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

chrome/browser/ui/webui/options/media_devices_selection_handler.h

 // Copyright (c) 2012 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_OPTIONS_MEDIA_DEVICES_SELECTION_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_MEDIA_DEVICES_SELECTION_HANDLER_H_
 
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "content/public/browser/web_contents.h"
 
 namespace options {
 
 // Handler for media devices selection in content settings.
 class MediaDevicesSelectionHandler
     : public MediaCaptureDevicesDispatcher::Observer,
       public OptionsPageUIHandler {
  public:
   MediaDevicesSelectionHandler();
-  virtual ~MediaDevicesSelectionHandler();
+  ~MediaDevicesSelectionHandler() override;
 
   // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(base::DictionaryValue* values) override;
-  virtual void InitializePage() override;
-  virtual void RegisterMessages() override;
+  void GetLocalizedValues(base::DictionaryValue* values) override;
+  void InitializePage() override;
+  void RegisterMessages() override;
 
   // MediaCaptureDevicesDispatcher::Observer implementation.
-  virtual void OnUpdateAudioDevices(
+  void OnUpdateAudioDevices(
       const content::MediaStreamDevices& devices) override;
-  virtual void OnUpdateVideoDevices(
+  void OnUpdateVideoDevices(
       const content::MediaStreamDevices& devices) override;
 
  private:
   enum DeviceType {
     AUDIO,
     VIDEO,
   };
 
   // Sets the default audio/video capture device for media. |args| includes the
   // media type (kAuudio/kVideo) and the unique id of the new default device
   // that the user has chosen.
   void SetDefaultCaptureDevice(const base::ListValue* args);
 
   // Helpers methods to update the device menus.
   void UpdateDevicesMenuForType(DeviceType type);
   void UpdateDevicesMenu(DeviceType type,
                          const content::MediaStreamDevices& devices);
 
   DISALLOW_COPY_AND_ASSIGN(MediaDevicesSelectionHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_MEDIA_DEVICES_SELECTION_HANDLER_H_