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

chrome/browser/renderer_context_menu/render_view_context_menu_browsertest_util.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_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BROWSERTEST_UTIL_H_
 #define CHROME_BROWSER_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BROWSERTEST_UTIL_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/common/context_menu_params.h"
 
 class RenderViewContextMenu;
 
 class ContextMenuNotificationObserver : public content::NotificationObserver {
  public:
   // Wait for a context menu to be shown, and then execute |command_to_execute|.
   explicit ContextMenuNotificationObserver(int command_to_execute);
-  virtual ~ContextMenuNotificationObserver();
+  ~ContextMenuNotificationObserver() override;
 
  private:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   void ExecuteCommand(RenderViewContextMenu* context_menu);
 
   content::NotificationRegistrar registrar_;
   int command_to_execute_;
 
   DISALLOW_COPY_AND_ASSIGN(ContextMenuNotificationObserver);
 };
 
 class SaveLinkAsContextMenuObserver : public ContextMenuNotificationObserver {
  public:
   // Register to listen for notifications of
   // NOTIFICATION_RENDER_VIEW_CONTEXT_MENU_SHOWN from either
   // a specific source, or from all sources if |source| is
   // NotificationService::AllSources().
   explicit SaveLinkAsContextMenuObserver(
       const content::NotificationSource& source);
-  virtual ~SaveLinkAsContextMenuObserver();
+  ~SaveLinkAsContextMenuObserver() override;
 
   // Suggested filename for file downloaded through "Save Link As" option.
   base::string16 GetSuggestedFilename();
 
   // Wait for context menu to be visible.
   void WaitForMenu();
 
  private:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   void Cancel(RenderViewContextMenu* context_menu);
 
   bool menu_visible_;
   content::ContextMenuParams params_;
 
   DISALLOW_COPY_AND_ASSIGN(SaveLinkAsContextMenuObserver);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_CONTEXT_MENU_RENDER_VIEW_CONTEXT_MENU_BROWSERTEST_UTIL_H_