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

chrome/browser/ui/sync/one_click_signin_bubble_links_delegate.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_SYNC_ONE_CLICK_SIGNIN_BUBBLE_LINKS_DELEGATE_H_
 #define CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_BUBBLE_LINKS_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/sync/one_click_signin_bubble_delegate.h"
 
 class Browser;
 
 class OneClickSigninBubbleLinksDelegate : public OneClickSigninBubbleDelegate {
  public:
   // |browser| must outlive the delegate.
   explicit OneClickSigninBubbleLinksDelegate(Browser* browser);
-  virtual ~OneClickSigninBubbleLinksDelegate();
+  ~OneClickSigninBubbleLinksDelegate() override;
 
  private:
   // OneClickSigninBubbleDelegate:
-  virtual void OnLearnMoreLinkClicked(bool is_dialog) override;
-  virtual void OnAdvancedLinkClicked() override;
+  void OnLearnMoreLinkClicked(bool is_dialog) override;
+  void OnAdvancedLinkClicked() override;
 
   // Browser in which the links should be opened.
   Browser* browser_;
 
   DISALLOW_COPY_AND_ASSIGN(OneClickSigninBubbleLinksDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_SYNC_ONE_CLICK_SIGNIN_BUBBLE_LINKS_DELEGATE_H_