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

chrome/browser/ui/content_settings/content_setting_media_menu_model.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_CONTENT_SETTINGS_CONTENT_SETTING_MEDIA_MENU_MODEL_H_
 #define CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_MEDIA_MENU_MODEL_H_
 
 #include <map>
 
 #include "base/callback.h"
 #include "content/public/common/media_stream_request.h"
 #include "ui/base/models/simple_menu_model.h"
 
 class ContentSettingBubbleModel;
 
 // A menu model that builds the contents of the media capture devices menu in
 // the content setting bubble.
 class ContentSettingMediaMenuModel : public ui::SimpleMenuModel,
                                      public ui::SimpleMenuModel::Delegate {
  public:
   // Callback to update the label of the menu in the UI.
   typedef base::Callback<void(content::MediaStreamType, const std::string&)>
       MenuLabelChangedCallback;
 
   ContentSettingMediaMenuModel(
       content::MediaStreamType type,
       ContentSettingBubbleModel* bubble_model,
       const MenuLabelChangedCallback& callback);
-  virtual ~ContentSettingMediaMenuModel();
+  ~ContentSettingMediaMenuModel() override;
 
   // ui::SimpleMenuModel::Delegate:
-  virtual bool IsCommandIdChecked(int command_id) const override;
-  virtual bool IsCommandIdEnabled(int command_id) const override;
-  virtual bool GetAcceleratorForCommandId(
-      int command_id,
-      ui::Accelerator* accelerator) override;
-  virtual void ExecuteCommand(int command_id, int event_flags) override;
+  bool IsCommandIdChecked(int command_id) const override;
+  bool IsCommandIdEnabled(int command_id) const override;
+  bool GetAcceleratorForCommandId(int command_id,
+                                  ui::Accelerator* accelerator) override;
+  void ExecuteCommand(int command_id, int event_flags) override;
 
  private:
   typedef std::map<int, content::MediaStreamDevice> CommandMap;
 
   content::MediaStreamType type_;
   ContentSettingBubbleModel* media_bubble_model_;  // Weak.
   MenuLabelChangedCallback callback_;
   CommandMap commands_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingMediaMenuModel);
 };
 
 #endif  // CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_MEDIA_MENU_MODEL_H_