Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/global_error_bubble_view.h

 // Copyright (c) 2012 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_VIEWS_GLOBAL_ERROR_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_GLOBAL_ERROR_BUBBLE_VIEW_H_
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/global_error/global_error_bubble_view_base.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/button.h"
 
 class Browser;
 class GlobalErrorWithStandardBubble;
 
 class GlobalErrorBubbleView : public views::ButtonListener,
                               public views::BubbleDelegateView,
                               public GlobalErrorBubbleViewBase {
  public:
   GlobalErrorBubbleView(
       views::View* anchor_view,
       views::BubbleBorder::Arrow arrow,
       Browser* browser,
       const base::WeakPtr<GlobalErrorWithStandardBubble>& error);
-  virtual ~GlobalErrorBubbleView();
+  ~GlobalErrorBubbleView() override;
 
   // views::ButtonListener implementation.
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::WidgetDelegate implementation.
-  virtual void WindowClosing() override;
+  void WindowClosing() override;
 
   // GlobalErrorBubbleViewBase implementation.
-  virtual void CloseBubbleView() override;
+  void CloseBubbleView() override;
 
  private:
   Browser* browser_;
   base::WeakPtr<GlobalErrorWithStandardBubble> error_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalErrorBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_GLOBAL_ERROR_BUBBLE_VIEW_H_