Standardize usage of virtual/override/final in components/

components/sync_driver/device_info_sync_service.h

 // Copyright 2014 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 COMPONENTS_SYNC_DRIVER_DEVICE_INFO_SYNC_SERVICE_H_
 #define COMPONENTS_SYNC_DRIVER_DEVICE_INFO_SYNC_SERVICE_H_
 
 #include "base/observer_list.h"
 #include "components/sync_driver/device_info_tracker.h"
 #include "sync/api/sync_change_processor.h"
 #include "sync/api/sync_data.h"
 #include "sync/api/sync_error_factory.h"
 #include "sync/api/syncable_service.h"
 
 namespace sync_driver {
 
 class LocalDeviceInfoProvider;
 
 // SyncableService implementation for DEVICE_INFO model type.
 class DeviceInfoSyncService : public syncer::SyncableService,
                               public DeviceInfoTracker {
  public:
   explicit DeviceInfoSyncService(
       LocalDeviceInfoProvider* local_device_info_provider);
-  virtual ~DeviceInfoSyncService();
+  ~DeviceInfoSyncService() override;
 
   // syncer::SyncableService implementation.
-  virtual syncer::SyncMergeResult MergeDataAndStartSyncing(
+  syncer::SyncMergeResult MergeDataAndStartSyncing(
       syncer::ModelType type,
       const syncer::SyncDataList& initial_sync_data,
       scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
       scoped_ptr<syncer::SyncErrorFactory> error_handler) override;
-  virtual void StopSyncing(syncer::ModelType type) override;
-  virtual syncer::SyncDataList GetAllSyncData(
-      syncer::ModelType type) const override;
-  virtual syncer::SyncError ProcessSyncChanges(
+  void StopSyncing(syncer::ModelType type) override;
+  syncer::SyncDataList GetAllSyncData(syncer::ModelType type) const override;
+  syncer::SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const syncer::SyncChangeList& change_list) override;
 
   // DeviceInfoTracker implementation.
-  virtual scoped_ptr<DeviceInfo> GetDeviceInfo(
+  scoped_ptr<DeviceInfo> GetDeviceInfo(
       const std::string& client_id) const override;
-  virtual ScopedVector<DeviceInfo> GetAllDeviceInfo() const override;
-  virtual void AddObserver(Observer* observer) override;
-  virtual void RemoveObserver(Observer* observer) override;
+  ScopedVector<DeviceInfo> GetAllDeviceInfo() const override;
+  void AddObserver(Observer* observer) override;
+  void RemoveObserver(Observer* observer) override;
 
   // Called to update local device backup time.
   void UpdateLocalDeviceBackupTime(base::Time backup_time);
   // Gets the most recently set local device backup time.
   base::Time GetLocalDeviceBackupTime() const;
 
  private:
   // Create SyncData from local DeviceInfo and |local_device_backup_time_|.
   syncer::SyncData CreateLocalData(const DeviceInfo* info);
   // Create SyncData from EntitySpecifics.
@@ skipping 43 matching lines @@
 
   // Registered observers, not owned.
   ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceInfoSyncService);
 };
 
 }  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_DEVICE_INFO_SYNC_SERVICE_H_