This source file includes following definitions.
- GetDisabledTypesFromCommandLine
- web_data_service_
- RegisterDataTypes
- RegisterCommonDataTypes
- RegisterDesktopDataTypes
- CreateDataTypeManager
- CreateSyncBackendHost
- CreateGenericChangeProcessor
- CreateSharedChangeProcessor
- GetSyncableServiceForType
- CreateBookmarkSyncComponents
- CreateTypedUrlSyncComponents
- CreateSessionSyncComponents
#include "base/command_line.h"
#include "build/build_config.h"
#include "chrome/browser/bookmarks/bookmark_model_factory.h"
#include "chrome/browser/bookmarks/enhanced_bookmarks_features.h"
#include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
#include "chrome/browser/history/history_service.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/password_manager/password_store_factory.h"
#include "chrome/browser/pref_service_flags_storage.h"
#include "chrome/browser/prefs/pref_model_associator.h"
#include "chrome/browser/prefs/pref_service_syncable.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/browser/sync/glue/autofill_data_type_controller.h"
#include "chrome/browser/sync/glue/autofill_profile_data_type_controller.h"
#include "chrome/browser/sync/glue/bookmark_change_processor.h"
#include "chrome/browser/sync/glue/bookmark_data_type_controller.h"
#include "chrome/browser/sync/glue/bookmark_model_associator.h"
#include "chrome/browser/sync/glue/chrome_report_unrecoverable_error.h"
#include "chrome/browser/sync/glue/data_type_manager_impl.h"
#include "chrome/browser/sync/glue/extension_data_type_controller.h"
#include "chrome/browser/sync/glue/extension_setting_data_type_controller.h"
#include "chrome/browser/sync/glue/generic_change_processor.h"
#include "chrome/browser/sync/glue/password_data_type_controller.h"
#include "chrome/browser/sync/glue/search_engine_data_type_controller.h"
#include "chrome/browser/sync/glue/session_change_processor.h"
#include "chrome/browser/sync/glue/session_data_type_controller.h"
#include "chrome/browser/sync/glue/session_model_associator.h"
#include "chrome/browser/sync/glue/shared_change_processor.h"
#include "chrome/browser/sync/glue/sync_backend_host.h"
#include "chrome/browser/sync/glue/sync_backend_host_impl.h"
#include "chrome/browser/sync/glue/theme_data_type_controller.h"
#include "chrome/browser/sync/glue/typed_url_change_processor.h"
#include "chrome/browser/sync/glue/typed_url_data_type_controller.h"
#include "chrome/browser/sync/glue/typed_url_model_associator.h"
#include "chrome/browser/sync/glue/ui_data_type_controller.h"
#include "chrome/browser/sync/profile_sync_components_factory_impl.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "chrome/browser/sync/sessions2/session_data_type_controller2.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/themes/theme_service_factory.h"
#include "chrome/browser/themes/theme_syncable_service.h"
#include "chrome/browser/webdata/autocomplete_syncable_service.h"
#include "chrome/browser/webdata/web_data_service_factory.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_version_info.h"
#include "chrome/common/pref_names.h"
#include "components/autofill/core/browser/webdata/autofill_profile_syncable_service.h"
#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
#include "components/dom_distiller/core/dom_distiller_service.h"
#include "components/password_manager/core/browser/password_store.h"
#include "components/signin/core/browser/signin_manager.h"
#include "components/sync_driver/data_type_manager_observer.h"
#include "components/sync_driver/proxy_data_type_controller.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/extension_system.h"
#include "sync/api/attachments/attachment_service.h"
#include "sync/api/attachments/fake_attachment_service.h"
#include "sync/api/attachments/fake_attachment_store.h"
#include "sync/api/syncable_service.h"
#if defined(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/api/storage/settings_sync_util.h"
#include "chrome/browser/extensions/extension_sync_service.h"
#endif
#if defined(ENABLE_APP_LIST)
#include "chrome/browser/ui/app_list/app_list_syncable_service.h"
#include "chrome/browser/ui/app_list/app_list_syncable_service_factory.h"
#include "ui/app_list/app_list_switches.h"
#endif
#if defined(ENABLE_MANAGED_USERS)
#include "chrome/browser/managed_mode/managed_user_settings_service.h"
#include "chrome/browser/managed_mode/managed_user_settings_service_factory.h"
#include "chrome/browser/managed_mode/managed_user_shared_settings_service.h"
#include "chrome/browser/managed_mode/managed_user_shared_settings_service_factory.h"
#include "chrome/browser/managed_mode/managed_user_sync_service.h"
#include "chrome/browser/managed_mode/managed_user_sync_service_factory.h"
#endif
#if !defined(OS_ANDROID)
#include "chrome/browser/notifications/sync_notifier/chrome_notifier_service.h"
#include "chrome/browser/notifications/sync_notifier/chrome_notifier_service_factory.h"
#include "chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.h"
#include "chrome/browser/notifications/sync_notifier/synced_notification_app_info_service_factory.h"
#endif
#if defined(ENABLE_SPELLCHECK)
#include "chrome/browser/spellchecker/spellcheck_factory.h"
#include "chrome/browser/spellchecker/spellcheck_service.h"
#endif
using browser_sync::AutofillDataTypeController;
using browser_sync::AutofillProfileDataTypeController;
using browser_sync::BookmarkChangeProcessor;
using browser_sync::BookmarkDataTypeController;
using browser_sync::BookmarkModelAssociator;
using browser_sync::ChromeReportUnrecoverableError;
using browser_sync::DataTypeController;
using browser_sync::DataTypeErrorHandler;
using browser_sync::DataTypeManager;
using browser_sync::DataTypeManagerImpl;
using browser_sync::DataTypeManagerObserver;
using browser_sync::ExtensionDataTypeController;
using browser_sync::ExtensionSettingDataTypeController;
using browser_sync::GenericChangeProcessor;
using browser_sync::PasswordDataTypeController;
using browser_sync::ProxyDataTypeController;
using browser_sync::SearchEngineDataTypeController;
using browser_sync::SessionChangeProcessor;
using browser_sync::SessionDataTypeController;
using browser_sync::SessionDataTypeController2;
using browser_sync::SessionModelAssociator;
using browser_sync::SharedChangeProcessor;
using browser_sync::SyncBackendHost;
using browser_sync::ThemeDataTypeController;
using browser_sync::TypedUrlChangeProcessor;
using browser_sync::TypedUrlDataTypeController;
using browser_sync::TypedUrlModelAssociator;
using browser_sync::UIDataTypeController;
using content::BrowserThread;
namespace {
syncer::ModelTypeSet GetDisabledTypesFromCommandLine(
CommandLine* command_line) {
syncer::ModelTypeSet disabled_types;
std::string disabled_types_str =
command_line->GetSwitchValueASCII(switches::kDisableSyncTypes);
disabled_types = syncer::ModelTypeSetFromString(disabled_types_str);
return disabled_types;
}
}
ProfileSyncComponentsFactoryImpl::ProfileSyncComponentsFactoryImpl(
Profile* profile, CommandLine* command_line)
: profile_(profile),
command_line_(command_line),
extension_system_(extensions::ExtensionSystem::Get(profile)),
web_data_service_(
WebDataServiceFactory::GetAutofillWebDataForProfile(
profile_, Profile::EXPLICIT_ACCESS)) {
}
ProfileSyncComponentsFactoryImpl::~ProfileSyncComponentsFactoryImpl() {
}
void ProfileSyncComponentsFactoryImpl::RegisterDataTypes(
ProfileSyncService* pss) {
syncer::ModelTypeSet disabled_types =
GetDisabledTypesFromCommandLine(command_line_);
RegisterCommonDataTypes(disabled_types, pss);
#if !defined(OS_ANDROID)
RegisterDesktopDataTypes(disabled_types, pss);
#endif
}
void ProfileSyncComponentsFactoryImpl::RegisterCommonDataTypes(
syncer::ModelTypeSet disabled_types,
ProfileSyncService* pss) {
if (!disabled_types.Has(syncer::AUTOFILL)) {
pss->RegisterDataTypeController(
new AutofillDataTypeController(this, profile_, pss));
}
if (!disabled_types.Has(syncer::AUTOFILL_PROFILE)) {
pss->RegisterDataTypeController(
new AutofillProfileDataTypeController(this, profile_, pss));
}
if (!disabled_types.Has(syncer::BOOKMARKS)) {
pss->RegisterDataTypeController(
new BookmarkDataTypeController(this, profile_, pss));
}
if (!profile_->GetPrefs()->GetBoolean(prefs::kSavingBrowserHistoryDisabled) &&
!disabled_types.Has(syncer::TYPED_URLS)) {
pss->RegisterDataTypeController(
new TypedUrlDataTypeController(this, profile_, pss));
}
if (!disabled_types.Has(syncer::HISTORY_DELETE_DIRECTIVES)) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::HISTORY_DELETE_DIRECTIVES,
this,
profile_,
pss));
}
if (!disabled_types.Has(syncer::PROXY_TABS)) {
pss->RegisterDataTypeController(new ProxyDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
syncer::PROXY_TABS));
pss->RegisterDataTypeController(
new SessionDataTypeController2(this, profile_, pss));
}
if (!disabled_types.Has(syncer::FAVICON_IMAGES) &&
!disabled_types.Has(syncer::FAVICON_TRACKING)) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::FAVICON_IMAGES,
this,
profile_,
pss));
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::FAVICON_TRACKING,
this,
profile_,
pss));
}
if (!disabled_types.Has(syncer::PASSWORDS)) {
pss->RegisterDataTypeController(
new PasswordDataTypeController(this, profile_, pss));
}
if (IsEnableSyncArticlesSet()) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::ARTICLES,
this,
profile_,
pss));
}
#if defined(ENABLE_MANAGED_USERS)
if (profile_->IsManaged()) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::MANAGED_USER_SETTINGS,
this,
profile_,
pss));
} else {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::MANAGED_USERS,
this,
profile_,
pss));
}
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::MANAGED_USER_SHARED_SETTINGS,
this,
profile_,
pss));
#endif
}
void ProfileSyncComponentsFactoryImpl::RegisterDesktopDataTypes(
syncer::ModelTypeSet disabled_types,
ProfileSyncService* pss) {
if (!disabled_types.Has(syncer::APPS)) {
pss->RegisterDataTypeController(
new ExtensionDataTypeController(syncer::APPS, this, profile_, pss));
}
if (!disabled_types.Has(syncer::EXTENSIONS)) {
pss->RegisterDataTypeController(
new ExtensionDataTypeController(syncer::EXTENSIONS,
this, profile_, pss));
}
if (!disabled_types.Has(syncer::PREFERENCES)) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::PREFERENCES,
this,
profile_,
pss));
}
if (!disabled_types.Has(syncer::PRIORITY_PREFERENCES)) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::PRIORITY_PREFERENCES,
this,
profile_,
pss));
}
#if defined(ENABLE_THEMES)
if (!disabled_types.Has(syncer::THEMES)) {
pss->RegisterDataTypeController(
new ThemeDataTypeController(this, profile_, pss));
}
#endif
if (!disabled_types.Has(syncer::SEARCH_ENGINES)) {
pss->RegisterDataTypeController(
new SearchEngineDataTypeController(this, profile_, pss));
}
if (!disabled_types.Has(syncer::EXTENSION_SETTINGS)) {
pss->RegisterDataTypeController(
new ExtensionSettingDataTypeController(
syncer::EXTENSION_SETTINGS, this, profile_, pss));
}
if (!disabled_types.Has(syncer::APP_SETTINGS)) {
pss->RegisterDataTypeController(
new ExtensionSettingDataTypeController(
syncer::APP_SETTINGS, this, profile_, pss));
}
#if defined(ENABLE_APP_LIST)
if (app_list::switches::IsAppListSyncEnabled()) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::APP_LIST,
this,
profile_,
pss));
}
#endif
if (!disabled_types.Has(syncer::SYNCED_NOTIFICATIONS)) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::SYNCED_NOTIFICATIONS,
this,
profile_,
pss));
if (command_line_->HasSwitch(switches::kEnableSyncSyncedNotifications)) {
pss->RegisterDataTypeController(new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::SYNCED_NOTIFICATION_APP_INFO,
this,
profile_,
pss));
}
}
#if defined(OS_LINUX) || defined(OS_WIN) || defined(OS_CHROMEOS)
if (!disabled_types.Has(syncer::DICTIONARY)) {
pss->RegisterDataTypeController(
new UIDataTypeController(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
base::Bind(&ChromeReportUnrecoverableError),
syncer::DICTIONARY,
this,
profile_,
pss));
}
#endif
}
DataTypeManager* ProfileSyncComponentsFactoryImpl::CreateDataTypeManager(
const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
debug_info_listener,
const DataTypeController::TypeMap* controllers,
const browser_sync::DataTypeEncryptionHandler* encryption_handler,
SyncBackendHost* backend,
DataTypeManagerObserver* observer,
browser_sync::FailedDataTypesHandler* failed_data_types_handler) {
return new DataTypeManagerImpl(debug_info_listener,
controllers,
encryption_handler,
backend,
observer,
failed_data_types_handler);
}
browser_sync::SyncBackendHost*
ProfileSyncComponentsFactoryImpl::CreateSyncBackendHost(
const std::string& name,
Profile* profile,
const base::WeakPtr<sync_driver::SyncPrefs>& sync_prefs) {
return new browser_sync::SyncBackendHostImpl(name, profile, sync_prefs);
}
browser_sync::GenericChangeProcessor*
ProfileSyncComponentsFactoryImpl::CreateGenericChangeProcessor(
ProfileSyncService* profile_sync_service,
browser_sync::DataTypeErrorHandler* error_handler,
const base::WeakPtr<syncer::SyncableService>& local_service,
const base::WeakPtr<syncer::SyncMergeResult>& merge_result) {
syncer::UserShare* user_share = profile_sync_service->GetUserShare();
scoped_ptr<syncer::AttachmentStore> attachment_store(
new syncer::FakeAttachmentStore(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
scoped_ptr<syncer::AttachmentService> attachment_service(
new syncer::FakeAttachmentService(attachment_store.Pass()));
return new GenericChangeProcessor(
error_handler,
local_service,
merge_result,
user_share,
attachment_service.Pass());
}
browser_sync::SharedChangeProcessor* ProfileSyncComponentsFactoryImpl::
CreateSharedChangeProcessor() {
return new SharedChangeProcessor();
}
base::WeakPtr<syncer::SyncableService> ProfileSyncComponentsFactoryImpl::
GetSyncableServiceForType(syncer::ModelType type) {
if (!profile_) {
return base::WeakPtr<syncer::SyncableService>();
}
switch (type) {
case syncer::PREFERENCES:
return PrefServiceSyncable::FromProfile(
profile_)->GetSyncableService(syncer::PREFERENCES)->AsWeakPtr();
case syncer::PRIORITY_PREFERENCES:
return PrefServiceSyncable::FromProfile(profile_)->GetSyncableService(
syncer::PRIORITY_PREFERENCES)->AsWeakPtr();
case syncer::AUTOFILL:
case syncer::AUTOFILL_PROFILE: {
if (!web_data_service_.get())
return base::WeakPtr<syncer::SyncableService>();
if (type == syncer::AUTOFILL) {
return AutocompleteSyncableService::FromWebDataService(
web_data_service_.get())->AsWeakPtr();
} else {
return autofill::AutofillProfileSyncableService::FromWebDataService(
web_data_service_.get())->AsWeakPtr();
}
}
case syncer::SEARCH_ENGINES:
return TemplateURLServiceFactory::GetForProfile(profile_)->AsWeakPtr();
#if defined(ENABLE_EXTENSIONS)
case syncer::APPS:
case syncer::EXTENSIONS:
return ExtensionSyncService::Get(profile_)->AsWeakPtr();
case syncer::APP_SETTINGS:
case syncer::EXTENSION_SETTINGS:
return extensions::settings_sync_util::GetSyncableService(profile_, type)
->AsWeakPtr();
#endif
#if defined(ENABLE_APP_LIST)
case syncer::APP_LIST:
return app_list::AppListSyncableServiceFactory::GetForProfile(profile_)->
AsWeakPtr();
#endif
#if defined(ENABLE_THEMES)
case syncer::THEMES:
return ThemeServiceFactory::GetForProfile(profile_)->
GetThemeSyncableService()->AsWeakPtr();
#endif
case syncer::HISTORY_DELETE_DIRECTIVES: {
HistoryService* history =
HistoryServiceFactory::GetForProfile(
profile_, Profile::EXPLICIT_ACCESS);
return history ? history->AsWeakPtr() : base::WeakPtr<HistoryService>();
}
#if !defined(OS_ANDROID)
case syncer::SYNCED_NOTIFICATIONS: {
notifier::ChromeNotifierService* notifier_service =
notifier::ChromeNotifierServiceFactory::GetForProfile(
profile_, Profile::EXPLICIT_ACCESS);
return notifier_service ? notifier_service->AsWeakPtr()
: base::WeakPtr<syncer::SyncableService>();
}
case syncer::SYNCED_NOTIFICATION_APP_INFO: {
notifier::SyncedNotificationAppInfoService* app_info =
notifier::SyncedNotificationAppInfoServiceFactory::GetForProfile(
profile_, Profile::EXPLICIT_ACCESS);
return app_info ? app_info->AsWeakPtr()
: base::WeakPtr<syncer::SyncableService>();
}
#endif
#if defined(ENABLE_SPELLCHECK)
case syncer::DICTIONARY:
return SpellcheckServiceFactory::GetForContext(profile_)->
GetCustomDictionary()->AsWeakPtr();
#endif
case syncer::FAVICON_IMAGES:
case syncer::FAVICON_TRACKING: {
browser_sync::FaviconCache* favicons =
ProfileSyncServiceFactory::GetForProfile(profile_)->
GetFaviconCache();
return favicons ? favicons->AsWeakPtr()
: base::WeakPtr<syncer::SyncableService>();
}
#if defined(ENABLE_MANAGED_USERS)
case syncer::MANAGED_USER_SETTINGS:
return ManagedUserSettingsServiceFactory::GetForProfile(profile_)->
AsWeakPtr();
case syncer::MANAGED_USERS:
return ManagedUserSyncServiceFactory::GetForProfile(profile_)->
AsWeakPtr();
case syncer::MANAGED_USER_SHARED_SETTINGS:
return ManagedUserSharedSettingsServiceFactory::GetForBrowserContext(
profile_)->AsWeakPtr();
#endif
case syncer::ARTICLES: {
dom_distiller::DomDistillerService* service =
dom_distiller::DomDistillerServiceFactory::GetForBrowserContext(
profile_);
if (service)
return service->GetSyncableService()->AsWeakPtr();
return base::WeakPtr<syncer::SyncableService>();
}
case syncer::SESSIONS: {
DCHECK(!command_line_->HasSwitch(switches::kDisableSyncSessionsV2));
return ProfileSyncServiceFactory::GetForProfile(profile_)->
GetSessionsSyncableService()->AsWeakPtr();
}
case syncer::PASSWORDS: {
#if defined(PASSWORD_MANAGER_ENABLE_SYNC)
PasswordStore* password_store = PasswordStoreFactory::GetForProfile(
profile_, Profile::EXPLICIT_ACCESS);
return password_store ? password_store->GetPasswordSyncableService()
: base::WeakPtr<syncer::SyncableService>();
#else
return base::WeakPtr<syncer::SyncableService>();
#endif
}
default:
NOTREACHED();
return base::WeakPtr<syncer::SyncableService>();
}
}
ProfileSyncComponentsFactory::SyncComponents
ProfileSyncComponentsFactoryImpl::CreateBookmarkSyncComponents(
ProfileSyncService* profile_sync_service,
DataTypeErrorHandler* error_handler) {
BookmarkModel* bookmark_model =
BookmarkModelFactory::GetForProfile(profile_sync_service->profile());
syncer::UserShare* user_share = profile_sync_service->GetUserShare();
#if defined(OS_ANDROID)
const bool kExpectMobileBookmarksFolder = true;
#else
const bool kExpectMobileBookmarksFolder = false;
#endif
BookmarkModelAssociator* model_associator =
new BookmarkModelAssociator(bookmark_model,
profile_sync_service->profile(),
user_share,
error_handler,
kExpectMobileBookmarksFolder);
BookmarkChangeProcessor* change_processor =
new BookmarkChangeProcessor(model_associator,
error_handler);
return SyncComponents(model_associator, change_processor);
}
ProfileSyncComponentsFactory::SyncComponents
ProfileSyncComponentsFactoryImpl::CreateTypedUrlSyncComponents(
ProfileSyncService* profile_sync_service,
history::HistoryBackend* history_backend,
browser_sync::DataTypeErrorHandler* error_handler) {
TypedUrlModelAssociator* model_associator =
new TypedUrlModelAssociator(profile_sync_service,
history_backend,
error_handler);
TypedUrlChangeProcessor* change_processor =
new TypedUrlChangeProcessor(profile_,
model_associator,
history_backend,
error_handler);
return SyncComponents(model_associator, change_processor);
}
ProfileSyncComponentsFactory::SyncComponents
ProfileSyncComponentsFactoryImpl::CreateSessionSyncComponents(
ProfileSyncService* profile_sync_service,
DataTypeErrorHandler* error_handler) {
SessionModelAssociator* model_associator =
new SessionModelAssociator(profile_sync_service, error_handler);
SessionChangeProcessor* change_processor =
new SessionChangeProcessor(error_handler, model_associator);
return SyncComponents(model_associator, change_processor);
}