// Copyright 2015 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #import "ios/chrome/browser/shared/model/prefs/browser_prefs.h" #import #import "base/apple/foundation_util.h" #import "base/json/values_util.h" #import "base/strings/sys_string_conversions.h" #import "base/threading/thread_restrictions.h" #import "base/time/time.h" #import "base/values.h" #import "components/autofill/core/common/autofill_prefs.h" #import "components/breadcrumbs/core/breadcrumbs_status.h" #import "components/browsing_data/core/pref_names.h" #import "components/collaboration/public/pref_names.h" #import "components/commerce/core/pref_names.h" #import "components/commerce/core/prefs.h" #import "components/component_updater/component_updater_service.h" #import "components/content_settings/core/browser/host_content_settings_map.h" #import "components/contextual_search/contextual_search_service.h" #import "components/dom_distiller/core/distilled_page_prefs.h" #import "components/enterprise/browser/groups/groups_prefs.h" #import "components/enterprise/browser/identifiers/identifiers_prefs.h" #import "components/enterprise/browser/reporting/common_pref_names.h" #import "components/enterprise/client_certificates/core/prefs.h" #import "components/enterprise/connectors/core/connectors_prefs.h" #import "components/enterprise/data_controls/core/browser/prefs.h" #import "components/enterprise/idle/idle_pref_names.h" #import "components/enterprise/isolated_mode/prefs.h" #import "components/enterprise/net/core/prefs.h" #import "components/feature_engagement/public/pref_names.h" #import "components/feed/core/v2/public/ios/pref_names.h" #import "components/handoff/handoff_manager.h" #import "components/history/core/common/pref_names.h" #import "components/image_fetcher/core/cache/image_cache.h" #import "components/invalidation/impl/per_user_topic_subscription_manager.h" #import "components/language/core/browser/language_prefs.h" #import "components/language/core/browser/pref_names.h" #import "components/lens/lens_overlay_permission_utils.h" #import "components/metrics/demographics/user_demographics.h" #import "components/metrics/metrics_pref_names.h" #import "components/metrics/metrics_reporting_choice_service.h" #import "components/network_time/network_time_tracker.h" #import "components/ntp_tiles/custom_links_manager_impl.h" #import "components/ntp_tiles/most_visited_sites.h" #import "components/ntp_tiles/popular_sites_impl.h" #import "components/ntp_tiles/pref_names.h" #import "components/omnibox/browser/aim_eligibility_service.h" #import "components/omnibox/browser/omnibox_pref_names.h" #import "components/omnibox/browser/omnibox_prefs.h" #import "components/omnibox/browser/zero_suggest_provider.h" #import "components/optimization_guide/core/feature_registry/feature_registration.h" #import "components/optimization_guide/core/model_execution/model_execution_prefs.h" #import "components/optimization_guide/core/optimization_guide_prefs.h" #import "components/password_manager/core/browser/password_manager.h" #import "components/password_manager/core/common/password_manager_pref_names.h" #import "components/payments/core/payment_prefs.h" #import "components/personal_context/core/personal_context_prefs.h" #import "components/policy/core/browser/browser_policy_connector.h" #import "components/policy/core/browser/url_list/url_blocklist_manager.h" #import "components/policy/core/browser/url_list/url_list_policy_pref_names.h" #import "components/policy/core/common/local_test_policy_provider.h" #import "components/policy/core/common/policy_pref_names.h" #import "components/policy/core/common/policy_statistics_collector.h" #import "components/pref_registry/pref_registry_syncable.h" #import "components/prefs/pref_service.h" #import "components/proxy_config/pref_proxy_config_tracker_impl.h" #import "components/regional_capabilities/regional_capabilities_prefs.h" #import "components/safe_browsing/core/common/safe_browsing_prefs.h" #import "components/safety_check/safety_check_pref_names.h" #import "components/safety_check/safety_check_prefs.h" #import "components/saved_tab_groups/public/pref_names.h" #import "components/search_engines/template_url_prepopulate_data.h" #import "components/segmentation_platform/embedder/default_model/device_switcher_result_dispatcher.h" #import "components/segmentation_platform/embedder/home_modules/home_modules_card_registry.h" #import "components/segmentation_platform/embedder/home_modules/tips_manager/tips_manager.h" #import "components/segmentation_platform/public/segmentation_platform_service.h" #import "components/send_tab_to_self/pref_names.h" #import "components/sessions/core/session_id_generator.h" #import "components/sharing_message/sharing_sync_preference.h" #import "components/signin/core/browser/active_primary_accounts_metrics_recorder.h" #import "components/signin/public/base/signin_pref_names.h" #import "components/signin/public/base/signin_prefs.h" #import "components/signin/public/identity_manager/identity_manager.h" #import "components/strings/grit/components_locale_settings.h" #import "components/subscription_eligibility/subscription_eligibility_prefs.h" #import "components/supervised_user/core/browser/supervised_user_metrics_service.h" #import "components/supervised_user/core/browser/supervised_user_preferences.h" #import "components/sync/base/account_pref_utils.h" #import "components/sync/service/device_statistics_scheduler.h" #import "components/sync/service/glue/sync_transport_data_prefs.h" #import "components/sync/service/sync_prefs.h" #import "components/sync_device_info/device_info_prefs.h" #import "components/sync_preferences/cross_device_pref_tracker/prefs/cross_device_pref_registry.h" #import "components/sync_sessions/session_sync_prefs.h" #import "components/themes/pref_names.h" #import "components/translate/core/browser/translate_pref_names.h" #import "components/translate/core/browser/translate_prefs.h" #import "components/unified_consent/unified_consent_service.h" #import "components/universal_optout/prefs.h" #import "components/update_client/update_client.h" #import "components/variations/service/variations_service.h" #import "components/web_resource/web_resource_pref_names.h" #import "components/webui/chrome_urls/pref_names.h" #import "components/webui/flags/pref_service_flags_storage.h" #import "ios/chrome/app/spotlight/spotlight_util.h" #import "ios/chrome/app/variations_app_state_agent.h" #import "ios/chrome/browser/authentication/history_sync/model/history_sync_utils.h" #import "ios/chrome/browser/authentication/ui_bundled/signin/signin_coordinator.h" #import "ios/chrome/browser/authentication/ui_bundled/signin_promo_view_mediator.h" #import "ios/chrome/browser/bookmarks/ui_bundled/bookmark_mediator.h" #import "ios/chrome/browser/bookmarks/ui_bundled/bookmark_path_cache.h" #import "ios/chrome/browser/bookmarks/ui_bundled/home/bookmarks_home_mediator.h" #import "ios/chrome/browser/content_suggestions/coordinator/content_suggestions_mediator.h" #import "ios/chrome/browser/content_suggestions/price_tracking_promo/model/price_tracking_promo_prefs.h" #import "ios/chrome/browser/content_suggestions/shop_card/model/shop_card_prefs.h" #import "ios/chrome/browser/cross_platform_promos/model/cross_platform_promos_service.h" #import "ios/chrome/browser/download/model/auto_deletion/auto_deletion_service.h" #import "ios/chrome/browser/drive/model/drive_policy.h" #import "ios/chrome/browser/enterprise/data_protection/public/pref_names.h" #import "ios/chrome/browser/first_run/model/first_run.h" #import "ios/chrome/browser/incognito_reauth/ui_bundled/incognito_reauth_scene_agent.h" #import "ios/chrome/browser/level_up/model/level_up_service.h" #import "ios/chrome/browser/memory/model/memory_debugger_manager.h" #import "ios/chrome/browser/metrics/model/constants.h" #import "ios/chrome/browser/metrics/model/ios_chrome_metrics_service_client.h" #import "ios/chrome/browser/ntp/model/set_up_list_prefs.h" #import "ios/chrome/browser/ntp/shared/metrics/feed_metrics_constants.h" #import "ios/chrome/browser/ntp_tiles/model/tab_resumption/tab_resumption_prefs.h" #import "ios/chrome/browser/photos/model/photos_policy.h" #import "ios/chrome/browser/policy/model/policy_util.h" #import "ios/chrome/browser/prerender/model/prerender_pref.h" #import "ios/chrome/browser/push_notification/model/push_notification_prefs.h" #import "ios/chrome/browser/push_notification/model/push_notification_service.h" #import "ios/chrome/browser/reader_mode/model/constants.h" #import "ios/chrome/browser/safety_check/model/ios_chrome_safety_check_manager_constants.h" #import "ios/chrome/browser/shared/model/application_context/application_context.h" #import "ios/chrome/browser/shared/model/prefs/pref_names.h" #import "ios/chrome/browser/shared/model/profile/profile_attributes_storage_ios.h" #import "ios/chrome/browser/shared/public/features/features.h" #import "ios/chrome/browser/tips_notifications/model/tips_notification_client.h" #import "ios/chrome/browser/upgrade/model/upgrade_constants.h" #import "ios/chrome/browser/voice/model/voice_search_prefs_registration.h" #import "ios/chrome/browser/web/model/font_size/font_size_tab_helper.h" #import "ios/chrome/browser/welcome_back/model/welcome_back_prefs.h" #import "ios/chrome/common/app_group/app_group_constants.h" #import "ios/components/cookie_util/cookie_constants.h" #import "ios/web/common/features.h" #import "ui/base/l10n/l10n_util.h" #if !BUILDFLAG(IS_IOS_MACCATALYST) #import "ios/chrome/browser/default_browser/default_status/model/default_status_helper_prefs.h" #endif // !BUILDFLAG(IS_IOS_MACCATALYST) namespace { // Deprecated 10/2025 inline constexpr char kSessionStorageFormatPref[] = "ios.session.storage.format"; inline constexpr char kSessionStorageMigrationStatusPref[] = "ios.session.storage.migration-status"; inline constexpr char kSessionStorageMigrationStartedTimePref[] = "ios.session.storage.migration-start-time"; inline constexpr char kTipsInMagicStackDisabledPref[] = "tips_magic_stack.disabled"; inline constexpr char kHomeCustomizationMagicStackSetUpListEnabled[] = "ios.home_customization.magic_stack.set_up_list.enabled"; // Preference that represents the sorting order of the Following feed content. inline constexpr char kNTPFollowingFeedSortType[] = "ios.ntp.following_feed.sort_type"; // Number of times the First Follow UI has been shown. inline constexpr char kFirstFollowUIShownCount[] = "follow.first_follow_ui_modal_count"; // Number of times the First Follow UI has been shown with Follow UI Update // enabled. inline constexpr char kFirstFollowUpdateUIShownCount[] = "follow.first_follow_update_ui_modal_count"; inline constexpr char kLongFollowingFeedVisitTimeAggregateKey[] = "LongFollowingFeedInteractionTimeDelta"; inline constexpr char kLastInteractionTimeForFollowingGoodVisits[] = "LastInteractionTimeForGoodVisitsFollowing"; inline constexpr char kLastInteractionTimeForGoodVisits[] = "LastInteractionTimeForGoodVisits"; inline constexpr char kLongFeedVisitTimeAggregateKey[] = "LongFeedInteractionTimeDelta"; inline constexpr char kLastUsedFeedForGoodVisitsKey[] = "LastUsedFeedForGoodVisits"; inline constexpr char kLegacySyncSessionsGUID[] = "sync.session_sync_guid"; // Deprecated 12/2025. inline constexpr char kAutofillStatesDataDir[] = "autofill.states_data_dir"; // Deprecated 12/2025. inline constexpr char kFingerprintingProtectionEnabled[] = "tracking_protection.fingerprinting_protection_enabled"; // Deprecated 01/2026. inline constexpr char kMagicStackSafetyCheckNotificationsShown[] = "ios.home_customization.magic_stack.safety_check.notifications_shown"; inline constexpr char kBottomOmniboxByDefault[] = "ios.bottom_omnibox_by_default"; // Deprecated 02/2026. inline constexpr char kIosParcelTrackingPolicyEnabled[] = "ios.parcel_tracking.policy_enabled"; // Deprecated 04/2026. constexpr char kDeprecatedGoogleServicesLastSyncingGaiaId[] = "google.services.last_gaia_id"; constexpr char kDeprecatedGoogleServicesLastSyncingUsername[] = "google.services.last_username"; // Deprecated 04/2026. inline constexpr char kPreallocatedAddressesVersion[] = "plus_addresses.preallocation.version"; inline constexpr char kPreallocatedAddresses[] = "plus_addresses.preallocation.addresses"; inline constexpr char kPreallocatedAddressesNext[] = "plus_addresses.preallocation.next"; inline constexpr char kFirstPlusAddressCreationTime[] = "plus_addresses.creation.first.time"; inline constexpr char kLastPlusAddressFillingTime[] = "plus_addresses.last.filling.time"; // Deprecated 05/2026. inline constexpr char kNextSSORecallTime[] = "ios.next_sso_recall_time"; // Deprecated 07/2026. inline constexpr char kObsoleteMetricsReportingLevel[] = "user_experience_metrics.reporting_level"; inline constexpr char kObsoleteManagementPlatformLastLogTime[] = "management.platform.last_log_time"; inline constexpr char kObsoleteManagementProfileLastLogTime[] = "management.profile.last_log_time"; // Deprecated 07/2026. constexpr char kMetricsReportingMigrationDone[] = "user_experience_metrics.consent_migration_done"; constexpr char kMetricsConsentRestructureFeatureState[] = "user_experience_metrics.consent_restructure_feature_state"; // Renames a boolean pref within a PrefService. void RenameBooleanPref(std::string_view target_pref_name, std::string_view source_pref_name, PrefService* pref_service) { const PrefService::Preference* target_pref = pref_service->FindPreference(target_pref_name); CHECK(target_pref); const PrefService::Preference* source_pref = pref_service->FindPreference(source_pref_name); CHECK(source_pref); // Only migrate the pref if 1. it is not set in target, // 2. it is not the default in source. if (target_pref->IsDefaultValue() && !source_pref->IsDefaultValue()) { pref_service->SetBoolean(target_pref_name, pref_service->GetBoolean(source_pref_name)); } // In all cases, clear the pref from source. pref_service->ClearPref(source_pref_name); } } // namespace void RegisterLocalStatePrefs(PrefRegistrySimple* registry) { autofill::prefs::RegisterLocalStatePrefs(registry); breadcrumbs::RegisterPrefs(registry); ProfileAttributesStorageIOS::RegisterPrefs(registry); chrome_urls::RegisterPrefs(registry); client_certificates::RegisterLocalStatePrefs(registry); enterprise_groups::RegisterLocalStatePrefs(registry); flags_ui::PrefServiceFlagsStorage::RegisterPrefs(registry); signin::IdentityManager::RegisterLocalStatePrefs(registry); IOSChromeMetricsServiceClient::RegisterPrefs(registry); metrics::RegisterDemographicsLocalStatePrefs(registry); network_time::NetworkTimeTracker::RegisterPrefs(registry); omnibox::RegisterLocalStatePrefs(registry); policy::BrowserPolicyConnector::RegisterPrefs(registry); policy::LocalTestPolicyProvider::RegisterLocalStatePrefs(registry); policy::PolicyStatisticsCollector::RegisterPrefs(registry); PrefProxyConfigTrackerImpl::RegisterPrefs(registry); segmentation_platform::TipsManager::RegisterLocalPrefs(registry); segmentation_platform::home_modules::HomeModulesCardRegistry:: RegisterLocalStatePrefs(registry); sessions::SessionIdGenerator::RegisterPrefs(registry); set_up_list_prefs::RegisterPrefs(registry); signin::ActivePrimaryAccountsMetricsRecorder::RegisterLocalStatePrefs( registry); update_client::RegisterPrefs(registry); variations::VariationsService::RegisterPrefs(registry); component_updater::RegisterComponentUpdateServicePrefs(registry); segmentation_platform::SegmentationPlatformService::RegisterLocalStatePrefs( registry); optimization_guide::prefs::RegisterLocalStatePrefs(registry); optimization_guide::model_execution::prefs::RegisterLocalStatePrefs(registry); PushNotificationService::RegisterLocalStatePrefs(registry); TipsNotificationClient::RegisterLocalStatePrefs(registry); auto_deletion::AutoDeletionService::RegisterLocalStatePrefs(registry); push_notification_prefs::RegisterLocalStatePrefs(registry); RegisterWelcomeBackLocalStatePrefs(registry); feature_engagement::RegisterLocalStatePrefs(registry); #if !BUILDFLAG(IS_IOS_MACCATALYST) default_status::RegisterDefaultStatusPrefs(registry); #endif // !BUILDFLAG(IS_IOS_MACCATALYST) // Preferences related to the profile manager. registry->RegisterStringPref(prefs::kLastUsedProfile, std::string()); registry->RegisterBooleanPref(prefs::kLegacyProfileHidden, false); registry->RegisterDictionaryPref(prefs::kLegacyProfileMap); registry->RegisterDictionaryPref(prefs::kSceneSessionIdentifierMap); registry->RegisterStringPref(prefs::kLastConnectedSceneIdentifier, ""); [MemoryDebuggerManager registerLocalState:registry]; [IncognitoReauthSceneAgent registerLocalState:registry]; [VariationsAppStateAgent registerLocalState:registry]; // Preferences related to the application context. registry->RegisterStringPref(language::prefs::kApplicationLocale, std::string()); registry->RegisterBooleanPref(prefs::kEulaAccepted, false); registry->RegisterBooleanPref(metrics::prefs::kMetricsReportingEnabled, false); registry->RegisterTimePref(prefs::kAgeMismatchSignoutTimestamp, base::Time()); registry->RegisterBooleanPref(enterprise_reporting::kCloudReportingEnabled, false); registry->RegisterTimePref(enterprise_reporting::kLastUploadTimestamp, base::Time()); registry->RegisterTimePref( enterprise_reporting::kLastUploadSucceededTimestamp, base::Time()); registry->RegisterTimeDeltaPref( enterprise_reporting::kCloudReportingUploadFrequency, base::Hours(24)); registry->RegisterDictionaryPref(prefs::kOverflowMenuDestinationUsageHistory, PrefRegistry::LOSSY_PREF); registry->RegisterTimePref(enterprise_idle::prefs::kLastActiveTimestamp, base::Time(), PrefRegistry::LOSSY_PREF); registry->RegisterListPref(prefs::kOverflowMenuNewDestinations, PrefRegistry::LOSSY_PREF); registry->RegisterListPref(prefs::kOverflowMenuDestinationsOrder); registry->RegisterListPref(prefs::kOverflowMenuHiddenDestinations); registry->RegisterDictionaryPref(prefs::kOverflowMenuDestinationBadgeData); registry->RegisterDictionaryPref(prefs::kOverflowMenuActionsOrder); registry->RegisterBooleanPref( prefs::kOverflowMenuDestinationUsageHistoryEnabled, true); // Preferences related to Enterprise policies. registry->RegisterListPref(prefs::kRestrictAccountsToPatterns); registry->RegisterIntegerPref(prefs::kBrowserSigninPolicy, static_cast(BrowserSigninMode::kEnabled)); registry->RegisterBooleanPref(prefs::kSigninAllowedOnDevice, true); registry->RegisterBooleanPref(prefs::kAppStoreRatingPolicyEnabled, true); registry->RegisterBooleanPref(kIosParcelTrackingPolicyEnabled, false); registry->RegisterBooleanPref(prefs::kLensCameraAssistedSearchPolicyAllowed, true); // Registers prefs to count the remaining number of times autofill branding // animation should perform. Defaults to 2, which is the maximum number of // times a user should see autofill branding animation after installation. registry->RegisterIntegerPref( prefs::kAutofillBrandingIconAnimationRemainingCount, 2); // Register other autofill branding prefs. registry->RegisterIntegerPref(prefs::kAutofillBrandingIconDisplayCount, 0); registry->RegisterIntegerPref( prefs::kIosCredentialProviderPromoLastActionTaken, -1); registry->RegisterTimePref(prefs::kIosCredentialProviderPromoDisplayTime, base::Time()); registry->RegisterBooleanPref(prefs::kIosCredentialProviderPromoStopPromo, false); registry->RegisterIntegerPref(prefs::kIosCredentialProviderPromoSource, 0); registry->RegisterBooleanPref(prefs::kIosCredentialProviderPromoPolicyEnabled, true); registry->RegisterTimePref(prefs::kIosSuccessfulLoginWithExistingPassword, base::Time()); registry->RegisterTimePref(prefs::kIosDefaultBrowserBlueDotPromoFirstDisplay, base::Time()); registry->RegisterIntegerPref(prefs::kIosDefaultBrowserPromoLastAction, -1); // Preferences related to the new Safety Check Manager. registry->RegisterStringPref( prefs::kIosSafetyCheckManagerUpdateCheckResult, NameForSafetyCheckState(UpdateChromeSafetyCheckState::kDefault), PrefRegistry::LOSSY_PREF); registry->RegisterStringPref( prefs::kIosSafetyCheckManagerSafeBrowsingCheckResult, NameForSafetyCheckState(SafeBrowsingSafetyCheckState::kDefault), PrefRegistry::LOSSY_PREF); registry->RegisterTimePref(prefs::kIosSafetyCheckManagerLastRunTime, base::Time(), PrefRegistry::LOSSY_PREF); // TODO(crbug.com/40930653): Remove this Pref when Settings Safety Check is // refactored to use the new Safety Check Manager. registry->RegisterTimePref(prefs::kIosSettingsSafetyCheckLastRunTime, base::Time()); registry->RegisterStringPref(kIOSChromeNextVersionKey, std::string()); registry->RegisterStringPref(kIOSChromeUpgradeURLKey, std::string()); registry->RegisterTimePref(kLastInfobarDisplayTimeKey, base::Time()); // Preferences related to the Docking Promo feature (used only if // `kIOSDockingPromoForEligibleUsersOnly` is enabled). registry->RegisterBooleanPref(prefs::kIosDockingPromoEligibilityMet, false); registry->RegisterTimePref(prefs::kLensLastOpened, base::Time()); // Register pref used to determine if OS Lockdown Mode is enabled. registry->RegisterBooleanPref(prefs::kOSLockdownModeEnabled, false); // Register pref used to determine if Browser Lockdown Mode is enabled. registry->RegisterBooleanPref(prefs::kBrowserLockdownModeEnabled, false); registry->RegisterTimePref( prefs::kIosSafetyCheckNotificationFirstPresentTimestamp, base::Time()); // Preferences related to the Safety Check Notifications feature. registry->RegisterIntegerPref(prefs::kIosSafetyCheckNotificationsLastSent, -1); registry->RegisterIntegerPref( prefs::kIosSafetyCheckNotificationsLastTriggered, -1); password_manager::PasswordManager::RegisterLocalPrefs(registry); // Prefs used to skip too frequent identity confirmation snackbar prompt. registry->RegisterTimePref(prefs::kIdentityConfirmationSnackbarLastPromptTime, base::Time()); registry->RegisterIntegerPref( prefs::kIdentityConfirmationSnackbarDisplayCount, 0); // Register pref storing whether the Incognito interstitial for third-party // intents is enabled. registry->RegisterBooleanPref(prefs::kIncognitoInterstitialEnabled, false); registry->RegisterIntegerPref(prefs::kAddressBarSettingsNewBadgeShownCount, 0); registry->RegisterIntegerPref(prefs::kBWGSettingsNewBadgeShownCount, 0); registry->RegisterIntegerPref( prefs::kProminenceNotificationAlertImpressionCount, 0); registry->RegisterIntegerPref(prefs::kChromeDataRegionSetting, 0); registry->RegisterBooleanPref(prefs::kYoutubeIncognitoHasBeenShown, false); registry->RegisterBooleanPref(prefs::kHasSwitchedAccountsViaWebFlow, false); // Prefs used to force multi-profile migration. registry->RegisterTimePref( prefs::kWaitingForMultiProfileForcedMigrationTimestamp, base::Time()); registry->RegisterBooleanPref(prefs::kMultiProfileForcedMigrationDone, false); // Deprecated 05/2026. registry->RegisterTimePref(kNextSSORecallTime, base::Time()); registry->RegisterTimePref( prefs::kSigninStartupPromoLastShownTimeWithRandomOffset, base::Time()); // Prefs for managing the logging of install attribution. registry->RegisterIntegerPref(prefs::kIOSGMOSKOLastAttributionPlacementID, 0); registry->RegisterTimePref(prefs::kIOSGMOSKOPlacementIDNextLogDate, base::Time()); registry->RegisterIntegerPref(prefs::kIOSGMOSKOLastAttributionWindowType, 0); registry->RegisterIntegerPref(prefs::kIOSAppPreviewLastAttributionPlacementID, 0); registry->RegisterTimePref(prefs::kIOSAppPreviewPlacementIDNextLogDate, base::Time()); registry->RegisterIntegerPref(prefs::kIOSAppPreviewLastAttributionWindowType, 0); registry->RegisterTimePref(prefs::kLastRecordedActiveDay, base::Time()); registry->RegisterIntegerPref(prefs::kLastRecordedActiveDaysInPast28Days, -1); // Deprecated 02/2025. registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationParcelTrackingImpressionsSinceFreshness, -1); registry->RegisterBooleanPref(prefs::kMigrateWidgetsPrefs, false); registry->RegisterTimePref(prefs::kLensOverlayLastPresented, base::Time()); registry->RegisterBooleanPref(prefs::kWidgetsForMultiProfile, false); // Deprecated 01/2026. registry->RegisterListPref(kMagicStackSafetyCheckNotificationsShown); registry->RegisterListPref(kBottomOmniboxByDefault); // Deprecated 07/2026. registry->RegisterIntegerPref(kObsoleteMetricsReportingLevel, 0); registry->RegisterBooleanPref(kMetricsReportingMigrationDone, false); registry->RegisterBooleanPref(kMetricsConsentRestructureFeatureState, false); registry->RegisterTimePref(kObsoleteManagementPlatformLastLogTime, base::Time()); } void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) { autofill::prefs::RegisterProfilePrefs(registry); collaboration::prefs::RegisterProfilePrefs(registry); commerce::RegisterProfilePrefs(registry); contextual_search::ContextualSearchService::RegisterProfilePrefs(registry); AimEligibilityService::RegisterProfilePrefs(registry); registry->RegisterDictionaryPref(prefs::kCobrowseSessionActiveMap); cross_device::RegisterProfilePrefs(registry); CrossPlatformPromosService::RegisterProfilePrefs(registry); data_controls::RegisterProfilePrefs(registry); dom_distiller::DistilledPagePrefs::RegisterProfilePrefs(registry); enterprise::RegisterIdentifiersProfilePrefs(registry); enterprise_connectors::RegisterProfilePrefs(registry); enterprise_data_protection::RegisterProfilePrefs(registry); enterprise_net::RegisterProfilePrefs(registry); ios_feed::RegisterProfilePrefs(registry); FirstRun::RegisterProfilePrefs(registry); FontSizeTabHelper::RegisterProfilePrefs(registry); HostContentSettingsMap::RegisterProfilePrefs(registry); invalidation::PerUserTopicSubscriptionManager::RegisterProfilePrefs(registry); image_fetcher::ImageCache::RegisterProfilePrefs(registry); language::LanguagePrefs::RegisterProfilePrefs(registry); LevelUpService::RegisterProfilePrefs(registry); metrics::RegisterDemographicsProfilePrefs(registry); metrics::MetricsReportingChoiceService::RegisterProfilePrefs(registry); ntp_tiles::CustomLinksManagerImpl::RegisterProfilePrefs(registry); ntp_tiles::MostVisitedSites::RegisterProfilePrefs(registry); ntp_tiles::PopularSitesImpl::RegisterProfilePrefs(registry); optimization_guide::prefs::RegisterProfilePrefs(registry); optimization_guide::model_execution::prefs::RegisterProfilePrefs(registry); password_manager::PasswordManager::RegisterProfilePrefs(registry); payments::RegisterProfilePrefs(registry); personal_context::prefs::RegisterProfilePrefs(registry); policy::URLBlocklistManager::RegisterProfilePrefs(registry); PrefProxyConfigTrackerImpl::RegisterProfilePrefs(registry); PushNotificationService::RegisterProfilePrefs(registry); RegisterPriceTrackingPromoPrefs(registry); regional_capabilities::prefs::RegisterProfilePrefs(registry); shop_card_prefs::RegisterPrefs(registry); RegisterVoiceSearchBrowserStatePrefs(registry); safe_browsing::RegisterProfilePrefs(registry); segmentation_platform::SegmentationPlatformService::RegisterProfilePrefs( registry); segmentation_platform::DeviceSwitcherResultDispatcher::RegisterProfilePrefs( registry); SharingSyncPreference::RegisterProfilePrefs(registry); SigninPrefs::RegisterProfilePrefs(registry); subscription_eligibility::prefs::RegisterProfilePrefs(registry); supervised_user::RegisterProfilePrefs(registry); supervised_user::SupervisedUserMetricsService::RegisterProfilePrefs(registry); sync_sessions::SessionSyncPrefs::RegisterProfilePrefs(registry); syncer::DeviceInfoPrefs::RegisterProfilePrefs(registry); syncer::DeviceStatisticsScheduler::RegisterProfilePrefs(registry); syncer::SyncPrefs::RegisterProfilePrefs(registry); syncer::SyncTransportDataPrefs::RegisterProfilePrefs(registry); TemplateURLPrepopulateData::RegisterProfilePrefs(registry); translate::TranslatePrefs::RegisterProfilePrefs(registry); unified_consent::UnifiedConsentService::RegisterPrefs(registry); universal_optout::prefs::RegisterProfilePrefs(registry); variations::VariationsService::RegisterProfilePrefs(registry); ZeroSuggestProvider::RegisterProfilePrefs(registry); tab_resumption_prefs::RegisterProfilePrefs(registry); [BookmarkMediator registerProfilePrefs:registry]; [BookmarkPathCache registerProfilePrefs:registry]; [BookmarksHomeMediator registerProfilePrefs:registry]; [ContentSuggestionsMediator registerProfilePrefs:registry]; [HandoffManager registerBrowserStatePrefs:registry]; [SigninCoordinator registerProfilePrefs:registry]; [SigninPromoViewMediator registerProfilePrefs:registry]; tab_groups::prefs::RegisterProfilePrefs(registry); registry->RegisterBooleanPref(policy::policy_prefs::kPolicyTestPageEnabled, true); registry->RegisterBooleanPref( translate::prefs::kOfferTranslateEnabled, true, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref( prefs::kTrackPricesOnTabsEnabled, true, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref( prefs::kNTPContentSuggestionsEnabled, true, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref(prefs::kIosImageFetcherShouldClearCache, true); registry->RegisterBooleanPref( prefs::kArticlesForYouEnabled, true, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref( prefs::kNTPContentSuggestionsForSupervisedUserEnabled, true, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterStringPref(prefs::kDefaultCharset, l10n_util::GetStringUTF8(IDS_DEFAULT_ENCODING), user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref( prefs::kSearchSuggestEnabled, true, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref(prefs::kSavingBrowserHistoryDisabled, false); // Register pref used to show the link preview. registry->RegisterBooleanPref(prefs::kLinkPreviewEnabled, true); // Register pref used to show the "Reading mode available" message. registry->RegisterBooleanPref(prefs::kIosReaderModeShowAvailability, true); // Register pref to determine if the user changed the Following sort type. registry->RegisterBooleanPref(prefs::kDefaultFollowingFeedSortTypeChanged, false); // Register prefs used by Clear Browsing Data UI. browsing_data::prefs::RegisterBrowserUserPrefs(registry); registry->RegisterStringPref(prefs::kNewTabPageLocationOverride, std::string()); registry->RegisterIntegerPref( policy::policy_prefs::kIncognitoModeAvailability, static_cast(IncognitoModePrefs::kEnabled)); registry->RegisterBooleanPref(prefs::kPrintingEnabled, true); registry->RegisterBooleanPref(prefs::kAllowChromeDataInBackups, true); // Register HTTPS related settings. registry->RegisterBooleanPref(prefs::kHttpsOnlyModeEnabled, false); // Register pref used to determine whether the User Policy notification was // already shown. registry->RegisterBooleanPref( policy::policy_prefs::kUserPolicyNotificationWasShown, false); registry->RegisterBooleanPref(policy::policy_prefs::kSyncDisabledAlertShown, false); registry->RegisterIntegerPref(prefs::kIosShareChromeCount, 0, PrefRegistry::LOSSY_PREF); registry->RegisterTimePref(prefs::kIosShareChromeLastShare, base::Time(), PrefRegistry::LOSSY_PREF); // Register pref storing whether Web Inspector support is enabled. #if BUILDFLAG(CHROMIUM_BRANDING) && !defined(NDEBUG) // Enable it by default on debug builds registry->RegisterBooleanPref(prefs::kWebInspectorEnabled, true); #else registry->RegisterBooleanPref(prefs::kWebInspectorEnabled, false); #endif // Register prerender network prediction preferences. registry->RegisterIntegerPref( prefs::kNetworkPredictionSetting, std::to_underlying( prerender_prefs::NetworkPredictionSetting::kEnabledWifiOnly), user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); // Register pref used to determine if the Price Tracking UI has been shown. registry->RegisterBooleanPref(prefs::kPriceNotificationsHasBeenShown, false); // Register pref used to count the number of consecutive times the password // bottom sheet has been dismissed. registry->RegisterIntegerPref(prefs::kIosPasswordBottomSheetDismissCount, 0); // Register pref used to count the number of consecutive times the password // generation bottom sheet has been dismissed. registry->RegisterIntegerPref( prefs::kIosPasswordGenerationBottomSheetDismissCount, 0); // Register pref used to detect addresses in web page registry->RegisterBooleanPref(prefs::kDetectAddressesEnabled, true); registry->RegisterBooleanPref(prefs::kDetectAddressesAccepted, false); // Register MiniMap Native Preview setting pref. registry->RegisterBooleanPref(prefs::kIosMiniMapShowNativeMap, true); // Register prefs used by PromosManager. registry->RegisterListPref(prefs::kIosPromosManagerActivePromos); registry->RegisterListPref(prefs::kIosPromosManagerSingleDisplayActivePromos); registry->RegisterDictionaryPref( prefs::kIosPromosManagerSingleDisplayPendingPromos); // Preferences related to Save to Photos settings. registry->RegisterStringPref(prefs::kIosSaveToPhotosDefaultGaiaId, std::string()); registry->RegisterBooleanPref(prefs::kIosSaveToPhotosSkipAccountPicker, false); registry->RegisterIntegerPref( prefs::kIosSaveToPhotosContextMenuPolicySettings, static_cast(SaveToPhotosPolicySettings::kEnabled)); // Preferences related to Save to Drive settings. registry->RegisterStringPref(prefs::kIosSaveToDriveDefaultGaiaId, std::string()); registry->RegisterIntegerPref( prefs::kIosSaveToDriveDownloadManagerPolicySettings, static_cast(SaveToDrivePolicySettings::kEnabled)); // Preferences related to Choose from Drive settings. registry->RegisterIntegerPref( prefs::kIosChooseFromDriveFilePickerPolicySettings, static_cast(ChooseFromDrivePolicySettings::kEnabled)); // Preferences related to ntp browser theme color set by enterprise policy. registry->RegisterIntegerPref(themes::prefs::kPolicyThemeColor, SK_ColorTRANSPARENT); // Preferences related to download restrictions enterprise policy. registry->RegisterIntegerPref(policy::policy_prefs::kDownloadRestrictions, 0); // Preferences related to ntp customization enterprise policy. registry->RegisterBooleanPref(prefs::kNTPCustomBackgroundEnabledByPolicy, true); // Preferences related to enterprise cloud profile reporting. registry->RegisterBooleanPref( enterprise_reporting::kCloudProfileReportingEnabled, false); registry->RegisterTimePref(enterprise_reporting::kLastUploadTimestamp, base::Time()); registry->RegisterTimePref( enterprise_reporting::kLastUploadSucceededTimestamp, base::Time()); registry->RegisterTimeDeltaPref( enterprise_reporting::kCloudReportingUploadFrequency, base::Hours(24)); registry->RegisterBooleanPref( enterprise_reporting::kPoliciesEverFetchedWithProfileId, false); registry->RegisterBooleanPref( enterprise_reporting::kUserSecurityAuthenticatedReporting, false); registry->RegisterBooleanPref( enterprise_reporting::kUserSecuritySignalsReporting, false); registry->RegisterTimePref( enterprise_reporting::kLastSignalsUploadAttemptTimestamp, base::Time()); registry->RegisterTimePref( enterprise_reporting::kLastSignalsUploadSucceededTimestamp, base::Time()); registry->RegisterStringPref( enterprise_reporting::kLastSignalsUploadSucceededConfig, std::string()); // Register prefs related to Enterprise Isolated Mode. enterprise_isolated_mode::RegisterProfilePrefs(registry); // Register prefs used to skip too frequent History Sync Opt-In prompt. history_sync::RegisterProfilePrefs(registry); registry->RegisterBooleanPref(prefs::kPasswordSharingFlowHasBeenEntered, false); // Preference related to feed. registry->RegisterTimePref(kActivityBucketLastReportedDateKey, base::Time()); registry->RegisterIntegerPref(kActivityBucketKey, 0); registry->RegisterDoublePref(kTimeSpentInFeedAggregateKey, 0.0); registry->RegisterTimePref(kLastDayTimeInFeedReportedKey, base::Time()); registry->RegisterTimePref(kLastInteractionTimeForDiscoverGoodVisits, base::Time()); registry->RegisterDoublePref(kLongDiscoverFeedVisitTimeAggregateKey, 0.0); registry->RegisterTimePref(kArticleVisitTimestampKey, base::Time()); registry->RegisterListPref(kActivityBucketLastReportedDateArrayKey); registry->RegisterBooleanPref(prefs::kDetectUnitsEnabled, true); registry->RegisterTimePref(prefs::kLastSigninTimestamp, base::Time()); // Preferences related to Content Notifications. registry->RegisterTimePref(prefs::kNotificationsPromoLastDismissed, base::Time()); registry->RegisterTimePref(prefs::kNotificationsPromoLastShown, base::Time()); registry->RegisterIntegerPref(prefs::kNotificationsPromoTimesShown, 0); registry->RegisterIntegerPref(prefs::kNotificationsPromoTimesDismissed, 0); registry->RegisterBooleanPref(prefs::kInsecureFormWarningsEnabled, true); registry->RegisterTimePref(kLastCookieDeletionDate, base::Time()); registry->RegisterDictionaryPref(prefs::kWebAnnotationsPolicy); // Pref used to store the latest Most Visited Sites to detect changes // to the top Most Visited Sites. registry->RegisterListPref(prefs::kIosLatestMostVisitedSites, PrefRegistry::LOSSY_PREF); registry->RegisterBooleanPref(prefs::kUserAgentWasChanged, false); registry->RegisterTimePref(prefs::kLastApplicationStorageMetricsLogTime, base::Time()); registry->RegisterIntegerPref(spotlight::kSpotlightLastIndexingVersionKey, 0); registry->RegisterTimePref(spotlight::kSpotlightLastIndexingDateKey, base::Time()); registry->RegisterDictionaryPref( prefs::kContentNotificationsEnrollmentEligibility); // Registers the Home customization visibility prefs. registry->RegisterBooleanPref(ntp_tiles::prefs::kMagicStackHomeModuleEnabled, true); // Registers the Magic Stack module visibility prefs. registry->RegisterBooleanPref(ntp_tiles::prefs::kTipsHomeModuleEnabled, true); registry->RegisterBooleanPref( ntp_tiles::prefs::kTabResumptionHomeModuleEnabled, true); registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationMVTImpressionsSinceFreshness, -1); registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationShortcutsImpressionsSinceFreshness, -1); registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationSafetyCheckImpressionsSinceFreshness, -1); registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationTabResumptionImpressionsSinceFreshness, -1); // Pref used to store the number of impressions of the shop card // module in the Home Surface since a shop card freshness signal. registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationShopCardImpressionsSinceFreshness, -1); registry->RegisterIntegerPref( prefs::kIosMagicStackSegmentationLevelUpImpressionsSinceFreshness, -1); // Registers a preference to store the count of displayed Safety Check issues. // This count determines if the Safety Check module remains in the Magic // Stack. registry->RegisterIntegerPref( prefs::kHomeCustomizationMagicStackSafetyCheckIssuesCount, 0); registry->RegisterIntegerPref( lens::prefs::kLensOverlaySettings, static_cast(lens::prefs::LensOverlaySettingsPolicyValue::kEnabled)); registry->RegisterIntegerPref(prefs::kIosSyncSegmentsNewTabPageDisplayCount, 0); registry->RegisterStringPref(prefs::kBrowserStateStorageIdentifier, std::string()); registry->RegisterBooleanPref(policy::policy_prefs::kForceGoogleSafeSearch, false); // Preferences related to the new Safety Check Manager. registry->RegisterStringPref( prefs::kIosSafetyCheckManagerPasswordCheckResult, NameForSafetyCheckState(PasswordSafetyCheckState::kDefault), PrefRegistry::LOSSY_PREF); registry->RegisterDictionaryPref( prefs::kIosSafetyCheckManagerInsecurePasswordCounts, PrefRegistry::LOSSY_PREF); safety_check::prefs::RegisterProfilePrefs(registry); // Preferences related to Lens Overlay. registry->RegisterBooleanPref(prefs::kLensOverlayConditionsAccepted, false); // Prefs related to Reminder Notifications. registry->RegisterDictionaryPref(prefs::kReminderNotifications); // Preferences related to tab grid. // Default to 0 which is the unassigned value. registry->RegisterIntegerPref(prefs::kInactiveTabsTimeThreshold, 0); registry->RegisterBooleanPref(prefs::kAutomaticallyOpenTabGroupsEnabled, false); registry->RegisterBooleanPref(prefs::kStartSurfaceEnabled, true); registry->RegisterDictionaryPref(prefs::kIosPreRestoreAccountInfo); registry->RegisterStringPref( send_tab_to_self::prefs::kIOSSendTabToSelfLastReceivedTabURLPref, std::string()); registry->RegisterIntegerPref(prefs::kIOSLastKnownNTPWebStateIndex, -1); registry->RegisterIntegerPref(prefs::kChromeDataRegionSetting, 0); registry->RegisterBooleanPref(prefs::kProvisionalNotificationsAllowedByPolicy, true); // BWG prefs. registry->RegisterDictionaryPref(prefs::kBwgSessionMap); registry->RegisterBooleanPref( prefs::kIOSBwgConsent, false, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref( prefs::kIOSGeminiLiveConsent, false, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref( prefs::kIOSGeminiLiveIntroPlayed, false, user_prefs::PrefRegistrySyncable::SYNCABLE_PREF); registry->RegisterBooleanPref(prefs::kIOSBWGPreciseLocationSetting, false); registry->RegisterBooleanPref(prefs::kIOSBWGPageContentSetting, true); registry->RegisterIntegerPref(prefs::kIOSBWGPromoImpressionCount, 0); registry->RegisterBooleanPref(prefs::kIOSGeminiCameraSetting, false); registry->RegisterBooleanPref(prefs::kIOSGeminiLiveClosedCaptioningSetting, false); registry->RegisterBooleanPref(prefs::kIOSGeminiLiveMicrophoneSetting, false); registry->RegisterTimePref(prefs::kLastGeminiInteractionTimestamp, base::Time()); registry->RegisterTimePref(prefs::kLastGeminiContextualChipDisplayedTimestamp, base::Time()); registry->RegisterStringPref(prefs::kLastGeminiInteractionURL, std::string()); registry->RegisterStringPref(prefs::kGeminiConversationId, std::string()); registry->RegisterBooleanPref(prefs::kAppStoreGeminiPromoTriggered, false); registry->RegisterTimePref(prefs::kIosSyncInfobarErrorLastDismissedTimestamp, base::Time()); registry->RegisterIntegerPref(prefs::kGeminiEnabledByPolicy, 0); registry->RegisterIntegerPref(prefs::kGenAiEnabledByPolicy, 0); registry->RegisterBooleanPref(prefs::kAIHubEligibilityTriggered, false); registry->RegisterListPref(policy::policy_prefs::kIncognitoModeUrlBlocklist); registry->RegisterListPref(policy::policy_prefs::kIncognitoModeUrlAllowlist); // Prefs for the Synced Set Up Feature. registry->RegisterIntegerPref(prefs::kSyncedSetUpImpressionCount, 0); // Preference associated with the Gemini Settings policy state. registry->RegisterIntegerPref(optimization_guide::prefs::kGeminiSettings, 0); // Deprecated 10/2025 registry->RegisterIntegerPref(kSessionStorageFormatPref, 0); registry->RegisterIntegerPref(kSessionStorageMigrationStatusPref, 0); registry->RegisterTimePref(kSessionStorageMigrationStartedTimePref, base::Time()); registry->RegisterBooleanPref(kTipsInMagicStackDisabledPref, false); registry->RegisterBooleanPref(kHomeCustomizationMagicStackSetUpListEnabled, true); // Deprecated 10/2025. registry->RegisterIntegerPref(kNTPFollowingFeedSortType, 2); // Use `safety_check::prefs::kSafetyCheckHomeModuleEnabled` instead. registry->RegisterBooleanPref( prefs::kHomeCustomizationMagicStackSafetyCheckEnabled, true); registry->RegisterIntegerPref(kFirstFollowUIShownCount, 0); registry->RegisterIntegerPref(kFirstFollowUpdateUIShownCount, 0); registry->RegisterDoublePref(kLongFollowingFeedVisitTimeAggregateKey, 0.0); registry->RegisterTimePref(kLastInteractionTimeForFollowingGoodVisits, base::Time()); registry->RegisterTimePref(kLastInteractionTimeForGoodVisits, base::Time()); registry->RegisterDoublePref(kLongFeedVisitTimeAggregateKey, 0.0); registry->RegisterIntegerPref(kLastUsedFeedForGoodVisitsKey, 0); // Deprecated 10/2025. Use // `ntp_tiles::prefs::kTabResumptionHomeModuleEnabled` instead. registry->RegisterBooleanPref( prefs::kHomeCustomizationMagicStackTabResumptionEnabled, true); // Deprecated 10/2025. Use // `ntp_tiles::prefs::kTipsHomeModuleEnabled` instead. registry->RegisterBooleanPref(prefs::kHomeCustomizationMagicStackTipsEnabled, true); // Deprecated 10/2025. Use `ntp_tiles::prefs::kMagicStackHomeModuleEnabled` // instead. registry->RegisterBooleanPref(prefs::kHomeCustomizationMagicStackEnabled, true); // Deprecated 10/2025. Use `commerce::kPriceTrackingHomeModuleEnabled` // instead. registry->RegisterBooleanPref( prefs::kHomeCustomizationMagicStackShopCardPriceTrackingEnabled, true); // Deprecated 10/2025. Use `ntp_tiles::prefs::kMostVisitedHomeModuleEnabled` // instead. registry->RegisterBooleanPref(prefs::kHomeCustomizationMostVisitedEnabled, true); // Deprecated 10/2025. registry->RegisterStringPref(kLegacySyncSessionsGUID, std::string()); registry->RegisterBooleanPref(kFingerprintingProtectionEnabled, true); // Deprecated 11/2025. registry->RegisterListPref(kReaderModeRecentlyUsedTimestampsPref); // Deprecated 12/2025. registry->RegisterStringPref(kAutofillStatesDataDir, std::string()); // Deprecated 04/2026. registry->RegisterStringPref(kDeprecatedGoogleServicesLastSyncingGaiaId, std::string()); registry->RegisterStringPref(kDeprecatedGoogleServicesLastSyncingUsername, std::string()); // Deprecated 04/2026. registry->RegisterIntegerPref(kPreallocatedAddressesVersion, 1); registry->RegisterListPref(kPreallocatedAddresses); registry->RegisterIntegerPref(kPreallocatedAddressesNext, 0); registry->RegisterTimePref(kFirstPlusAddressCreationTime, base::Time()); registry->RegisterTimePref(kLastPlusAddressFillingTime, base::Time()); // Deprecated 07/2026. registry->RegisterTimePref(kObsoleteManagementProfileLastLogTime, base::Time()); // Deprecated 08/2026. registry->RegisterBooleanPref("autofill.wallet_import_enabled", true); registry->RegisterBooleanPref("sync.autofill_wallet_import_enabled_migrated", false); } // This method should be periodically pruned of year+ old migrations. void MigrateObsoleteLocalStatePrefs(PrefService* prefs) { // This function is not allowed to block. base::ScopedDisallowBlocking disallow_blocking; // Added 02/2025. prefs->ClearPref( prefs::kIosMagicStackSegmentationParcelTrackingImpressionsSinceFreshness); // Added 01/2026. prefs->ClearPref(kMagicStackSafetyCheckNotificationsShown); prefs->ClearPref(kBottomOmniboxByDefault); // Added 02/2026. prefs->ClearPref(kIosParcelTrackingPolicyEnabled); // Added 05/2026. prefs->ClearPref(kNextSSORecallTime); // Added 07/2026. prefs->ClearPref(kObsoleteMetricsReportingLevel); prefs->ClearPref(kMetricsReportingMigrationDone); prefs->ClearPref(kMetricsConsentRestructureFeatureState); // Added 07/2026. prefs->ClearPref(kObsoleteManagementPlatformLastLogTime); } // This method should be periodically pruned of year+ old migrations. void MigrateObsoleteProfilePrefs(PrefService* prefs) { // This function is not allowed to block. base::ScopedDisallowBlocking disallow_blocking; // Check MigrateDeprecatedAutofillPrefs() to see if this is safe to remove. autofill::prefs::MigrateDeprecatedAutofillPrefs(prefs); // Added 09/2024. browsing_data::prefs::MaybeMigrateToQuickDeletePrefValues(prefs); // Added 10/2025. prefs->ClearPref(kSessionStorageFormatPref); prefs->ClearPref(kSessionStorageMigrationStatusPref); prefs->ClearPref(kSessionStorageMigrationStartedTimePref); prefs->ClearPref(kTipsInMagicStackDisabledPref); prefs->ClearPref(kHomeCustomizationMagicStackSetUpListEnabled); prefs->ClearPref(kNTPFollowingFeedSortType); // Added 10/2025. RenameBooleanPref(safety_check::prefs::kSafetyCheckHomeModuleEnabled, prefs::kHomeCustomizationMagicStackSafetyCheckEnabled, prefs); RenameBooleanPref(ntp_tiles::prefs::kTabResumptionHomeModuleEnabled, prefs::kHomeCustomizationMagicStackTabResumptionEnabled, prefs); RenameBooleanPref(ntp_tiles::prefs::kTipsHomeModuleEnabled, prefs::kHomeCustomizationMagicStackTipsEnabled, prefs); RenameBooleanPref(ntp_tiles::prefs::kMagicStackHomeModuleEnabled, prefs::kHomeCustomizationMagicStackEnabled, prefs); RenameBooleanPref( commerce::kPriceTrackingHomeModuleEnabled, prefs::kHomeCustomizationMagicStackShopCardPriceTrackingEnabled, prefs); RenameBooleanPref(ntp_tiles::prefs::kMostVisitedHomeModuleEnabled, prefs::kHomeCustomizationMostVisitedEnabled, prefs); prefs->ClearPref(kFirstFollowUIShownCount); prefs->ClearPref(kFirstFollowUpdateUIShownCount); prefs->ClearPref(kLongFollowingFeedVisitTimeAggregateKey); prefs->ClearPref(kLastInteractionTimeForFollowingGoodVisits); prefs->ClearPref(kLastInteractionTimeForGoodVisits); prefs->ClearPref(kLongFeedVisitTimeAggregateKey); prefs->ClearPref(kLastUsedFeedForGoodVisitsKey); prefs->ClearPref(kLegacySyncSessionsGUID); prefs->ClearPref(kFingerprintingProtectionEnabled); // Added 11/2025. prefs->ClearPref(kReaderModeRecentlyUsedTimestampsPref); // Added 12/2025. prefs->ClearPref(kAutofillStatesDataDir); // Added 04/2026. prefs->ClearPref(kDeprecatedGoogleServicesLastSyncingGaiaId); prefs->ClearPref(kDeprecatedGoogleServicesLastSyncingUsername); // Added 04/2026. prefs->ClearPref(kPreallocatedAddressesVersion); prefs->ClearPref(kPreallocatedAddresses); prefs->ClearPref(kPreallocatedAddressesNext); prefs->ClearPref(kFirstPlusAddressCreationTime); prefs->ClearPref(kLastPlusAddressFillingTime); // Added 06/2026. syncer::ClearAccountKeyedPrefValue( prefs, autofill::prefs::kAutofillAiOptInStatus, {}); // Added 07/2026. prefs->ClearPref(kObsoleteManagementProfileLastLogTime); // Added 08/2026. prefs->ClearPref("autofill.wallet_import_enabled"); prefs->ClearPref("sync.autofill_wallet_import_enabled_migrated"); } void MigrateObsoleteUserDefault() { NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; // Added 10/2025. [defaults removeObjectForKey:@"TimestampTriggerCriteriaExperimentStarted"]; [defaults removeObjectForKey:@"AllTimestampsAppLaunchColdStart"]; [defaults removeObjectForKey:@"AllTimestampsAppLaunchWarmStart"]; [defaults removeObjectForKey:@"AllTimestampsAppLaunchIndirectStart"]; [defaults removeObjectForKey:@"AutofillUseCount"]; [defaults removeObjectForKey:@"SpecialTabUseCount"]; [defaults removeObjectForKey:@"OmniboxUseCount"]; [defaults removeObjectForKey:@"BookmarkUseCount"]; // Added 03/2026 [defaults removeObjectForKey:@"fre_timestamp_migration_done"]; [defaults removeObjectForKey:@"promo_interest_event_migration_done"]; [defaults removeObjectForKey:@"promo_impressions_migration_done"]; [defaults removeObjectForKey:@"lastSignificantUserEvent"]; [defaults removeObjectForKey:@"lastSignificantUserEventMadeForIOS"]; [defaults removeObjectForKey:@"lastSignificantUserEventAllTabs"]; [defaults removeObjectForKey:@"lastSignificantUserEventStaySafe"]; // Added 04/2026 [defaults removeObjectForKey:@"displayedPromoCount"]; [defaults removeObjectForKey:@"genericPromoInteractionCount"]; [defaults removeObjectForKey:@"tailoredPromoInteractionCount"]; [defaults removeObjectForKey:@"userHasInteractedWithFullscreenPromo"]; [defaults removeObjectForKey:@"userHasInteractedWithTailoredFullscreenPromo"]; [defaults removeObjectForKey:@"userHasInteractedWithFirstRunPromo"]; [defaults removeObjectForKey:@"lastTimeUserInteractedWithFullscreenPromo"]; // Added 06/2026. NSUserDefaults* shared_defaults = app_group::GetGroupUserDefaults(); [shared_defaults removeObjectForKey:@"SuggestedItems"]; [shared_defaults removeObjectForKey:@"SuggestedItemsLastModificationDate"]; }