text: // Copyright 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "chrome/browser/prefs/browser_prefs.h"
  
  #include <string>
  
  #include "base/debug/trace_event.h"
  #include "base/prefs/pref_registry_simple.h"
  #include "base/prefs/pref_service.h"
  #include "chrome/browser/about_flags.h"
  #include "chrome/browser/accessibility/invert_bubble_prefs.h"
  #include "chrome/browser/apps/drive/drive_app_mapping.h"
  #include "chrome/browser/apps/shortcut_manager.h"
  #include "chrome/browser/autocomplete/zero_suggest_provider.h"
  #include "chrome/browser/background/background_mode_manager.h"
  #include "chrome/browser/browser_process_impl.h"
  #include "chrome/browser/browser_shutdown.h"
  #include "chrome/browser/chrome_content_browser_client.h"
  #include "chrome/browser/component_updater/recovery_component_installer.h"
  #include "chrome/browser/content_settings/host_content_settings_map.h"
  #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  #include "chrome/browser/devtools/devtools_window.h"
  #include "chrome/browser/download/download_prefs.h"
  #include "chrome/browser/external_protocol/external_protocol_handler.h"
  #include "chrome/browser/first_run/first_run.h"
  #include "chrome/browser/geolocation/geolocation_prefs.h"
  #include "chrome/browser/google/google_url_tracker_factory.h"
  #include "chrome/browser/gpu/gl_string_manager.h"
  #include "chrome/browser/gpu/gpu_mode_manager.h"
  #include "chrome/browser/intranet_redirect_detector.h"
  #include "chrome/browser/io_thread.h"
  #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  #include "chrome/browser/media/media_device_id_salt.h"
  #include "chrome/browser/media/media_stream_devices_controller.h"
  #include "chrome/browser/metrics/chrome_metrics_service_client.h"
  #include "chrome/browser/metrics/variations/variations_service.h"
  #include "chrome/browser/net/http_server_properties_manager_factory.h"
  #include "chrome/browser/net/net_pref_observer.h"
  #include "chrome/browser/net/prediction_options.h"
  #include "chrome/browser/net/predictor.h"
  #include "chrome/browser/net/pref_proxy_config_tracker_impl.h"
  #include "chrome/browser/net/ssl_config_service_manager.h"
  #include "chrome/browser/notifications/desktop_notification_service.h"
  #include "chrome/browser/notifications/extension_welcome_notification.h"
  #include "chrome/browser/notifications/message_center_notification_manager.h"
  #include "chrome/browser/pepper_flash_settings_manager.h"
  #include "chrome/browser/plugins/plugin_finder.h"
  #include "chrome/browser/prefs/chrome_pref_service_factory.h"
  #include "chrome/browser/prefs/incognito_mode_prefs.h"
  #include "chrome/browser/prefs/pref_service_syncable.h"
  #include "chrome/browser/prefs/session_startup_pref.h"
  #include "chrome/browser/printing/print_dialog_cloud.h"
  #include "chrome/browser/profiles/chrome_version_service.h"
  #include "chrome/browser/profiles/profile.h"
  #include "chrome/browser/profiles/profile_impl.h"
  #include "chrome/browser/profiles/profile_info_cache.h"
  #include "chrome/browser/profiles/profiles_state.h"
  #include "chrome/browser/renderer_host/pepper/device_id_fetcher.h"
  #include "chrome/browser/search/search.h"
  #include "chrome/browser/services/gcm/gcm_profile_service.h"
  #include "chrome/browser/signin/signin_manager_factory.h"
  #include "chrome/browser/signin/signin_promo.h"
  #include "chrome/browser/task_manager/task_manager.h"
  #include "chrome/browser/ui/app_list/app_list_service.h"
  #include "chrome/browser/ui/browser_ui_prefs.h"
  #include "chrome/browser/ui/navigation_correction_tab_observer.h"
  #include "chrome/browser/ui/network_profile_bubble.h"
  #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
  #include "chrome/browser/ui/search_engines/keyword_editor_controller.h"
  #include "chrome/browser/ui/startup/autolaunch_prompt.h"
  #include "chrome/browser/ui/startup/default_browser_prompt.h"
  #include "chrome/browser/ui/tabs/pinned_tab_codec.h"
  #include "chrome/browser/ui/webui/flags_ui.h"
  #include "chrome/browser/ui/webui/instant_ui.h"
  #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
  #include "chrome/browser/ui/webui/plugins_ui.h"
  #include "chrome/browser/ui/webui/print_preview/sticky_settings.h"
  #include "chrome/browser/upgrade_detector.h"
  #include "chrome/browser/web_resource/promo_resource_service.h"
  #include "chrome/common/pref_names.h"
  #include "components/autofill/core/browser/autofill_manager.h"
  #include "components/bookmarks/browser/bookmark_utils.h"
  #include "components/dom_distiller/core/distilled_page_prefs.h"
  #include "components/gcm_driver/gcm_channel_status_syncer.h"
  #include "components/google/core/browser/google_pref_names.h"
  #include "components/google/core/browser/google_url_tracker.h"
  #include "components/network_time/network_time_tracker.h"
  #include "components/password_manager/core/browser/password_manager.h"
  #include "components/pref_registry/pref_registry_syncable.h"
  #include "components/rappor/rappor_service.h"
  #include "components/search_engines/template_url_prepopulate_data.h"
  #include "components/sync_driver/sync_prefs.h"
  #include "components/translate/core/browser/translate_prefs.h"
  #include "content/public/browser/render_process_host.h"
  #include "net/http/http_server_properties_manager.h"
  
  #if defined(ENABLE_AUTOFILL_DIALOG)
  #include "chrome/browser/ui/autofill/autofill_dialog_controller.h"
  #endif
  
  #if defined(ENABLE_CONFIGURATION_POLICY)
  #include "components/policy/core/browser/browser_policy_connector.h"
  #include "components/policy/core/browser/url_blacklist_manager.h"
  #include "components/policy/core/common/policy_statistics_collector.h"
  #endif
  
  #if defined(ENABLE_EXTENSIONS)
  #include "chrome/browser/extensions/activity_log/activity_log.h"
  #include "chrome/browser/extensions/api/commands/command_service.h"
  #include "chrome/browser/extensions/api/tabs/tabs_api.h"
  #include "chrome/browser/extensions/extension_web_ui.h"
  #include "chrome/browser/extensions/launch_util.h"
  #include "chrome/browser/signin/easy_unlock_service.h"
  #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
  #include "extensions/browser/extension_prefs.h"
  #endif
  
  #if defined(ENABLE_MANAGED_USERS)
  #include "chrome/browser/supervised_user/supervised_user_service.h"
  #include "chrome/browser/supervised_user/supervised_user_shared_settings_service.h"
  #include "chrome/browser/supervised_user/supervised_user_sync_service.h"
  #endif
  
  #if defined(ENABLE_SERVICE_DISCOVERY)
  #include "chrome/browser/ui/webui/local_discovery/local_discovery_ui.h"
  #endif
  
  #if defined(ENABLE_PLUGIN_INSTALLATION)
  #include "chrome/browser/plugins/plugins_resource_service.h"
  #endif
  
  #if defined(OS_ANDROID)
  #include "chrome/browser/android/bookmarks/partner_bookmarks_shim.h"
  #include "chrome/browser/android/new_tab_page_prefs.h"
  #else
  #include "chrome/browser/notifications/sync_notifier/chrome_notifier_service.h"
  #include "chrome/browser/profile_resetter/automatic_profile_resetter_factory.h"
  #include "chrome/browser/ui/autofill/generated_credit_card_bubble_controller.h"
  #endif
  
  #if defined(OS_CHROMEOS)
  #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
  #include "chrome/browser/chromeos/attestation/platform_verification_flow.h"
  #include "chrome/browser/chromeos/audio/audio_devices_pref_handler_impl.h"
  #include "chrome/browser/chromeos/customization_document.h"
  #include "chrome/browser/chromeos/display/display_preferences.h"
  #include "chrome/browser/chromeos/extensions/echo_private_api.h"
  #include "chrome/browser/chromeos/file_system_provider/service.h"
  #include "chrome/browser/chromeos/first_run/first_run.h"
  #include "chrome/browser/chromeos/login/default_pinned_apps_field_trial.h"
  #include "chrome/browser/chromeos/login/saml/saml_offline_signin_limiter.h"
  #include "chrome/browser/chromeos/login/session/user_session_manager.h"
  #include "chrome/browser/chromeos/login/startup_utils.h"
  #include "chrome/browser/chromeos/login/users/avatar/user_image_manager.h"
  #include "chrome/browser/chromeos/login/users/avatar/user_image_sync_observer.h"
  #include "chrome/browser/chromeos/login/users/chrome_user_manager_impl.h"
  #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
  #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
  #include "chrome/browser/chromeos/net/proxy_config_handler.h"
  #include "chrome/browser/chromeos/policy/auto_enrollment_client.h"
  #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  #include "chrome/browser/chromeos/policy/consumer_management_service.h"
  #include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
  #include "chrome/browser/chromeos/policy/device_status_collector.h"
  #include "chrome/browser/chromeos/policy/policy_cert_service_factory.h"
  #include "chrome/browser/chromeos/power/power_prefs.h"
  #include "chrome/browser/chromeos/preferences.h"
  #include "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
  #include "chrome/browser/chromeos/settings/device_settings_cache.h"
  #include "chrome/browser/chromeos/status/data_promo_notification.h"
  #include "chrome/browser/chromeos/system/automatic_reboot_manager.h"
  #include "chrome/browser/extensions/api/enterprise_platform_keys_private/enterprise_platform_keys_private_api.h"
  #include "chrome/browser/extensions/extension_assets_manager_chromeos.h"
  #include "chrome/browser/metrics/chromeos_metrics_provider.h"
  #include "chrome/browser/ui/webui/chromeos/charger_replacement_handler.h"
  #include "chrome/browser/ui/webui/chromeos/login/demo_mode_detector.h"
  #include "chrome/browser/ui/webui/chromeos/login/hid_detection_screen_handler.h"
  #include "chrome/browser/ui/webui/chromeos/login/reset_screen_handler.h"
  #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
  #include "components/invalidation/invalidator_storage.h"
  #else
  #include "chrome/browser/extensions/default_apps.h"
  #endif
  
  #if defined(OS_MACOSX)
  #include "chrome/browser/ui/cocoa/apps/quit_with_apps_controller_mac.h"
  #include "chrome/browser/ui/cocoa/confirm_quit.h"
  #endif
  
  #if defined(OS_WIN)
  #include "chrome/browser/apps/app_launch_for_metro_restart_win.h"
  #include "chrome/browser/component_updater/sw_reporter_installer_win.h"
  #endif
  
  #if defined(TOOLKIT_VIEWS)
  #include "chrome/browser/ui/browser_view_prefs.h"
  #endif
  
  #if defined(USE_ASH)
  #include "chrome/browser/ui/ash/chrome_launcher_prefs.h"
  #endif
  
  namespace {
  
  enum MigratedPreferences {
    NO_PREFS = 0,
    DNS_PREFS = 1 << 0,
    WINDOWS_PREFS = 1 << 1,
    GOOGLE_URL_TRACKER_PREFS = 1 << 2,
  };
  
  // A previous feature (see
  // chrome/browser/protector/protected_prefs_watcher.cc in source
  // control history) used this string as a prefix for various prefs it
  // registered. We keep it here for now to clear out those old prefs in
  // MigrateUserPrefs.
  const char kBackupPref[] = "backup";
  
  #if !defined(OS_ANDROID)
  // The sync promo error message preference has been removed; this pref will
  // be cleared from user data.
  const char kSyncPromoErrorMessage[] = "sync_promo.error_message";
  
  // The AutomaticProfileResetter service used this preference to save that the
  // profile reset prompt had already been shown, however, the preference has been
  // renamed in Local State. We keep the name here for now so that we can clear
  // out legacy values.
  // TODO(engedy): Remove this and usages in M42 or later. See crbug.com/398813.
  const char kLegacyProfileResetPromptMemento[] = "profile.reset_prompt_memento";
  #endif
  
  }  // namespace
  
  namespace chrome {
  
  void RegisterLocalState(PrefRegistrySimple* registry) {
    // Prefs in Local State.
    registry->RegisterIntegerPref(prefs::kMultipleProfilePrefMigration, 0);
  
    // Please keep this list alphabetized.
    AppListService::RegisterPrefs(registry);
    browser_shutdown::RegisterPrefs(registry);
    BrowserProcessImpl::RegisterPrefs(registry);
    ChromeMetricsServiceClient::RegisterPrefs(registry);
    chrome_prefs::RegisterPrefs(registry);
    chrome_variations::VariationsService::RegisterPrefs(registry);
    component_updater::RegisterPrefsForRecoveryComponent(registry);
    ExternalProtocolHandler::RegisterPrefs(registry);
    FlagsUI::RegisterPrefs(registry);
    geolocation::RegisterPrefs(registry);
    GLStringManager::RegisterPrefs(registry);
    GpuModeManager::RegisterPrefs(registry);
    IntranetRedirectDetector::RegisterPrefs(registry);
    IOThread::RegisterPrefs(registry);
    network_time::NetworkTimeTracker::RegisterPrefs(registry);
    PrefProxyConfigTrackerImpl::RegisterPrefs(registry);
    ProfileInfoCache::RegisterPrefs(registry);
    profiles::RegisterPrefs(registry);
    PromoResourceService::RegisterPrefs(registry);
    rappor::RapporService::RegisterPrefs(registry);
    RegisterScreenshotPrefs(registry);
    SigninManagerFactory::RegisterPrefs(registry);
    SSLConfigServiceManager::RegisterPrefs(registry);
    UpgradeDetector::RegisterPrefs(registry);
  
  #if defined(ENABLE_AUTOFILL_DIALOG)
    autofill::AutofillDialogController::RegisterPrefs(registry);
  #endif
  
  #if defined(ENABLE_CONFIGURATION_POLICY)
    policy::BrowserPolicyConnector::RegisterPrefs(registry);
    policy::PolicyStatisticsCollector::RegisterPrefs(registry);
  #endif
  
  #if defined(ENABLE_EXTENSIONS)
    EasyUnlockService::RegisterPrefs(registry);
  #endif
  
  #if defined(ENABLE_NOTIFICATIONS) && !defined(OS_ANDROID)
    // Android does not use the message center for notifications.
    MessageCenterNotificationManager::RegisterPrefs(registry);
  #endif
  
  #if defined(ENABLE_PLUGINS)
    PluginFinder::RegisterPrefs(registry);
  #endif
  
  #if defined(ENABLE_PLUGIN_INSTALLATION)
    PluginsResourceService::RegisterPrefs(registry);
  #endif
  
  #if defined(ENABLE_TASK_MANAGER)
    TaskManager::RegisterPrefs(registry);
  #endif  // defined(ENABLE_TASK_MANAGER)
  
  #if !defined(OS_ANDROID)
    AutomaticProfileResetterFactory::RegisterPrefs(registry);
    BackgroundModeManager::RegisterPrefs(registry);
    RegisterBrowserPrefs(registry);
    // The native GCM is used on Android instead.
    gcm::GCMChannelStatusSyncer::RegisterPrefs(registry);
  #if !defined(OS_CHROMEOS)
    RegisterDefaultBrowserPromptPrefs(registry);
  #endif  // !defined(OS_CHROMEOS)
  #endif  // !defined(OS_ANDROID)
  
  #if defined(OS_CHROMEOS)
    ChromeOSMetricsProvider::RegisterPrefs(registry);
    chromeos::AudioDevicesPrefHandlerImpl::RegisterPrefs(registry);
    chromeos::ChargerReplacementHandler::RegisterPrefs(registry);
    chromeos::ChromeUserManagerImpl::RegisterPrefs(registry);
    chromeos::DataPromoNotification::RegisterPrefs(registry);
    chromeos::DeviceOAuth2TokenService::RegisterPrefs(registry);
    chromeos::device_settings_cache::RegisterPrefs(registry);
    chromeos::default_pinned_apps_field_trial::RegisterPrefs(registry);
    chromeos::language_prefs::RegisterPrefs(registry);
    chromeos::KioskAppManager::RegisterPrefs(registry);
    chromeos::MultiProfileUserController::RegisterPrefs(registry);
    chromeos::HIDDetectionScreenHandler::RegisterPrefs(registry);
    chromeos::DemoModeDetector::RegisterPrefs(registry);
    chromeos::Preferences::RegisterPrefs(registry);
    chromeos::proxy_config::RegisterPrefs(registry);
    chromeos::RegisterDisplayLocalStatePrefs(registry);
    chromeos::ResetScreenHandler::RegisterPrefs(registry);
    chromeos::ServicesCustomizationDocument::RegisterPrefs(registry);
    chromeos::SigninScreenHandler::RegisterPrefs(registry);
    chromeos::StartupUtils::RegisterPrefs(registry);
    chromeos::system::AutomaticRebootManager::RegisterPrefs(registry);
    chromeos::UserImageManager::RegisterPrefs(registry);
    chromeos::UserSessionManager::RegisterPrefs(registry);
    chromeos::WallpaperManager::RegisterPrefs(registry);
    chromeos::echo_offer::RegisterPrefs(registry);
    extensions::ExtensionAssetsManagerChromeOS::RegisterPrefs(registry);
    invalidation::InvalidatorStorage::RegisterPrefs(registry);
    policy::AutoEnrollmentClient::RegisterPrefs(registry);
    policy::BrowserPolicyConnectorChromeOS::RegisterPrefs(registry);
    policy::ConsumerManagementService::RegisterPrefs(registry);
    policy::DeviceCloudPolicyManagerChromeOS::RegisterPrefs(registry);
    policy::DeviceStatusCollector::RegisterPrefs(registry);
    policy::PolicyCertServiceFactory::RegisterPrefs(registry);
  #endif
  
  #if defined(OS_MACOSX)
    confirm_quit::RegisterLocalState(registry);
    QuitWithAppsController::RegisterPrefs(registry);
  #endif
  
  #if defined(OS_WIN)
    app_metro_launch::RegisterPrefs(registry);
    component_updater::RegisterPrefsForSwReporter(registry);
    password_manager::PasswordManager::RegisterLocalPrefs(registry);
  #endif
  
  #if defined(TOOLKIT_VIEWS)
    RegisterBrowserViewLocalPrefs(registry);
  #endif
  
    // Preferences registered only for migration (clearing or moving to a new key)
    // go here.
  #if !defined(OS_ANDROID)
    registry->RegisterDictionaryPref(kLegacyProfileResetPromptMemento);
  #endif  // !defined(OS_ANDROID)
  }
  
  // Register prefs applicable to all profiles.
  void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
    TRACE_EVENT0("browser", "chrome::RegisterUserPrefs");
    // User prefs. Please keep this list alphabetized.
    autofill::AutofillManager::RegisterProfilePrefs(registry);
    bookmarks::RegisterProfilePrefs(registry);
    sync_driver::SyncPrefs::RegisterProfilePrefs(registry);
    ChromeContentBrowserClient::RegisterProfilePrefs(registry);
    ChromeVersionService::RegisterProfilePrefs(registry);
    chrome_browser_net::HttpServerPropertiesManagerFactory::RegisterProfilePrefs(
        registry);
    chrome_browser_net::Predictor::RegisterProfilePrefs(registry);
    chrome_browser_net::RegisterPredictionOptionsProfilePrefs(registry);
    chrome_prefs::RegisterProfilePrefs(registry);
    dom_distiller::DistilledPagePrefs::RegisterProfilePrefs(registry);
    DownloadPrefs::RegisterProfilePrefs(registry);
    gcm::GCMProfileService::RegisterProfilePrefs(registry);
    HostContentSettingsMap::RegisterProfilePrefs(registry);
    IncognitoModePrefs::RegisterProfilePrefs(registry);
    InstantUI::RegisterProfilePrefs(registry);
    NavigationCorrectionTabObserver::RegisterProfilePrefs(registry);
    MediaCaptureDevicesDispatcher::RegisterProfilePrefs(registry);
    MediaDeviceIDSalt::RegisterProfilePrefs(registry);
    MediaStreamDevicesController::RegisterProfilePrefs(registry);
    NetPrefObserver::RegisterProfilePrefs(registry);
    password_manager::PasswordManager::RegisterProfilePrefs(registry);
    PrefProxyConfigTrackerImpl::RegisterProfilePrefs(registry);
    PrefsTabHelper::RegisterProfilePrefs(registry);
    Profile::RegisterProfilePrefs(registry);
    ProfileImpl::RegisterProfilePrefs(registry);
    PromoResourceService::RegisterProfilePrefs(registry);
    ProtocolHandlerRegistry::RegisterProfilePrefs(registry);
    RegisterBrowserUserPrefs(registry);
    SessionStartupPref::RegisterProfilePrefs(registry);
    TemplateURLPrepopulateData::RegisterProfilePrefs(registry);
    translate::TranslatePrefs::RegisterProfilePrefs(registry);
    ZeroSuggestProvider::RegisterProfilePrefs(registry);
  
  #if defined(ENABLE_AUTOFILL_DIALOG)
    autofill::AutofillDialogController::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_CONFIGURATION_POLICY)
    policy::URLBlacklistManager::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_EXTENSIONS)
    EasyUnlockService::RegisterProfilePrefs(registry);
    extensions::ActivityLog::RegisterProfilePrefs(registry);
    extensions::launch_util::RegisterProfilePrefs(registry);
    ExtensionWebUI::RegisterProfilePrefs(registry);
    extensions::ExtensionPrefs::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_FULL_PRINTING)
    print_dialog_cloud::RegisterProfilePrefs(registry);
    printing::StickySettings::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_MANAGED_USERS)
    SupervisedUserService::RegisterProfilePrefs(registry);
    SupervisedUserSharedSettingsService::RegisterProfilePrefs(registry);
    SupervisedUserSyncService::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_NOTIFICATIONS)
    DesktopNotificationService::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_NOTIFICATIONS) && defined(ENABLE_EXTENSIONS) && \
      !defined(OS_ANDROID)
    // The extension welcome notification requires a build that enables extensions
    // and notifications, and uses the UI message center.
    ExtensionWelcomeNotification::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(ENABLE_SERVICE_DISCOVERY)
    LocalDiscoveryUI::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(OS_ANDROID)
    chrome_variations::VariationsService::RegisterProfilePrefs(registry);
    NewTabPagePrefs::RegisterProfilePrefs(registry);
    PartnerBookmarksShim::RegisterProfilePrefs(registry);
  #else
    AppShortcutManager::RegisterProfilePrefs(registry);
    autofill::GeneratedCreditCardBubbleController::RegisterUserPrefs(registry);
    DeviceIDFetcher::RegisterProfilePrefs(registry);
    DevToolsWindow::RegisterProfilePrefs(registry);
    DriveAppMapping::RegisterProfilePrefs(registry);
    extensions::CommandService::RegisterProfilePrefs(registry);
    extensions::ExtensionSettingsHandler::RegisterProfilePrefs(registry);
  #if !defined(USE_ATHENA)
    extensions::TabsCaptureVisibleTabFunction::RegisterProfilePrefs(registry);
  #endif
    first_run::RegisterProfilePrefs(registry);
    gcm::GCMChannelStatusSyncer::RegisterProfilePrefs(registry);
    NewTabUI::RegisterProfilePrefs(registry);
    PepperFlashSettingsManager::RegisterProfilePrefs(registry);
    PinnedTabCodec::RegisterProfilePrefs(registry);
    PluginsUI::RegisterProfilePrefs(registry);
    RegisterAutolaunchUserPrefs(registry);
    signin::RegisterProfilePrefs(registry);
  #endif
  
  #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
    default_apps::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(OS_CHROMEOS)
    chromeos::attestation::PlatformVerificationFlow::RegisterProfilePrefs(
        registry);
    chromeos::first_run::RegisterProfilePrefs(registry);
    chromeos::file_system_provider::RegisterProfilePrefs(registry);
    chromeos::MultiProfileUserController::RegisterProfilePrefs(registry);
    chromeos::Preferences::RegisterProfilePrefs(registry);
    chromeos::proxy_config::RegisterProfilePrefs(registry);
    chromeos::SAMLOfflineSigninLimiter::RegisterProfilePrefs(registry);
    chromeos::ServicesCustomizationDocument::RegisterProfilePrefs(registry);
    chromeos::UserImageSyncObserver::RegisterProfilePrefs(registry);
    extensions::EnterprisePlatformKeysPrivateChallengeUserKeyFunction::
        RegisterProfilePrefs(registry);
    FlagsUI::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(OS_WIN)
    component_updater::RegisterProfilePrefsForSwReporter(registry);
    NetworkProfileBubble::RegisterProfilePrefs(registry);
  #endif
  
  #if defined(TOOLKIT_VIEWS)
    RegisterBrowserViewProfilePrefs(registry);
    RegisterInvertBubbleUserPrefs(registry);
  #endif
  
  #if defined(USE_ASH)
    ash::RegisterChromeLauncherUserPrefs(registry);
  #endif
  
    // Preferences registered only for migration (clearing or moving to a new key)
    // go here.
    registry->RegisterDictionaryPref(
        kBackupPref,
        new base::DictionaryValue(),
        user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  #if !defined(OS_ANDROID)
    registry->RegisterStringPref(
        kSyncPromoErrorMessage,
        std::string(),
        user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  #endif
  }
  
  void RegisterUserProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
    RegisterProfilePrefs(registry);
  
  #if defined(OS_CHROMEOS)
    chromeos::PowerPrefs::RegisterUserProfilePrefs(registry);
  #endif
  }
  
  void RegisterScreenshotPrefs(PrefRegistrySimple* registry) {
    registry->RegisterBooleanPref(prefs::kDisableScreenshots, false);
  }
  
  #if defined(OS_CHROMEOS)
  void RegisterLoginProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
    RegisterProfilePrefs(registry);
  
    chromeos::PowerPrefs::RegisterLoginProfilePrefs(registry);
  }
  #endif
  
  void MigrateUserPrefs(Profile* profile) {
    PrefService* prefs = profile->GetPrefs();
  
    // Cleanup prefs from now-removed protector feature.
    prefs->ClearPref(kBackupPref);
  
  #if !defined(OS_ANDROID)
    // Cleanup now-removed sync promo error message preference.
    // TODO(fdoray): Remove this when it's safe to do so (crbug.com/268442).
    prefs->ClearPref(kSyncPromoErrorMessage);
    // Migrate kNetworkPredictionEnabled to kNetworkPredictionOptions when not on
    // Android.  On Android, platform-specific code performs preference migration.
    // TODO(bnc): https://crbug.com/401970  Remove migration code one year after
    // M38.
    chrome_browser_net::MigrateNetworkPredictionUserPrefs(prefs);
  #endif
  
    PromoResourceService::MigrateUserPrefs(prefs);
    translate::TranslatePrefs::MigrateUserPrefs(prefs, prefs::kAcceptLanguages);
  
  #if defined(OS_MACOSX) && !defined(OS_IOS)
    autofill::AutofillManager::MigrateUserPrefs(prefs);
  #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
  }
  
  void MigrateBrowserPrefs(Profile* profile, PrefService* local_state) {
    // Copy pref values which have been migrated to user_prefs from local_state,
    // or remove them from local_state outright, if copying is not required.
    int current_version =
        local_state->GetInteger(prefs::kMultipleProfilePrefMigration);
    PrefRegistrySimple* registry = static_cast<PrefRegistrySimple*>(
        local_state->DeprecatedGetPrefRegistry());
  
    if (!(current_version & DNS_PREFS)) {
      registry->RegisterListPref(prefs::kDnsStartupPrefetchList);
      local_state->ClearPref(prefs::kDnsStartupPrefetchList);
  
      registry->RegisterListPref(prefs::kDnsHostReferralList);
      local_state->ClearPref(prefs::kDnsHostReferralList);
  
      current_version |= DNS_PREFS;
      local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                              current_version);
    }
  
    PrefService* user_prefs = profile->GetPrefs();
    if (!(current_version & WINDOWS_PREFS)) {
      registry->RegisterDictionaryPref(prefs::kBrowserWindowPlacement);
      if (local_state->HasPrefPath(prefs::kBrowserWindowPlacement)) {
        const PrefService::Preference* pref =
            local_state->FindPreference(prefs::kBrowserWindowPlacement);
        DCHECK(pref);
        user_prefs->Set(prefs::kBrowserWindowPlacement,
                        *(pref->GetValue()));
      }
      local_state->ClearPref(prefs::kBrowserWindowPlacement);
  
      current_version |= WINDOWS_PREFS;
      local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                              current_version);
    }
  
    if (!(current_version & GOOGLE_URL_TRACKER_PREFS)) {
      registry->RegisterStringPref(prefs::kLastKnownGoogleURL,
                                   GoogleURLTracker::kDefaultGoogleHomepage);
      if (local_state->HasPrefPath(prefs::kLastKnownGoogleURL)) {
        user_prefs->SetString(prefs::kLastKnownGoogleURL,
                              local_state->GetString(prefs::kLastKnownGoogleURL));
      }
      local_state->ClearPref(prefs::kLastKnownGoogleURL);
  
      registry->RegisterStringPref(prefs::kLastPromptedGoogleURL,
                                   std::string());
      if (local_state->HasPrefPath(prefs::kLastPromptedGoogleURL)) {
        user_prefs->SetString(
            prefs::kLastPromptedGoogleURL,
            local_state->GetString(prefs::kLastPromptedGoogleURL));
      }
      local_state->ClearPref(prefs::kLastPromptedGoogleURL);
  
      current_version |= GOOGLE_URL_TRACKER_PREFS;
      local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                              current_version);
    }
  
  #if !defined(OS_ANDROID)
    local_state->ClearPref(kLegacyProfileResetPromptMemento);
  #endif
  
  #if defined(OS_CHROMEOS)
    chromeos::default_pinned_apps_field_trial::MigratePrefs(local_state);
  #endif
  
  #if defined(TOOLKIT_VIEWS)
    MigrateBrowserTabStripPrefs(local_state);
  #endif
  }
  
  }  // namespace chrome
  