chrome/browser/profiles/profile_impl.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/profiles/profile_impl.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10 #include "base/callback.h"
  11 #include "base/command_line.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/debug/trace_event.h"
  14 #include "base/environment.h"
  15 #include "base/file_util.h"
  16 #include "base/files/file_path.h"
  17 #include "base/memory/scoped_ptr.h"
  18 #include "base/path_service.h"
  19 #include "base/prefs/json_pref_store.h"
  20 #include "base/prefs/scoped_user_pref_update.h"
  21 #include "base/strings/string_number_conversions.h"
  22 #include "base/strings/string_util.h"
  23 #include "base/strings/stringprintf.h"
  24 #include "base/strings/utf_string_conversions.h"
  25 #include "base/synchronization/waitable_event.h"
  26 #include "base/threading/sequenced_worker_pool.h"
  27 #include "base/version.h"
  28 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
  29 #include "chrome/browser/autocomplete/shortcuts_backend.h"
  30 #include "chrome/browser/background/background_contents_service_factory.h"
  31 #include "chrome/browser/background/background_mode_manager.h"
  32 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
  33 #include "chrome/browser/browser_process.h"
  34 #include "chrome/browser/chrome_notification_types.h"
  35 #include "chrome/browser/content_settings/cookie_settings.h"
  36 #include "chrome/browser/content_settings/host_content_settings_map.h"
  37 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
  38 #include "chrome/browser/dom_distiller/lazy_dom_distiller_service.h"
  39 #include "chrome/browser/domain_reliability/service_factory.h"
  40 #include "chrome/browser/download/chrome_download_manager_delegate.h"
  41 #include "chrome/browser/download/download_service.h"
  42 #include "chrome/browser/download/download_service_factory.h"
  43 #include "chrome/browser/extensions/extension_service.h"
  44 #include "chrome/browser/extensions/extension_special_storage_policy.h"
  45 #include "chrome/browser/history/top_sites.h"
  46 #include "chrome/browser/net/chrome_url_request_context.h"
  47 #include "chrome/browser/net/net_pref_observer.h"
  48 #include "chrome/browser/net/predictor.h"
  49 #include "chrome/browser/net/pref_proxy_config_tracker.h"
  50 #include "chrome/browser/net/proxy_service_factory.h"
  51 #include "chrome/browser/net/ssl_config_service_manager.h"
  52 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
  53 #include "chrome/browser/plugins/plugin_prefs.h"
  54 #include "chrome/browser/policy/profile_policy_connector.h"
  55 #include "chrome/browser/policy/profile_policy_connector_factory.h"
  56 #include "chrome/browser/prefs/browser_prefs.h"
  57 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
  58 #include "chrome/browser/prefs/pref_service_syncable.h"
  59 #include "chrome/browser/prefs/tracked/tracked_preference_validation_delegate.h"
  60 #include "chrome/browser/prerender/prerender_manager_factory.h"
  61 #include "chrome/browser/profiles/bookmark_model_loaded_observer.h"
  62 #include "chrome/browser/profiles/chrome_version_service.h"
  63 #include "chrome/browser/profiles/gaia_info_update_service_factory.h"
  64 #include "chrome/browser/profiles/profile_destroyer.h"
  65 #include "chrome/browser/profiles/profile_info_cache.h"
  66 #include "chrome/browser/profiles/profile_manager.h"
  67 #include "chrome/browser/profiles/profile_metrics.h"
  68 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
  69 #include "chrome/browser/search_engines/template_url_fetcher.h"
  70 #include "chrome/browser/services/gcm/gcm_profile_service.h"
  71 #include "chrome/browser/services/gcm/gcm_profile_service_factory.h"
  72 #include "chrome/browser/services/gcm/push_messaging_service_impl.h"
  73 #include "chrome/browser/sessions/session_service_factory.h"
  74 #include "chrome/browser/ui/startup/startup_browser_creator.h"
  75 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
  76 #include "chrome/browser/webdata/web_data_service.h"
  77 #include "chrome/common/chrome_constants.h"
  78 #include "chrome/common/chrome_paths_internal.h"
  79 #include "chrome/common/chrome_switches.h"
  80 #include "chrome/common/chrome_version_info.h"
  81 #include "chrome/common/pref_names.h"
  82 #include "chrome/common/url_constants.h"
  83 #include "components/bookmarks/browser/bookmark_model.h"
  84 #include "components/dom_distiller/content/dom_distiller_viewer_source.h"
  85 #include "components/domain_reliability/monitor.h"
  86 #include "components/domain_reliability/service.h"
  87 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  88 #include "components/metrics/metrics_service.h"
  89 #include "components/pref_registry/pref_registry_syncable.h"
  90 #include "components/startup_metric_utils/startup_metric_utils.h"
  91 #include "components/url_fixer/url_fixer.h"
  92 #include "components/user_prefs/user_prefs.h"
  93 #include "content/public/browser/browser_thread.h"
  94 #include "content/public/browser/dom_storage_context.h"
  95 #include "content/public/browser/host_zoom_map.h"
  96 #include "content/public/browser/notification_service.h"
  97 #include "content/public/browser/render_process_host.h"
  98 #include "content/public/browser/storage_partition.h"
  99 #include "content/public/browser/url_data_source.h"
 100 #include "content/public/browser/user_metrics.h"
 101 #include "content/public/common/content_constants.h"
 102 #include "content/public/common/page_zoom.h"
 103 #include "extensions/browser/extension_pref_store.h"
 104 #include "extensions/browser/extension_pref_value_map.h"
 105 #include "extensions/browser/extension_pref_value_map_factory.h"
 106 #include "extensions/browser/extension_system.h"
 107 #include "grit/chromium_strings.h"
 108 #include "grit/generated_resources.h"
 109 #include "ui/base/l10n/l10n_util.h"
 110
 111 #if defined(OS_ANDROID)
 112 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 113 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 114 #endif
 115
 116 #if defined(OS_CHROMEOS)
 117 #include "chrome/browser/chromeos/locale_change_guard.h"
 118 #include "chrome/browser/chromeos/login/users/user_manager.h"
 119 #include "chrome/browser/chromeos/preferences.h"
 120 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 121 #endif
 122
 123 #if defined(ENABLE_CONFIGURATION_POLICY)
 124 #include "chrome/browser/policy/schema_registry_service.h"
 125 #include "chrome/browser/policy/schema_registry_service_factory.h"
 126 #include "components/policy/core/browser/browser_policy_connector.h"
 127 #if defined(OS_CHROMEOS)
 128 #include "chrome/browser/chromeos/login/login_utils.h"
 129 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.h"
 130 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
 131 #else
 132 #include "chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h"
 133 #include "components/policy/core/common/cloud/user_cloud_policy_manager.h"
 134 #endif
 135 #endif
 136
 137 #if defined(ENABLE_EXTENSIONS)
 138 #include "chrome/browser/guest_view/guest_view_manager.h"
 139 #endif
 140
 141 #if defined(ENABLE_MANAGED_USERS)
 142 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
 143 #include "chrome/browser/supervised_user/supervised_user_settings_service_factory.h"
 144 #endif
 145
 146 using base::Time;
 147 using base::TimeDelta;
 148 using base::UserMetricsAction;
 149 using content::BrowserThread;
 150 using content::DownloadManagerDelegate;
 151 using content::HostZoomMap;
 152
 153 namespace {
 154
 155 #if defined(ENABLE_SESSION_SERVICE)
 156 // Delay, in milliseconds, before we explicitly create the SessionService.
 157 static const int kCreateSessionServiceDelayMS = 500;
 158 #endif
 159
 160 // Text content of README file created in each profile directory. Both %s
 161 // placeholders must contain the product name. This is not localizable and hence
 162 // not in resources.
 163 static const char kReadmeText[] =
 164     "%s settings and storage represent user-selected preferences and "
 165     "information and MUST not be extracted, overwritten or modified except "
 166     "through %s defined APIs.";
 167
 168 // Value written to prefs for EXIT_CRASHED and EXIT_SESSION_ENDED.
 169 const char* const kPrefExitTypeCrashed = "Crashed";
 170 const char* const kPrefExitTypeSessionEnded = "SessionEnded";
 171
 172 // Helper method needed because PostTask cannot currently take a Callback
 173 // function with non-void return type.
 174 void CreateDirectoryAndSignal(const base::FilePath& path,
 175                               base::WaitableEvent* done_creating) {
 176   DVLOG(1) << "Creating directory " << path.value();
 177   base::CreateDirectory(path);
 178   done_creating->Signal();
 179 }
 180
 181 // Task that blocks the FILE thread until CreateDirectoryAndSignal() finishes on
 182 // blocking I/O pool.
 183 void BlockFileThreadOnDirectoryCreate(base::WaitableEvent* done_creating) {
 184   done_creating->Wait();
 185 }
 186
 187 // Initiates creation of profile directory on |sequenced_task_runner| and
 188 // ensures that FILE thread is blocked until that operation finishes.
 189 void CreateProfileDirectory(base::SequencedTaskRunner* sequenced_task_runner,
 190                             const base::FilePath& path) {
 191   base::WaitableEvent* done_creating = new base::WaitableEvent(false, false);
 192   sequenced_task_runner->PostTask(FROM_HERE,
 193                                   base::Bind(&CreateDirectoryAndSignal,
 194                                              path,
 195                                              done_creating));
 196   // Block the FILE thread until directory is created on I/O pool to make sure
 197   // that we don't attempt any operation until that part completes.
 198   BrowserThread::PostTask(
 199       BrowserThread::FILE, FROM_HERE,
 200       base::Bind(&BlockFileThreadOnDirectoryCreate,
 201                  base::Owned(done_creating)));
 202 }
 203
 204 base::FilePath GetCachePath(const base::FilePath& base) {
 205   return base.Append(chrome::kCacheDirname);
 206 }
 207
 208 base::FilePath GetMediaCachePath(const base::FilePath& base) {
 209   return base.Append(chrome::kMediaCacheDirname);
 210 }
 211
 212 void EnsureReadmeFile(const base::FilePath& base) {
 213   base::FilePath readme_path = base.Append(chrome::kReadmeFilename);
 214   if (base::PathExists(readme_path))
 215     return;
 216   std::string product_name = l10n_util::GetStringUTF8(IDS_PRODUCT_NAME);
 217   std::string readme_text = base::StringPrintf(
 218       kReadmeText, product_name.c_str(), product_name.c_str());
 219   if (base::WriteFile(readme_path, readme_text.data(), readme_text.size()) ==
 220       -1) {
 221     LOG(ERROR) << "Could not create README file.";
 222   }
 223 }
 224
 225 // Converts the kSessionExitedCleanly pref to the corresponding EXIT_TYPE.
 226 Profile::ExitType SessionTypePrefValueToExitType(const std::string& value) {
 227   if (value == kPrefExitTypeSessionEnded)
 228     return Profile::EXIT_SESSION_ENDED;
 229   if (value == kPrefExitTypeCrashed)
 230     return Profile::EXIT_CRASHED;
 231   return Profile::EXIT_NORMAL;
 232 }
 233
 234 // Converts an ExitType into a string that is written to prefs.
 235 std::string ExitTypeToSessionTypePrefValue(Profile::ExitType type) {
 236   switch (type) {
 237     case Profile::EXIT_NORMAL:
 238         return ProfileImpl::kPrefExitTypeNormal;
 239     case Profile::EXIT_SESSION_ENDED:
 240       return kPrefExitTypeSessionEnded;
 241     case Profile::EXIT_CRASHED:
 242       return kPrefExitTypeCrashed;
 243   }
 244   NOTREACHED();
 245   return std::string();
 246 }
 247
 248 // Setup URLDataSource for the chrome-distiller:// scheme for the given
 249 // |profile|.
 250 void RegisterDomDistillerViewerSource(Profile* profile) {
 251   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 252   if (command_line.HasSwitch(switches::kEnableDomDistiller)) {
 253     dom_distiller::DomDistillerServiceFactory* dom_distiller_service_factory =
 254         dom_distiller::DomDistillerServiceFactory::GetInstance();
 255     // The LazyDomDistillerService deletes itself when the profile is destroyed.
 256     dom_distiller::LazyDomDistillerService* lazy_service =
 257         new dom_distiller::LazyDomDistillerService(
 258             profile, dom_distiller_service_factory);
 259     content::URLDataSource::Add(profile,
 260                                 new dom_distiller::DomDistillerViewerSource(
 261                                     lazy_service, chrome::kDomDistillerScheme));
 262   }
 263 }
 264
 265 }  // namespace
 266
 267 // static
 268 Profile* Profile::CreateProfile(const base::FilePath& path,
 269                                 Delegate* delegate,
 270                                 CreateMode create_mode) {
 271   TRACE_EVENT_BEGIN1("browser",
 272                      "Profile::CreateProfile",
 273                      "profile_path",
 274                      path.value().c_str());
 275
 276   // Get sequenced task runner for making sure that file operations of
 277   // this profile (defined by |path|) are executed in expected order
 278   // (what was previously assured by the FILE thread).
 279   scoped_refptr<base::SequencedTaskRunner> sequenced_task_runner =
 280       JsonPrefStore::GetTaskRunnerForFile(path,
 281                                           BrowserThread::GetBlockingPool());
 282   if (create_mode == CREATE_MODE_ASYNCHRONOUS) {
 283     DCHECK(delegate);
 284     CreateProfileDirectory(sequenced_task_runner.get(), path);
 285   } else if (create_mode == CREATE_MODE_SYNCHRONOUS) {
 286     if (!base::PathExists(path)) {
 287       // TODO(tc): http://b/1094718 Bad things happen if we can't write to the
 288       // profile directory.  We should eventually be able to run in this
 289       // situation.
 290       if (!base::CreateDirectory(path))
 291         return NULL;
 292     }
 293   } else {
 294     NOTREACHED();
 295   }
 296
 297   return new ProfileImpl(
 298       path, delegate, create_mode, sequenced_task_runner.get());
 299 }
 300
 301 // static
 302 int ProfileImpl::create_readme_delay_ms = 60000;
 303
 304 // static
 305 const char* const ProfileImpl::kPrefExitTypeNormal = "Normal";
 306
 307 // static
 308 void ProfileImpl::RegisterProfilePrefs(
 309     user_prefs::PrefRegistrySyncable* registry) {
 310   registry->RegisterBooleanPref(
 311       prefs::kSavingBrowserHistoryDisabled,
 312       false,
 313       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 314   registry->RegisterBooleanPref(
 315       prefs::kAllowDeletingBrowserHistory,
 316       true,
 317       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 318   registry->RegisterBooleanPref(
 319       prefs::kSigninAllowed,
 320       true,
 321       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 322   registry->RegisterBooleanPref(
 323       prefs::kForceSafeSearch,
 324       false,
 325       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 326   registry->RegisterIntegerPref(
 327       prefs::kProfileAvatarIndex,
 328       -1,
 329       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 330   registry->RegisterStringPref(prefs::kSupervisedUserId,
 331                                std::string(),
 332                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 333   registry->RegisterStringPref(prefs::kProfileName,
 334                                std::string(),
 335                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 336   registry->RegisterBooleanPref(
 337       prefs::kProfileIsSupervised,
 338       false,
 339       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 340   registry->RegisterStringPref(prefs::kHomePage,
 341                                std::string(),
 342                                user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 343 #if defined(ENABLE_PRINTING)
 344   registry->RegisterBooleanPref(
 345       prefs::kPrintingEnabled,
 346       true,
 347       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 348 #endif
 349   registry->RegisterBooleanPref(
 350       prefs::kPrintPreviewDisabled,
 351       false,
 352       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 353   registry->RegisterBooleanPref(
 354       prefs::kForceEphemeralProfiles,
 355       false,
 356       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 357
 358   // Initialize the cache prefs.
 359   registry->RegisterFilePathPref(
 360       prefs::kDiskCacheDir,
 361       base::FilePath(),
 362       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 363   registry->RegisterIntegerPref(
 364       prefs::kDiskCacheSize,
 365       0,
 366       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 367   registry->RegisterIntegerPref(
 368       prefs::kMediaCacheSize,
 369       0,
 370       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 371
 372   // Deprecated. Kept around for migration.
 373   registry->RegisterBooleanPref(
 374       prefs::kClearSiteDataOnExit,
 375       false,
 376       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 377 }
 378
 379 ProfileImpl::ProfileImpl(
 380     const base::FilePath& path,
 381     Delegate* delegate,
 382     CreateMode create_mode,
 383     base::SequencedTaskRunner* sequenced_task_runner)
 384     : path_(path),
 385       pref_registry_(new user_prefs::PrefRegistrySyncable),
 386       io_data_(this),
 387       host_content_settings_map_(NULL),
 388       last_session_exit_type_(EXIT_NORMAL),
 389       start_time_(Time::Now()),
 390       delegate_(delegate),
 391       predictor_(NULL) {
 392   TRACE_EVENT0("browser", "ProfileImpl::ctor")
 393   DCHECK(!path.empty()) << "Using an empty path will attempt to write " <<
 394                             "profile files to the root directory!";
 395
 396 #if defined(ENABLE_SESSION_SERVICE)
 397   create_session_service_timer_.Start(FROM_HERE,
 398       TimeDelta::FromMilliseconds(kCreateSessionServiceDelayMS), this,
 399       &ProfileImpl::EnsureSessionServiceCreated);
 400 #endif
 401
 402   // Determine if prefetch is enabled for this profile.
 403   // If not profile_manager is present, it means we are in a unittest.
 404   const CommandLine* command_line = CommandLine::ForCurrentProcess();
 405   predictor_ = chrome_browser_net::Predictor::CreatePredictor(
 406       !command_line->HasSwitch(switches::kDisablePreconnect),
 407       g_browser_process->profile_manager() == NULL);
 408
 409   // If we are creating the profile synchronously, then we should load the
 410   // policy data immediately.
 411   bool force_immediate_policy_load = (create_mode == CREATE_MODE_SYNCHRONOUS);
 412 #if defined(ENABLE_CONFIGURATION_POLICY)
 413   policy::BrowserPolicyConnector* connector =
 414       g_browser_process->browser_policy_connector();
 415   schema_registry_service_ =
 416       policy::SchemaRegistryServiceFactory::CreateForContext(
 417           this, connector->GetChromeSchema(), connector->GetSchemaRegistry());
 418 #if defined(OS_CHROMEOS)
 419   cloud_policy_manager_ =
 420       policy::UserCloudPolicyManagerFactoryChromeOS::CreateForProfile(
 421           this, force_immediate_policy_load, sequenced_task_runner);
 422 #else
 423   cloud_policy_manager_ =
 424       policy::UserCloudPolicyManagerFactory::CreateForOriginalBrowserContext(
 425           this,
 426           force_immediate_policy_load,
 427           sequenced_task_runner,
 428           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
 429           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
 430 #endif
 431 #endif
 432   profile_policy_connector_ =
 433       policy::ProfilePolicyConnectorFactory::CreateForProfile(
 434           this, force_immediate_policy_load);
 435
 436   DCHECK(create_mode == CREATE_MODE_ASYNCHRONOUS ||
 437          create_mode == CREATE_MODE_SYNCHRONOUS);
 438   bool async_prefs = create_mode == CREATE_MODE_ASYNCHRONOUS;
 439
 440 #if defined(OS_CHROMEOS)
 441   if (chromeos::ProfileHelper::IsSigninProfile(this))
 442     chrome::RegisterLoginProfilePrefs(pref_registry_.get());
 443   else
 444 #endif
 445   chrome::RegisterUserProfilePrefs(pref_registry_.get());
 446
 447   BrowserContextDependencyManager::GetInstance()->
 448       RegisterProfilePrefsForServices(this, pref_registry_.get());
 449
 450   SupervisedUserSettingsService* supervised_user_settings = NULL;
 451 #if defined(ENABLE_MANAGED_USERS)
 452   supervised_user_settings =
 453       SupervisedUserSettingsServiceFactory::GetForProfile(this);
 454   supervised_user_settings->Init(
 455       path_, sequenced_task_runner, create_mode == CREATE_MODE_SYNCHRONOUS);
 456 #endif
 457
 458   scoped_refptr<SafeBrowsingService> safe_browsing_service(
 459       g_browser_process->safe_browsing_service());
 460   if (safe_browsing_service) {
 461     pref_validation_delegate_ =
 462         safe_browsing_service->CreatePreferenceValidationDelegate(this).Pass();
 463   }
 464
 465   {
 466     // On startup, preference loading is always synchronous so a scoped timer
 467     // will work here.
 468     startup_metric_utils::ScopedSlowStartupUMA
 469         scoped_timer("Startup.SlowStartupPreferenceLoading");
 470     prefs_ = chrome_prefs::CreateProfilePrefs(
 471         path_,
 472         sequenced_task_runner,
 473         pref_validation_delegate_.get(),
 474         profile_policy_connector_->policy_service(),
 475         supervised_user_settings,
 476         new ExtensionPrefStore(
 477             ExtensionPrefValueMapFactory::GetForBrowserContext(this), false),
 478         pref_registry_,
 479         async_prefs).Pass();
 480     // Register on BrowserContext.
 481     user_prefs::UserPrefs::Set(this, prefs_.get());
 482   }
 483
 484   startup_metric_utils::ScopedSlowStartupUMA
 485       scoped_timer("Startup.SlowStartupFinalProfileInit");
 486   if (async_prefs) {
 487     // Wait for the notification that prefs has been loaded
 488     // (successfully or not).  Note that we can use base::Unretained
 489     // because the PrefService is owned by this class and lives on
 490     // the same thread.
 491     prefs_->AddPrefInitObserver(base::Bind(&ProfileImpl::OnPrefsLoaded,
 492                                            base::Unretained(this)));
 493   } else {
 494     // Prefs were loaded synchronously so we can continue directly.
 495     OnPrefsLoaded(true);
 496   }
 497 }
 498
 499 void ProfileImpl::DoFinalInit() {
 500   TRACE_EVENT0("browser", "ProfileImpl::DoFinalInit")
 501   PrefService* prefs = GetPrefs();
 502   pref_change_registrar_.Init(prefs);
 503   pref_change_registrar_.Add(
 504       prefs::kGoogleServicesUsername,
 505       base::Bind(&ProfileImpl::UpdateProfileUserNameCache,
 506                  base::Unretained(this)));
 507   pref_change_registrar_.Add(
 508       prefs::kSupervisedUserId,
 509       base::Bind(&ProfileImpl::UpdateProfileSupervisedUserIdCache,
 510                  base::Unretained(this)));
 511   pref_change_registrar_.Add(
 512       prefs::kDefaultZoomLevel,
 513       base::Bind(&ProfileImpl::OnDefaultZoomLevelChanged,
 514                  base::Unretained(this)));
 515   pref_change_registrar_.Add(
 516       prefs::kProfileAvatarIndex,
 517       base::Bind(&ProfileImpl::UpdateProfileAvatarCache,
 518                  base::Unretained(this)));
 519   pref_change_registrar_.Add(
 520       prefs::kProfileName,
 521       base::Bind(&ProfileImpl::UpdateProfileNameCache,
 522                  base::Unretained(this)));
 523   pref_change_registrar_.Add(
 524       prefs::kForceEphemeralProfiles,
 525       base::Bind(&ProfileImpl::UpdateProfileIsEphemeralCache,
 526                  base::Unretained(this)));
 527
 528   // It would be nice to use PathService for fetching this directory, but
 529   // the cache directory depends on the profile directory, which isn't available
 530   // to PathService.
 531   chrome::GetUserCacheDirectory(path_, &base_cache_path_);
 532   // Always create the cache directory asynchronously.
 533   scoped_refptr<base::SequencedTaskRunner> sequenced_task_runner =
 534       JsonPrefStore::GetTaskRunnerForFile(base_cache_path_,
 535                                           BrowserThread::GetBlockingPool());
 536   CreateProfileDirectory(sequenced_task_runner.get(), base_cache_path_);
 537
 538   // Now that the profile is hooked up to receive pref change notifications to
 539   // kGoogleServicesUsername, initialize components that depend on it to reflect
 540   // the current value.
 541   UpdateProfileUserNameCache();
 542   UpdateProfileSupervisedUserIdCache();
 543   UpdateProfileIsEphemeralCache();
 544   GAIAInfoUpdateServiceFactory::GetForProfile(this);
 545
 546   PrefService* local_state = g_browser_process->local_state();
 547   ssl_config_service_manager_.reset(
 548       SSLConfigServiceManager::CreateDefaultManager(local_state));
 549
 550   // Initialize the BackgroundModeManager - this has to be done here before
 551   // InitExtensions() is called because it relies on receiving notifications
 552   // when extensions are loaded. BackgroundModeManager is not needed under
 553   // ChromeOS because Chrome is always running, no need for special keep-alive
 554   // or launch-on-startup support unless kKeepAliveForTest is set.
 555   bool init_background_mode_manager = true;
 556 #if defined(OS_CHROMEOS)
 557   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kKeepAliveForTest))
 558     init_background_mode_manager = false;
 559 #endif
 560   if (init_background_mode_manager) {
 561     if (g_browser_process->background_mode_manager())
 562       g_browser_process->background_mode_manager()->RegisterProfile(this);
 563   }
 564
 565   base::FilePath cookie_path = GetPath();
 566   cookie_path = cookie_path.Append(chrome::kCookieFilename);
 567   base::FilePath server_bound_cert_path = GetPath();
 568   server_bound_cert_path =
 569       server_bound_cert_path.Append(chrome::kOBCertFilename);
 570   base::FilePath cache_path = base_cache_path_;
 571   int cache_max_size;
 572   GetCacheParameters(false, &cache_path, &cache_max_size);
 573   cache_path = GetCachePath(cache_path);
 574
 575   base::FilePath media_cache_path = base_cache_path_;
 576   int media_cache_max_size;
 577   GetCacheParameters(true, &media_cache_path, &media_cache_max_size);
 578   media_cache_path = GetMediaCachePath(media_cache_path);
 579
 580   base::FilePath extensions_cookie_path = GetPath();
 581   extensions_cookie_path =
 582       extensions_cookie_path.Append(chrome::kExtensionsCookieFilename);
 583
 584   base::FilePath infinite_cache_path = GetPath();
 585   infinite_cache_path =
 586       infinite_cache_path.Append(FILE_PATH_LITERAL("Infinite Cache"));
 587
 588 #if defined(OS_ANDROID)
 589   SessionStartupPref::Type startup_pref_type =
 590       SessionStartupPref::GetDefaultStartupType();
 591 #else
 592   SessionStartupPref::Type startup_pref_type =
 593       StartupBrowserCreator::GetSessionStartupPref(
 594           *CommandLine::ForCurrentProcess(), this).type;
 595 #endif
 596   content::CookieStoreConfig::SessionCookieMode session_cookie_mode =
 597       content::CookieStoreConfig::PERSISTANT_SESSION_COOKIES;
 598   if (GetLastSessionExitType() == Profile::EXIT_CRASHED ||
 599       startup_pref_type == SessionStartupPref::LAST) {
 600     session_cookie_mode = content::CookieStoreConfig::RESTORED_SESSION_COOKIES;
 601   }
 602
 603   InitHostZoomMap();
 604
 605   // Make sure we initialize the ProfileIOData after everything else has been
 606   // initialized that we might be reading from the IO thread.
 607
 608   io_data_.Init(cookie_path, server_bound_cert_path, cache_path,
 609                 cache_max_size, media_cache_path, media_cache_max_size,
 610                 extensions_cookie_path, GetPath(), infinite_cache_path,
 611                 predictor_, session_cookie_mode, GetSpecialStoragePolicy(),
 612                 CreateDomainReliabilityMonitor());
 613
 614 #if defined(ENABLE_PLUGINS)
 615   ChromePluginServiceFilter::GetInstance()->RegisterResourceContext(
 616       PluginPrefs::GetForProfile(this).get(),
 617       io_data_.GetResourceContextNoInit());
 618 #endif
 619
 620   // Delay README creation to not impact startup performance.
 621   BrowserThread::PostDelayedTask(
 622         BrowserThread::FILE, FROM_HERE,
 623         base::Bind(&EnsureReadmeFile, GetPath()),
 624         base::TimeDelta::FromMilliseconds(create_readme_delay_ms));
 625
 626   TRACE_EVENT0("browser", "ProfileImpl::SetSaveSessionStorageOnDisk");
 627   content::BrowserContext::GetDefaultStoragePartition(this)->
 628       GetDOMStorageContext()->SetSaveSessionStorageOnDisk();
 629
 630   // The DomDistillerViewerSource is not a normal WebUI so it must be registered
 631   // as a URLDataSource early.
 632   RegisterDomDistillerViewerSource(this);
 633
 634   // Creation has been finished.
 635   TRACE_EVENT_END1("browser",
 636                    "Profile::CreateProfile",
 637                    "profile_path",
 638                    path_.value().c_str());
 639
 640 #if defined(OS_CHROMEOS)
 641   if (chromeos::LoginUtils::Get()->RestartToApplyPerSessionFlagsIfNeed(this,
 642                                                                        true)) {
 643     return;
 644   }
 645 #endif
 646
 647   if (delegate_) {
 648     TRACE_EVENT0("browser", "ProfileImpl::DoFileInit:DelegateOnProfileCreated")
 649     delegate_->OnProfileCreated(this, true, IsNewProfile());
 650   }
 651
 652   content::NotificationService::current()->Notify(
 653       chrome::NOTIFICATION_PROFILE_CREATED,
 654       content::Source<Profile>(this),
 655       content::NotificationService::NoDetails());
 656
 657 #if !defined(OS_CHROMEOS)
 658   // Listen for bookmark model load, to bootstrap the sync service.
 659   // On CrOS sync service will be initialized after sign in.
 660   BookmarkModel* model = BookmarkModelFactory::GetForProfile(this);
 661   model->AddObserver(new BookmarkModelLoadedObserver(this));
 662 #endif
 663
 664   gcm::PushMessagingServiceImpl::InitializeForProfile(this);
 665 }
 666
 667 void ProfileImpl::InitHostZoomMap() {
 668   HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
 669   host_zoom_map->SetDefaultZoomLevel(
 670       prefs_->GetDouble(prefs::kDefaultZoomLevel));
 671
 672   const base::DictionaryValue* host_zoom_dictionary =
 673       prefs_->GetDictionary(prefs::kPerHostZoomLevels);
 674   // Careful: The returned value could be NULL if the pref has never been set.
 675   if (host_zoom_dictionary != NULL) {
 676     std::vector<std::string> keys_to_remove;
 677     for (base::DictionaryValue::Iterator i(*host_zoom_dictionary); !i.IsAtEnd();
 678          i.Advance()) {
 679       const std::string& host(i.key());
 680       double zoom_level = 0;
 681
 682       bool success = i.value().GetAsDouble(&zoom_level);
 683       DCHECK(success);
 684
 685       // Filter out A) the empty host, B) zoom levels equal to the default; and
 686       // remember them, so that we can later erase them from Prefs.
 687       // Values of type A and B could have been stored due to crbug.com/364399.
 688       // Values of type B could further have been stored before the default zoom
 689       // level was set to its current value. In either case, SetZoomLevelForHost
 690       // will ignore type B values, thus, to have consistency with HostZoomMap's
 691       // internal state, these values must also be removed from Prefs.
 692       if (host.empty() ||
 693           content::ZoomValuesEqual(zoom_level,
 694                                    host_zoom_map->GetDefaultZoomLevel())) {
 695         keys_to_remove.push_back(host);
 696         continue;
 697       }
 698
 699       host_zoom_map->SetZoomLevelForHost(host, zoom_level);
 700     }
 701
 702     DictionaryPrefUpdate update(prefs_.get(), prefs::kPerHostZoomLevels);
 703     base::DictionaryValue* host_zoom_dictionary = update.Get();
 704     for (std::vector<std::string>::const_iterator it = keys_to_remove.begin();
 705          it != keys_to_remove.end(); ++it) {
 706       host_zoom_dictionary->RemoveWithoutPathExpansion(*it, NULL);
 707     }
 708   }
 709
 710   zoom_subscription_ = host_zoom_map->AddZoomLevelChangedCallback(
 711       base::Bind(&ProfileImpl::OnZoomLevelChanged, base::Unretained(this)));
 712 }
 713
 714 base::FilePath ProfileImpl::last_selected_directory() {
 715   return GetPrefs()->GetFilePath(prefs::kSelectFileLastDirectory);
 716 }
 717
 718 void ProfileImpl::set_last_selected_directory(const base::FilePath& path) {
 719   GetPrefs()->SetFilePath(prefs::kSelectFileLastDirectory, path);
 720 }
 721
 722 ProfileImpl::~ProfileImpl() {
 723   MaybeSendDestroyedNotification();
 724
 725   bool prefs_loaded = prefs_->GetInitializationStatus() !=
 726       PrefService::INITIALIZATION_STATUS_WAITING;
 727
 728 #if defined(ENABLE_SESSION_SERVICE)
 729   StopCreateSessionServiceTimer();
 730 #endif
 731
 732   // Remove pref observers
 733   pref_change_registrar_.RemoveAll();
 734
 735 #if defined(ENABLE_PLUGINS)
 736   ChromePluginServiceFilter::GetInstance()->UnregisterResourceContext(
 737       io_data_.GetResourceContextNoInit());
 738 #endif
 739
 740   // Destroy OTR profile and its profile services first.
 741   if (off_the_record_profile_) {
 742     ProfileDestroyer::DestroyOffTheRecordProfileNow(
 743         off_the_record_profile_.get());
 744   } else {
 745     ExtensionPrefValueMapFactory::GetForBrowserContext(this)->
 746         ClearAllIncognitoSessionOnlyPreferences();
 747   }
 748
 749   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
 750       this);
 751
 752   if (top_sites_.get())
 753     top_sites_->Shutdown();
 754
 755   if (pref_proxy_config_tracker_)
 756     pref_proxy_config_tracker_->DetachFromPrefService();
 757
 758   if (host_content_settings_map_.get())
 759     host_content_settings_map_->ShutdownOnUIThread();
 760
 761   // This causes the Preferences file to be written to disk.
 762   if (prefs_loaded)
 763     SetExitType(EXIT_NORMAL);
 764 }
 765
 766 std::string ProfileImpl::GetProfileName() {
 767   return GetPrefs()->GetString(prefs::kGoogleServicesUsername);
 768 }
 769
 770 Profile::ProfileType ProfileImpl::GetProfileType() const {
 771   return REGULAR_PROFILE;
 772 }
 773
 774 base::FilePath ProfileImpl::GetPath() const {
 775   return path_;
 776 }
 777
 778 scoped_refptr<base::SequencedTaskRunner> ProfileImpl::GetIOTaskRunner() {
 779   return JsonPrefStore::GetTaskRunnerForFile(
 780       GetPath(), BrowserThread::GetBlockingPool());
 781 }
 782
 783 bool ProfileImpl::IsOffTheRecord() const {
 784   return false;
 785 }
 786
 787 Profile* ProfileImpl::GetOffTheRecordProfile() {
 788   if (!off_the_record_profile_) {
 789     scoped_ptr<Profile> p(CreateOffTheRecordProfile());
 790     off_the_record_profile_.swap(p);
 791
 792     content::NotificationService::current()->Notify(
 793         chrome::NOTIFICATION_PROFILE_CREATED,
 794         content::Source<Profile>(off_the_record_profile_.get()),
 795         content::NotificationService::NoDetails());
 796   }
 797   return off_the_record_profile_.get();
 798 }
 799
 800 void ProfileImpl::DestroyOffTheRecordProfile() {
 801   off_the_record_profile_.reset();
 802   ExtensionPrefValueMapFactory::GetForBrowserContext(this)->
 803       ClearAllIncognitoSessionOnlyPreferences();
 804 }
 805
 806 bool ProfileImpl::HasOffTheRecordProfile() {
 807   return off_the_record_profile_.get() != NULL;
 808 }
 809
 810 Profile* ProfileImpl::GetOriginalProfile() {
 811   return this;
 812 }
 813
 814 bool ProfileImpl::IsSupervised() {
 815   return !GetPrefs()->GetString(prefs::kSupervisedUserId).empty();
 816 }
 817
 818 ExtensionSpecialStoragePolicy*
 819     ProfileImpl::GetExtensionSpecialStoragePolicy() {
 820   if (!extension_special_storage_policy_.get()) {
 821     TRACE_EVENT0("browser", "ProfileImpl::GetExtensionSpecialStoragePolicy")
 822     extension_special_storage_policy_ = new ExtensionSpecialStoragePolicy(
 823         CookieSettings::Factory::GetForProfile(this).get());
 824   }
 825   return extension_special_storage_policy_.get();
 826 }
 827
 828 void ProfileImpl::OnPrefsLoaded(bool success) {
 829   TRACE_EVENT0("browser", "ProfileImpl::OnPrefsLoaded")
 830   if (!success) {
 831     if (delegate_)
 832       delegate_->OnProfileCreated(this, false, false);
 833     return;
 834   }
 835
 836   // TODO(mirandac): remove migration code after 6 months (crbug.com/69995).
 837   if (g_browser_process->local_state())
 838     chrome::MigrateBrowserPrefs(this, g_browser_process->local_state());
 839   // TODO(ivankr): remove cleanup code eventually (crbug.com/165672).
 840   chrome::MigrateUserPrefs(this);
 841
 842   // |kSessionExitType| was added after |kSessionExitedCleanly|. If the pref
 843   // value is empty fallback to checking for |kSessionExitedCleanly|.
 844   const std::string exit_type_pref_value(
 845       prefs_->GetString(prefs::kSessionExitType));
 846   if (exit_type_pref_value.empty()) {
 847     last_session_exit_type_ =
 848         prefs_->GetBoolean(prefs::kSessionExitedCleanly) ?
 849           EXIT_NORMAL : EXIT_CRASHED;
 850   } else {
 851     last_session_exit_type_ =
 852         SessionTypePrefValueToExitType(exit_type_pref_value);
 853   }
 854   // Mark the session as open.
 855   prefs_->SetString(prefs::kSessionExitType, kPrefExitTypeCrashed);
 856   // Force this to true in case we fallback and use it.
 857   // TODO(sky): remove this in a couple of releases (m28ish).
 858   prefs_->SetBoolean(prefs::kSessionExitedCleanly, true);
 859
 860 #if defined(OS_ANDROID) && defined(FULL_SAFE_BROWSING)
 861   // Force safe browsing to false in the case we need to roll back for users
 862   // enrolled in Finch trial before.
 863   if (!SafeBrowsingService::IsEnabledByFieldTrial())
 864     prefs_->SetBoolean(prefs::kSafeBrowsingEnabled, false);
 865 #endif
 866
 867   g_browser_process->profile_manager()->InitProfileUserPrefs(this);
 868
 869   BrowserContextDependencyManager::GetInstance()->CreateBrowserContextServices(
 870       this);
 871
 872   DCHECK(!net_pref_observer_);
 873   {
 874     TRACE_EVENT0("browser", "ProfileImpl::OnPrefsLoaded:NetPrefObserver")
 875     net_pref_observer_.reset(new NetPrefObserver(
 876         prefs_.get(),
 877         prerender::PrerenderManagerFactory::GetForProfile(this),
 878         predictor_));
 879   }
 880
 881   chrome_prefs::SchedulePrefsFilePathVerification(path_);
 882
 883   ChromeVersionService::OnProfileLoaded(prefs_.get(), IsNewProfile());
 884   DoFinalInit();
 885 }
 886
 887 bool ProfileImpl::WasCreatedByVersionOrLater(const std::string& version) {
 888   Version profile_version(ChromeVersionService::GetVersion(prefs_.get()));
 889   Version arg_version(version);
 890   return (profile_version.CompareTo(arg_version) >= 0);
 891 }
 892
 893 void ProfileImpl::SetExitType(ExitType exit_type) {
 894 #if defined(OS_CHROMEOS)
 895   if (chromeos::ProfileHelper::IsSigninProfile(this))
 896     return;
 897 #endif
 898   if (!prefs_)
 899     return;
 900   ExitType current_exit_type = SessionTypePrefValueToExitType(
 901       prefs_->GetString(prefs::kSessionExitType));
 902   // This may be invoked multiple times during shutdown. Only persist the value
 903   // first passed in (unless it's a reset to the crash state, which happens when
 904   // foregrounding the app on mobile).
 905   if (exit_type == EXIT_CRASHED || current_exit_type == EXIT_CRASHED) {
 906     prefs_->SetString(prefs::kSessionExitType,
 907                       ExitTypeToSessionTypePrefValue(exit_type));
 908
 909     // NOTE: If you change what thread this writes on, be sure and update
 910     // chrome::SessionEnding().
 911     prefs_->CommitPendingWrite();
 912   }
 913 }
 914
 915 Profile::ExitType ProfileImpl::GetLastSessionExitType() {
 916   // last_session_exited_cleanly_ is set when the preferences are loaded. Force
 917   // it to be set by asking for the prefs.
 918   GetPrefs();
 919   return last_session_exit_type_;
 920 }
 921
 922 PrefService* ProfileImpl::GetPrefs() {
 923   DCHECK(prefs_);  // Should explicitly be initialized.
 924   return prefs_.get();
 925 }
 926
 927 PrefService* ProfileImpl::GetOffTheRecordPrefs() {
 928   DCHECK(prefs_);
 929   if (!otr_prefs_) {
 930     // The new ExtensionPrefStore is ref_counted and the new PrefService
 931     // stores a reference so that we do not leak memory here.
 932     otr_prefs_.reset(prefs_->CreateIncognitoPrefService(
 933         new ExtensionPrefStore(
 934             ExtensionPrefValueMapFactory::GetForBrowserContext(this), true)));
 935   }
 936   return otr_prefs_.get();
 937 }
 938
 939 net::URLRequestContextGetter* ProfileImpl::CreateRequestContext(
 940     content::ProtocolHandlerMap* protocol_handlers,
 941     content::URLRequestInterceptorScopedVector request_interceptors) {
 942   return io_data_.CreateMainRequestContextGetter(
 943       protocol_handlers,
 944       request_interceptors.Pass(),
 945       g_browser_process->local_state(),
 946       g_browser_process->io_thread()).get();
 947 }
 948
 949 net::URLRequestContextGetter* ProfileImpl::GetRequestContext() {
 950   return GetDefaultStoragePartition(this)->GetURLRequestContext();
 951 }
 952
 953 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForRenderProcess(
 954     int renderer_child_id) {
 955   content::RenderProcessHost* rph = content::RenderProcessHost::FromID(
 956       renderer_child_id);
 957
 958   return rph->GetStoragePartition()->GetURLRequestContext();
 959 }
 960
 961 net::URLRequestContextGetter* ProfileImpl::GetMediaRequestContext() {
 962   // Return the default media context.
 963   return io_data_.GetMediaRequestContextGetter().get();
 964 }
 965
 966 net::URLRequestContextGetter*
 967 ProfileImpl::GetMediaRequestContextForRenderProcess(
 968     int renderer_child_id) {
 969   content::RenderProcessHost* rph = content::RenderProcessHost::FromID(
 970       renderer_child_id);
 971   content::StoragePartition* storage_partition = rph->GetStoragePartition();
 972
 973   return storage_partition->GetMediaURLRequestContext();
 974 }
 975
 976 net::URLRequestContextGetter*
 977 ProfileImpl::GetMediaRequestContextForStoragePartition(
 978     const base::FilePath& partition_path,
 979     bool in_memory) {
 980   return io_data_
 981       .GetIsolatedMediaRequestContextGetter(partition_path, in_memory).get();
 982 }
 983
 984 content::ResourceContext* ProfileImpl::GetResourceContext() {
 985   return io_data_.GetResourceContext();
 986 }
 987
 988 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForExtensions() {
 989   return io_data_.GetExtensionsRequestContextGetter().get();
 990 }
 991
 992 net::URLRequestContextGetter*
 993 ProfileImpl::CreateRequestContextForStoragePartition(
 994     const base::FilePath& partition_path,
 995     bool in_memory,
 996     content::ProtocolHandlerMap* protocol_handlers,
 997     content::URLRequestInterceptorScopedVector request_interceptors) {
 998   return io_data_.CreateIsolatedAppRequestContextGetter(
 999       partition_path,
1000       in_memory,
1001       protocol_handlers,
1002       request_interceptors.Pass()).get();
1003 }
1004
1005 net::SSLConfigService* ProfileImpl::GetSSLConfigService() {
1006   // If ssl_config_service_manager_ is null, this typically means that some
1007   // KeyedService is trying to create a RequestContext at startup,
1008   // but SSLConfigServiceManager is not initialized until DoFinalInit() which is
1009   // invoked after all KeyedServices have been initialized (see
1010   // http://crbug.com/171406).
1011   DCHECK(ssl_config_service_manager_) <<
1012       "SSLConfigServiceManager is not initialized yet";
1013   return ssl_config_service_manager_->Get();
1014 }
1015
1016 HostContentSettingsMap* ProfileImpl::GetHostContentSettingsMap() {
1017   if (!host_content_settings_map_.get()) {
1018     host_content_settings_map_ = new HostContentSettingsMap(GetPrefs(), false);
1019   }
1020   return host_content_settings_map_.get();
1021 }
1022
1023 content::BrowserPluginGuestManager* ProfileImpl::GetGuestManager() {
1024 #if defined(ENABLE_EXTENSIONS)
1025   return GuestViewManager::FromBrowserContext(this);
1026 #else
1027   return NULL;
1028 #endif
1029 }
1030
1031 DownloadManagerDelegate* ProfileImpl::GetDownloadManagerDelegate() {
1032   return DownloadServiceFactory::GetForBrowserContext(this)->
1033       GetDownloadManagerDelegate();
1034 }
1035
1036 quota::SpecialStoragePolicy* ProfileImpl::GetSpecialStoragePolicy() {
1037   return GetExtensionSpecialStoragePolicy();
1038 }
1039
1040 content::PushMessagingService* ProfileImpl::GetPushMessagingService() {
1041   return gcm::GCMProfileServiceFactory::GetForProfile(
1042       this)->push_messaging_service();
1043 }
1044
1045 bool ProfileImpl::IsSameProfile(Profile* profile) {
1046   if (profile == static_cast<Profile*>(this))
1047     return true;
1048   Profile* otr_profile = off_the_record_profile_.get();
1049   return otr_profile && profile == otr_profile;
1050 }
1051
1052 Time ProfileImpl::GetStartTime() const {
1053   return start_time_;
1054 }
1055
1056 history::TopSites* ProfileImpl::GetTopSites() {
1057   if (!top_sites_.get()) {
1058     top_sites_ = history::TopSites::Create(
1059         this, GetPath().Append(chrome::kTopSitesFilename));
1060   }
1061   return top_sites_.get();
1062 }
1063
1064 history::TopSites* ProfileImpl::GetTopSitesWithoutCreating() {
1065   return top_sites_.get();
1066 }
1067
1068 void ProfileImpl::OnDefaultZoomLevelChanged() {
1069   HostZoomMap::GetForBrowserContext(this)->SetDefaultZoomLevel(
1070       pref_change_registrar_.prefs()->GetDouble(prefs::kDefaultZoomLevel));
1071 }
1072
1073 void ProfileImpl::OnZoomLevelChanged(
1074     const HostZoomMap::ZoomLevelChange& change) {
1075
1076   if (change.mode != HostZoomMap::ZOOM_CHANGED_FOR_HOST)
1077     return;
1078   HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
1079   double level = change.zoom_level;
1080   DictionaryPrefUpdate update(prefs_.get(), prefs::kPerHostZoomLevels);
1081   base::DictionaryValue* host_zoom_dictionary = update.Get();
1082   if (content::ZoomValuesEqual(level, host_zoom_map->GetDefaultZoomLevel())) {
1083     host_zoom_dictionary->RemoveWithoutPathExpansion(change.host, NULL);
1084   } else {
1085     host_zoom_dictionary->SetWithoutPathExpansion(
1086         change.host, base::Value::CreateDoubleValue(level));
1087   }
1088 }
1089
1090 #if defined(ENABLE_SESSION_SERVICE)
1091 void ProfileImpl::StopCreateSessionServiceTimer() {
1092   create_session_service_timer_.Stop();
1093 }
1094
1095 void ProfileImpl::EnsureSessionServiceCreated() {
1096   SessionServiceFactory::GetForProfile(this);
1097 }
1098 #endif
1099
1100 #if defined(OS_CHROMEOS)
1101 void ProfileImpl::ChangeAppLocale(
1102     const std::string& new_locale, AppLocaleChangedVia via) {
1103   if (new_locale.empty()) {
1104     NOTREACHED();
1105     return;
1106   }
1107   PrefService* local_state = g_browser_process->local_state();
1108   DCHECK(local_state);
1109   if (local_state->IsManagedPreference(prefs::kApplicationLocale))
1110     return;
1111   std::string pref_locale = GetPrefs()->GetString(prefs::kApplicationLocale);
1112   bool do_update_pref = true;
1113   switch (via) {
1114     case APP_LOCALE_CHANGED_VIA_SETTINGS:
1115     case APP_LOCALE_CHANGED_VIA_REVERT: {
1116       // We keep kApplicationLocaleBackup value as a reference.  In case value
1117       // of kApplicationLocale preference would change due to sync from other
1118       // device then kApplicationLocaleBackup value will trigger and allow us to
1119       // show notification about automatic locale change in LocaleChangeGuard.
1120       GetPrefs()->SetString(prefs::kApplicationLocaleBackup, new_locale);
1121       GetPrefs()->ClearPref(prefs::kApplicationLocaleAccepted);
1122       // We maintain kApplicationLocale property in both a global storage
1123       // and user's profile.  Global property determines locale of login screen,
1124       // while user's profile determines his personal locale preference.
1125       break;
1126     }
1127     case APP_LOCALE_CHANGED_VIA_LOGIN: {
1128       if (!pref_locale.empty()) {
1129         DCHECK(pref_locale == new_locale);
1130         std::string accepted_locale =
1131             GetPrefs()->GetString(prefs::kApplicationLocaleAccepted);
1132         if (accepted_locale == new_locale) {
1133           // If locale is accepted then we do not want to show LocaleChange
1134           // notification.  This notification is triggered by different values
1135           // of kApplicationLocaleBackup and kApplicationLocale preferences,
1136           // so make them identical.
1137           GetPrefs()->SetString(prefs::kApplicationLocaleBackup, new_locale);
1138         } else {
1139           // Back up locale of login screen.
1140           std::string cur_locale = g_browser_process->GetApplicationLocale();
1141           GetPrefs()->SetString(prefs::kApplicationLocaleBackup, cur_locale);
1142           if (locale_change_guard_ == NULL)
1143             locale_change_guard_.reset(new chromeos::LocaleChangeGuard(this));
1144           locale_change_guard_->PrepareChangingLocale(cur_locale, new_locale);
1145         }
1146       } else {
1147         std::string cur_locale = g_browser_process->GetApplicationLocale();
1148         std::string backup_locale =
1149             GetPrefs()->GetString(prefs::kApplicationLocaleBackup);
1150         // Profile synchronization takes time and is not completed at that
1151         // moment at first login.  So we initialize locale preference in steps:
1152         // (1) first save it to temporary backup;
1153         // (2) on next login we assume that synchronization is already completed
1154         //     and we may finalize initialization.
1155         GetPrefs()->SetString(prefs::kApplicationLocaleBackup, cur_locale);
1156         if (!new_locale.empty())
1157           GetPrefs()->SetString(prefs::kApplicationLocale, new_locale);
1158         else if (!backup_locale.empty())
1159           GetPrefs()->SetString(prefs::kApplicationLocale, backup_locale);
1160         do_update_pref = false;
1161       }
1162       break;
1163     }
1164     case APP_LOCALE_CHANGED_VIA_UNKNOWN:
1165     default: {
1166       NOTREACHED();
1167       break;
1168     }
1169   }
1170   if (do_update_pref)
1171     GetPrefs()->SetString(prefs::kApplicationLocale, new_locale);
1172   local_state->SetString(prefs::kApplicationLocale, new_locale);
1173
1174   if (chromeos::UserManager::Get()->GetOwnerEmail() ==
1175       chromeos::UserManager::Get()->GetUserByProfile(this)->email())
1176     local_state->SetString(prefs::kOwnerLocale, new_locale);
1177 }
1178
1179 void ProfileImpl::OnLogin() {
1180   if (locale_change_guard_ == NULL)
1181     locale_change_guard_.reset(new chromeos::LocaleChangeGuard(this));
1182   locale_change_guard_->OnLogin();
1183 }
1184
1185 void ProfileImpl::InitChromeOSPreferences() {
1186   chromeos_preferences_.reset(new chromeos::Preferences());
1187   chromeos_preferences_->Init(
1188       PrefServiceSyncable::FromProfile(this),
1189       chromeos::UserManager::Get()->GetUserByProfile(this));
1190 }
1191
1192 #endif  // defined(OS_CHROMEOS)
1193
1194 PrefProxyConfigTracker* ProfileImpl::GetProxyConfigTracker() {
1195   if (!pref_proxy_config_tracker_)
1196     pref_proxy_config_tracker_.reset(CreateProxyConfigTracker());
1197   return pref_proxy_config_tracker_.get();
1198 }
1199
1200 chrome_browser_net::Predictor* ProfileImpl::GetNetworkPredictor() {
1201   return predictor_;
1202 }
1203
1204 DevToolsNetworkController* ProfileImpl::GetDevToolsNetworkController() {
1205   return io_data_.GetDevToolsNetworkController();
1206 }
1207
1208 void ProfileImpl::ClearNetworkingHistorySince(
1209     base::Time time,
1210     const base::Closure& completion) {
1211   io_data_.ClearNetworkingHistorySince(time, completion);
1212 }
1213
1214 GURL ProfileImpl::GetHomePage() {
1215   // --homepage overrides any preferences.
1216   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
1217   if (command_line.HasSwitch(switches::kHomePage)) {
1218     // TODO(evanm): clean up usage of DIR_CURRENT.
1219     //   http://code.google.com/p/chromium/issues/detail?id=60630
1220     // For now, allow this code to call getcwd().
1221     base::ThreadRestrictions::ScopedAllowIO allow_io;
1222
1223     base::FilePath browser_directory;
1224     PathService::Get(base::DIR_CURRENT, &browser_directory);
1225     GURL home_page(url_fixer::FixupRelativeFile(
1226         browser_directory,
1227         command_line.GetSwitchValuePath(switches::kHomePage)));
1228     if (home_page.is_valid())
1229       return home_page;
1230   }
1231
1232   if (GetPrefs()->GetBoolean(prefs::kHomePageIsNewTabPage))
1233     return GURL(chrome::kChromeUINewTabURL);
1234   GURL home_page(url_fixer::FixupURL(GetPrefs()->GetString(prefs::kHomePage),
1235                                      std::string()));
1236   if (!home_page.is_valid())
1237     return GURL(chrome::kChromeUINewTabURL);
1238   return home_page;
1239 }
1240
1241 void ProfileImpl::UpdateProfileUserNameCache() {
1242   ProfileManager* profile_manager = g_browser_process->profile_manager();
1243   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1244   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1245   if (index != std::string::npos) {
1246     std::string user_name =
1247         GetPrefs()->GetString(prefs::kGoogleServicesUsername);
1248     cache.SetUserNameOfProfileAtIndex(index, base::UTF8ToUTF16(user_name));
1249     ProfileMetrics::UpdateReportedProfilesStatistics(profile_manager);
1250   }
1251 }
1252
1253 void ProfileImpl::UpdateProfileSupervisedUserIdCache() {
1254   ProfileManager* profile_manager = g_browser_process->profile_manager();
1255   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1256   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1257   if (index != std::string::npos) {
1258     std::string supervised_user_id =
1259         GetPrefs()->GetString(prefs::kSupervisedUserId);
1260     cache.SetSupervisedUserIdOfProfileAtIndex(index, supervised_user_id);
1261     ProfileMetrics::UpdateReportedProfilesStatistics(profile_manager);
1262   }
1263 }
1264
1265 void ProfileImpl::UpdateProfileNameCache() {
1266   ProfileManager* profile_manager = g_browser_process->profile_manager();
1267   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1268   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1269   if (index != std::string::npos) {
1270     std::string profile_name =
1271         GetPrefs()->GetString(prefs::kProfileName);
1272     cache.SetNameOfProfileAtIndex(index, base::UTF8ToUTF16(profile_name));
1273   }
1274 }
1275
1276 void ProfileImpl::UpdateProfileAvatarCache() {
1277   ProfileManager* profile_manager = g_browser_process->profile_manager();
1278   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1279   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1280   if (index != std::string::npos) {
1281     size_t avatar_index =
1282         GetPrefs()->GetInteger(prefs::kProfileAvatarIndex);
1283     cache.SetAvatarIconOfProfileAtIndex(index, avatar_index);
1284   }
1285 }
1286
1287 void ProfileImpl::UpdateProfileIsEphemeralCache() {
1288   ProfileManager* profile_manager = g_browser_process->profile_manager();
1289   ProfileInfoCache& cache = profile_manager->GetProfileInfoCache();
1290   size_t index = cache.GetIndexOfProfileWithPath(GetPath());
1291   if (index != std::string::npos) {
1292     bool is_ephemeral = GetPrefs()->GetBoolean(prefs::kForceEphemeralProfiles);
1293     cache.SetProfileIsEphemeralAtIndex(index, is_ephemeral);
1294   }
1295 }
1296
1297 // Gets the cache parameters from the command line. If |is_media_context| is
1298 // set to true then settings for the media context type is what we need,
1299 // |cache_path| will be set to the user provided path, or will not be touched if
1300 // there is not an argument. |max_size| will be the user provided value or zero
1301 // by default.
1302 void ProfileImpl::GetCacheParameters(bool is_media_context,
1303                                      base::FilePath* cache_path,
1304                                      int* max_size) {
1305   DCHECK(cache_path);
1306   DCHECK(max_size);
1307   base::FilePath path(prefs_->GetFilePath(prefs::kDiskCacheDir));
1308   if (!path.empty())
1309     *cache_path = path;
1310   *max_size = is_media_context ? prefs_->GetInteger(prefs::kMediaCacheSize) :
1311                                  prefs_->GetInteger(prefs::kDiskCacheSize);
1312 }
1313
1314 PrefProxyConfigTracker* ProfileImpl::CreateProxyConfigTracker() {
1315 #if defined(OS_CHROMEOS)
1316   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
1317     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
1318         g_browser_process->local_state());
1319   }
1320 #endif  // defined(OS_CHROMEOS)
1321   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
1322       GetPrefs(), g_browser_process->local_state());
1323 }
1324
1325 scoped_ptr<domain_reliability::DomainReliabilityMonitor>
1326 ProfileImpl::CreateDomainReliabilityMonitor() {
1327   domain_reliability::DomainReliabilityService* service =
1328       domain_reliability::DomainReliabilityServiceFactory::GetInstance()->
1329           GetForBrowserContext(this);
1330   if (!service)
1331     return scoped_ptr<domain_reliability::DomainReliabilityMonitor>();
1332
1333   return service->CreateMonitor(
1334       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO));
1335 }