browser_prefs.cc revision 3240926e260ce088908e02ac07a6cf7b0c0cbf44 
1// Copyright 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/prefs/browser_prefs.h"
6
7#include "apps/prefs.h"
8#include "base/debug/trace_event.h"
9#include "base/prefs/pref_registry_simple.h"
10#include "base/prefs/pref_service.h"
11#include "chrome/browser/about_flags.h"
12#include "chrome/browser/accessibility/invert_bubble_prefs.h"
13#include "chrome/browser/background/background_mode_manager.h"
14#include "chrome/browser/bookmarks/bookmark_prompt_prefs.h"
15#include "chrome/browser/bookmarks/bookmark_utils.h"
16#include "chrome/browser/browser_process_impl.h"
17#include "chrome/browser/browser_shutdown.h"
18#include "chrome/browser/chrome_content_browser_client.h"
19#include "chrome/browser/component_updater/recovery_component_installer.h"
20#include "chrome/browser/content_settings/host_content_settings_map.h"
21#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
22#include "chrome/browser/devtools/devtools_window.h"
23#include "chrome/browser/download/download_prefs.h"
24#include "chrome/browser/extensions/api/commands/command_service.h"
25#include "chrome/browser/extensions/api/tabs/tabs_api.h"
26#include "chrome/browser/extensions/extension_prefs.h"
27#include "chrome/browser/extensions/extension_web_ui.h"
28#include "chrome/browser/external_protocol/external_protocol_handler.h"
29#include "chrome/browser/first_run/first_run.h"
30#include "chrome/browser/geolocation/geolocation_prefs.h"
31#include "chrome/browser/google/google_url_tracker.h"
32#include "chrome/browser/google/google_url_tracker_factory.h"
33#include "chrome/browser/gpu/gl_string_manager.h"
34#include "chrome/browser/gpu/gpu_mode_manager.h"
35#include "chrome/browser/intranet_redirect_detector.h"
36#include "chrome/browser/io_thread.h"
37#include "chrome/browser/media/media_capture_devices_dispatcher.h"
38#include "chrome/browser/media/media_stream_devices_controller.h"
39#include "chrome/browser/metrics/metrics_log.h"
40#include "chrome/browser/metrics/metrics_service.h"
41#include "chrome/browser/metrics/variations/variations_service.h"
42#include "chrome/browser/net/http_server_properties_manager.h"
43#include "chrome/browser/net/net_pref_observer.h"
44#include "chrome/browser/net/predictor.h"
45#include "chrome/browser/net/pref_proxy_config_tracker_impl.h"
46#include "chrome/browser/net/ssl_config_service_manager.h"
47#include "chrome/browser/notifications/desktop_notification_service.h"
48#include "chrome/browser/notifications/notification_prefs_manager.h"
49#include "chrome/browser/password_manager/password_generation_manager.h"
50#include "chrome/browser/password_manager/password_manager.h"
51#include "chrome/browser/pepper_flash_settings_manager.h"
52#include "chrome/browser/plugins/plugin_finder.h"
53#include "chrome/browser/prefs/incognito_mode_prefs.h"
54#include "chrome/browser/prefs/pref_service_syncable.h"
55#include "chrome/browser/prefs/session_startup_pref.h"
56#include "chrome/browser/printing/cloud_print/cloud_print_url.h"
57#include "chrome/browser/printing/print_dialog_cloud.h"
58#include "chrome/browser/profiles/chrome_version_service.h"
59#include "chrome/browser/profiles/profile.h"
60#include "chrome/browser/profiles/profile_impl.h"
61#include "chrome/browser/profiles/profile_info_cache.h"
62#include "chrome/browser/profiles/profiles_state.h"
63#include "chrome/browser/renderer_host/pepper/device_id_fetcher.h"
64#include "chrome/browser/renderer_host/web_cache_manager.h"
65#include "chrome/browser/search/search.h"
66#include "chrome/browser/search_engines/template_url_prepopulate_data.h"
67#include "chrome/browser/signin/signin_manager_factory.h"
68#include "chrome/browser/signin/signin_promo.h"
69#include "chrome/browser/sync/sync_prefs.h"
70#include "chrome/browser/task_manager/task_manager.h"
71#include "chrome/browser/translate/translate_prefs.h"
72#include "chrome/browser/ui/alternate_error_tab_observer.h"
73#include "chrome/browser/ui/app_list/app_list_service.h"
74#include "chrome/browser/ui/autofill/autofill_credit_card_bubble_controller.h"
75#include "chrome/browser/ui/autofill/autofill_dialog_controller_impl.h"
76#include "chrome/browser/ui/browser_ui_prefs.h"
77#include "chrome/browser/ui/network_profile_bubble.h"
78#include "chrome/browser/ui/prefs/prefs_tab_helper.h"
79#include "chrome/browser/ui/search_engines/keyword_editor_controller.h"
80#include "chrome/browser/ui/startup/autolaunch_prompt.h"
81#include "chrome/browser/ui/startup/default_browser_prompt.h"
82#include "chrome/browser/ui/tabs/pinned_tab_codec.h"
83#include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
84#include "chrome/browser/ui/webui/flags_ui.h"
85#include "chrome/browser/ui/webui/instant_ui.h"
86#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
87#include "chrome/browser/ui/webui/plugins_ui.h"
88#include "chrome/browser/ui/webui/print_preview/sticky_settings.h"
89#include "chrome/browser/ui/window_snapshot/window_snapshot.h"
90#include "chrome/browser/upgrade_detector.h"
91#include "chrome/browser/web_resource/promo_resource_service.h"
92#include "chrome/common/metrics/caching_permuted_entropy_provider.h"
93#include "chrome/common/pref_names.h"
94#include "components/autofill/core/browser/autofill_manager.h"
95#include "components/user_prefs/pref_registry_syncable.h"
96#include "content/public/browser/render_process_host.h"
97
98#if defined(ENABLE_CONFIGURATION_POLICY)
99#include "chrome/browser/policy/browser_policy_connector.h"
100#include "chrome/browser/policy/policy_statistics_collector.h"
101#include "chrome/browser/policy/url_blacklist_manager.h"
102#endif
103
104#if defined(ENABLE_MANAGED_USERS)
105#include "chrome/browser/managed_mode/managed_user_service.h"
106#include "chrome/browser/managed_mode/managed_user_sync_service.h"
107#endif
108
109#if defined(OS_MACOSX)
110#include "chrome/browser/ui/cocoa/confirm_quit.h"
111#include "chrome/browser/ui/cocoa/extensions/browser_actions_controller_prefs.h"
112#endif
113
114#if defined(TOOLKIT_VIEWS)
115#include "chrome/browser/ui/browser_view_prefs.h"
116#include "chrome/browser/ui/tabs/tab_strip_layout_type_prefs.h"
117#endif
118
119#if defined(TOOLKIT_GTK)
120#include "chrome/browser/ui/gtk/browser_window_gtk.h"
121#endif
122
123#if defined(OS_CHROMEOS)
124#include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
125#include "chrome/browser/chromeos/audio/audio_devices_pref_handler_impl.h"
126#include "chrome/browser/chromeos/customization_document.h"
127#include "chrome/browser/chromeos/display/display_preferences.h"
128#include "chrome/browser/chromeos/login/default_pinned_apps_field_trial.h"
129#include "chrome/browser/chromeos/login/login_utils.h"
130#include "chrome/browser/chromeos/login/startup_utils.h"
131#include "chrome/browser/chromeos/login/user_image_manager.h"
132#include "chrome/browser/chromeos/login/user_manager.h"
133#include "chrome/browser/chromeos/login/wallpaper_manager.h"
134#include "chrome/browser/chromeos/net/proxy_config_handler.h"
135#include "chrome/browser/chromeos/policy/auto_enrollment_client.h"
136#include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
137#include "chrome/browser/chromeos/policy/device_status_collector.h"
138#include "chrome/browser/chromeos/power/power_prefs.h"
139#include "chrome/browser/chromeos/preferences.h"
140#include "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
141#include "chrome/browser/chromeos/settings/device_settings_cache.h"
142#include "chrome/browser/chromeos/status/data_promo_notification.h"
143#include "chrome/browser/chromeos/system/automatic_reboot_manager.h"
144#include "chrome/browser/extensions/api/enterprise_platform_keys_private/enterprise_platform_keys_private_api.h"
145#include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
146#else
147#include "chrome/browser/extensions/default_apps.h"
148#endif
149
150#if defined(USE_ASH)
151#include "chrome/browser/ui/ash/chrome_launcher_prefs.h"
152#endif
153
154#if defined(OS_ANDROID)
155#include "chrome/browser/ui/webui/ntp/android/promo_handler.h"
156#endif
157
158#if defined(ENABLE_PLUGIN_INSTALLATION)
159#include "chrome/browser/plugins/plugins_resource_service.h"
160#endif
161
162namespace {
163
164enum MigratedPreferences {
165  NO_PREFS = 0,
166  DNS_PREFS = 1 << 0,
167  WINDOWS_PREFS = 1 << 1,
168  GOOGLE_URL_TRACKER_PREFS = 1 << 2,
169};
170
171// A previous feature (see
172// chrome/browser/protector/protected_prefs_watcher.cc in source
173// control history) used this string as a prefix for various prefs it
174// registered. We keep it here for now to clear out those old prefs in
175// MigrateUserPrefs.
176const char kBackupPref[] = "backup";
177
178// Chrome To Mobile has been removed; this pref will be cleared from user data.
179const char kChromeToMobilePref[] = "chrome_to_mobile.device_list";
180
181}  // namespace
182
183namespace chrome {
184
185void RegisterLocalState(PrefRegistrySimple* registry) {
186  // Prefs in Local State.
187  registry->RegisterIntegerPref(prefs::kMultipleProfilePrefMigration, 0);
188
189  // Please keep this list alphabetized.
190  AppListService::RegisterPrefs(registry);
191  apps::RegisterPrefs(registry);
192  browser_shutdown::RegisterPrefs(registry);
193  BrowserProcessImpl::RegisterPrefs(registry);
194  RegisterScreenshotPrefs(registry);
195  ExternalProtocolHandler::RegisterPrefs(registry);
196  FlagsUI::RegisterPrefs(registry);
197  geolocation::RegisterPrefs(registry);
198  GLStringManager::RegisterPrefs(registry);
199  GpuModeManager::RegisterPrefs(registry);
200  IntranetRedirectDetector::RegisterPrefs(registry);
201  IOThread::RegisterPrefs(registry);
202  KeywordEditorController::RegisterPrefs(registry);
203  MetricsLog::RegisterPrefs(registry);
204  MetricsService::RegisterPrefs(registry);
205  metrics::CachingPermutedEntropyProvider::RegisterPrefs(registry);
206  PrefProxyConfigTrackerImpl::RegisterPrefs(registry);
207  ProfileInfoCache::RegisterPrefs(registry);
208  profiles::RegisterPrefs(registry);
209  PromoResourceService::RegisterPrefs(registry);
210  RegisterPrefsForRecoveryComponent(registry);
211  SigninManagerFactory::RegisterPrefs(registry);
212  SSLConfigServiceManager::RegisterPrefs(registry);
213  UpgradeDetector::RegisterPrefs(registry);
214  WebCacheManager::RegisterPrefs(registry);
215  chrome_variations::VariationsService::RegisterPrefs(registry);
216
217#if defined(ENABLE_PLUGINS)
218  PluginFinder::RegisterPrefs(registry);
219#endif
220
221#if defined(ENABLE_PLUGIN_INSTALLATION)
222  PluginsResourceService::RegisterPrefs(registry);
223#endif
224
225#if defined(ENABLE_CONFIGURATION_POLICY)
226  policy::BrowserPolicyConnector::RegisterPrefs(registry);
227  policy::PolicyStatisticsCollector::RegisterPrefs(registry);
228#endif
229
230#if defined(ENABLE_NOTIFICATIONS)
231  NotificationPrefsManager::RegisterPrefs(registry);
232#endif
233
234#if defined(ENABLE_TASK_MANAGER)
235  TaskManager::RegisterPrefs(registry);
236#endif  // defined(ENABLE_TASK_MANAGER)
237
238#if defined(TOOLKIT_VIEWS)
239  RegisterBrowserViewPrefs(registry);
240  RegisterTabStripLayoutTypePrefs(registry);
241#endif
242
243#if !defined(OS_ANDROID)
244  BackgroundModeManager::RegisterPrefs(registry);
245  RegisterBrowserPrefs(registry);
246  RegisterDefaultBrowserPromptPrefs(registry);
247#endif
248
249#if defined(OS_CHROMEOS)
250  chromeos::AudioDevicesPrefHandlerImpl::RegisterPrefs(registry);
251  chromeos::DataPromoNotification::RegisterPrefs(registry);
252  chromeos::DeviceOAuth2TokenService::RegisterPrefs(registry);
253  chromeos::device_settings_cache::RegisterPrefs(registry);
254  chromeos::default_pinned_apps_field_trial::RegisterPrefs(registry);
255  chromeos::language_prefs::RegisterPrefs(registry);
256  chromeos::KioskAppManager::RegisterPrefs(registry);
257  chromeos::LoginUtils::RegisterPrefs(registry);
258  chromeos::Preferences::RegisterPrefs(registry);
259  chromeos::proxy_config::RegisterPrefs(registry);
260  chromeos::RegisterDisplayLocalStatePrefs(registry);
261  chromeos::ServicesCustomizationDocument::RegisterPrefs(registry);
262  chromeos::SigninScreenHandler::RegisterPrefs(registry);
263  chromeos::system::AutomaticRebootManager::RegisterPrefs(registry);
264  chromeos::UserImageManager::RegisterPrefs(registry);
265  chromeos::UserManager::RegisterPrefs(registry);
266  chromeos::WallpaperManager::RegisterPrefs(registry);
267  chromeos::StartupUtils::RegisterPrefs(registry);
268  policy::AutoEnrollmentClient::RegisterPrefs(registry);
269  policy::DeviceCloudPolicyManagerChromeOS::RegisterPrefs(registry);
270  policy::DeviceStatusCollector::RegisterPrefs(registry);
271#endif
272
273#if defined(OS_MACOSX)
274  confirm_quit::RegisterLocalState(registry);
275#endif
276}
277
278// Register prefs applicable to all profiles.
279void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
280  TRACE_EVENT0("browser", "chrome::RegisterUserPrefs");
281  // User prefs. Please keep this list alphabetized.
282  AlternateErrorPageTabObserver::RegisterProfilePrefs(registry);
283  apps::RegisterProfilePrefs(registry);
284  autofill::AutofillCreditCardBubbleController::RegisterUserPrefs(registry);
285  autofill::AutofillDialogControllerImpl::RegisterProfilePrefs(registry);
286  autofill::AutofillManager::RegisterProfilePrefs(registry);
287  BookmarkPromptPrefs::RegisterProfilePrefs(registry);
288  bookmark_utils::RegisterProfilePrefs(registry);
289  browser_sync::SyncPrefs::RegisterProfilePrefs(registry);
290  ChromeContentBrowserClient::RegisterProfilePrefs(registry);
291  ChromeVersionService::RegisterProfilePrefs(registry);
292  chrome_browser_net::HttpServerPropertiesManager::RegisterProfilePrefs(
293      registry);
294  chrome_browser_net::Predictor::RegisterProfilePrefs(registry);
295  DownloadPrefs::RegisterProfilePrefs(registry);
296  extensions::ExtensionPrefs::RegisterProfilePrefs(registry);
297  ExtensionWebUI::RegisterProfilePrefs(registry);
298  HostContentSettingsMap::RegisterProfilePrefs(registry);
299  IncognitoModePrefs::RegisterProfilePrefs(registry);
300  InstantUI::RegisterProfilePrefs(registry);
301  MediaCaptureDevicesDispatcher::RegisterProfilePrefs(registry);
302  MediaStreamDevicesController::RegisterProfilePrefs(registry);
303  NetPrefObserver::RegisterProfilePrefs(registry);
304  NewTabUI::RegisterProfilePrefs(registry);
305  PasswordGenerationManager::RegisterProfilePrefs(registry);
306  PasswordManager::RegisterProfilePrefs(registry);
307  PrefProxyConfigTrackerImpl::RegisterProfilePrefs(registry);
308  PrefsTabHelper::RegisterProfilePrefs(registry);
309  Profile::RegisterProfilePrefs(registry);
310  ProfileImpl::RegisterProfilePrefs(registry);
311  PromoResourceService::RegisterProfilePrefs(registry);
312  ProtocolHandlerRegistry::RegisterProfilePrefs(registry);
313  RegisterBrowserUserPrefs(registry);
314  SessionStartupPref::RegisterProfilePrefs(registry);
315  TemplateURLPrepopulateData::RegisterProfilePrefs(registry);
316  TranslatePrefs::RegisterProfilePrefs(registry);
317
318#if defined(ENABLE_CONFIGURATION_POLICY)
319  policy::URLBlacklistManager::RegisterProfilePrefs(registry);
320#endif
321
322#if defined(ENABLE_MANAGED_USERS)
323  ManagedUserService::RegisterProfilePrefs(registry);
324  ManagedUserSyncService::RegisterProfilePrefs(registry);
325#endif
326
327#if defined(ENABLE_NOTIFICATIONS)
328  DesktopNotificationService::RegisterProfilePrefs(registry);
329#endif
330
331#if defined(TOOLKIT_VIEWS)
332  RegisterInvertBubbleUserPrefs(registry);
333#elif defined(TOOLKIT_GTK)
334  BrowserWindowGtk::RegisterProfilePrefs(registry);
335#endif
336
337#if defined(OS_ANDROID)
338  PromoHandler::RegisterProfilePrefs(registry);
339#endif
340
341#if defined(USE_ASH)
342  ash::RegisterChromeLauncherUserPrefs(registry);
343#endif
344
345#if !defined(OS_ANDROID)
346  CloudPrintURL::RegisterProfilePrefs(registry);
347  DeviceIDFetcher::RegisterProfilePrefs(registry);
348  DevToolsWindow::RegisterProfilePrefs(registry);
349  extensions::CommandService::RegisterProfilePrefs(registry);
350  extensions::ExtensionSettingsHandler::RegisterProfilePrefs(registry);
351  extensions::TabsCaptureVisibleTabFunction::RegisterProfilePrefs(registry);
352  first_run::RegisterProfilePrefs(registry);
353  PepperFlashSettingsManager::RegisterProfilePrefs(registry);
354  PinnedTabCodec::RegisterProfilePrefs(registry);
355  PluginsUI::RegisterProfilePrefs(registry);
356  print_dialog_cloud::RegisterProfilePrefs(registry);
357  printing::StickySettings::RegisterProfilePrefs(registry);
358  RegisterAutolaunchUserPrefs(registry);
359  signin::RegisterProfilePrefs(registry);
360#endif
361
362#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
363  default_apps::RegisterProfilePrefs(registry);
364#endif
365
366#if defined(OS_CHROMEOS)
367  chromeos::Preferences::RegisterProfilePrefs(registry);
368  chromeos::proxy_config::RegisterProfilePrefs(registry);
369  extensions::EnterprisePlatformKeysPrivateChallengeUserKeyFunction::
370      RegisterProfilePrefs(registry);
371  FlagsUI::RegisterProfilePrefs(registry);
372#endif
373
374#if defined(OS_WIN)
375  NetworkProfileBubble::RegisterProfilePrefs(registry);
376#endif
377
378#if defined(OS_MACOSX)
379  RegisterBrowserActionsControllerProfilePrefs(registry);
380#endif
381
382  // Prefs registered only for migration (clearing or moving to a new
383  // key) go here.
384  registry->RegisterDictionaryPref(
385      kBackupPref,
386      new DictionaryValue(),
387      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
388  registry->RegisterListPref(
389      kChromeToMobilePref,
390      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
391}
392
393void RegisterUserProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
394  RegisterProfilePrefs(registry);
395
396#if defined(OS_CHROMEOS)
397  chromeos::PowerPrefs::RegisterUserProfilePrefs(registry);
398#endif
399}
400
401#if defined(OS_CHROMEOS)
402void RegisterLoginProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
403  RegisterProfilePrefs(registry);
404
405  chromeos::PowerPrefs::RegisterLoginProfilePrefs(registry);
406}
407#endif
408
409void MigrateUserPrefs(Profile* profile) {
410  PrefService* prefs = profile->GetPrefs();
411
412  // Cleanup prefs from now-removed protector feature.
413  prefs->ClearPref(kBackupPref);
414
415  // Cleanup prefs from now-removed Chrome To Mobile feature.
416  prefs->ClearPref(kChromeToMobilePref);
417
418  PrefsTabHelper::MigrateUserPrefs(prefs);
419  PromoResourceService::MigrateUserPrefs(prefs);
420  TranslatePrefs::MigrateUserPrefs(prefs);
421}
422
423void MigrateBrowserPrefs(Profile* profile, PrefService* local_state) {
424  // Copy pref values which have been migrated to user_prefs from local_state,
425  // or remove them from local_state outright, if copying is not required.
426  int current_version =
427      local_state->GetInteger(prefs::kMultipleProfilePrefMigration);
428  PrefRegistrySimple* registry = static_cast<PrefRegistrySimple*>(
429      local_state->DeprecatedGetPrefRegistry());
430
431  if (!(current_version & DNS_PREFS)) {
432    registry->RegisterListPref(prefs::kDnsStartupPrefetchList);
433    local_state->ClearPref(prefs::kDnsStartupPrefetchList);
434
435    registry->RegisterListPref(prefs::kDnsHostReferralList);
436    local_state->ClearPref(prefs::kDnsHostReferralList);
437
438    current_version |= DNS_PREFS;
439    local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
440                            current_version);
441  }
442
443  PrefService* user_prefs = profile->GetPrefs();
444  if (!(current_version & WINDOWS_PREFS)) {
445    registry->RegisterIntegerPref(prefs::kDevToolsHSplitLocation, -1);
446    if (local_state->HasPrefPath(prefs::kDevToolsHSplitLocation)) {
447      user_prefs->SetInteger(
448          prefs::kDevToolsHSplitLocation,
449          local_state->GetInteger(prefs::kDevToolsHSplitLocation));
450    }
451    local_state->ClearPref(prefs::kDevToolsHSplitLocation);
452
453    registry->RegisterDictionaryPref(prefs::kBrowserWindowPlacement);
454    if (local_state->HasPrefPath(prefs::kBrowserWindowPlacement)) {
455      const PrefService::Preference* pref =
456          local_state->FindPreference(prefs::kBrowserWindowPlacement);
457      DCHECK(pref);
458      user_prefs->Set(prefs::kBrowserWindowPlacement,
459                      *(pref->GetValue()));
460    }
461    local_state->ClearPref(prefs::kBrowserWindowPlacement);
462
463    current_version |= WINDOWS_PREFS;
464    local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
465                            current_version);
466  }
467
468  if (!(current_version & GOOGLE_URL_TRACKER_PREFS)) {
469    GoogleURLTrackerFactory::GetInstance()->RegisterUserPrefsOnBrowserContext(
470        profile);
471    registry->RegisterStringPref(prefs::kLastKnownGoogleURL,
472                                 GoogleURLTracker::kDefaultGoogleHomepage);
473    if (local_state->HasPrefPath(prefs::kLastKnownGoogleURL)) {
474      user_prefs->SetString(prefs::kLastKnownGoogleURL,
475                            local_state->GetString(prefs::kLastKnownGoogleURL));
476    }
477    local_state->ClearPref(prefs::kLastKnownGoogleURL);
478
479    registry->RegisterStringPref(prefs::kLastPromptedGoogleURL,
480                                 std::string());
481    if (local_state->HasPrefPath(prefs::kLastPromptedGoogleURL)) {
482      user_prefs->SetString(
483          prefs::kLastPromptedGoogleURL,
484          local_state->GetString(prefs::kLastPromptedGoogleURL));
485    }
486    local_state->ClearPref(prefs::kLastPromptedGoogleURL);
487
488    current_version |= GOOGLE_URL_TRACKER_PREFS;
489    local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
490                            current_version);
491  }
492}
493
494}  // namespace chrome
495