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

chrome/browser/ui/webui/options/supervised_user_learn_more_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_SUPERVISED_USER_LEARN_MORE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_LEARN_MORE_HANDLER_H_
 
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace options {
 
 // Handler for the "Learn more" dialog available during creation of a supervised
 // user.
 class SupervisedUserLearnMoreHandler : public OptionsPageUIHandler {
  public:
   SupervisedUserLearnMoreHandler();
-  virtual ~SupervisedUserLearnMoreHandler();
+  ~SupervisedUserLearnMoreHandler() override;
 
   // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) override;
+  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserLearnMoreHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_SUPERVISED_USER_LEARN_MORE_HANDLER_H_