Standardize usage of virtual/override/final in components/

components/translate/core/browser/options_menu_model.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_TRANSLATE_CORE_BROWSER_OPTIONS_MENU_MODEL_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_OPTIONS_MENU_MODEL_H_
 
 #include "ui/base/models/simple_menu_model.h"
 
 namespace translate {
 
 class TranslateInfoBarDelegate;
 
 // A menu model that builds the contents of the options menu in the translate
 // infobar. This menu has only one level (no submenus).
 class OptionsMenuModel : public ui::SimpleMenuModel,
                          public ui::SimpleMenuModel::Delegate {
  public:
   // Command IDs of the items in this menu; exposed for testing.
   enum CommandID {
     ABOUT_TRANSLATE = 0,
     ALWAYS_TRANSLATE,
     NEVER_TRANSLATE_LANGUAGE,
     NEVER_TRANSLATE_SITE,
     REPORT_BAD_DETECTION
   };
 
   explicit OptionsMenuModel(TranslateInfoBarDelegate* translate_delegate);
-  virtual ~OptionsMenuModel();
+  ~OptionsMenuModel() override;
 
   // ui::SimpleMenuModel::Delegate implementation:
-  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:
   TranslateInfoBarDelegate* translate_infobar_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsMenuModel);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_OPTIONS_MENU_MODEL_H_