[Sync] Move //components/sync to the syncer namespace, take 2.

ios/chrome/browser/sync/ios_chrome_sync_client.h

Index: ios/chrome/browser/sync/ios_chrome_sync_client.h
diff --git a/ios/chrome/browser/sync/ios_chrome_sync_client.h b/ios/chrome/browser/sync/ios_chrome_sync_client.h
index 1bff32847f5e1a6411b2fe399ea51163cb1496ff..b378f90dc863665314125d367c2209559f9fc18e 100644
--- a/ios/chrome/browser/sync/ios_chrome_sync_client.h
+++ b/ios/chrome/browser/sync/ios_chrome_sync_client.h
@@ -24,26 +24,26 @@ namespace password_manager {
 class PasswordStore;
 }
 
-namespace sync_driver {
+namespace syncer {
 class DeviceInfoTracker;
 class SyncApiComponentFactory;
 class SyncService;
 }
 
-class IOSChromeSyncClient : public sync_driver::SyncClient {
+class IOSChromeSyncClient : public syncer::SyncClient {
  public:
   explicit IOSChromeSyncClient(ios::ChromeBrowserState* browser_state);
   ~IOSChromeSyncClient() override;
 
   // SyncClient implementation.
   void Initialize() override;
-  sync_driver::SyncService* GetSyncService() override;
+  syncer::SyncService* GetSyncService() override;
   PrefService* GetPrefService() override;
   bookmarks::BookmarkModel* GetBookmarkModel() override;
   favicon::FaviconService* GetFaviconService() override;
   history::HistoryService* GetHistoryService() override;
   base::Closure GetPasswordStateChangedCallback() override;
-  sync_driver::SyncApiComponentFactory::RegisterDataTypesMethod
+  syncer::SyncApiComponentFactory::RegisterDataTypesMethod
   GetRegisterPlatformTypesCallback() override;
   autofill::PersonalDataManager* GetPersonalDataManager() override;
   invalidation::InvalidationService* GetInvalidationService() override;
@@ -52,25 +52,25 @@ class IOSChromeSyncClient : public sync_driver::SyncClient {
   sync_sessions::SyncSessionsClient* GetSyncSessionsClient() override;
   base::WeakPtr<syncer::SyncableService> GetSyncableServiceForType(
       syncer::ModelType type) override;
-  base::WeakPtr<syncer_v2::ModelTypeService> GetModelTypeServiceForType(
+  base::WeakPtr<syncer::ModelTypeService> GetModelTypeServiceForType(
       syncer::ModelType type) override;
   scoped_refptr<syncer::ModelSafeWorker> CreateModelWorkerForGroup(
       syncer::ModelSafeGroup group,
       syncer::WorkerLoopDestructionObserver* observer) override;
-  sync_driver::SyncApiComponentFactory* GetSyncApiComponentFactory() override;
+  syncer::SyncApiComponentFactory* GetSyncApiComponentFactory() override;
 
   void SetSyncApiComponentFactoryForTesting(
-      std::unique_ptr<sync_driver::SyncApiComponentFactory> component_factory);
+      std::unique_ptr<syncer::SyncApiComponentFactory> component_factory);
 
   // Iterates over browser states and returns any trackers that can be found.
   static void GetDeviceInfoTrackers(
-      std::vector<const sync_driver::DeviceInfoTracker*>* trackers);
+      std::vector<const syncer::DeviceInfoTracker*>* trackers);
 
  private:
   ios::ChromeBrowserState* const browser_state_;
 
   // The sync api component factory in use by this client.
-  std::unique_ptr<sync_driver::SyncApiComponentFactory> component_factory_;
+  std::unique_ptr<syncer::SyncApiComponentFactory> component_factory_;
 
   // Members that must be fetched on the UI thread but accessed on their
   // respective backend threads.