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

chrome/browser/ui/webui/options/options_browsertest.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_WEBUI_OPTIONS_OPTIONS_BROWSERTEST_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_BROWSERTEST_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/test/base/web_ui_browser_test.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 // This is a helper class used by options_browsertest.js to feed the navigation
 // history back to the test.
 class OptionsBrowserTest : public WebUIBrowserTest,
                            public content::WebUIMessageHandler {
  public:
   OptionsBrowserTest();
   virtual ~OptionsBrowserTest();
 
  protected:
   // Clears the preference at the given |path|.
   void ClearPref(const char* path);
 
  private:
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // WebUIBrowserTest implementation.
-  virtual content::WebUIMessageHandler* GetMockMessageHandler() override;
+  content::WebUIMessageHandler* GetMockMessageHandler() override;
 
   // A callback for the 'optionsTestReportHistory' message, this sends the
   // URLs in the "back" tab history, including the current entry, back to the
   // WebUI via a callback.
   void ReportHistory(const base::ListValue* list_value);
 
   // A callback for the 'optionsTestSetPref' message. The first argument should
   // be a pref path (e.g., "profile.managed_users"); the second, the new value
   // to set for that pref.
   void HandleSetPref(const base::ListValue* args);
 
   DISALLOW_COPY_AND_ASSIGN(OptionsBrowserTest);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_OPTIONS_BROWSERTEST_H_