[Sync] Make SESSIONS an implicit type

chrome/browser/sync/profile_sync_components_factory_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/extensions/api/storage/settings_frontend.h"
 #include "chrome/browser/extensions/app_notification_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 12 matching lines @@
 #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/data_type_manager_impl.h"
 #include "chrome/browser/sync/glue/data_type_manager_observer.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/virtual_data_type_controller.h"
 #include "chrome/browser/sync/glue/password_change_processor.h"
 #include "chrome/browser/sync/glue/password_data_type_controller.h"
 #include "chrome/browser/sync/glue/password_model_associator.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/theme_data_type_controller.h"
@@ skipping 21 matching lines @@
 using browser_sync::BookmarkChangeProcessor;
 using browser_sync::BookmarkDataTypeController;
 using browser_sync::BookmarkModelAssociator;
 using browser_sync::DataTypeController;
 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::VirtualDataTypeController;
 using browser_sync::PasswordChangeProcessor;
 using browser_sync::PasswordDataTypeController;
 using browser_sync::PasswordModelAssociator;
 using browser_sync::SearchEngineDataTypeController;
 using browser_sync::SessionChangeProcessor;
 using browser_sync::SessionDataTypeController;
 using browser_sync::SessionModelAssociator;
 using browser_sync::SharedChangeProcessor;
 using browser_sync::SyncBackendHost;
 using browser_sync::ThemeDataTypeController;
@@ skipping 38 matching lines @@
   // or if saving history is disabled.
   if (!profile_->GetPrefs()->GetBoolean(prefs::kSavingBrowserHistoryDisabled) &&
       !command_line_->HasSwitch(switches::kDisableSyncTypedUrls)) {
     pss->RegisterDataTypeController(
         new TypedUrlDataTypeController(this, profile_, pss));
   }
 
   // Session sync is enabled by default.  Register unless explicitly disabled.
   if (!command_line_->HasSwitch(switches::kDisableSyncTabs)) {
     pss->RegisterDataTypeController(
+        new VirtualDataTypeController(syncer::TABS));
+    pss->RegisterDataTypeController(
         new SessionDataTypeController(this, profile_, pss));
   }
 }
 
 void ProfileSyncComponentsFactoryImpl::RegisterDesktopDataTypes(
     ProfileSyncService* pss) {
   // App sync is enabled by default.  Register unless explicitly
   // disabled.
   if (!command_line_->HasSwitch(switches::kDisableSyncApps)) {
     pss->RegisterDataTypeController(
@@ skipping 227 matching lines @@
 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);
 }