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

chrome/browser/ui/cocoa/location_bar/translate_decoration.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_COCOA_LOCATION_BAR_TRANSLATE_DECORATION_H_
 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_TRANSLATE_DECORATION_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
 
 class CommandUpdater;
 @class TranslateBubbleController;
 
 // Translate icon on the right side of the field. This appears when
 // translation is available on the current page. This icon is lit when
 // translation is already done, otherwise not lit.
 class TranslateDecoration : public ImageDecoration {
  public:
   explicit TranslateDecoration(CommandUpdater* command_updater);
-  virtual ~TranslateDecoration();
+  ~TranslateDecoration() override;
 
   // Toggles the icon on or off.
   void SetLit(bool on);
 
   // Implement |LocationBarDecoration|
-  virtual bool AcceptsMousePress() override;
-  virtual bool OnMousePressed(NSRect frame, NSPoint location) override;
-  virtual NSString* GetToolTip() override;
-  virtual NSPoint GetBubblePointInFrame(NSRect frame) override;
+  bool AcceptsMousePress() override;
+  bool OnMousePressed(NSRect frame, NSPoint location) override;
+  NSString* GetToolTip() override;
+  NSPoint GetBubblePointInFrame(NSRect frame) override;
 
  private:
   // For showing the translate bubble up.
   CommandUpdater* command_updater_;  // Weak, owned by Browser.
 
   DISALLOW_COPY_AND_ASSIGN(TranslateDecoration);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_TRANSLATE_DECORATION_H_