEFAULT);
 340
 341 BASE_FEATURE(kNtpHistoryClustersModuleTextOnly,
 342              "NtpHistoryClustersModuleTextOnly",
 343              base::FEATURE_DISABLED_BY_DEFAULT);
 344
 345 // If enabled, ChromeCart module will show together with ChromeCart+History
 346 // cluster module when available.
 347 BASE_FEATURE(kNtpChromeCartHistoryClusterCoexist,
 348              "NtpChromeCartHistoryClusterCoexist",
 349              base::FEATURE_DISABLED_BY_DEFAULT);
 350
 351 // If enabled, the History Clusters module will attempt to fetch clusters until
 352 // it has enough clusters for the module or the History Clusters service says
 353 // that all visits have been exhausted.
 354 BASE_FEATURE(kNtpHistoryClustersModuleFetchClustersUntilExhausted,
 355              "NtpHistoryClustersModuleFetchClustersUntilExhausted",
 356              base::FEATURE_ENABLED_BY_DEFAULT);
 357
 358 // If enabled, the History clusters module will contain visits from other
 359 // devices.
 360 BASE_FEATURE(kNtpHistoryClustersModuleIncludeSyncedVisits,
 361              "NtpHistoryClustersModuleIncludeSyncedVisits",
 362              base::FEATURE_DISABLED_BY_DEFAULT);
 363
 364 // If enabled, the History clsuters module will enable content clustering for
 365 // the displayed clusters.
 366 BASE_FEATURE(kNtpHistoryClustersModuleEnableContentClustering,
 367              "HistoryClustersModuleEnableContentClustering",
 368              base::FEATURE_DISABLED_BY_DEFAULT);
 369
 370 BASE_FEATURE(kNtpTabResumptionModule,
 371              "NtpTabResumptionModule",
 372              base::FEATURE_DISABLED_BY_DEFAULT);
 373
 374 const char kNtpModulesEligibleForHappinessTrackingSurveyParam[] =
 375     "NtpModulesEligibleForHappinessTrackingSurveyParam";
 376 const char kNtpModulesLoadTimeoutMillisecondsParam[] =
 377     "NtpModulesLoadTimeoutMillisecondsParam";
 378 const char kNtpModulesLoadedWithOtherModulesMaxInstanceCountParam[] =
 379     "NtpModulesLoadedWithOtherModulesMaxInstanceCountParam";
 380 const char kNtpModulesMaxColumnCountParam[] = "NtpModulesMaxColumnCountParam";
 381 const char kNtpModulesOrderParam[] = "NtpModulesOrderParam";
 382 const char kNtpChromeCartModuleDataParam[] = "NtpChromeCartModuleDataParam";
 383 const char kNtpChromeCartModuleAbandonedCartDiscountParam[] =
 384     "NtpChromeCartModuleAbandonedCartDiscountParam";
 385 const char kNtpChromeCartModuleAbandonedCartDiscountUseUtmParam[] =
 386     "NtpChromeCartModuleAbandonedCartDiscountUseUtmParam";
 387 const char kNtpChromeCartModuleHeuristicsImprovementParam[] =
 388     "NtpChromeCartModuleHeuristicsImprovementParam";
 389 const char kNtpChromeCartModuleCouponParam[] = "NtpChromeCartModuleCouponParam";
 390 const char kNtpDriveModuleDataParam[] = "NtpDriveModuleDataParam";
 391 const char kNtpDriveModuleManagedUsersOnlyParam[] =
 392     "NtpDriveModuleManagedUsersOnlyParam";
 393 const char kNtpDriveModuleCacheMaxAgeSParam[] =
 394     "NtpDriveModuleCacheMaxAgeSParam";
 395 const char kNtpDriveModuleExperimentGroupParam[] =
 396     "NtpDriveModuleExperimentGroupParam";
 397 const char kNtpHistoryClustersModuleDataParam[] =
 398     "NtpHistoryClustersModuleDataParam";
 399 const char kNtpChromeCartInHistoryClustersModuleDataParam[] =
 400     "NtpChromeCartInHistoryClustersModuleDataParam";
 401 const char kNtpMiddleSlotPromoDismissalParam[] =
 402     "NtpMiddleSlotPromoDismissalParam";
 403 const char kNtpPhotosModuleDataParam[] = "NtpPhotosModuleDataParam";
 404 const char kNtpPhotosModuleOptInTitleParam[] = "NtpPhotosModuleOptInTitleParam";
 405 const char kNtpPhotosModuleOptInArtWorkParam[] =
 406     "NtpPhotosModuleOptInArtWorkParam";
 407 const char kNtpSafeBrowsingModuleCooldownPeriodDaysParam[] =
 408     "NtpSafeBrowsingModuleCooldownPeriodDaysParam";
 409 const char kNtpSafeBrowsingModuleCountMaxParam[] =
 410     "NtpSafeBrowsingModuleCountMaxParam";
 411 const char kNtpRecipeTasksModuleDataParam[] = "NtpRecipeTasksModuleDataParam";
 412 const char kNtpRecipeTasksModuleCacheMaxAgeSParam[] =
 413     "NtpRecipeTasksModuleCacheMaxAgeSParam";
 414 const char kNtpRecipeTasksModuleExperimentGroupParam[] =
 415     "NtpRecipeTasksModuleExperimentGroupParam";
 416 const char kNtpHistoryClustersModuleBeginTimeDurationHoursParam[] =
 417     "NtpHistoryClustersModuleBeginTimeDurationHoursParam";
 418 const char kNtpHistoryClustersModuleMinimumVisitsRequiredParam[] =
 419     "NtpHistoryClustersModuleMinimumVisitsRequiredParam";
 420 const char kNtpHistoryClustersModuleMinimumImagesRequiredParam[] =
 421     "NtpHistoryClustersModuleMinimumImagesRequiredParam";
 422 const char kNtpHistoryClustersModuleCategoriesAllowlistParam[] =
 423     "NtpHistoryClustersModuleCategoriesParam";
 424 const char kNtpHistoryClustersModuleCategoriesBlocklistParam[] =
 425     "NtpHistoryClustersModuleCategoriesBlocklistParam";
 426 const char kNtpHistoryClustersModuleCategoriesBoostlistParam[] =
 427     "NtpHistoryClustersModuleCategoriesBoostlistParam";
 428 const char kNtpHistoryClustersModuleMaxClustersParam[] =
 429     "NtpHistoryClustersModuleMaxClustersParam";
 430 const char kNtpRealboxWidthBehaviorParam[] = "NtpRealboxWidthBehaviorParam";
 431
 432 base::TimeDelta GetModulesLoadTimeout() {
 433   std::string param_value = base::GetFieldTrialParamValueByFeature(
 434       kNtpModulesLoadTimeoutMilliseconds,
 435       kNtpModulesLoadTimeoutMillisecondsParam);
 436   // If the field trial param is not found or cannot be parsed to an unsigned
 437   // integer, return the default value.
 438   unsigned int param_value_as_int = 0;
 439   if (!base::StringToUint(param_value, &param_value_as_int)) {
 440     return base::Seconds(3);
 441   }
 442   return base::Milliseconds(param_value_as_int);
 443 }
 444
 445 int GetModulesMaxColumnCount() {
 446   return base::GetFieldTrialParamByFeatureAsInt(
 447       kNtpModulesMaxColumnCount, kNtpModulesMaxColumnCountParam, 3);
 448 }
 449
 450 int GetMultipleLoadedModulesMaxModuleInstanceCount() {
 451   return base::GetFieldTrialParamByFeatureAsInt(
 452       kNtpModulesLoadedWithOtherModulesMaxInstanceCount,
 453       kNtpModulesLoadedWithOtherModulesMaxInstanceCountParam, 2);
 454 }
 455
 456 std::vector<std::string> GetModulesOrder() {
 457   return base::SplitString(base::GetFieldTrialParamValueByFeature(
 458                                kNtpModulesOrder, kNtpModulesOrderParam),
 459                            ",:;", base::WhitespaceHandling::TRIM_WHITESPACE,
 460                            base::SplitResult::SPLIT_WANT_NONEMPTY);
 461 }
 462
 463 }  // namespace ntp_features