src/chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   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 "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/lazy_instance.h"
  14 #include "base/path_service.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/prefs/scoped_user_pref_update.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/sequenced_worker_pool.h"
  20 #include "chrome/browser/app_mode/app_mode_utils.h"
  21 #include "chrome/browser/browser_about_handler.h"
  22 #include "chrome/browser/browser_process.h"
  23 #include "chrome/browser/browser_shutdown.h"
  24 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  25 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  26 #include "chrome/browser/character_encoding.h"
  27 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  28 #include "chrome/browser/chrome_quota_permission_context.h"
  29 #include "chrome/browser/content_settings/content_settings_utils.h"
  30 #include "chrome/browser/content_settings/cookie_settings.h"
  31 #include "chrome/browser/content_settings/host_content_settings_map.h"
  32 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  33 #include "chrome/browser/defaults.h"
  34 #include "chrome/browser/download/download_prefs.h"
  35 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
  36 #include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
  37 #include "chrome/browser/extensions/extension_service.h"
  38 #include "chrome/browser/extensions/extension_util.h"
  39 #include "chrome/browser/extensions/extension_web_ui.h"
  40 #include "chrome/browser/extensions/extension_webkit_preferences.h"
  41 #include "chrome/browser/extensions/suggest_permission_util.h"
  42 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  43 #include "chrome/browser/google/google_util.h"
  44 #include "chrome/browser/guestview/adview/adview_guest.h"
  45 #include "chrome/browser/guestview/guestview.h"
  46 #include "chrome/browser/guestview/guestview_constants.h"
  47 #include "chrome/browser/guestview/webview/webview_guest.h"
  48 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
  49 #include "chrome/browser/media/cast_transport_host_filter.h"
  50 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  51 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  52 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  53 #include "chrome/browser/net/chrome_net_log.h"
  54 #include "chrome/browser/notifications/desktop_notification_service.h"
  55 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  56 #include "chrome/browser/platform_util.h"
  57 #include "chrome/browser/plugins/plugin_info_message_filter.h"
  58 #include "chrome/browser/prerender/prerender_final_status.h"
  59 #include "chrome/browser/prerender/prerender_manager.h"
  60 #include "chrome/browser/prerender/prerender_manager_factory.h"
  61 #include "chrome/browser/prerender/prerender_message_filter.h"
  62 #include "chrome/browser/prerender/prerender_tracker.h"
  63 #include "chrome/browser/printing/printing_message_filter.h"
  64 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  65 #include "chrome/browser/profiles/profile.h"
  66 #include "chrome/browser/profiles/profile_io_data.h"
  67 #include "chrome/browser/profiles/profile_manager.h"
  68 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  69 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  70 #include "chrome/browser/search/instant_service.h"
  71 #include "chrome/browser/search/instant_service_factory.h"
  72 #include "chrome/browser/search/search.h"
  73 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  74 #include "chrome/browser/signin/principals_message_filter.h"
  75 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  76 #include "chrome/browser/speech/tts_message_filter.h"
  77 #include "chrome/browser/ssl/ssl_add_certificate.h"
  78 #include "chrome/browser/ssl/ssl_blocking_page.h"
  79 #include "chrome/browser/ssl/ssl_tab_helper.h"
  80 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  81 #include "chrome/browser/tab_contents/tab_util.h"
  82 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  83 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  84 #include "chrome/browser/ui/chrome_select_file_policy.h"
  85 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  86 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  87 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  88 #include "chrome/common/chrome_constants.h"
  89 #include "chrome/common/chrome_paths.h"
  90 #include "chrome/common/chrome_switches.h"
  91 #include "chrome/common/env_vars.h"
  92 #include "chrome/common/extensions/extension_process_policy.h"
  93 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
  94 #include "chrome/common/logging_chrome.h"
  95 #include "chrome/common/pepper_permission_util.h"
  96 #include "chrome/common/pref_names.h"
  97 #include "chrome/common/profile_management_switches.h"
  98 #include "chrome/common/render_messages.h"
  99 #include "chrome/common/url_constants.h"
 100 #include "chrome/installer/util/google_update_settings.h"
 101 #include "chromeos/chromeos_constants.h"
 102 #include "components/nacl/browser/nacl_browser.h"
 103 #include "components/nacl/browser/nacl_host_message_filter.h"
 104 #include "components/nacl/browser/nacl_process_host.h"
 105 #include "components/nacl/common/nacl_process_type.h"
 106 #include "components/nacl/common/nacl_switches.h"
 107 #include "components/translate/core/common/translate_switches.h"
 108 #include "components/user_prefs/pref_registry_syncable.h"
 109 #include "content/public/browser/browser_child_process_host.h"
 110 #include "content/public/browser/browser_main_parts.h"
 111 #include "content/public/browser/browser_ppapi_host.h"
 112 #include "content/public/browser/browser_thread.h"
 113 #include "content/public/browser/browser_url_handler.h"
 114 #include "content/public/browser/child_process_data.h"
 115 #include "content/public/browser/child_process_security_policy.h"
 116 #include "content/public/browser/render_frame_host.h"
 117 #include "content/public/browser/render_process_host.h"
 118 #include "content/public/browser/render_view_host.h"
 119 #include "content/public/browser/resource_context.h"
 120 #include "content/public/browser/site_instance.h"
 121 #include "content/public/browser/web_contents.h"
 122 #include "content/public/browser/web_contents_view.h"
 123 #include "content/public/common/child_process_host.h"
 124 #include "content/public/common/content_descriptors.h"
 125 #include "content/public/common/url_utils.h"
 126 #include "extensions/browser/extension_host.h"
 127 #include "extensions/browser/extension_message_filter.h"
 128 #include "extensions/browser/extension_registry.h"
 129 #include "extensions/browser/extension_system.h"
 130 #include "extensions/browser/info_map.h"
 131 #include "extensions/browser/process_manager.h"
 132 #include "extensions/browser/process_map.h"
 133 #include "extensions/browser/view_type_utils.h"
 134 #include "extensions/common/constants.h"
 135 #include "extensions/common/extension.h"
 136 #include "extensions/common/extension_set.h"
 137 #include "extensions/common/manifest_handlers/background_info.h"
 138 #include "extensions/common/manifest_handlers/shared_module_info.h"
 139 #include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
 140 #include "extensions/common/permissions/permissions_data.h"
 141 #include "extensions/common/permissions/socket_permission.h"
 142 #include "extensions/common/switches.h"
 143 #include "grit/generated_resources.h"
 144 #include "grit/ui_resources.h"
 145 #include "net/base/mime_util.h"
 146 #include "net/cookies/canonical_cookie.h"
 147 #include "net/cookies/cookie_options.h"
 148 #include "net/ssl/ssl_cert_request_info.h"
 149 #include "ppapi/host/ppapi_host.h"
 150 #include "ppapi/shared_impl/ppapi_switches.h"
 151 #include "ui/base/l10n/l10n_util.h"
 152 #include "ui/base/resource/resource_bundle.h"
 153 #include "ui/message_center/message_center_util.h"
 154 #include "webkit/browser/fileapi/external_mount_points.h"
 155 #include "webkit/common/webpreferences.h"
 156
 157 #if defined(OS_WIN)
 158 #include "base/win/windows_version.h"
 159 #include "chrome/browser/chrome_browser_main_win.h"
 160 #include "sandbox/win/src/sandbox_policy.h"
 161 #elif defined(OS_MACOSX)
 162 #include "chrome/browser/chrome_browser_main_mac.h"
 163 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 164 #include "components/breakpad/app/breakpad_mac.h"
 165 #elif defined(OS_CHROMEOS)
 166 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 167 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 168 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 169 #include "chrome/browser/chromeos/login/startup_utils.h"
 170 #include "chrome/browser/chromeos/login/user_manager.h"
 171 #include "chrome/browser/chromeos/system/input_device_settings.h"
 172 #include "chromeos/chromeos_switches.h"
 173 #elif defined(OS_LINUX)
 174 #include "chrome/browser/chrome_browser_main_linux.h"
 175 #elif defined(OS_ANDROID)
 176 #include "chrome/browser/android/new_tab_page_url_handler.h"
 177 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 178 #include "chrome/browser/chrome_browser_main_android.h"
 179 #include "chrome/browser/media/encrypted_media_message_filter_android.h"
 180 #include "chrome/common/descriptors_android.h"
 181 #include "components/breakpad/browser/crash_dump_manager_android.h"
 182 #elif defined(OS_POSIX)
 183 #include "chrome/browser/chrome_browser_main_posix.h"
 184 #endif
 185
 186 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 187 #include "base/debug/leak_annotations.h"
 188 #include "base/linux_util.h"
 189 #include "components/breakpad/app/breakpad_linux.h"
 190 #include "components/breakpad/browser/crash_handler_host_linux.h"
 191 #endif
 192
 193 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 194 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 195 #endif
 196
 197 #if defined(OS_ANDROID)
 198 #include "ui/base/ui_base_paths.h"
 199 #include "ui/gfx/android/device_display_info.h"
 200 #endif
 201
 202 #if !defined(OS_CHROMEOS)
 203 #include "chrome/browser/signin/chrome_signin_client.h"
 204 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 205 #include "chrome/browser/signin/signin_manager.h"
 206 #include "chrome/browser/signin/signin_manager_factory.h"
 207 #endif
 208
 209 #if !defined(OS_ANDROID)
 210 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 211 #endif
 212
 213 #if defined(ENABLE_WEBRTC)
 214 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 215 #endif
 216
 217 #if defined(ENABLE_INPUT_SPEECH)
 218 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate_bubble_ui.h"
 219 #endif
 220
 221 #if defined(OS_CHROMEOS)
 222 #include "chrome/browser/chromeos/file_manager/app_id.h"
 223 #endif
 224
 225 #if defined(TOOLKIT_GTK)
 226 #include "chrome/browser/ui/gtk/chrome_browser_main_extra_parts_gtk.h"
 227 #endif
 228
 229 #if defined(TOOLKIT_VIEWS)
 230 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 231 #endif
 232
 233 #if defined(USE_ASH)
 234 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 235 #endif
 236
 237 #if defined(USE_AURA)
 238 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 239 #endif
 240
 241 #if defined(USE_X11)
 242 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 243 #endif
 244
 245 #if defined(ENABLE_SPELLCHECK)
 246 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 247 #endif
 248
 249 #if defined(ENABLE_SERVICE_DISCOVERY)
 250 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
 251 #endif
 252
 253 using blink::WebWindowFeatures;
 254 using base::FileDescriptor;
 255 using content::AccessTokenStore;
 256 using content::BrowserChildProcessHostIterator;
 257 using content::BrowserThread;
 258 using content::BrowserURLHandler;
 259 using content::ChildProcessSecurityPolicy;
 260 using content::QuotaPermissionContext;
 261 using content::RenderViewHost;
 262 using content::SiteInstance;
 263 using content::WebContents;
 264 using extensions::APIPermission;
 265 using extensions::Extension;
 266 using extensions::InfoMap;
 267 using extensions::Manifest;
 268 using message_center::NotifierId;
 269
 270 #if defined(OS_POSIX)
 271 using content::FileDescriptorInfo;
 272 #endif
 273
 274 namespace {
 275
 276 // Cached version of the locale so we can return the locale on the I/O
 277 // thread.
 278 base::LazyInstance<std::string> g_io_thread_application_locale;
 279
 280 #if defined(ENABLE_PLUGINS)
 281 const char* kPredefinedAllowedFileHandleOrigins[] = {
 282   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 283   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 284 };
 285
 286 const char* kPredefinedAllowedSocketOrigins[] = {
 287   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 288   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 289   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 290   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 291   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 292   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 293   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 294   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 295   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 296   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 297   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 298   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 299   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 300   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 301   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 302   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 303   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 304   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 305   "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
 306   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 307   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 308   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 309 };
 310 #endif
 311
 312 // Returns a copy of the given url with its host set to given host and path set
 313 // to given path. Other parts of the url will be the same.
 314 GURL ReplaceURLHostAndPath(const GURL& url,
 315                            const std::string& host,
 316                            const std::string& path) {
 317   url_canon::Replacements<char> replacements;
 318   replacements.SetHost(host.c_str(),
 319                        url_parse::Component(0, host.length()));
 320   replacements.SetPath(path.c_str(),
 321                        url_parse::Component(0, path.length()));
 322   return url.ReplaceComponents(replacements);
 323 }
 324
 325 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 326 GURL AddUberHost(const GURL& url) {
 327   const std::string uber_host = chrome::kChromeUIUberHost;
 328   const std::string new_path = url.host() + url.path();
 329
 330   return ReplaceURLHostAndPath(url, uber_host, new_path);
 331 }
 332
 333 // If url->host() is "chrome" and url->path() has characters other than the
 334 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 335 // returns true. Otherwise returns false.
 336 bool RemoveUberHost(GURL* url) {
 337   if (url->host() != chrome::kChromeUIUberHost)
 338     return false;
 339
 340   if (url->path().empty() || url->path() == "/")
 341     return false;
 342
 343   const std::string old_path = url->path();
 344
 345   const std::string::size_type separator = old_path.find('/', 1);
 346   std::string new_host;
 347   std::string new_path;
 348   if (separator == std::string::npos) {
 349     new_host = old_path.substr(1);
 350   } else {
 351     new_host = old_path.substr(1, separator - 1);
 352     new_path = old_path.substr(separator);
 353   }
 354
 355   // Do not allow URLs with paths empty before the first slash since we can't
 356   // have an empty host. (e.g "foo://chrome//")
 357   if (new_host.empty())
 358     return false;
 359
 360   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 361
 362   DCHECK(url->is_valid());
 363
 364   return true;
 365 }
 366
 367 // Handles rewriting Web UI URLs.
 368 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 369   // Do not handle special URLs such as "about:foo"
 370   if (!url->host().empty()) {
 371     const GURL chrome_url = AddUberHost(*url);
 372
 373     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 374     // be called.
 375     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 376             browser_context, chrome_url))
 377       return true;
 378   }
 379
 380   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 381           browser_context, *url))
 382     return false;
 383
 384 #if defined(OS_CHROMEOS)
 385   // Special case : in ChromeOS in Guest mode bookmarks and history are
 386   // disabled for security reasons. New tab page explains the reasons, so
 387   // we redirect user to new tab page.
 388   if (chromeos::UserManager::Get()->IsLoggedInAsGuest()) {
 389     if (url->SchemeIs(content::kChromeUIScheme) &&
 390         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 391          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 392       // Rewrite with new tab URL
 393       *url = GURL(chrome::kChromeUINewTabURL);
 394     }
 395   }
 396 #endif
 397
 398   return true;
 399 }
 400
 401 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 402 // "chrome://foo/".
 403 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 404   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 405     return false;
 406
 407   return RemoveUberHost(url);
 408 }
 409
 410 // Used by the GetPrivilegeRequiredByUrl() and GetProcessPrivilege() functions
 411 // below.  Extension, and isolated apps require different privileges to be
 412 // granted to their RenderProcessHosts.  This classification allows us to make
 413 // sure URLs are served by hosts with the right set of privileges.
 414 enum RenderProcessHostPrivilege {
 415   PRIV_NORMAL,
 416   PRIV_HOSTED,
 417   PRIV_ISOLATED,
 418   PRIV_EXTENSION,
 419 };
 420
 421 RenderProcessHostPrivilege GetPrivilegeRequiredByUrl(
 422     const GURL& url,
 423     ExtensionService* service) {
 424   // Default to a normal renderer cause it is lower privileged. This should only
 425   // occur if the URL on a site instance is either malformed, or uninitialized.
 426   // If it is malformed, then there is no need for better privileges anyways.
 427   // If it is uninitialized, but eventually settles on being an a scheme other
 428   // than normal webrenderer, the navigation logic will correct us out of band
 429   // anyways.
 430   if (!url.is_valid())
 431     return PRIV_NORMAL;
 432
 433   if (url.SchemeIs(extensions::kExtensionScheme)) {
 434     const Extension* extension =
 435         service->extensions()->GetByID(url.host());
 436     if (extension &&
 437         extensions::AppIsolationInfo::HasIsolatedStorage(extension))
 438       return PRIV_ISOLATED;
 439     if (extension && extension->is_hosted_app())
 440       return PRIV_HOSTED;
 441
 442     return PRIV_EXTENSION;
 443   }
 444
 445   return PRIV_NORMAL;
 446 }
 447
 448 RenderProcessHostPrivilege GetProcessPrivilege(
 449     content::RenderProcessHost* process_host,
 450     extensions::ProcessMap* process_map,
 451     ExtensionService* service) {
 452   std::set<std::string> extension_ids =
 453       process_map->GetExtensionsInProcess(process_host->GetID());
 454   if (extension_ids.empty())
 455     return PRIV_NORMAL;
 456
 457   for (std::set<std::string>::iterator iter = extension_ids.begin();
 458        iter != extension_ids.end(); ++iter) {
 459     const Extension* extension = service->GetExtensionById(*iter, false);
 460     if (extension &&
 461         extensions::AppIsolationInfo::HasIsolatedStorage(extension))
 462       return PRIV_ISOLATED;
 463     if (extension && extension->is_hosted_app())
 464       return PRIV_HOSTED;
 465   }
 466
 467   return PRIV_EXTENSION;
 468 }
 469
 470 bool CertMatchesFilter(const net::X509Certificate& cert,
 471                        const base::DictionaryValue& filter) {
 472   // TODO(markusheintz): This is the minimal required filter implementation.
 473   // Implement a better matcher.
 474
 475   // An empty filter matches any client certificate since no requirements are
 476   // specified at all.
 477   if (filter.empty())
 478     return true;
 479
 480   std::string common_name;
 481   if (filter.GetString("ISSUER.CN", &common_name) &&
 482       (cert.issuer().common_name == common_name)) {
 483     return true;
 484   }
 485   return false;
 486 }
 487
 488 #if !defined(OS_ANDROID)
 489 // Fills |map| with the per-script font prefs under path |map_name|.
 490 void FillFontFamilyMap(const PrefService* prefs,
 491                        const char* map_name,
 492                        webkit_glue::ScriptFontFamilyMap* map) {
 493   // TODO: Get rid of the brute-force scan over possible (font family / script)
 494   // combinations - see http://crbug.com/308095.
 495   for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
 496     const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
 497     std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
 498     std::string font_family = prefs->GetString(pref_name.c_str());
 499     if (!font_family.empty())
 500       (*map)[script] = base::UTF8ToUTF16(font_family);
 501   }
 502 }
 503
 504 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 505 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 506     const std::string& process_type) {
 507   base::FilePath dumps_path;
 508   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 509   {
 510     ANNOTATE_SCOPED_MEMORY_LEAK;
 511     breakpad::CrashHandlerHostLinux* crash_handler =
 512         new breakpad::CrashHandlerHostLinux(
 513             process_type, dumps_path, getenv(env_vars::kHeadless) == NULL);
 514     crash_handler->StartUploaderThread();
 515     return crash_handler;
 516   }
 517 }
 518
 519 int GetCrashSignalFD(const CommandLine& command_line) {
 520   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 521     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 522     if (!crash_handler)
 523       crash_handler = CreateCrashHandlerHost("extension");
 524     return crash_handler->GetDeathSignalSocket();
 525   }
 526
 527   std::string process_type =
 528       command_line.GetSwitchValueASCII(switches::kProcessType);
 529
 530   if (process_type == switches::kRendererProcess) {
 531     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 532     if (!crash_handler)
 533       crash_handler = CreateCrashHandlerHost(process_type);
 534     return crash_handler->GetDeathSignalSocket();
 535   }
 536
 537   if (process_type == switches::kPluginProcess) {
 538     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 539     if (!crash_handler)
 540       crash_handler = CreateCrashHandlerHost(process_type);
 541     return crash_handler->GetDeathSignalSocket();
 542   }
 543
 544   if (process_type == switches::kPpapiPluginProcess) {
 545     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 546     if (!crash_handler)
 547       crash_handler = CreateCrashHandlerHost(process_type);
 548     return crash_handler->GetDeathSignalSocket();
 549   }
 550
 551   if (process_type == switches::kGpuProcess) {
 552     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 553     if (!crash_handler)
 554       crash_handler = CreateCrashHandlerHost(process_type);
 555     return crash_handler->GetDeathSignalSocket();
 556   }
 557
 558   return -1;
 559 }
 560 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
 561 #endif  // !defined(OS_ANDROID)
 562
 563 #if !defined(OS_CHROMEOS)
 564 GURL GetEffectiveURLForSignin(const GURL& url) {
 565   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 566
 567   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 568   // Copy the path because the argument to SetPathStr must outlive
 569   // the Replacements object.
 570   const std::string path_copy(url.path());
 571   GURL::Replacements replacements;
 572   replacements.SetPathStr(path_copy);
 573   effective_url = effective_url.ReplaceComponents(replacements);
 574   return effective_url;
 575 }
 576 #endif
 577
 578 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 579   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 580   g_io_thread_application_locale.Get() = locale;
 581 }
 582
 583 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 584   WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
 585                                                   params.opener_id());
 586   if (!tab)
 587     return;
 588
 589   prerender::PrerenderContents* prerender_contents =
 590       prerender::PrerenderContents::FromWebContents(tab);
 591   if (prerender_contents) {
 592     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 593     return;
 594   }
 595
 596   PopupBlockerTabHelper* popup_helper =
 597       PopupBlockerTabHelper::FromWebContents(tab);
 598   if (!popup_helper)
 599     return;
 600   popup_helper->AddBlockedPopup(params);
 601 }
 602
 603 #if defined(OS_ANDROID)
 604
 605 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 606   WebContents* web_contents =
 607       tab_util::GetWebContentsByID(params.render_process_id(),
 608                                    params.opener_id());
 609   if (!web_contents)
 610     return;
 611
 612   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 613 }
 614
 615 float GetDeviceScaleAdjustment() {
 616   static const float kMinFSM = 1.05f;
 617   static const int kWidthForMinFSM = 320;
 618   static const float kMaxFSM = 1.3f;
 619   static const int kWidthForMaxFSM = 800;
 620
 621   gfx::DeviceDisplayInfo info;
 622   int minWidth = info.GetSmallestDIPWidth();
 623
 624   if (minWidth <= kWidthForMinFSM)
 625     return kMinFSM;
 626   if (minWidth >= kWidthForMaxFSM)
 627     return kMaxFSM;
 628
 629   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 630   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 631       (kWidthForMaxFSM - kWidthForMinFSM);
 632   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 633 }
 634
 635 #endif  // defined(OS_ANDROID)
 636
 637 }  // namespace
 638
 639 namespace chrome {
 640
 641 ChromeContentBrowserClient::ChromeContentBrowserClient() {
 642 #if defined(ENABLE_PLUGINS)
 643   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 644     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 645   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 646     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 647 #endif
 648
 649   permissions_policy_delegate_.reset(
 650       new extensions::BrowserPermissionsPolicyDelegate());
 651 }
 652
 653 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 654 }
 655
 656 // static
 657 void ChromeContentBrowserClient::RegisterProfilePrefs(
 658     user_prefs::PrefRegistrySyncable* registry) {
 659   registry->RegisterBooleanPref(
 660       prefs::kDisable3DAPIs,
 661       false,
 662       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 663   registry->RegisterBooleanPref(
 664       prefs::kEnableHyperlinkAuditing,
 665       true,
 666       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 667 }
 668
 669 // static
 670 void ChromeContentBrowserClient::SetApplicationLocale(
 671     const std::string& locale) {
 672   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 673
 674   // This object is guaranteed to outlive all threads so we don't have to
 675   // worry about the lack of refcounting and can just post as Unretained.
 676   //
 677   // The common case is that this function is called early in Chrome startup
 678   // before any threads are created (it will also be called later if the user
 679   // changes the pref). In this case, there will be no threads created and
 680   // posting will fail. When there are no threads, we can just set the string
 681   // without worrying about threadsafety.
 682   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 683           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 684     g_io_thread_application_locale.Get() = locale;
 685   }
 686 }
 687
 688 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 689     const content::MainFunctionParams& parameters) {
 690   ChromeBrowserMainParts* main_parts;
 691   // Construct the Main browser parts based on the OS type.
 692 #if defined(OS_WIN)
 693   main_parts = new ChromeBrowserMainPartsWin(parameters);
 694 #elif defined(OS_MACOSX)
 695   main_parts = new ChromeBrowserMainPartsMac(parameters);
 696 #elif defined(OS_CHROMEOS)
 697   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 698 #elif defined(OS_LINUX)
 699   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 700 #elif defined(OS_ANDROID)
 701   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 702 #elif defined(OS_POSIX)
 703   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 704 #else
 705   NOTREACHED();
 706   main_parts = new ChromeBrowserMainParts(parameters);
 707 #endif
 708
 709   chrome::AddProfilesExtraParts(main_parts);
 710
 711   // Construct additional browser parts. Stages are called in the order in
 712   // which they are added.
 713 #if defined(TOOLKIT_GTK)
 714   main_parts->AddParts(new ChromeBrowserMainExtraPartsGtk());
 715 #endif
 716
 717 #if defined(TOOLKIT_VIEWS)
 718   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 719 #endif
 720
 721 #if defined(USE_ASH)
 722   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 723 #endif
 724
 725 #if defined(USE_AURA)
 726   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 727 #endif
 728
 729 #if defined(USE_X11)
 730   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 731 #endif
 732
 733   chrome::AddMetricsExtraParts(main_parts);
 734
 735   return main_parts;
 736 }
 737
 738 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 739     content::BrowserContext* browser_context,
 740     const GURL& site) {
 741   std::string partition_id;
 742
 743   // The partition ID for webview guest processes is the string value of its
 744   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 745   if (site.SchemeIs(content::kGuestScheme)) {
 746     partition_id = site.spec();
 747   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 748     // Chrome signin page has an embedded iframe of extension and web content,
 749     // thus it must be isolated from other webUI pages.
 750     partition_id = site.GetOrigin().spec();
 751   }
 752
 753   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 754   return partition_id;
 755 }
 756
 757 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 758     content::BrowserContext* browser_context,
 759     const std::string& partition_id) {
 760   // The default ID is empty and is always valid.
 761   if (partition_id.empty())
 762     return true;
 763
 764   return GURL(partition_id).is_valid();
 765 }
 766
 767 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 768     content::BrowserContext* browser_context,
 769     const GURL& site,
 770     bool can_be_default,
 771     std::string* partition_domain,
 772     std::string* partition_name,
 773     bool* in_memory) {
 774   // Default to the browser-wide storage partition and override based on |site|
 775   // below.
 776   partition_domain->clear();
 777   partition_name->clear();
 778   *in_memory = false;
 779
 780   bool success = GuestView::GetGuestPartitionConfigForSite(
 781       site, partition_domain, partition_name, in_memory);
 782
 783   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 784     // If |can_be_default| is false, the caller is stating that the |site|
 785     // should be parsed as if it had isolated storage. In particular it is
 786     // important to NOT check ExtensionService for the is_storage_isolated()
 787     // attribute because this code path is run during Extension uninstall
 788     // to do cleanup after the Extension has already been unloaded from the
 789     // ExtensionService.
 790     bool is_isolated = !can_be_default;
 791     if (can_be_default) {
 792       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 793         is_isolated = true;
 794     }
 795
 796     if (is_isolated) {
 797       CHECK(site.has_host());
 798       // For extensions with isolated storage, the the host of the |site| is
 799       // the |partition_domain|. The |in_memory| and |partition_name| are only
 800       // used in guest schemes so they are cleared here.
 801       *partition_domain = site.host();
 802       *in_memory = false;
 803       partition_name->clear();
 804     }
 805   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 806     // Chrome signin page has an embedded iframe of extension and web content,
 807     // thus it must be isolated from other webUI pages.
 808     *partition_domain = chrome::kChromeUIChromeSigninHost;
 809   }
 810
 811   // Assert that if |can_be_default| is false, the code above must have found a
 812   // non-default partition.  If this fails, the caller has a serious logic
 813   // error about which StoragePartition they expect to be in and it is not
 814   // safe to continue.
 815   CHECK(can_be_default || !partition_domain->empty());
 816 }
 817
 818 content::WebContentsViewDelegate*
 819     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 820         content::WebContents* web_contents) {
 821   return chrome::CreateWebContentsViewDelegate(web_contents);
 822 }
 823
 824 void ChromeContentBrowserClient::GuestWebContentsCreated(
 825     SiteInstance* guest_site_instance,
 826     WebContents* guest_web_contents,
 827     WebContents* opener_web_contents,
 828     content::BrowserPluginGuestDelegate** guest_delegate,
 829     scoped_ptr<base::DictionaryValue> extra_params) {
 830   if (!guest_site_instance) {
 831     NOTREACHED();
 832     return;
 833   }
 834   GURL guest_site_url = guest_site_instance->GetSiteURL();
 835   const std::string& extension_id = guest_site_url.host();
 836
 837   Profile* profile = Profile::FromBrowserContext(
 838       guest_web_contents->GetBrowserContext());
 839   ExtensionService* service =
 840       extensions::ExtensionSystem::Get(profile)->extension_service();
 841   if (!service) {
 842     NOTREACHED();
 843     return;
 844   }
 845
 846   /// TODO(fsamuel): In the future, certain types of GuestViews won't require
 847   // extension bindings. At that point, we should clear |extension_id| instead
 848   // of exiting early.
 849   if (!service->GetExtensionById(extension_id, false) &&
 850       !CommandLine::ForCurrentProcess()->HasSwitch(
 851           switches::kEnableBrowserPluginForAllViewTypes)) {
 852     NOTREACHED();
 853     return;
 854   }
 855
 856   if (opener_web_contents) {
 857     GuestView* guest = GuestView::FromWebContents(opener_web_contents);
 858     if (!guest) {
 859       NOTREACHED();
 860       return;
 861     }
 862
 863     // Create a new GuestView of the same type as the opener.
 864     *guest_delegate =
 865         GuestView::Create(guest_web_contents,
 866                           extension_id,
 867                           guest->GetViewType());
 868     return;
 869   }
 870
 871   if (!extra_params) {
 872     NOTREACHED();
 873     return;
 874   }
 875   std::string api_type;
 876   extra_params->GetString(guestview::kParameterApi, &api_type);
 877
 878   if (api_type.empty())
 879     return;
 880
 881   *guest_delegate =
 882       GuestView::Create(guest_web_contents,
 883                         extension_id,
 884                         GuestView::GetViewTypeFromString(api_type));
 885 }
 886
 887 void ChromeContentBrowserClient::GuestWebContentsAttached(
 888     WebContents* guest_web_contents,
 889     WebContents* embedder_web_contents,
 890     const base::DictionaryValue& extra_params) {
 891
 892   GuestView* guest = GuestView::FromWebContents(guest_web_contents);
 893   if (!guest) {
 894     // It's ok to return here, since we could be running a browser plugin
 895     // outside an extension, and don't need to attach a
 896     // BrowserPluginGuestDelegate in that case;
 897     // e.g. running with flag --enable-browser-plugin-for-all-view-types.
 898     return;
 899   }
 900   guest->Attach(embedder_web_contents, extra_params);
 901 }
 902
 903 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 904     content::RenderProcessHost* host) {
 905   int id = host->GetID();
 906   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 907   net::URLRequestContextGetter* context =
 908       profile->GetRequestContextForRenderProcess(id);
 909
 910   host->AddFilter(new ChromeRenderMessageFilter(id, profile, context));
 911   host->AddFilter(new extensions::ExtensionMessageFilter(id, profile));
 912 #if defined(ENABLE_PLUGINS)
 913   host->AddFilter(new PluginInfoMessageFilter(id, profile));
 914 #endif
 915   host->AddFilter(new cast::CastTransportHostFilter);
 916 #if defined(ENABLE_PRINTING)
 917   host->AddFilter(new PrintingMessageFilter(id, profile));
 918 #endif
 919   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 920 #if defined(ENABLE_SPELLCHECK)
 921   host->AddFilter(new SpellCheckMessageFilter(id));
 922 #endif
 923 #if defined(OS_MACOSX)
 924   host->AddFilter(new SpellCheckMessageFilterMac(id));
 925 #endif
 926   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 927   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 928   host->AddFilter(new TtsMessageFilter(id, profile));
 929 #if defined(ENABLE_WEBRTC)
 930   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 931       new WebRtcLoggingHandlerHost(profile);
 932   host->SetWebRtcLogMessageCallback(base::Bind(
 933       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 934   host->AddFilter(webrtc_logging_handler_host);
 935   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 936       webrtc_logging_handler_host));
 937 #endif
 938 #if !defined(DISABLE_NACL)
 939   host->AddFilter(new nacl::NaClHostMessageFilter(
 940       id, profile->IsOffTheRecord(),
 941       profile->GetPath(),
 942       context));
 943 #endif
 944 #if defined(OS_ANDROID)
 945   host->AddFilter(new EncryptedMediaMessageFilterAndroid());
 946 #endif
 947   if (switches::IsNewProfileManagement())
 948     host->AddFilter(new PrincipalsMessageFilter(id));
 949
 950   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 951       profile->IsOffTheRecord()));
 952
 953   SendExtensionWebRequestStatusToHost(host);
 954
 955   RendererContentSettingRules rules;
 956   if (host->IsGuest()) {
 957     GuestView::GetDefaultContentSettingRules(&rules, profile->IsOffTheRecord());
 958   } else {
 959     GetRendererContentSettingRules(
 960         profile->GetHostContentSettingsMap(), &rules);
 961   }
 962   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 963 }
 964
 965 GURL ChromeContentBrowserClient::GetEffectiveURL(
 966     content::BrowserContext* browser_context, const GURL& url) {
 967   Profile* profile = Profile::FromBrowserContext(browser_context);
 968   if (!profile)
 969     return url;
 970
 971   // If the input |url| should be assigned to the Instant renderer, make its
 972   // effective URL distinct from other URLs on the search provider's domain.
 973   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 974     return chrome::GetEffectiveURLForInstant(url, profile);
 975
 976 #if !defined(OS_CHROMEOS)
 977   // If the input |url| should be assigned to the Signin renderer, make its
 978   // effective URL distinct from other URLs on the signin service's domain.
 979   // Note that the signin renderer will be allowed to sign the user in to
 980   // Chrome.
 981   if (SigninManager::IsWebBasedSigninFlowURL(url))
 982     return GetEffectiveURLForSignin(url);
 983 #endif
 984
 985   // If the input |url| is part of an installed app, the effective URL is an
 986   // extension URL with the ID of that extension as the host. This has the
 987   // effect of grouping apps together in a common SiteInstance.
 988   ExtensionService* extension_service =
 989       extensions::ExtensionSystem::Get(profile)->extension_service();
 990   if (!extension_service)
 991     return url;
 992
 993   const Extension* extension = extension_service->extensions()->
 994       GetHostedAppByURL(url);
 995   if (!extension)
 996     return url;
 997
 998   // Bookmark apps do not use the hosted app process model, and should be
 999   // treated as normal URLs.
1000   if (extension->from_bookmark())
1001     return url;
1002
1003   // If the URL is part of an extension's web extent, convert it to an
1004   // extension URL.
1005   return extension->GetResourceURL(url.path());
1006 }
1007
1008 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
1009     content::BrowserContext* browser_context, const GURL& effective_url) {
1010   // Non-extension, non-Instant URLs should generally use
1011   // process-per-site-instance.  Because we expect to use the effective URL,
1012   // URLs for hosted apps (apart from bookmark apps) should have an extension
1013   // scheme by now.
1014
1015   Profile* profile = Profile::FromBrowserContext(browser_context);
1016   if (!profile)
1017     return false;
1018
1019   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
1020     return true;
1021
1022 #if !defined(OS_CHROMEOS)
1023   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
1024     return true;
1025 #endif
1026
1027   if (!effective_url.SchemeIs(extensions::kExtensionScheme))
1028     return false;
1029
1030   ExtensionService* extension_service =
1031       extensions::ExtensionSystem::Get(profile)->extension_service();
1032   if (!extension_service)
1033     return false;
1034
1035   const Extension* extension =
1036       extension_service->extensions()->GetExtensionOrAppByURL(effective_url);
1037   if (!extension)
1038     return false;
1039
1040   // If the URL is part of a hosted app that does not have the background
1041   // permission, or that does not allow JavaScript access to the background
1042   // page, we want to give each instance its own process to improve
1043   // responsiveness.
1044   if (extension->GetType() == Manifest::TYPE_HOSTED_APP) {
1045     if (!extension->HasAPIPermission(APIPermission::kBackground) ||
1046         !extensions::BackgroundInfo::AllowJSAccess(extension)) {
1047       return false;
1048     }
1049   }
1050
1051   // Hosted apps that have script access to their background page must use
1052   // process per site, since all instances can make synchronous calls to the
1053   // background window.  Other extensions should use process per site as well.
1054   return true;
1055 }
1056
1057 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
1058 // view-source is allowed for these schemes.
1059 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
1060     std::vector<std::string>* additional_schemes) {
1061   additional_schemes->push_back(chrome::kChromeSearchScheme);
1062   additional_schemes->push_back(chrome::kDomDistillerScheme);
1063 }
1064
1065 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
1066     std::vector<std::string>* hosts) {
1067   hosts->push_back(chrome::kChromeUIExtensionIconHost);
1068   hosts->push_back(chrome::kChromeUIFaviconHost);
1069   hosts->push_back(chrome::kChromeUIThemeHost);
1070   hosts->push_back(chrome::kChromeUIThumbnailHost);
1071   hosts->push_back(chrome::kChromeUIThumbnailHost2);
1072   hosts->push_back(chrome::kChromeUIThumbnailListHost);
1073 }
1074
1075 net::URLRequestContextGetter*
1076 ChromeContentBrowserClient::CreateRequestContext(
1077     content::BrowserContext* browser_context,
1078     content::ProtocolHandlerMap* protocol_handlers,
1079     content::ProtocolHandlerScopedVector protocol_interceptors) {
1080   Profile* profile = Profile::FromBrowserContext(browser_context);
1081   return profile->CreateRequestContext(protocol_handlers,
1082                                        protocol_interceptors.Pass());
1083 }
1084
1085 net::URLRequestContextGetter*
1086 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
1087     content::BrowserContext* browser_context,
1088     const base::FilePath& partition_path,
1089     bool in_memory,
1090     content::ProtocolHandlerMap* protocol_handlers,
1091     content::ProtocolHandlerScopedVector protocol_interceptors) {
1092   Profile* profile = Profile::FromBrowserContext(browser_context);
1093   return profile->CreateRequestContextForStoragePartition(
1094       partition_path,
1095       in_memory,
1096       protocol_handlers,
1097       protocol_interceptors.Pass());
1098 }
1099
1100 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1101   return ProfileIOData::IsHandledURL(url);
1102 }
1103
1104 bool ChromeContentBrowserClient::CanCommitURL(
1105     content::RenderProcessHost* process_host,
1106     const GURL& url) {
1107   // We need to let most extension URLs commit in any process, since this can
1108   // be allowed due to web_accessible_resources.  Most hosted app URLs may also
1109   // load in any process (e.g., in an iframe).  However, the Chrome Web Store
1110   // cannot be loaded in iframes and should never be requested outside its
1111   // process.
1112   Profile* profile =
1113       Profile::FromBrowserContext(process_host->GetBrowserContext());
1114   ExtensionService* service =
1115       extensions::ExtensionSystem::Get(profile)->extension_service();
1116   if (!service)
1117     return true;
1118   const Extension* new_extension =
1119       service->extensions()->GetExtensionOrAppByURL(url);
1120   if (new_extension &&
1121       new_extension->is_hosted_app() &&
1122       new_extension->id() == extension_misc::kWebStoreAppId &&
1123       !extensions::ProcessMap::Get(profile)->
1124           Contains(new_extension->id(), process_host->GetID())) {
1125     return false;
1126   }
1127
1128   return true;
1129 }
1130
1131 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1132     content::SiteInstance* site_instance, const GURL& url) {
1133   GURL from_url = site_instance->GetSiteURL();
1134   // Do not allow pages from the web or other extensions navigate to
1135   // non-web-accessible extension resources.
1136   if (url.SchemeIs(extensions::kExtensionScheme) &&
1137       (from_url.SchemeIsHTTPOrHTTPS() ||
1138           from_url.SchemeIs(extensions::kExtensionScheme))) {
1139     Profile* profile = Profile::FromBrowserContext(
1140         site_instance->GetProcess()->GetBrowserContext());
1141     ExtensionService* service =
1142         extensions::ExtensionSystem::Get(profile)->extension_service();
1143     if (!service)
1144       return true;
1145     const Extension* extension =
1146         service->extensions()->GetExtensionOrAppByURL(url);
1147     if (!extension)
1148       return true;
1149     const Extension* from_extension =
1150         service->extensions()->GetExtensionOrAppByURL(
1151             site_instance->GetSiteURL());
1152     if (from_extension && from_extension->id() == extension->id())
1153       return true;
1154
1155     if (!extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
1156             extension, url.path()))
1157       return false;
1158   }
1159   return true;
1160 }
1161
1162 bool ChromeContentBrowserClient::IsSuitableHost(
1163     content::RenderProcessHost* process_host,
1164     const GURL& site_url) {
1165   Profile* profile =
1166       Profile::FromBrowserContext(process_host->GetBrowserContext());
1167   // This may be NULL during tests. In that case, just assume any site can
1168   // share any host.
1169   if (!profile)
1170     return true;
1171
1172   // Instant URLs should only be in the instant process and instant process
1173   // should only have Instant URLs.
1174   InstantService* instant_service =
1175       InstantServiceFactory::GetForProfile(profile);
1176   if (instant_service) {
1177     bool is_instant_process = instant_service->IsInstantProcess(
1178         process_host->GetID());
1179     bool should_be_in_instant_process =
1180         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1181     if (is_instant_process || should_be_in_instant_process)
1182       return is_instant_process && should_be_in_instant_process;
1183   }
1184
1185 #if !defined(OS_CHROMEOS)
1186   ChromeSigninClient* signin_client =
1187       ChromeSigninClientFactory::GetForProfile(profile);
1188   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1189     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1190 #endif
1191
1192   ExtensionService* service =
1193       extensions::ExtensionSystem::Get(profile)->extension_service();
1194   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1195
1196   // Don't allow the Task Manager to share a process with anything else.
1197   // Otherwise it can affect the renderers it is observing.
1198   // Note: we could create another RenderProcessHostPrivilege bucket for
1199   // this to allow multiple chrome://tasks instances to share, but that's
1200   // a very unlikely case without serious consequences.
1201   if (site_url.GetOrigin() == GURL(chrome::kChromeUITaskManagerURL).GetOrigin())
1202     return false;
1203
1204   // These may be NULL during tests. In that case, just assume any site can
1205   // share any host.
1206   if (!service || !process_map)
1207     return true;
1208
1209   // Otherwise, just make sure the process privilege matches the privilege
1210   // required by the site.
1211   RenderProcessHostPrivilege privilege_required =
1212       GetPrivilegeRequiredByUrl(site_url, service);
1213   return GetProcessPrivilege(process_host, process_map, service) ==
1214       privilege_required;
1215 }
1216
1217 // This function is trying to limit the amount of processes used by extensions
1218 // with background pages. It uses a globally set percentage of processes to
1219 // run such extensions and if the limit is exceeded, it returns true, to
1220 // indicate to the content module to group extensions together.
1221 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1222     content::BrowserContext* browser_context, const GURL& url) {
1223   // It has to be a valid URL for us to check for an extension.
1224   if (!url.is_valid())
1225     return false;
1226
1227   Profile* profile = Profile::FromBrowserContext(browser_context);
1228   ExtensionService* service = !profile ? NULL :
1229       extensions::ExtensionSystem::Get(profile)->extension_service();
1230   if (!service)
1231     return false;
1232
1233   // We have to have a valid extension with background page to proceed.
1234   const Extension* extension =
1235       service->extensions()->GetExtensionOrAppByURL(url);
1236   if (!extension)
1237     return false;
1238   if (!extensions::BackgroundInfo::HasBackgroundPage(extension))
1239     return false;
1240
1241   std::set<int> process_ids;
1242   size_t max_process_count =
1243       content::RenderProcessHost::GetMaxRendererProcessCount();
1244
1245   // Go through all profiles to ensure we have total count of extension
1246   // processes containing background pages, otherwise one profile can
1247   // starve the other.
1248   std::vector<Profile*> profiles = g_browser_process->profile_manager()->
1249       GetLoadedProfiles();
1250   for (size_t i = 0; i < profiles.size(); ++i) {
1251     extensions::ProcessManager* epm =
1252         extensions::ExtensionSystem::Get(profiles[i])->process_manager();
1253     for (extensions::ProcessManager::const_iterator iter =
1254              epm->background_hosts().begin();
1255          iter != epm->background_hosts().end(); ++iter) {
1256       const extensions::ExtensionHost* host = *iter;
1257       process_ids.insert(host->render_process_host()->GetID());
1258     }
1259   }
1260
1261   if (process_ids.size() >
1262       (max_process_count * chrome::kMaxShareOfExtensionProcesses)) {
1263     return true;
1264   }
1265
1266   return false;
1267 }
1268
1269 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1270     SiteInstance* site_instance) {
1271   CHECK(site_instance->HasProcess());
1272
1273   Profile* profile = Profile::FromBrowserContext(
1274       site_instance->GetBrowserContext());
1275   if (!profile)
1276     return;
1277
1278   // Remember the ID of the Instant process to signal the renderer process
1279   // on startup in |AppendExtraCommandLineSwitches| below.
1280   if (chrome::ShouldAssignURLToInstantRenderer(
1281           site_instance->GetSiteURL(), profile)) {
1282     InstantService* instant_service =
1283         InstantServiceFactory::GetForProfile(profile);
1284     if (instant_service)
1285       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1286   }
1287
1288 #if !defined(OS_CHROMEOS)
1289   // We only expect there to be one signin process as we use process-per-site
1290   // for signin URLs. The signin process will be cleared from SigninManager
1291   // when the renderer is destroyed.
1292   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1293     ChromeSigninClient* signin_client =
1294         ChromeSigninClientFactory::GetForProfile(profile);
1295     if (signin_client)
1296       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1297     BrowserThread::PostTask(
1298         BrowserThread::IO,
1299         FROM_HERE,
1300         base::Bind(&InfoMap::SetSigninProcess,
1301                    extensions::ExtensionSystem::Get(profile)->info_map(),
1302                    site_instance->GetProcess()->GetID()));
1303   }
1304 #endif
1305
1306   ExtensionService* service =
1307       extensions::ExtensionSystem::Get(profile)->extension_service();
1308   if (!service)
1309     return;
1310
1311   const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1312       site_instance->GetSiteURL());
1313   if (!extension)
1314     return;
1315
1316   extensions::ProcessMap::Get(profile)
1317       ->Insert(extension->id(),
1318                site_instance->GetProcess()->GetID(),
1319                site_instance->GetId());
1320
1321   BrowserThread::PostTask(
1322       BrowserThread::IO,
1323       FROM_HERE,
1324       base::Bind(&InfoMap::RegisterExtensionProcess,
1325                  extensions::ExtensionSystem::Get(profile)->info_map(),
1326                  extension->id(),
1327                  site_instance->GetProcess()->GetID(),
1328                  site_instance->GetId()));
1329 }
1330
1331 void ChromeContentBrowserClient::SiteInstanceDeleting(
1332     SiteInstance* site_instance) {
1333   if (!site_instance->HasProcess())
1334     return;
1335
1336   Profile* profile = Profile::FromBrowserContext(
1337       site_instance->GetBrowserContext());
1338   ExtensionService* service =
1339       extensions::ExtensionSystem::Get(profile)->extension_service();
1340   if (!service)
1341     return;
1342
1343   const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1344       site_instance->GetSiteURL());
1345   if (!extension)
1346     return;
1347
1348   extensions::ProcessMap::Get(profile)
1349       ->Remove(extension->id(),
1350                site_instance->GetProcess()->GetID(),
1351                site_instance->GetId());
1352
1353   BrowserThread::PostTask(
1354       BrowserThread::IO,
1355       FROM_HERE,
1356       base::Bind(&InfoMap::UnregisterExtensionProcess,
1357                  extensions::ExtensionSystem::Get(profile)->info_map(),
1358                  extension->id(),
1359                  site_instance->GetProcess()->GetID(),
1360                  site_instance->GetId()));
1361 }
1362
1363 void ChromeContentBrowserClient::WorkerProcessCreated(
1364     SiteInstance* site_instance,
1365     int worker_process_id) {
1366   extensions::ExtensionRegistry* extension_registry =
1367       extensions::ExtensionRegistry::Get(site_instance->GetBrowserContext());
1368   if (!extension_registry)
1369     return;
1370   const Extension* extension =
1371       extension_registry->enabled_extensions().GetExtensionOrAppByURL(
1372         site_instance->GetSiteURL());
1373   if (!extension)
1374     return;
1375   extensions::ExtensionSystem* extension_system =
1376       extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
1377   extension_system->info_map()->RegisterExtensionWorkerProcess(
1378       extension->id(),
1379       worker_process_id,
1380       site_instance->GetId());
1381 }
1382
1383 void ChromeContentBrowserClient::WorkerProcessTerminated(
1384     SiteInstance* site_instance,
1385     int worker_process_id) {
1386   extensions::ExtensionSystem* extension_system =
1387       extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
1388   extension_system->info_map()->UnregisterExtensionWorkerProcess(
1389       worker_process_id);
1390 }
1391
1392 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1393     SiteInstance* site_instance,
1394     const GURL& current_url,
1395     const GURL& new_url) {
1396   // If we don't have an ExtensionService, then rely on the SiteInstance logic
1397   // in RenderFrameHostManager to decide when to swap.
1398   Profile* profile =
1399       Profile::FromBrowserContext(site_instance->GetBrowserContext());
1400   ExtensionService* service =
1401       extensions::ExtensionSystem::Get(profile)->extension_service();
1402   if (!service)
1403     return false;
1404
1405   // We must use a new BrowsingInstance (forcing a process swap and disabling
1406   // scripting by existing tabs) if one of the URLs is an extension and the
1407   // other is not the exact same extension.
1408   //
1409   // We ignore hosted apps here so that other tabs in their BrowsingInstance can
1410   // use postMessage with them.  (The exception is the Chrome Web Store, which
1411   // is a hosted app that requires its own BrowsingInstance.)  Navigations
1412   // to/from a hosted app will still trigger a SiteInstance swap in
1413   // RenderFrameHostManager.
1414   const Extension* current_extension =
1415       service->extensions()->GetExtensionOrAppByURL(current_url);
1416   if (current_extension &&
1417       current_extension->is_hosted_app() &&
1418       current_extension->id() != extension_misc::kWebStoreAppId)
1419     current_extension = NULL;
1420
1421   const Extension* new_extension =
1422       service->extensions()->GetExtensionOrAppByURL(new_url);
1423   if (new_extension &&
1424       new_extension->is_hosted_app() &&
1425       new_extension->id() != extension_misc::kWebStoreAppId)
1426     new_extension = NULL;
1427
1428   // First do a process check.  We should force a BrowsingInstance swap if the
1429   // current process doesn't know about new_extension, even if current_extension
1430   // is somehow the same as new_extension.
1431   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1432   if (new_extension &&
1433       site_instance->HasProcess() &&
1434       !process_map->Contains(
1435           new_extension->id(), site_instance->GetProcess()->GetID()))
1436     return true;
1437
1438   // Otherwise, swap BrowsingInstances if current_extension and new_extension
1439   // differ.
1440   return current_extension != new_extension;
1441 }
1442
1443 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1444     content::ResourceContext* resource_context, const GURL& current_url,
1445     const GURL& new_url) {
1446   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
1447   return extensions::CrossesExtensionProcessBoundary(
1448       io_data->GetExtensionInfoMap()->extensions(),
1449       current_url, new_url, false);
1450 }
1451
1452 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1453   return !url.SchemeIs(chrome::kChromeNativeScheme);
1454 }
1455
1456 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1457     const std::string& alias_name) {
1458   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1459 }
1460
1461 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1462     CommandLine* command_line, int child_process_id) {
1463 #if defined(OS_POSIX)
1464   if (breakpad::IsCrashReporterEnabled()) {
1465     std::string enable_crash_reporter;
1466     GoogleUpdateSettings::GetMetricsId(&enable_crash_reporter);
1467 #if !defined(OS_MACOSX)
1468     enable_crash_reporter += "," + base::GetLinuxDistro();
1469 #endif
1470     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1471         enable_crash_reporter);
1472   }
1473 #endif  // OS_POSIX
1474
1475   if (logging::DialogsAreSuppressed())
1476     command_line->AppendSwitch(switches::kNoErrorDialogs);
1477
1478   std::string process_type =
1479       command_line->GetSwitchValueASCII(switches::kProcessType);
1480   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1481
1482   static const char* const kCommonSwitchNames[] = {
1483     switches::kUserAgent,
1484     switches::kUserDataDir,  // Make logs go to the right file.
1485   };
1486   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1487                                  arraysize(kCommonSwitchNames));
1488
1489 #if defined(ENABLE_IPC_FUZZER)
1490   static const char* const kIpcFuzzerSwitches[] = {
1491     switches::kIpcFuzzerTestcase,
1492   };
1493   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1494                                  arraysize(kIpcFuzzerSwitches));
1495 #endif
1496
1497   if (process_type == switches::kRendererProcess) {
1498 #if defined(OS_CHROMEOS)
1499     const std::string& login_profile =
1500         browser_command_line.GetSwitchValueASCII(
1501             chromeos::switches::kLoginProfile);
1502     if (!login_profile.empty())
1503       command_line->AppendSwitchASCII(
1504           chromeos::switches::kLoginProfile, login_profile);
1505 #endif
1506
1507 #if defined(ENABLE_WEBRTC)
1508     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1509                                            browser_command_line,
1510                                            VersionInfo::GetChannel());
1511 #endif
1512
1513     content::RenderProcessHost* process =
1514         content::RenderProcessHost::FromID(child_process_id);
1515     if (process) {
1516       Profile* profile = Profile::FromBrowserContext(
1517           process->GetBrowserContext());
1518
1519       if (extensions::ProcessMap::Get(profile)->Contains(process->GetID()))
1520         command_line->AppendSwitch(extensions::switches::kExtensionProcess);
1521
1522       PrefService* prefs = profile->GetPrefs();
1523       // Currently this pref is only registered if applied via a policy.
1524       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1525           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1526         // Turn this policy into a command line switch.
1527         command_line->AppendSwitch(switches::kDisable3DAPIs);
1528       }
1529
1530       // Disable client-side phishing detection in the renderer if it is
1531       // disabled in the Profile preferences or the browser process.
1532       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1533           !g_browser_process->safe_browsing_detection_service()) {
1534         command_line->AppendSwitch(
1535             switches::kDisableClientSidePhishingDetection);
1536       }
1537
1538       if (!prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1539         command_line->AppendSwitch(switches::kRendererPrintPreview);
1540
1541       InstantService* instant_service =
1542           InstantServiceFactory::GetForProfile(profile);
1543       if (instant_service &&
1544           instant_service->IsInstantProcess(process->GetID()))
1545         command_line->AppendSwitch(switches::kInstantProcess);
1546
1547 #if !defined(OS_CHROMEOS)
1548       ChromeSigninClient* signin_client =
1549           ChromeSigninClientFactory::GetForProfile(profile);
1550       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1551         command_line->AppendSwitch(switches::kSigninProcess);
1552 #endif
1553     }
1554
1555     {
1556       // Enable auto-reload if this session is in the field trial or the user
1557       // explicitly enabled it.
1558       std::string group =
1559           base::FieldTrialList::FindFullName("AutoReloadExperiment");
1560       if (group == "Enabled" ||
1561           browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload)) {
1562         command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1563       }
1564     }
1565
1566     // Please keep this in alphabetical order.
1567     static const char* const kSwitchNames[] = {
1568       autofill::switches::kDisableIgnoreAutocompleteOff,
1569       autofill::switches::kDisableInteractiveAutocomplete,
1570       autofill::switches::kDisablePasswordGeneration,
1571       autofill::switches::kEnableInteractiveAutocomplete,
1572       autofill::switches::kEnablePasswordGeneration,
1573       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1574       extensions::switches::kAllowHTTPBackgroundPage,
1575       extensions::switches::kAllowLegacyExtensionManifests,
1576       extensions::switches::kEnableExperimentalExtensionApis,
1577       extensions::switches::kExtensionsOnChromeURLs,
1578       // TODO(victorhsieh): remove the following flag once we move PPAPI FileIO
1579       // to browser.
1580       switches::kAllowNaClFileHandleAPI,
1581       switches::kAppsCheckoutURL,
1582       switches::kAppsGalleryURL,
1583       switches::kCloudPrintServiceURL,
1584       switches::kDisableBundledPpapiFlash,
1585       switches::kDisableExtensionsResourceWhitelist,
1586       switches::kDisablePnacl,
1587       switches::kDisableScriptedPrintThrottling,
1588       switches::kEnableAdview,
1589       switches::kEnableAppWindowControls,
1590       switches::kEnableBenchmarking,
1591       switches::kEnableNaCl,
1592       switches::kEnableNaClDebug,
1593       switches::kEnableNaClNonSfiMode,
1594       switches::kEnableNetBenchmarking,
1595       switches::kEnableStreamlinedHostedApps,
1596       switches::kEnableWatchdog,
1597       switches::kMemoryProfiling,
1598       switches::kMessageLoopHistogrammer,
1599       switches::kNoJsRandomness,
1600       switches::kOutOfProcessPdf,
1601       switches::kPlaybackMode,
1602       switches::kPpapiFlashArgs,
1603       switches::kPpapiFlashPath,
1604       switches::kPpapiFlashVersion,
1605       switches::kProfilingAtStart,
1606       switches::kProfilingFile,
1607       switches::kProfilingFlush,
1608       switches::kRecordMode,
1609       switches::kSilentDumpOnDCHECK,
1610       switches::kWhitelistedExtensionID,
1611       translate::switches::kTranslateSecurityOrigin,
1612     };
1613
1614     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1615                                    arraysize(kSwitchNames));
1616   } else if (process_type == switches::kUtilityProcess) {
1617     static const char* const kSwitchNames[] = {
1618       extensions::switches::kAllowHTTPBackgroundPage,
1619       extensions::switches::kEnableExperimentalExtensionApis,
1620       extensions::switches::kExtensionsOnChromeURLs,
1621       switches::kWhitelistedExtensionID,
1622     };
1623
1624     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1625                                    arraysize(kSwitchNames));
1626   } else if (process_type == switches::kPluginProcess) {
1627     static const char* const kSwitchNames[] = {
1628 #if defined(OS_CHROMEOS)
1629       chromeos::switches::kLoginProfile,
1630 #endif
1631       switches::kMemoryProfiling,
1632       switches::kSilentDumpOnDCHECK,
1633     };
1634
1635     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1636                                    arraysize(kSwitchNames));
1637   } else if (process_type == switches::kZygoteProcess) {
1638     static const char* const kSwitchNames[] = {
1639       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1640       switches::kDisableBundledPpapiFlash,
1641       switches::kPpapiFlashPath,
1642       switches::kPpapiFlashVersion,
1643     };
1644
1645     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1646                                    arraysize(kSwitchNames));
1647   } else if (process_type == switches::kGpuProcess) {
1648     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1649     // because GPU is expected to be unreliable.
1650     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1651         !command_line->HasSwitch(switches::kDisableBreakpad))
1652       command_line->AppendSwitch(switches::kDisableBreakpad);
1653   }
1654
1655   // The command line switch kEnableBenchmarking needs to be specified along
1656   // with the kEnableStatsTable switch to ensure that the stats table global
1657   // is initialized correctly.
1658   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1659     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1660 }
1661
1662 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1663   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1664     return g_io_thread_application_locale.Get();
1665   return g_browser_process->GetApplicationLocale();
1666 }
1667
1668 std::string ChromeContentBrowserClient::GetAcceptLangs(
1669     content::BrowserContext* context) {
1670   Profile* profile = Profile::FromBrowserContext(context);
1671   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1672 }
1673
1674 gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1675   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1676   return rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
1677 }
1678
1679 bool ChromeContentBrowserClient::AllowAppCache(
1680     const GURL& manifest_url,
1681     const GURL& first_party,
1682     content::ResourceContext* context) {
1683   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1684   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1685   return io_data->GetCookieSettings()->
1686       IsSettingCookieAllowed(manifest_url, first_party);
1687 }
1688
1689 bool ChromeContentBrowserClient::AllowGetCookie(
1690     const GURL& url,
1691     const GURL& first_party,
1692     const net::CookieList& cookie_list,
1693     content::ResourceContext* context,
1694     int render_process_id,
1695     int render_frame_id) {
1696   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1697   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1698   bool allow = io_data->GetCookieSettings()->
1699       IsReadingCookieAllowed(url, first_party);
1700
1701   BrowserThread::PostTask(
1702       BrowserThread::UI, FROM_HERE,
1703       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1704                  render_frame_id, url, first_party, cookie_list, !allow, true));
1705   return allow;
1706 }
1707
1708 bool ChromeContentBrowserClient::AllowSetCookie(
1709     const GURL& url,
1710     const GURL& first_party,
1711     const std::string& cookie_line,
1712     content::ResourceContext* context,
1713     int render_process_id,
1714     int render_frame_id,
1715     net::CookieOptions* options) {
1716   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1717   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1718   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1719   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1720
1721   BrowserThread::PostTask(
1722       BrowserThread::UI, FROM_HERE,
1723       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1724                  render_frame_id, url, first_party, cookie_line, *options,
1725                  !allow));
1726   return allow;
1727 }
1728
1729 bool ChromeContentBrowserClient::AllowSaveLocalState(
1730     content::ResourceContext* context) {
1731   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1732   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1733   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1734   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1735
1736   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1737   // Could we even support per-origin settings?
1738   return setting != CONTENT_SETTING_SESSION_ONLY;
1739 }
1740
1741 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1742     const GURL& url,
1743     const base::string16& name,
1744     const base::string16& display_name,
1745     unsigned long estimated_size,
1746     content::ResourceContext* context,
1747     const std::vector<std::pair<int, int> >& render_frames) {
1748   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1749   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1750   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1751   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1752
1753   // Record access to database for potential display in UI.
1754   std::vector<std::pair<int, int> >::const_iterator i;
1755   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1756     BrowserThread::PostTask(
1757         BrowserThread::UI, FROM_HERE,
1758         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1759                    i->first, i->second, url, name, display_name, !allow));
1760   }
1761
1762   return allow;
1763 }
1764
1765 bool ChromeContentBrowserClient::AllowWorkerFileSystem(
1766     const GURL& url,
1767     content::ResourceContext* context,
1768     const std::vector<std::pair<int, int> >& render_frames) {
1769   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1770   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1771   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1772   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1773
1774   // Record access to file system for potential display in UI.
1775   std::vector<std::pair<int, int> >::const_iterator i;
1776   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1777     BrowserThread::PostTask(
1778         BrowserThread::UI, FROM_HERE,
1779         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1780                    i->first, i->second, url, !allow));
1781   }
1782
1783   return allow;
1784 }
1785
1786 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1787     const GURL& url,
1788     const base::string16& name,
1789     content::ResourceContext* context,
1790     const std::vector<std::pair<int, int> >& render_frames) {
1791   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1792   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1793   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1794   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1795
1796   // Record access to IndexedDB for potential display in UI.
1797   std::vector<std::pair<int, int> >::const_iterator i;
1798   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1799     BrowserThread::PostTask(
1800         BrowserThread::UI, FROM_HERE,
1801         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1802                    i->first, i->second, url, name, !allow));
1803   }
1804
1805   return allow;
1806 }
1807
1808 net::URLRequestContext*
1809 ChromeContentBrowserClient::OverrideRequestContextForURL(
1810     const GURL& url, content::ResourceContext* context) {
1811   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1812   if (url.SchemeIs(extensions::kExtensionScheme)) {
1813     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1814     return io_data->extensions_request_context();
1815   }
1816
1817   return NULL;
1818 }
1819
1820 QuotaPermissionContext*
1821 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1822   return new ChromeQuotaPermissionContext();
1823 }
1824
1825 void ChromeContentBrowserClient::AllowCertificateError(
1826     int render_process_id,
1827     int render_frame_id,
1828     int cert_error,
1829     const net::SSLInfo& ssl_info,
1830     const GURL& request_url,
1831     ResourceType::Type resource_type,
1832     bool overridable,
1833     bool strict_enforcement,
1834     const base::Callback<void(bool)>& callback,
1835     content::CertificateRequestResultType* result) {
1836   if (resource_type != ResourceType::MAIN_FRAME) {
1837     // A sub-resource has a certificate error.  The user doesn't really
1838     // have a context for making the right decision, so block the
1839     // request hard, without an info bar to allow showing the insecure
1840     // content.
1841     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1842     return;
1843   }
1844
1845   // If the tab is being prerendered, cancel the prerender and the request.
1846   content::RenderFrameHost* render_frame_host =
1847       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1848   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1849   if (!tab) {
1850     NOTREACHED();
1851     return;
1852   }
1853
1854   prerender::PrerenderContents* prerender_contents =
1855       prerender::PrerenderContents::FromWebContents(tab);
1856   if (prerender_contents) {
1857     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1858     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1859     return;
1860   }
1861
1862 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1863   captive_portal::CaptivePortalTabHelper* captive_portal_tab_helper =
1864       captive_portal::CaptivePortalTabHelper::FromWebContents(tab);
1865   if (captive_portal_tab_helper)
1866     captive_portal_tab_helper->OnSSLCertError(ssl_info);
1867 #endif
1868
1869   // Otherwise, display an SSL blocking page.
1870   new SSLBlockingPage(tab, cert_error, ssl_info, request_url, overridable,
1871                       strict_enforcement, callback);
1872 }
1873
1874 void ChromeContentBrowserClient::SelectClientCertificate(
1875     int render_process_id,
1876     int render_frame_id,
1877     const net::HttpNetworkSession* network_session,
1878     net::SSLCertRequestInfo* cert_request_info,
1879     const base::Callback<void(net::X509Certificate*)>& callback) {
1880   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1881       render_process_id, render_frame_id);
1882   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1883   if (!tab) {
1884     NOTREACHED();
1885     return;
1886   }
1887
1888   prerender::PrerenderContents* prerender_contents =
1889       prerender::PrerenderContents::FromWebContents(tab);
1890   if (prerender_contents) {
1891     prerender_contents->Destroy(
1892         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1893     return;
1894   }
1895
1896   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1897   DCHECK(requesting_url.is_valid())
1898       << "Invalid URL string: https://"
1899       << cert_request_info->host_and_port.ToString();
1900
1901   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1902   scoped_ptr<base::Value> filter(
1903       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1904           requesting_url,
1905           requesting_url,
1906           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1907           std::string(), NULL));
1908
1909   if (filter.get()) {
1910     // Try to automatically select a client certificate.
1911     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1912       base::DictionaryValue* filter_dict =
1913           static_cast<base::DictionaryValue*>(filter.get());
1914
1915       const std::vector<scoped_refptr<net::X509Certificate> >&
1916           all_client_certs = cert_request_info->client_certs;
1917       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1918         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1919           // Use the first certificate that is matched by the filter.
1920           callback.Run(all_client_certs[i].get());
1921           return;
1922         }
1923       }
1924     } else {
1925       NOTREACHED();
1926     }
1927   }
1928
1929   SSLTabHelper* ssl_tab_helper = SSLTabHelper::FromWebContents(tab);
1930   if (!ssl_tab_helper) {
1931     // If there is no SSLTabHelper for the given WebContents then we can't
1932     // show the user a dialog to select a client certificate. So we simply
1933     // proceed with no client certificate.
1934     callback.Run(NULL);
1935     return;
1936   }
1937   ssl_tab_helper->ShowClientCertificateRequestDialog(
1938       network_session, cert_request_info, callback);
1939 }
1940
1941 void ChromeContentBrowserClient::AddCertificate(
1942     net::URLRequest* request,
1943     net::CertificateMimeType cert_type,
1944     const void* cert_data,
1945     size_t cert_size,
1946     int render_process_id,
1947     int render_view_id) {
1948   chrome::SSLAddCertificate(request, cert_type, cert_data, cert_size,
1949       render_process_id, render_view_id);
1950 }
1951
1952 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1953   return MediaCaptureDevicesDispatcher::GetInstance();
1954 }
1955
1956 void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1957     const GURL& source_origin,
1958     int callback_context,
1959     int render_process_id,
1960     int render_view_id) {
1961 #if defined(ENABLE_NOTIFICATIONS)
1962   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1963   WebContents* contents =
1964       tab_util::GetWebContentsByID(render_process_id, render_view_id);
1965   if (!contents) {
1966     NOTREACHED();
1967     return;
1968   }
1969
1970   // Skip showing the infobar if the request comes from an extension, and that
1971   // extension has the 'notify' permission. (If the extension does not have the
1972   // permission, the user will still be prompted.)
1973   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
1974   InfoMap* extension_info_map =
1975       extensions::ExtensionSystem::Get(profile)->info_map();
1976   DesktopNotificationService* notification_service =
1977       DesktopNotificationServiceFactory::GetForProfile(profile);
1978   const Extension* extension = NULL;
1979   if (extension_info_map) {
1980     extensions::ExtensionSet extensions;
1981     extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1982         source_origin, render_process_id,
1983         extensions::APIPermission::kNotification, &extensions);
1984     for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1985          iter != extensions.end(); ++iter) {
1986       if (notification_service->IsNotifierEnabled(NotifierId(
1987               NotifierId::APPLICATION, (*iter)->id()))) {
1988         extension = iter->get();
1989         break;
1990       }
1991     }
1992   }
1993   RenderViewHost* rvh =
1994       RenderViewHost::FromID(render_process_id, render_view_id);
1995   if (IsExtensionWithPermissionOrSuggestInConsole(
1996       APIPermission::kNotification, extension, rvh)) {
1997     if (rvh)
1998       rvh->DesktopNotificationPermissionRequestDone(callback_context);
1999     return;
2000   }
2001
2002   notification_service->RequestPermission(source_origin, render_process_id,
2003       render_view_id, callback_context, contents);
2004 #else
2005   NOTIMPLEMENTED();
2006 #endif
2007 }
2008
2009 blink::WebNotificationPresenter::Permission
2010     ChromeContentBrowserClient::CheckDesktopNotificationPermission(
2011         const GURL& source_origin,
2012         content::ResourceContext* context,
2013         int render_process_id) {
2014 #if defined(ENABLE_NOTIFICATIONS)
2015   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2016
2017   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2018   InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
2019
2020   // We want to see if there is an extension that hasn't been manually disabled
2021   // that has the notifications permission and applies to this security origin.
2022   // First, get the list of extensions with permission for the origin.
2023   extensions::ExtensionSet extensions;
2024   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
2025       source_origin, render_process_id,
2026       extensions::APIPermission::kNotification, &extensions);
2027   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
2028        iter != extensions.end(); ++iter) {
2029     // Then, check to see if it's been disabled by the user.
2030     if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
2031       return blink::WebNotificationPresenter::PermissionAllowed;
2032   }
2033
2034   // No enabled extensions exist, so check the normal host content settings.
2035   HostContentSettingsMap* host_content_settings_map =
2036       io_data->GetHostContentSettingsMap();
2037   ContentSetting setting = host_content_settings_map->GetContentSetting(
2038       source_origin,
2039       source_origin,
2040       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
2041       NO_RESOURCE_IDENTIFIER);
2042
2043   if (setting == CONTENT_SETTING_ALLOW)
2044     return blink::WebNotificationPresenter::PermissionAllowed;
2045   if (setting == CONTENT_SETTING_BLOCK)
2046     return blink::WebNotificationPresenter::PermissionDenied;
2047   return blink::WebNotificationPresenter::PermissionNotAllowed;
2048 #else
2049   return blink::WebNotificationPresenter::PermissionAllowed;
2050 #endif
2051 }
2052
2053 void ChromeContentBrowserClient::ShowDesktopNotification(
2054     const content::ShowDesktopNotificationHostMsgParams& params,
2055     int render_process_id,
2056     int render_view_id,
2057     bool worker) {
2058 #if defined(ENABLE_NOTIFICATIONS)
2059   RenderViewHost* rvh = RenderViewHost::FromID(
2060       render_process_id, render_view_id);
2061   if (!rvh) {
2062     NOTREACHED();
2063     return;
2064   }
2065
2066   content::RenderProcessHost* process = rvh->GetProcess();
2067   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2068   DesktopNotificationService* service =
2069       DesktopNotificationServiceFactory::GetForProfile(profile);
2070   service->ShowDesktopNotification(
2071     params, render_process_id, render_view_id,
2072     worker ? DesktopNotificationService::WorkerNotification :
2073         DesktopNotificationService::PageNotification);
2074 #else
2075   NOTIMPLEMENTED();
2076 #endif
2077 }
2078
2079 void ChromeContentBrowserClient::CancelDesktopNotification(
2080     int render_process_id,
2081     int render_view_id,
2082     int notification_id) {
2083 #if defined(ENABLE_NOTIFICATIONS)
2084   RenderViewHost* rvh = RenderViewHost::FromID(
2085       render_process_id, render_view_id);
2086   if (!rvh) {
2087     NOTREACHED();
2088     return;
2089   }
2090
2091   content::RenderProcessHost* process = rvh->GetProcess();
2092   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2093   DesktopNotificationService* service =
2094       DesktopNotificationServiceFactory::GetForProfile(profile);
2095   service->CancelDesktopNotification(
2096       render_process_id, render_view_id, notification_id);
2097 #else
2098   NOTIMPLEMENTED();
2099 #endif
2100 }
2101
2102 bool ChromeContentBrowserClient::CanCreateWindow(
2103     const GURL& opener_url,
2104     const GURL& opener_top_level_frame_url,
2105     const GURL& source_origin,
2106     WindowContainerType container_type,
2107     const GURL& target_url,
2108     const content::Referrer& referrer,
2109     WindowOpenDisposition disposition,
2110     const WebWindowFeatures& features,
2111     bool user_gesture,
2112     bool opener_suppressed,
2113     content::ResourceContext* context,
2114     int render_process_id,
2115     bool is_guest,
2116     int opener_id,
2117     bool* no_javascript_access) {
2118   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2119
2120   *no_javascript_access = false;
2121
2122   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2123   InfoMap* map = io_data->GetExtensionInfoMap();
2124
2125   // If the opener is trying to create a background window but doesn't have
2126   // the appropriate permission, fail the attempt.
2127   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2128     if (!map->SecurityOriginHasAPIPermission(
2129             source_origin,
2130             render_process_id,
2131             APIPermission::kBackground)) {
2132       return false;
2133     }
2134
2135     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2136     // return a recently installed Extension even if this CanCreateWindow call
2137     // was made by an old copy of the page in a normal web process.  That's ok,
2138     // because the permission check above would have caused an early return
2139     // already. We must use the full URL to find hosted apps, though, and not
2140     // just the origin.
2141     const Extension* extension =
2142         map->extensions().GetExtensionOrAppByURL(opener_url);
2143     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2144       *no_javascript_access = true;
2145
2146     return true;
2147   }
2148
2149   // No new browser window (popup or tab) in app mode.
2150   if (container_type == WINDOW_CONTAINER_TYPE_NORMAL &&
2151       chrome::IsRunningInForcedAppMode()) {
2152     return false;
2153   }
2154
2155   if (is_guest)
2156     return true;
2157
2158   HostContentSettingsMap* content_settings =
2159       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2160   BlockedWindowParams blocked_params(target_url,
2161                                     referrer,
2162                                     disposition,
2163                                     features,
2164                                     user_gesture,
2165                                     opener_suppressed,
2166                                     render_process_id,
2167                                     opener_id);
2168
2169   if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2170         switches::kDisablePopupBlocking)) {
2171     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2172                                             opener_top_level_frame_url,
2173                                             CONTENT_SETTINGS_TYPE_POPUPS,
2174                                             std::string()) !=
2175         CONTENT_SETTING_ALLOW) {
2176       BrowserThread::PostTask(BrowserThread::UI,
2177                               FROM_HERE,
2178                               base::Bind(&HandleBlockedPopupOnUIThread,
2179                                          blocked_params));
2180       return false;
2181     }
2182   }
2183
2184 #if defined(OS_ANDROID)
2185   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2186     BrowserThread::PostTask(BrowserThread::UI,
2187                             FROM_HERE,
2188                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2189                                        blocked_params));
2190     return false;
2191   }
2192 #endif
2193
2194   return true;
2195 }
2196
2197 std::string ChromeContentBrowserClient::GetWorkerProcessTitle(
2198     const GURL& url, content::ResourceContext* context) {
2199   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2200   // Check if it's an extension-created worker, in which case we want to use
2201   // the name of the extension.
2202   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2203   const Extension* extension =
2204       io_data->GetExtensionInfoMap()->extensions().GetByID(url.host());
2205   return extension ? extension->name() : std::string();
2206 }
2207
2208 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2209   return g_browser_process->ResourceDispatcherHostCreated();
2210 }
2211
2212 // TODO(tommi): Rename from Get to Create.
2213 content::SpeechRecognitionManagerDelegate*
2214     ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2215 #if defined(ENABLE_INPUT_SPEECH)
2216   return new speech::ChromeSpeechRecognitionManagerDelegateBubbleUI();
2217 #else
2218   // Platforms who don't implement x-webkit-speech (a.k.a INPUT_SPEECH) just
2219   // need the base delegate without the bubble UI.
2220   return new speech::ChromeSpeechRecognitionManagerDelegate();
2221 #endif
2222 }
2223
2224 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2225   return g_browser_process->net_log();
2226 }
2227
2228 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2229   return new ChromeAccessTokenStore();
2230 }
2231
2232 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2233   return true;
2234 }
2235
2236 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2237     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2238   Profile* profile = Profile::FromBrowserContext(
2239       rvh->GetProcess()->GetBrowserContext());
2240   PrefService* prefs = profile->GetPrefs();
2241
2242   // Fill per-script font preferences. These are not registered on Android
2243   // - http://crbug.com/308033.
2244 #if !defined(OS_ANDROID)
2245   FillFontFamilyMap(prefs, prefs::kWebKitStandardFontFamilyMap,
2246                     &web_prefs->standard_font_family_map);
2247   FillFontFamilyMap(prefs, prefs::kWebKitFixedFontFamilyMap,
2248                     &web_prefs->fixed_font_family_map);
2249   FillFontFamilyMap(prefs, prefs::kWebKitSerifFontFamilyMap,
2250                     &web_prefs->serif_font_family_map);
2251   FillFontFamilyMap(prefs, prefs::kWebKitSansSerifFontFamilyMap,
2252                     &web_prefs->sans_serif_font_family_map);
2253   FillFontFamilyMap(prefs, prefs::kWebKitCursiveFontFamilyMap,
2254                     &web_prefs->cursive_font_family_map);
2255   FillFontFamilyMap(prefs, prefs::kWebKitFantasyFontFamilyMap,
2256                     &web_prefs->fantasy_font_family_map);
2257   FillFontFamilyMap(prefs, prefs::kWebKitPictographFontFamilyMap,
2258                     &web_prefs->pictograph_font_family_map);
2259 #endif
2260
2261   web_prefs->default_font_size =
2262       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2263   web_prefs->default_fixed_font_size =
2264       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2265   web_prefs->minimum_font_size =
2266       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2267   web_prefs->minimum_logical_font_size =
2268       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2269
2270   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2271
2272   web_prefs->javascript_can_open_windows_automatically =
2273       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2274   web_prefs->dom_paste_enabled =
2275       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2276   web_prefs->shrinks_standalone_images_to_fit =
2277       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2278   const base::DictionaryValue* inspector_settings =
2279       prefs->GetDictionary(prefs::kWebKitInspectorSettings);
2280   if (inspector_settings) {
2281     for (base::DictionaryValue::Iterator iter(*inspector_settings);
2282          !iter.IsAtEnd();
2283          iter.Advance()) {
2284       std::string value;
2285       if (iter.value().GetAsString(&value)) {
2286           web_prefs->inspector_settings.push_back(
2287               std::make_pair(iter.key(), value));
2288       }
2289     }
2290   }
2291   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2292
2293   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2294     web_prefs->javascript_enabled = false;
2295   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2296     web_prefs->web_security_enabled = false;
2297   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2298     web_prefs->plugins_enabled = false;
2299   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2300     web_prefs->java_enabled = false;
2301   web_prefs->loads_images_automatically =
2302       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2303
2304   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2305     web_prefs->experimental_webgl_enabled = false;
2306
2307   web_prefs->allow_displaying_insecure_content =
2308       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2309   web_prefs->allow_running_insecure_content =
2310       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2311 #if defined(OS_ANDROID)
2312   web_prefs->font_scale_factor =
2313       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2314   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2315   web_prefs->force_enable_zoom =
2316       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2317 #endif
2318
2319 #if defined(OS_ANDROID)
2320   web_prefs->password_echo_enabled =
2321       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2322 #else
2323   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2324 #endif
2325
2326   web_prefs->asynchronous_spell_checking_enabled = true;
2327   web_prefs->unified_textchecker_enabled = true;
2328
2329   web_prefs->uses_universal_detector =
2330       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2331   web_prefs->text_areas_are_resizable =
2332       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2333   web_prefs->hyperlink_auditing_enabled =
2334       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2335
2336   // Make sure we will set the default_encoding with canonical encoding name.
2337   web_prefs->default_encoding =
2338       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2339           web_prefs->default_encoding);
2340   if (web_prefs->default_encoding.empty()) {
2341     prefs->ClearPref(prefs::kDefaultCharset);
2342     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2343   }
2344   DCHECK(!web_prefs->default_encoding.empty());
2345
2346   WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
2347   extensions::ViewType view_type = extensions::GetViewType(web_contents);
2348   ExtensionService* service =
2349       extensions::ExtensionSystem::Get(profile)->extension_service();
2350   if (service) {
2351     const GURL& site_url = rvh->GetSiteInstance()->GetSiteURL();
2352     const Extension* extension =
2353         service->extensions()->GetByID(site_url.host());
2354     // Ensure that we are only granting extension preferences to URLs with
2355     // the correct scheme. Without this check, chrome-guest:// schemes used by
2356     // webview tags as well as hosts that happen to match the id of an
2357     // installed extension would get the wrong preferences.
2358     if (site_url.SchemeIs(extensions::kExtensionScheme)) {
2359       extension_webkit_preferences::SetPreferences(
2360           extension, view_type, web_prefs);
2361     }
2362   }
2363
2364   if (view_type == extensions::VIEW_TYPE_NOTIFICATION) {
2365     web_prefs->allow_scripts_to_close_windows = true;
2366   } else if (view_type == extensions::VIEW_TYPE_BACKGROUND_CONTENTS) {
2367     // Disable all kinds of acceleration for background pages.
2368     // See http://crbug.com/96005 and http://crbug.com/96006
2369     web_prefs->force_compositing_mode = false;
2370     web_prefs->accelerated_compositing_enabled = false;
2371   }
2372
2373 #if defined(OS_CHROMEOS)
2374   // Override the default of suppressing HW compositing for WebUI pages for the
2375   // file manager, which is implemented using WebUI but wants HW acceleration
2376   // for video decode & render.
2377   if (url.SchemeIs(extensions::kExtensionScheme) &&
2378       url.host() == file_manager::kFileManagerAppId) {
2379     web_prefs->accelerated_compositing_enabled = true;
2380     web_prefs->accelerated_2d_canvas_enabled = true;
2381   }
2382 #endif
2383 }
2384
2385 void ChromeContentBrowserClient::UpdateInspectorSetting(
2386     RenderViewHost* rvh, const std::string& key, const std::string& value) {
2387   content::BrowserContext* browser_context =
2388       rvh->GetProcess()->GetBrowserContext();
2389   DictionaryPrefUpdate update(
2390       Profile::FromBrowserContext(browser_context)->GetPrefs(),
2391       prefs::kWebKitInspectorSettings);
2392   base::DictionaryValue* inspector_settings = update.Get();
2393   inspector_settings->SetWithoutPathExpansion(
2394       key, base::Value::CreateStringValue(value));
2395 }
2396
2397 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2398     BrowserURLHandler* handler) {
2399   // Add the default URL handlers.
2400   handler->AddHandlerPair(&ExtensionWebUI::HandleChromeURLOverride,
2401                           BrowserURLHandler::null_handler());
2402   handler->AddHandlerPair(BrowserURLHandler::null_handler(),
2403                           &ExtensionWebUI::HandleChromeURLOverrideReverse);
2404
2405   // about: handler. Must come before chrome: handler, since it will
2406   // rewrite about: urls to chrome: URLs and then expect chrome: to
2407   // actually handle them.
2408   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2409                           BrowserURLHandler::null_handler());
2410
2411 #if defined(OS_ANDROID)
2412   // Handler to rewrite chrome://newtab on Android.
2413   handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2414                           BrowserURLHandler::null_handler());
2415 #else
2416   // Handler to rewrite chrome://newtab for InstantExtended.
2417   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2418                           &chrome::HandleNewTabURLReverseRewrite);
2419 #endif
2420
2421   // chrome: & friends.
2422   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2423 }
2424
2425 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2426   Profile* profile = Profile::FromBrowserContext(
2427       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2428   BrowsingDataRemover* remover =
2429       BrowsingDataRemover::CreateForUnboundedRange(profile);
2430   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2431                   BrowsingDataHelper::UNPROTECTED_WEB);
2432   // BrowsingDataRemover takes care of deleting itself when done.
2433 }
2434
2435 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2436   Profile* profile = Profile::FromBrowserContext(
2437       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2438   BrowsingDataRemover* remover =
2439       BrowsingDataRemover::CreateForUnboundedRange(profile);
2440   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2441   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2442   // BrowsingDataRemover takes care of deleting itself when done.
2443 }
2444
2445 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2446   return DownloadPrefs::GetDefaultDownloadDirectory();
2447 }
2448
2449 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2450   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2451 }
2452
2453 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2454     content::BrowserPpapiHost* browser_host) {
2455 #if defined(ENABLE_PLUGINS)
2456   browser_host->GetPpapiHost()->AddHostFactoryFilter(
2457       scoped_ptr<ppapi::host::HostFactory>(
2458           new ChromeBrowserPepperHostFactory(browser_host)));
2459 #endif
2460 }
2461
2462 content::BrowserPpapiHost*
2463     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2464         int plugin_process_id) {
2465   BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2466   while (!iter.Done()) {
2467     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2468         iter.GetDelegate());
2469     if (host->process() &&
2470         host->process()->GetData().id == plugin_process_id) {
2471       // Found the plugin.
2472       return host->browser_ppapi_host();
2473     }
2474     ++iter;
2475   }
2476   return NULL;
2477 }
2478
2479 bool ChromeContentBrowserClient::SupportsBrowserPlugin(
2480     content::BrowserContext* browser_context, const GURL& site_url) {
2481   if (CommandLine::ForCurrentProcess()->HasSwitch(
2482           switches::kEnableBrowserPluginForAllViewTypes))
2483     return true;
2484
2485   if (content::HasWebUIScheme(site_url))
2486     return true;
2487
2488   Profile* profile = Profile::FromBrowserContext(browser_context);
2489   ExtensionService* service =
2490       extensions::ExtensionSystem::Get(profile)->extension_service();
2491   if (!service)
2492     return false;
2493
2494   const Extension* extension =
2495       service->extensions()->GetExtensionOrAppByURL(site_url);
2496   if (!extension)
2497     return false;
2498
2499   return extension->HasAPIPermission(APIPermission::kWebView) ||
2500          extension->HasAPIPermission(APIPermission::kAdView);
2501 }
2502
2503 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2504     content::BrowserContext* browser_context,
2505     const GURL& url,
2506     bool private_api,
2507     const content::SocketPermissionRequest* params) {
2508 #if defined(ENABLE_PLUGINS)
2509   Profile* profile = Profile::FromBrowserContext(browser_context);
2510   const extensions::ExtensionSet* extension_set = NULL;
2511   if (profile) {
2512     extension_set = extensions::ExtensionSystem::Get(profile)->
2513         extension_service()->extensions();
2514   }
2515
2516   if (private_api) {
2517     // Access to private socket APIs is controlled by the whitelist.
2518     if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2519                                              allowed_socket_origins_)) {
2520       return true;
2521     }
2522   } else {
2523     // Access to public socket APIs is controlled by extension permissions.
2524     if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2525         extension_set) {
2526       const Extension* extension = extension_set->GetByID(url.host());
2527       if (extension) {
2528         if (params) {
2529           extensions::SocketPermission::CheckParam check_params(
2530               params->type, params->host, params->port);
2531           if (extensions::PermissionsData::CheckAPIPermissionWithParam(
2532                   extension, extensions::APIPermission::kSocket,
2533                   &check_params)) {
2534             return true;
2535           }
2536         } else {
2537           if (extensions::PermissionsData::HasAPIPermission(
2538                   extension, extensions::APIPermission::kSocket)) {
2539             return true;
2540           }
2541         }
2542       }
2543     }
2544   }
2545
2546   // Allow both public and private APIs if the command line says so.
2547   return IsHostAllowedByCommandLine(url, extension_set,
2548                                     switches::kAllowNaClSocketAPI);
2549 #else
2550   return false;
2551 #endif
2552 }
2553
2554 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2555     WebContents* web_contents) {
2556   return new ChromeSelectFilePolicy(web_contents);
2557 }
2558
2559 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2560     std::vector<std::string>* additional_allowed_schemes) {
2561   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2562       additional_allowed_schemes);
2563   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2564   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2565   additional_allowed_schemes->push_back(extensions::kExtensionScheme);
2566 }
2567
2568 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2569     std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {
2570 #if !defined(OS_ANDROID)
2571   handlers->push_back(
2572       base::Bind(MediaFileSystemBackend::AttemptAutoMountForURLRequest));
2573 #endif  // OS_ANDROID
2574 }
2575
2576 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2577     content::BrowserContext* browser_context,
2578     const base::FilePath& storage_partition_path,
2579     ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
2580 #if !defined(OS_ANDROID)
2581   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
2582   additional_backends->push_back(new MediaFileSystemBackend(
2583       storage_partition_path,
2584       pool->GetSequencedTaskRunner(pool->GetNamedSequenceToken(
2585           MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
2586 #endif
2587 #if defined(OS_CHROMEOS)
2588   fileapi::ExternalMountPoints* external_mount_points =
2589       content::BrowserContext::GetMountPoints(browser_context);
2590   DCHECK(external_mount_points);
2591   chromeos::FileSystemBackend* backend =
2592       new chromeos::FileSystemBackend(
2593           new drive::FileSystemBackendDelegate,
2594           browser_context->GetSpecialStoragePolicy(),
2595           external_mount_points,
2596           fileapi::ExternalMountPoints::GetSystemInstance());
2597   backend->AddSystemMountPoints();
2598   DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
2599   additional_backends->push_back(backend);
2600 #endif
2601
2602   additional_backends->push_back(
2603       new sync_file_system::SyncFileSystemBackend(
2604           Profile::FromBrowserContext(browser_context)));
2605
2606 #if defined(ENABLE_SERVICE_DISCOVERY)
2607   if (CommandLine::ForCurrentProcess()->HasSwitch(
2608           switches::kEnablePrivetStorage)) {
2609     additional_backends->push_back(
2610         new local_discovery::PrivetFileSystemBackend(
2611             fileapi::ExternalMountPoints::GetSystemInstance(),
2612             browser_context));
2613   }
2614 #endif
2615 }
2616
2617 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2618 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2619     const CommandLine& command_line,
2620     int child_process_id,
2621     std::vector<FileDescriptorInfo>* mappings) {
2622 #if defined(OS_ANDROID)
2623   base::FilePath data_path;
2624   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2625   DCHECK(!data_path.empty());
2626
2627   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2628   base::FilePath chrome_resources_pak =
2629       data_path.AppendASCII("chrome_100_percent.pak");
2630   base::File file(chrome_resources_pak, flags);
2631   DCHECK(file.IsValid());
2632   mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2633                                          FileDescriptor(file.Pass())));
2634
2635   const std::string locale = GetApplicationLocale();
2636   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2637       GetLocaleFilePath(locale, false);
2638   file.Initialize(locale_pak, flags);
2639   DCHECK(file.IsValid());
2640   mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2641                                          FileDescriptor(file.Pass())));
2642
2643   base::FilePath resources_pack_path;
2644   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2645   file.Initialize(resources_pack_path, flags);
2646   DCHECK(file.IsValid());
2647   mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2648                                          FileDescriptor(file.Pass())));
2649
2650   if (breakpad::IsCrashReporterEnabled()) {
2651     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2652                child_process_id);
2653     if (file.IsValid()) {
2654       mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2655                                              FileDescriptor(file.Pass())));
2656     } else {
2657       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2658                  "be disabled for this process.";
2659     }
2660   }
2661
2662 #else
2663   int crash_signal_fd = GetCrashSignalFD(command_line);
2664   if (crash_signal_fd >= 0) {
2665     mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2666                                            FileDescriptor(crash_signal_fd,
2667                                                           false)));
2668   }
2669 #endif  // defined(OS_ANDROID)
2670 }
2671 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2672
2673 #if defined(OS_WIN)
2674 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2675   return chrome::kBrowserResourcesDll;
2676 }
2677
2678 void ChromeContentBrowserClient::PreSpawnRenderer(
2679     sandbox::TargetPolicy* policy,
2680     bool* success) {
2681   // This code is duplicated in nacl_exe_win_64.cc.
2682   // Allow the server side of a pipe restricted to the "chrome.nacl."
2683   // namespace so that it cannot impersonate other system or other chrome
2684   // service pipes.
2685   sandbox::ResultCode result = policy->AddRule(
2686       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2687       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2688       L"\\\\.\\pipe\\chrome.nacl.*");
2689   if (result != sandbox::SBOX_ALL_OK) {
2690     *success = false;
2691     return;
2692   }
2693
2694   // Renderers need to send named pipe handles and shared memory
2695   // segment handles to NaCl loader processes.
2696   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2697                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2698                            L"File");
2699   if (result != sandbox::SBOX_ALL_OK) {
2700     *success = false;
2701     return;
2702   }
2703 }
2704 #endif
2705
2706 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2707     content::BrowserContext* browser_context,
2708     const GURL& url) {
2709 #if defined(ENABLE_PLUGINS)
2710   Profile* profile = Profile::FromBrowserContext(browser_context);
2711   const extensions::ExtensionSet* extension_set = NULL;
2712   if (profile) {
2713     extension_set = extensions::ExtensionSystem::Get(profile)->
2714         extension_service()->extensions();
2715   }
2716   // TODO(teravest): Populate allowed_file_handle_origins_ when FileIO is moved
2717   // from the renderer to the browser.
2718   return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2719                                               allowed_file_handle_origins_) ||
2720          IsHostAllowedByCommandLine(url, extension_set,
2721                                     switches::kAllowNaClFileHandleAPI);
2722 #else
2723   return false;
2724 #endif
2725 }
2726
2727 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs() {
2728 #if defined(ENABLE_PLUGINS)
2729   // Allow access for tests.
2730   if (CommandLine::ForCurrentProcess()->HasSwitch(
2731           switches::kEnablePepperTesting)) {
2732     return true;
2733   }
2734
2735   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2736   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2737   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2738   // Chromium builds as well.
2739   return channel <= chrome::VersionInfo::CHANNEL_DEV;
2740 #else
2741   return false;
2742 #endif
2743 }
2744
2745 #if defined(ENABLE_WEBRTC)
2746 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2747     CommandLine* to_command_line,
2748     const CommandLine& from_command_line,
2749     VersionInfo::Channel channel) {
2750 #if defined(OS_ANDROID)
2751   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2752       VersionInfo::CHANNEL_BETA;
2753 #else
2754   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2755       VersionInfo::CHANNEL_DEV;
2756 #endif
2757   if (channel <= kMaxDisableEncryptionChannel) {
2758     static const char* const kWebRtcDevSwitchNames[] = {
2759       switches::kDisableWebRtcEncryption,
2760     };
2761     to_command_line->CopySwitchesFrom(from_command_line,
2762                                       kWebRtcDevSwitchNames,
2763                                       arraysize(kWebRtcDevSwitchNames));
2764   }
2765 }
2766 #endif  // defined(ENABLE_WEBRTC)
2767
2768 }  // namespace chrome