Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

ios/chrome/browser/sync/ios_chrome_sync_client.h

 // Copyright 2015 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.
 
 #ifndef IOS_CHROME_BROWSER_SYNC_IOS_CHROME_SYNC_CLIENT_H__
 #define IOS_CHROME_BROWSER_SYNC_IOS_CHROME_SYNC_CLIENT_H__
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/sync/driver/sync_client.h"
 
 namespace autofill {
 class AutofillWebDataService;
 }
 
 namespace ios {
 class ChromeBrowserState;
 }
 
 namespace password_manager {
 class PasswordStore;
 }
 
-namespace syncer {
+namespace sync_driver {
 class DeviceInfoTracker;
 class SyncApiComponentFactory;
 class SyncService;
 }
 
-class IOSChromeSyncClient : public syncer::SyncClient {
+class IOSChromeSyncClient : public sync_driver::SyncClient {
  public:
   explicit IOSChromeSyncClient(ios::ChromeBrowserState* browser_state);
   ~IOSChromeSyncClient() override;
 
   // SyncClient implementation.
   void Initialize() override;
-  syncer::SyncService* GetSyncService() override;
+  sync_driver::SyncService* GetSyncService() override;
   PrefService* GetPrefService() override;
   bookmarks::BookmarkModel* GetBookmarkModel() override;
   favicon::FaviconService* GetFaviconService() override;
   history::HistoryService* GetHistoryService() override;
   base::Closure GetPasswordStateChangedCallback() override;
-  syncer::SyncApiComponentFactory::RegisterDataTypesMethod
+  sync_driver::SyncApiComponentFactory::RegisterDataTypesMethod
   GetRegisterPlatformTypesCallback() override;
   autofill::PersonalDataManager* GetPersonalDataManager() override;
   invalidation::InvalidationService* GetInvalidationService() override;
   BookmarkUndoService* GetBookmarkUndoServiceIfExists() override;
   scoped_refptr<syncer::ExtensionsActivity> GetExtensionsActivity() override;
   sync_sessions::SyncSessionsClient* GetSyncSessionsClient() override;
   base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
       syncer::ModelType type) override;
-  base::WeakPtr<syncer::ModelTypeService> GetModelTypeServiceForType(
+  base::WeakPtr<syncer_v2::ModelTypeService> GetModelTypeServiceForType(
       syncer::ModelType type) override;
   scoped_refptr<syncer::ModelSafeWorker> CreateModelWorkerForGroup(
       syncer::ModelSafeGroup group,
       syncer::WorkerLoopDestructionObserver* observer) override;
-  syncer::SyncApiComponentFactory* GetSyncApiComponentFactory() override;
+  sync_driver::SyncApiComponentFactory* GetSyncApiComponentFactory() override;
 
   void SetSyncApiComponentFactoryForTesting(
-      std::unique_ptr<syncer::SyncApiComponentFactory> component_factory);
+      std::unique_ptr<sync_driver::SyncApiComponentFactory> component_factory);
 
   // Iterates over browser states and returns any trackers that can be found.
   static void GetDeviceInfoTrackers(
-      std::vector<const syncer::DeviceInfoTracker*>* trackers);
+      std::vector<const sync_driver::DeviceInfoTracker*>* trackers);
 
  private:
   ios::ChromeBrowserState* const browser_state_;
 
   // The sync api component factory in use by this client.
-  std::unique_ptr<syncer::SyncApiComponentFactory> component_factory_;
+  std::unique_ptr<sync_driver::SyncApiComponentFactory> component_factory_;
 
   // Members that must be fetched on the UI thread but accessed on their
   // respective backend threads.
   scoped_refptr<autofill::AutofillWebDataService> web_data_service_;
   scoped_refptr<password_manager::PasswordStore> password_store_;
 
   std::unique_ptr<sync_sessions::SyncSessionsClient> sync_sessions_client_;
 
   const scoped_refptr<syncer::ExtensionsActivity> dummy_extensions_activity_;
 
   base::WeakPtrFactory<IOSChromeSyncClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSChromeSyncClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_SYNC_IOS_CHROME_SYNC_CLIENT_H__