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

chrome/browser/ui/webui/options/automatic_settings_reset_handler.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 CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOMATIC_SETTINGS_RESET_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOMATIC_SETTINGS_RESET_HANDLER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
 namespace options {
 
 // Handler for the banner that displays a settings reset event at the top of the
 // settings page.
 class AutomaticSettingsResetHandler : public OptionsPageUIHandler {
  public:
   AutomaticSettingsResetHandler();
-  virtual ~AutomaticSettingsResetHandler();
+  ~AutomaticSettingsResetHandler() override;
 
   // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) override;
-  virtual void InitializePage() override;
+  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
+  void InitializePage() override;
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AutomaticSettingsResetHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_AUTOMATIC_SETTINGS_RESET_HANDLER_H_