Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/sad_tab_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_SAD_TAB_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/sad_tab.h"
@@ skipping 17 matching lines @@
 //  A views::View subclass used to render the presentation of the crashed
 //  "sad tab" in the browser window when a renderer is destroyed unnaturally.
 //
 ///////////////////////////////////////////////////////////////////////////////
 class SadTabView : public chrome::SadTab,
                    public views::View,
                    public views::LinkListener,
                    public views::ButtonListener {
  public:
   SadTabView(content::WebContents* web_contents, chrome::SadTabKind kind);
-  virtual ~SadTabView();
+  ~SadTabView() override;
 
   // Overridden from views::View:
-  virtual void Layout() override;
+  void Layout() override;
 
   // Overridden from views::LinkListener:
-  virtual void LinkClicked(views::Link* source, int event_flags) override;
+  void LinkClicked(views::Link* source, int event_flags) override;
 
   // Overridden from views::ButtonListener:
-  virtual void ButtonPressed(views::Button* source,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* source, const ui::Event& event) override;
 
  protected:
   // Overridden from views::View:
-  virtual void OnPaint(gfx::Canvas* canvas) override;
+  void OnPaint(gfx::Canvas* canvas) override;
 
  private:
   // Overridden from chrome::SadTab:
-  virtual void Show() override;
-  virtual void Close() override;
+  void Show() override;
+  void Close() override;
 
   views::Label* CreateLabel(const base::string16& text);
   views::Link* CreateLink(const base::string16& text);
 
   content::WebContents* web_contents_;
   chrome::SadTabKind kind_;
   bool painted_;
   views::Label* message_;
   views::Link* help_link_;
   views::Link* feedback_link_;
   views::LabelButton* reload_button_;
 
   DISALLOW_COPY_AND_ASSIGN(SadTabView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_SAD_TAB_VIEW_H__