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

chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_handler.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_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/sync_file_system/sync_event_observer.h"
 #include "chrome/browser/sync_file_system/task_logger.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 class Profile;
 
 namespace syncfs_internals {
 
 // This class handles message from WebUI page of chrome://syncfs-internals/
 // for the Sync Service tab. It corresponds to browser/resources/
 // sync_file_system_internals/sync_service.html. All methods in this class
 // should be called on UI thread.
 class SyncFileSystemInternalsHandler
     : public content::WebUIMessageHandler,
       public sync_file_system::SyncEventObserver,
       public sync_file_system::TaskLogger::Observer {
  public:
   explicit SyncFileSystemInternalsHandler(Profile* profile);
-  virtual ~SyncFileSystemInternalsHandler();
+  ~SyncFileSystemInternalsHandler() override;
 
   // content::WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // sync_file_system::SyncEventObserver interface implementation.
-  virtual void OnSyncStateUpdated(
-      const GURL& app_origin,
-      sync_file_system::SyncServiceState state,
-      const std::string& description) override;
-  virtual void OnFileSynced(const storage::FileSystemURL& url,
-                            sync_file_system::SyncFileType file_type,
-                            sync_file_system::SyncFileStatus status,
-                            sync_file_system::SyncAction action,
-                            sync_file_system::SyncDirection direction) override;
+  void OnSyncStateUpdated(const GURL& app_origin,
+                          sync_file_system::SyncServiceState state,
+                          const std::string& description) override;
+  void OnFileSynced(const storage::FileSystemURL& url,
+                    sync_file_system::SyncFileType file_type,
+                    sync_file_system::SyncFileStatus status,
+                    sync_file_system::SyncAction action,
+                    sync_file_system::SyncDirection direction) override;
 
   // sync_file_system::TaskLogger::Observer implementation.
-  virtual void OnLogRecorded(
+  void OnLogRecorded(
       const sync_file_system::TaskLogger::TaskLog& task_log) override;
 
  private:
   void GetServiceStatus(const base::ListValue* args);
   void GetNotificationSource(const base::ListValue* args);
   void GetLog(const base::ListValue* args);
   void ClearLogs(const base::ListValue* args);
   void ObserveTaskLog(const base::ListValue* args);
 
   Profile* profile_;
   bool observing_task_log_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncFileSystemInternalsHandler);
 };
 
 }  // namespace syncfs_internals
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_FILE_SYSTEM_INTERNALS_SYNC_FILE_SYSTEM_INTERNALS_HANDLER_H_