src/chrome/browser/sync/profile_sync_components_factory_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/command_line.h"
   6 #include "build/build_config.h"
   7 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
   8 #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
   9 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
  10 #include "chrome/browser/history/history_service.h"
  11 #include "chrome/browser/history/history_service_factory.h"
  12 #include "chrome/browser/notifications/sync_notifier/chrome_notifier_service.h"
  13 #include "chrome/browser/notifications/sync_notifier/chrome_notifier_service_factory.h"
  14 #include "chrome/browser/password_manager/password_store_factory.h"
  15 #include "chrome/browser/pref_service_flags_storage.h"
  16 #include "chrome/browser/prefs/pref_model_associator.h"
  17 #include "chrome/browser/prefs/pref_service_syncable.h"
  18 #include "chrome/browser/profiles/profile.h"
  19 #include "chrome/browser/search_engines/template_url_service_factory.h"
  20 #include "chrome/browser/signin/signin_manager_factory.h"
  21 #include "chrome/browser/sync/glue/autofill_data_type_controller.h"
  22 #include "chrome/browser/sync/glue/autofill_profile_data_type_controller.h"
  23 #include "chrome/browser/sync/glue/bookmark_change_processor.h"
  24 #include "chrome/browser/sync/glue/bookmark_data_type_controller.h"
  25 #include "chrome/browser/sync/glue/bookmark_model_associator.h"
  26 #include "chrome/browser/sync/glue/chrome_report_unrecoverable_error.h"
  27 #include "chrome/browser/sync/glue/extension_backed_data_type_controller.h"
  28 #include "chrome/browser/sync/glue/extension_data_type_controller.h"
  29 #include "chrome/browser/sync/glue/extension_setting_data_type_controller.h"
  30 #include "chrome/browser/sync/glue/local_device_info_provider_impl.h"
  31 #include "chrome/browser/sync/glue/password_data_type_controller.h"
  32 #include "chrome/browser/sync/glue/search_engine_data_type_controller.h"
  33 #include "chrome/browser/sync/glue/sync_backend_host.h"
  34 #include "chrome/browser/sync/glue/sync_backend_host_impl.h"
  35 #include "chrome/browser/sync/glue/theme_data_type_controller.h"
  36 #include "chrome/browser/sync/glue/typed_url_change_processor.h"
  37 #include "chrome/browser/sync/glue/typed_url_data_type_controller.h"
  38 #include "chrome/browser/sync/glue/typed_url_model_associator.h"
  39 #include "chrome/browser/sync/profile_sync_components_factory_impl.h"
  40 #include "chrome/browser/sync/profile_sync_service.h"
  41 #include "chrome/browser/sync/profile_sync_service_factory.h"
  42 #include "chrome/browser/sync/sessions/session_data_type_controller.h"
  43 #include "chrome/browser/themes/theme_service.h"
  44 #include "chrome/browser/themes/theme_service_factory.h"
  45 #include "chrome/browser/themes/theme_syncable_service.h"
  46 #include "chrome/browser/webdata/autocomplete_syncable_service.h"
  47 #include "chrome/browser/webdata/web_data_service_factory.h"
  48 #include "chrome/common/chrome_switches.h"
  49 #include "chrome/common/chrome_version_info.h"
  50 #include "chrome/common/pref_names.h"
  51 #include "components/autofill/core/browser/webdata/autofill_profile_syncable_service.h"
  52 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
  53 #include "components/dom_distiller/core/dom_distiller_service.h"
  54 #include "components/password_manager/core/browser/password_store.h"
  55 #include "components/search_engines/template_url_service.h"
  56 #include "components/signin/core/browser/signin_manager.h"
  57 #include "components/sync_driver/data_type_manager_impl.h"
  58 #include "components/sync_driver/data_type_manager_observer.h"
  59 #include "components/sync_driver/generic_change_processor.h"
  60 #include "components/sync_driver/proxy_data_type_controller.h"
  61 #include "components/sync_driver/shared_change_processor.h"
  62 #include "components/sync_driver/ui_data_type_controller.h"
  63 #include "content/public/browser/browser_thread.h"
  64 #include "google_apis/gaia/oauth2_token_service_request.h"
  65 #include "net/url_request/url_request_context_getter.h"
  66 #include "sync/api/attachments/fake_attachment_store.h"
  67 #include "sync/api/syncable_service.h"
  68 #include "sync/internal_api/public/attachments/attachment_downloader.h"
  69 #include "sync/internal_api/public/attachments/attachment_service.h"
  70 #include "sync/internal_api/public/attachments/attachment_service_impl.h"
  71 #include "sync/internal_api/public/attachments/attachment_uploader_impl.h"
  72
  73 #if defined(ENABLE_APP_LIST)
  74 #include "chrome/browser/ui/app_list/app_list_syncable_service.h"
  75 #include "chrome/browser/ui/app_list/app_list_syncable_service_factory.h"
  76 #include "ui/app_list/app_list_switches.h"
  77 #endif
  78
  79 #if defined(ENABLE_EXTENSIONS)
  80 #include "chrome/browser/extensions/api/storage/settings_sync_util.h"
  81 #include "chrome/browser/extensions/api/synced_notifications_private/synced_notifications_shim.h"
  82 #include "chrome/browser/extensions/extension_sync_service.h"
  83 #endif
  84
  85 #if defined(ENABLE_MANAGED_USERS)
  86 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
  87 #include "chrome/browser/supervised_user/supervised_user_settings_service_factory.h"
  88 #include "chrome/browser/supervised_user/supervised_user_shared_settings_service.h"
  89 #include "chrome/browser/supervised_user/supervised_user_shared_settings_service_factory.h"
  90 #include "chrome/browser/supervised_user/supervised_user_sync_data_type_controller.h"
  91 #include "chrome/browser/supervised_user/supervised_user_sync_service.h"
  92 #include "chrome/browser/supervised_user/supervised_user_sync_service_factory.h"
  93 #endif
  94
  95 #if defined(ENABLE_SPELLCHECK)
  96 #include "chrome/browser/spellchecker/spellcheck_factory.h"
  97 #include "chrome/browser/spellchecker/spellcheck_service.h"
  98 #endif
  99
 100 using browser_sync::AutofillDataTypeController;
 101 using browser_sync::AutofillProfileDataTypeController;
 102 using browser_sync::BookmarkChangeProcessor;
 103 using browser_sync::BookmarkDataTypeController;
 104 using browser_sync::BookmarkModelAssociator;
 105 using browser_sync::ChromeReportUnrecoverableError;
 106 using browser_sync::ExtensionBackedDataTypeController;
 107 using browser_sync::ExtensionDataTypeController;
 108 using browser_sync::ExtensionSettingDataTypeController;
 109 using browser_sync::PasswordDataTypeController;
 110 using browser_sync::SearchEngineDataTypeController;
 111 using browser_sync::SessionDataTypeController;
 112 using browser_sync::SyncBackendHost;
 113 using browser_sync::ThemeDataTypeController;
 114 using browser_sync::TypedUrlChangeProcessor;
 115 using browser_sync::TypedUrlDataTypeController;
 116 using browser_sync::TypedUrlModelAssociator;
 117 using content::BrowserThread;
 118 using sync_driver::DataTypeController;
 119 using sync_driver::DataTypeErrorHandler;
 120 using sync_driver::DataTypeManager;
 121 using sync_driver::DataTypeManagerImpl;
 122 using sync_driver::DataTypeManagerObserver;
 123 using sync_driver::ProxyDataTypeController;
 124 using sync_driver::SharedChangeProcessor;
 125 using sync_driver::UIDataTypeController;
 126
 127 namespace {
 128
 129 syncer::ModelTypeSet GetDisabledTypesFromCommandLine(
 130     const CommandLine& command_line) {
 131   syncer::ModelTypeSet disabled_types;
 132   std::string disabled_types_str =
 133       command_line.GetSwitchValueASCII(switches::kDisableSyncTypes);
 134   disabled_types = syncer::ModelTypeSetFromString(disabled_types_str);
 135   return disabled_types;
 136 }
 137
 138 syncer::ModelTypeSet GetEnabledTypesFromCommandLine(
 139     const CommandLine& command_line) {
 140   syncer::ModelTypeSet enabled_types;
 141   if (command_line.HasSwitch(switches::kEnableSyncSyncedNotifications)) {
 142     enabled_types.Put(syncer::SYNCED_NOTIFICATIONS);
 143   }
 144   return enabled_types;
 145 }
 146
 147 }  // namespace
 148
 149 ProfileSyncComponentsFactoryImpl::ProfileSyncComponentsFactoryImpl(
 150     Profile* profile,
 151     CommandLine* command_line,
 152     const GURL& sync_service_url,
 153     OAuth2TokenService* token_service,
 154     net::URLRequestContextGetter* url_request_context_getter)
 155     : profile_(profile),
 156       command_line_(command_line),
 157       web_data_service_(WebDataServiceFactory::GetAutofillWebDataForProfile(
 158           profile_, Profile::EXPLICIT_ACCESS)),
 159       sync_service_url_(sync_service_url),
 160       token_service_(token_service),
 161       url_request_context_getter_(url_request_context_getter),
 162       weak_factory_(this) {
 163   DCHECK(token_service_);
 164   DCHECK(url_request_context_getter_);
 165 }
 166
 167 ProfileSyncComponentsFactoryImpl::~ProfileSyncComponentsFactoryImpl() {
 168 }
 169
 170 void ProfileSyncComponentsFactoryImpl::RegisterDataTypes(
 171     ProfileSyncService* pss) {
 172   syncer::ModelTypeSet disabled_types =
 173       GetDisabledTypesFromCommandLine(*command_line_);
 174   syncer::ModelTypeSet enabled_types =
 175       GetEnabledTypesFromCommandLine(*command_line_);
 176   RegisterCommonDataTypes(disabled_types, enabled_types, pss);
 177 #if !defined(OS_ANDROID)
 178   RegisterDesktopDataTypes(disabled_types, enabled_types, pss);
 179 #endif
 180 }
 181
 182 void ProfileSyncComponentsFactoryImpl::RegisterCommonDataTypes(
 183     syncer::ModelTypeSet disabled_types,
 184     syncer::ModelTypeSet enabled_types,
 185     ProfileSyncService* pss) {
 186   // Autofill sync is enabled by default.  Register unless explicitly
 187   // disabled.
 188   if (!disabled_types.Has(syncer::AUTOFILL)) {
 189     pss->RegisterDataTypeController(
 190         new AutofillDataTypeController(this, profile_));
 191   }
 192
 193   // Autofill profile sync is enabled by default.  Register unless explicitly
 194   // disabled.
 195   if (!disabled_types.Has(syncer::AUTOFILL_PROFILE)) {
 196     pss->RegisterDataTypeController(
 197         new AutofillProfileDataTypeController(this, profile_));
 198   }
 199
 200   // Bookmark sync is enabled by default.  Register unless explicitly
 201   // disabled.
 202   if (!disabled_types.Has(syncer::BOOKMARKS)) {
 203     pss->RegisterDataTypeController(
 204         new BookmarkDataTypeController(this, profile_, pss));
 205   }
 206
 207   // TypedUrl sync is enabled by default.  Register unless explicitly disabled,
 208   // or if saving history is disabled.
 209   if (!profile_->GetPrefs()->GetBoolean(prefs::kSavingBrowserHistoryDisabled) &&
 210       !disabled_types.Has(syncer::TYPED_URLS)) {
 211     pss->RegisterDataTypeController(
 212         new TypedUrlDataTypeController(this, profile_, pss));
 213   }
 214
 215   // Delete directive sync is enabled by default.  Register unless full history
 216   // sync is disabled.
 217   if (!disabled_types.Has(syncer::HISTORY_DELETE_DIRECTIVES)) {
 218     pss->RegisterDataTypeController(
 219         new UIDataTypeController(
 220             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 221             base::Bind(&ChromeReportUnrecoverableError),
 222             syncer::HISTORY_DELETE_DIRECTIVES,
 223             this));
 224   }
 225
 226   // Session sync is enabled by default.  Register unless explicitly disabled.
 227   if (!disabled_types.Has(syncer::PROXY_TABS)) {
 228     pss->RegisterDataTypeController(new ProxyDataTypeController(
 229         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 230         syncer::PROXY_TABS));
 231     pss->RegisterDataTypeController(
 232         new SessionDataTypeController(this,
 233                                       profile_,
 234                                       pss->GetSyncedWindowDelegatesGetter(),
 235                                       pss->GetLocalDeviceInfoProvider()));
 236   }
 237
 238   // Favicon sync is enabled by default. Register unless explicitly disabled.
 239   if (!disabled_types.Has(syncer::FAVICON_IMAGES) &&
 240       !disabled_types.Has(syncer::FAVICON_TRACKING)) {
 241     pss->RegisterDataTypeController(
 242         new UIDataTypeController(
 243             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 244             base::Bind(&ChromeReportUnrecoverableError),
 245             syncer::FAVICON_IMAGES,
 246             this));
 247     pss->RegisterDataTypeController(
 248         new UIDataTypeController(
 249             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 250             base::Bind(&ChromeReportUnrecoverableError),
 251             syncer::FAVICON_TRACKING,
 252             this));
 253   }
 254
 255   // Password sync is enabled by default.  Register unless explicitly
 256   // disabled.
 257   if (!disabled_types.Has(syncer::PASSWORDS)) {
 258     pss->RegisterDataTypeController(
 259         new PasswordDataTypeController(this, profile_));
 260   }
 261
 262   // Article sync is disabled by default.  Register only if explicitly enabled.
 263   if (IsEnableSyncArticlesSet()) {
 264     pss->RegisterDataTypeController(
 265         new UIDataTypeController(
 266             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 267             base::Bind(&ChromeReportUnrecoverableError),
 268             syncer::ARTICLES,
 269             this));
 270   }
 271
 272 #if defined(ENABLE_MANAGED_USERS)
 273   pss->RegisterDataTypeController(
 274       new SupervisedUserSyncDataTypeController(
 275           syncer::SUPERVISED_USER_SETTINGS,
 276           this,
 277           profile_));
 278   pss->RegisterDataTypeController(
 279       new SupervisedUserSyncDataTypeController(
 280           syncer::SUPERVISED_USERS,
 281           this,
 282           profile_));
 283   pss->RegisterDataTypeController(
 284       new SupervisedUserSyncDataTypeController(
 285           syncer::SUPERVISED_USER_SHARED_SETTINGS,
 286           this,
 287           profile_));
 288 #endif
 289 }
 290
 291 void ProfileSyncComponentsFactoryImpl::RegisterDesktopDataTypes(
 292     syncer::ModelTypeSet disabled_types,
 293     syncer::ModelTypeSet enabled_types,
 294     ProfileSyncService* pss) {
 295   // App sync is enabled by default.  Register unless explicitly
 296   // disabled.
 297   if (!disabled_types.Has(syncer::APPS)) {
 298     pss->RegisterDataTypeController(
 299         new ExtensionDataTypeController(syncer::APPS, this, profile_));
 300   }
 301
 302   // Extension sync is enabled by default.  Register unless explicitly
 303   // disabled.
 304   if (!disabled_types.Has(syncer::EXTENSIONS)) {
 305     pss->RegisterDataTypeController(
 306         new ExtensionDataTypeController(syncer::EXTENSIONS, this, profile_));
 307   }
 308
 309   // Preference sync is enabled by default.  Register unless explicitly
 310   // disabled.
 311   if (!disabled_types.Has(syncer::PREFERENCES)) {
 312     pss->RegisterDataTypeController(
 313         new UIDataTypeController(
 314             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 315             base::Bind(&ChromeReportUnrecoverableError),
 316             syncer::PREFERENCES,
 317             this));
 318   }
 319
 320   if (!disabled_types.Has(syncer::PRIORITY_PREFERENCES)) {
 321     pss->RegisterDataTypeController(
 322         new UIDataTypeController(
 323             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 324             base::Bind(&ChromeReportUnrecoverableError),
 325             syncer::PRIORITY_PREFERENCES,
 326             this));
 327   }
 328
 329 #if defined(ENABLE_THEMES)
 330   // Theme sync is enabled by default.  Register unless explicitly disabled.
 331   if (!disabled_types.Has(syncer::THEMES)) {
 332     pss->RegisterDataTypeController(
 333         new ThemeDataTypeController(this, profile_));
 334   }
 335 #endif
 336
 337   // Search Engine sync is enabled by default.  Register unless explicitly
 338   // disabled.
 339   if (!disabled_types.Has(syncer::SEARCH_ENGINES)) {
 340     pss->RegisterDataTypeController(
 341         new SearchEngineDataTypeController(this, profile_));
 342   }
 343
 344   // Extension setting sync is enabled by default.  Register unless explicitly
 345   // disabled.
 346   if (!disabled_types.Has(syncer::EXTENSION_SETTINGS)) {
 347     pss->RegisterDataTypeController(new ExtensionSettingDataTypeController(
 348         syncer::EXTENSION_SETTINGS, this, profile_));
 349   }
 350
 351   // App setting sync is enabled by default.  Register unless explicitly
 352   // disabled.
 353   if (!disabled_types.Has(syncer::APP_SETTINGS)) {
 354     pss->RegisterDataTypeController(new ExtensionSettingDataTypeController(
 355         syncer::APP_SETTINGS, this, profile_));
 356   }
 357
 358 #if defined(ENABLE_APP_LIST)
 359   if (app_list::switches::IsAppListSyncEnabled()) {
 360     pss->RegisterDataTypeController(
 361         new UIDataTypeController(
 362             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 363             base::Bind(&ChromeReportUnrecoverableError),
 364             syncer::APP_LIST,
 365             this));
 366   }
 367 #endif
 368
 369   // Synced Notifications are disabled by default.
 370 #if defined(ENABLE_EXTENSIONS) && defined(ENABLE_NOTIFICATIONS)
 371   if (enabled_types.Has(syncer::SYNCED_NOTIFICATIONS)) {
 372     pss->RegisterDataTypeController(
 373         new ExtensionBackedDataTypeController(
 374               syncer::SYNCED_NOTIFICATIONS,
 375               "",  // TODO(dewittj): pass the extension hash here.
 376               this,
 377               profile_));
 378
 379     pss->RegisterDataTypeController(
 380         new ExtensionBackedDataTypeController(
 381               syncer::SYNCED_NOTIFICATION_APP_INFO,
 382               "",  // TODO(dewittj): pass the extension hash here.
 383               this,
 384               profile_));
 385   }
 386 #endif
 387
 388 #if defined(OS_LINUX) || defined(OS_WIN) || defined(OS_CHROMEOS)
 389   // Dictionary sync is enabled by default.
 390   if (!disabled_types.Has(syncer::DICTIONARY)) {
 391     pss->RegisterDataTypeController(
 392         new UIDataTypeController(
 393             BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 394             base::Bind(&ChromeReportUnrecoverableError),
 395             syncer::DICTIONARY,
 396             this));
 397   }
 398 #endif
 399 }
 400
 401 DataTypeManager* ProfileSyncComponentsFactoryImpl::CreateDataTypeManager(
 402     const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
 403         debug_info_listener,
 404     const DataTypeController::TypeMap* controllers,
 405     const sync_driver::DataTypeEncryptionHandler* encryption_handler,
 406     SyncBackendHost* backend,
 407     DataTypeManagerObserver* observer,
 408     sync_driver::FailedDataTypesHandler* failed_data_types_handler) {
 409   return new DataTypeManagerImpl(base::Bind(ChromeReportUnrecoverableError),
 410                                  debug_info_listener,
 411                                  controllers,
 412                                  encryption_handler,
 413                                  backend,
 414                                  observer,
 415                                  failed_data_types_handler);
 416 }
 417
 418 browser_sync::SyncBackendHost*
 419 ProfileSyncComponentsFactoryImpl::CreateSyncBackendHost(
 420     const std::string& name,
 421     Profile* profile,
 422     invalidation::InvalidationService* invalidator,
 423     const base::WeakPtr<sync_driver::SyncPrefs>& sync_prefs,
 424     const base::FilePath& sync_folder) {
 425   return new browser_sync::SyncBackendHostImpl(name, profile, invalidator,
 426                                                sync_prefs, sync_folder);
 427 }
 428
 429 scoped_ptr<browser_sync::LocalDeviceInfoProvider>
 430 ProfileSyncComponentsFactoryImpl::CreateLocalDeviceInfoProvider() {
 431   return scoped_ptr<browser_sync::LocalDeviceInfoProvider>(
 432       new browser_sync::LocalDeviceInfoProviderImpl());
 433 }
 434
 435 base::WeakPtr<syncer::SyncableService> ProfileSyncComponentsFactoryImpl::
 436     GetSyncableServiceForType(syncer::ModelType type) {
 437   if (!profile_) {  // For tests.
 438      return base::WeakPtr<syncer::SyncableService>();
 439   }
 440   switch (type) {
 441     case syncer::PREFERENCES:
 442       return PrefServiceSyncable::FromProfile(
 443           profile_)->GetSyncableService(syncer::PREFERENCES)->AsWeakPtr();
 444     case syncer::PRIORITY_PREFERENCES:
 445       return PrefServiceSyncable::FromProfile(profile_)->GetSyncableService(
 446           syncer::PRIORITY_PREFERENCES)->AsWeakPtr();
 447     case syncer::AUTOFILL:
 448     case syncer::AUTOFILL_PROFILE: {
 449       if (!web_data_service_.get())
 450         return base::WeakPtr<syncer::SyncableService>();
 451       if (type == syncer::AUTOFILL) {
 452         return AutocompleteSyncableService::FromWebDataService(
 453             web_data_service_.get())->AsWeakPtr();
 454       } else {
 455         return autofill::AutofillProfileSyncableService::FromWebDataService(
 456             web_data_service_.get())->AsWeakPtr();
 457       }
 458     }
 459     case syncer::SEARCH_ENGINES:
 460       return TemplateURLServiceFactory::GetForProfile(profile_)->AsWeakPtr();
 461 #if defined(ENABLE_EXTENSIONS)
 462     case syncer::APPS:
 463     case syncer::EXTENSIONS:
 464       return ExtensionSyncService::Get(profile_)->AsWeakPtr();
 465     case syncer::APP_SETTINGS:
 466     case syncer::EXTENSION_SETTINGS:
 467       return extensions::settings_sync_util::GetSyncableService(profile_, type)
 468           ->AsWeakPtr();
 469 #endif
 470 #if defined(ENABLE_APP_LIST)
 471     case syncer::APP_LIST:
 472       return app_list::AppListSyncableServiceFactory::GetForProfile(profile_)->
 473           AsWeakPtr();
 474 #endif
 475 #if defined(ENABLE_THEMES)
 476     case syncer::THEMES:
 477       return ThemeServiceFactory::GetForProfile(profile_)->
 478           GetThemeSyncableService()->AsWeakPtr();
 479 #endif
 480     case syncer::HISTORY_DELETE_DIRECTIVES: {
 481       HistoryService* history =
 482           HistoryServiceFactory::GetForProfile(
 483               profile_, Profile::EXPLICIT_ACCESS);
 484       return history ? history->AsWeakPtr() : base::WeakPtr<HistoryService>();
 485     }
 486 #if defined(ENABLE_EXTENSIONS)
 487     case syncer::SYNCED_NOTIFICATIONS:
 488     case syncer::SYNCED_NOTIFICATION_APP_INFO: {
 489       return notifier::ChromeNotifierServiceFactory::GetForProfile(
 490                  profile_, Profile::IMPLICIT_ACCESS)
 491           ->GetSyncedNotificationsShim()
 492           ->AsWeakPtr();
 493     }
 494 #endif
 495 #if defined(ENABLE_SPELLCHECK)
 496     case syncer::DICTIONARY:
 497       return SpellcheckServiceFactory::GetForContext(profile_)->
 498           GetCustomDictionary()->AsWeakPtr();
 499 #endif
 500     case syncer::FAVICON_IMAGES:
 501     case syncer::FAVICON_TRACKING: {
 502       browser_sync::FaviconCache* favicons =
 503           ProfileSyncServiceFactory::GetForProfile(profile_)->
 504               GetFaviconCache();
 505       return favicons ? favicons->AsWeakPtr()
 506                       : base::WeakPtr<syncer::SyncableService>();
 507     }
 508 #if defined(ENABLE_MANAGED_USERS)
 509     case syncer::SUPERVISED_USER_SETTINGS:
 510       return SupervisedUserSettingsServiceFactory::GetForProfile(profile_)->
 511           AsWeakPtr();
 512     case syncer::SUPERVISED_USERS:
 513       return SupervisedUserSyncServiceFactory::GetForProfile(profile_)->
 514           AsWeakPtr();
 515     case syncer::SUPERVISED_USER_SHARED_SETTINGS:
 516       return SupervisedUserSharedSettingsServiceFactory::GetForBrowserContext(
 517           profile_)->AsWeakPtr();
 518 #endif
 519     case syncer::ARTICLES: {
 520       dom_distiller::DomDistillerService* service =
 521           dom_distiller::DomDistillerServiceFactory::GetForBrowserContext(
 522               profile_);
 523       if (service)
 524         return service->GetSyncableService()->AsWeakPtr();
 525       return base::WeakPtr<syncer::SyncableService>();
 526     }
 527     case syncer::SESSIONS: {
 528       return ProfileSyncServiceFactory::GetForProfile(profile_)->
 529           GetSessionsSyncableService()->AsWeakPtr();
 530     }
 531     case syncer::PASSWORDS: {
 532 #if defined(PASSWORD_MANAGER_ENABLE_SYNC)
 533       password_manager::PasswordStore* password_store =
 534           PasswordStoreFactory::GetForProfile(profile_,
 535                                               Profile::EXPLICIT_ACCESS);
 536       return password_store ? password_store->GetPasswordSyncableService()
 537                             : base::WeakPtr<syncer::SyncableService>();
 538 #else
 539       return base::WeakPtr<syncer::SyncableService>();
 540 #endif
 541     }
 542     default:
 543       // The following datatypes still need to be transitioned to the
 544       // syncer::SyncableService API:
 545       // Bookmarks
 546       // Typed URLs
 547       NOTREACHED();
 548       return base::WeakPtr<syncer::SyncableService>();
 549   }
 550 }
 551
 552 class TokenServiceProvider
 553     : public OAuth2TokenServiceRequest::TokenServiceProvider {
 554  public:
 555   TokenServiceProvider(
 556       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
 557       OAuth2TokenService* token_service);
 558
 559   // OAuth2TokenServiceRequest::TokenServiceProvider implementation.
 560   virtual scoped_refptr<base::SingleThreadTaskRunner>
 561       GetTokenServiceTaskRunner() OVERRIDE;
 562   virtual OAuth2TokenService* GetTokenService() OVERRIDE;
 563
 564  private:
 565   virtual ~TokenServiceProvider();
 566
 567   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 568   OAuth2TokenService* token_service_;
 569 };
 570
 571 TokenServiceProvider::TokenServiceProvider(
 572     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
 573     OAuth2TokenService* token_service)
 574     : task_runner_(task_runner), token_service_(token_service) {
 575 }
 576
 577 TokenServiceProvider::~TokenServiceProvider() {
 578 }
 579
 580 scoped_refptr<base::SingleThreadTaskRunner>
 581 TokenServiceProvider::GetTokenServiceTaskRunner() {
 582   return task_runner_;
 583 }
 584
 585 OAuth2TokenService* TokenServiceProvider::GetTokenService() {
 586   return token_service_;
 587 }
 588
 589 scoped_ptr<syncer::AttachmentService>
 590 ProfileSyncComponentsFactoryImpl::CreateAttachmentService(
 591     const syncer::UserShare& user_share,
 592     syncer::AttachmentService::Delegate* delegate) {
 593
 594   scoped_ptr<syncer::AttachmentStore> attachment_store(
 595       new syncer::FakeAttachmentStore(
 596           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)));
 597
 598   scoped_ptr<syncer::AttachmentUploader> attachment_uploader;
 599   scoped_ptr<syncer::AttachmentDownloader> attachment_downloader;
 600   // Only construct an AttachmentUploader and AttachmentDownload if we have sync
 601   // credentials. We may not have sync credentials because there may not be a
 602   // signed in sync user (e.g. sync is running in "backup" mode).
 603   if (!user_share.sync_credentials.email.empty() &&
 604       !user_share.sync_credentials.scope_set.empty()) {
 605     scoped_refptr<OAuth2TokenServiceRequest::TokenServiceProvider>
 606         token_service_provider(new TokenServiceProvider(
 607             content::BrowserThread::GetMessageLoopProxyForThread(
 608                 content::BrowserThread::UI),
 609             token_service_));
 610     // TODO(maniscalco): Use shared (one per profile) thread-safe instances of
 611     // AttachmentUploader and AttachmentDownloader instead of creating a new one
 612     // per AttachmentService (bug 369536).
 613     attachment_uploader.reset(new syncer::AttachmentUploaderImpl(
 614         sync_service_url_,
 615         url_request_context_getter_,
 616         user_share.sync_credentials.email,
 617         user_share.sync_credentials.scope_set,
 618         token_service_provider));
 619
 620     token_service_provider = new TokenServiceProvider(
 621         content::BrowserThread::GetMessageLoopProxyForThread(
 622             content::BrowserThread::UI),
 623         token_service_);
 624     attachment_downloader = syncer::AttachmentDownloader::Create(
 625         sync_service_url_,
 626         url_request_context_getter_,
 627         user_share.sync_credentials.email,
 628         user_share.sync_credentials.scope_set,
 629         token_service_provider);
 630   }
 631
 632   scoped_ptr<syncer::AttachmentService> attachment_service(
 633       new syncer::AttachmentServiceImpl(attachment_store.Pass(),
 634                                         attachment_uploader.Pass(),
 635                                         attachment_downloader.Pass(),
 636                                         delegate));
 637
 638   return attachment_service.Pass();
 639 }
 640
 641 ProfileSyncComponentsFactory::SyncComponents
 642     ProfileSyncComponentsFactoryImpl::CreateBookmarkSyncComponents(
 643         ProfileSyncService* profile_sync_service,
 644         sync_driver::DataTypeErrorHandler* error_handler) {
 645   BookmarkModel* bookmark_model =
 646       BookmarkModelFactory::GetForProfile(profile_sync_service->profile());
 647   syncer::UserShare* user_share = profile_sync_service->GetUserShare();
 648   // TODO(akalin): We may want to propagate this switch up eventually.
 649 #if defined(OS_ANDROID)
 650   const bool kExpectMobileBookmarksFolder = true;
 651 #else
 652   const bool kExpectMobileBookmarksFolder = false;
 653 #endif
 654   BookmarkModelAssociator* model_associator =
 655       new BookmarkModelAssociator(bookmark_model,
 656                                   profile_sync_service->profile(),
 657                                   user_share,
 658                                   error_handler,
 659                                   kExpectMobileBookmarksFolder);
 660   BookmarkChangeProcessor* change_processor =
 661       new BookmarkChangeProcessor(profile_sync_service->profile(),
 662                                   model_associator,
 663                                   error_handler);
 664   return SyncComponents(model_associator, change_processor);
 665 }
 666
 667 ProfileSyncComponentsFactory::SyncComponents
 668     ProfileSyncComponentsFactoryImpl::CreateTypedUrlSyncComponents(
 669         ProfileSyncService* profile_sync_service,
 670         history::HistoryBackend* history_backend,
 671         sync_driver::DataTypeErrorHandler* error_handler) {
 672   TypedUrlModelAssociator* model_associator =
 673       new TypedUrlModelAssociator(profile_sync_service,
 674                                   history_backend,
 675                                   error_handler);
 676   TypedUrlChangeProcessor* change_processor =
 677       new TypedUrlChangeProcessor(profile_,
 678                                   model_associator,
 679                                   history_backend,
 680                                   error_handler);
 681   return SyncComponents(model_associator, change_processor);
 682 }