Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/extension_sync_service.h

 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 25 matching lines @@
 class SyncErrorFactory;
 }
 
 class ExtensionSyncService : public syncer::SyncableService,
                              public KeyedService {
  public:
   ExtensionSyncService(Profile* profile,
                        extensions::ExtensionPrefs* extension_prefs,
                        ExtensionService* extension_service);
 
-  virtual ~ExtensionSyncService();
+  ~ExtensionSyncService() override;
 
   // Convenience function to get the ExtensionSyncService for a Profile.
   static ExtensionSyncService* Get(Profile* profile);
 
   const extensions::ExtensionPrefs& extension_prefs() const {
     return *extension_prefs_;
   }
 
   // Notifies Sync (if needed) of a newly-installed extension or a change to
   // an existing extension.
   virtual void SyncExtensionChangeIfNeeded(
       const extensions::Extension& extension);
 
   // 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> sync_error_factory) 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;
 
   // Gets the sync data for the given extension, assuming that the extension is
   // syncable.
   extensions::ExtensionSyncData GetExtensionSyncData(
       const extensions::Extension& extension) const;
 
   // Gets the sync data for the given app, assuming that the app is
   // syncable.
@@ skipping 71 matching lines @@
 
   // Run()ning tells sync to try and start soon, because syncable changes
   // have started happening. It will cause sync to call us back
   // asynchronously via MergeDataAndStartSyncing as soon as possible.
   syncer::SyncableService::StartSyncFlare flare_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSyncService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_SERVICE_H_