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

chrome/browser/ui/browser_content_setting_bubble_model_delegate.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_BROWSER_CONTENT_SETTING_BUBBLE_MODEL_DELEGATE_H_
 #define CHROME_BROWSER_UI_BROWSER_CONTENT_SETTING_BUBBLE_MODEL_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/content_settings/content_setting_bubble_model_delegate.h"
 
 class Browser;
 
 // Implementation of ContentSettingBubbleModelDelegate which uses an instance of
 // Browser in order to fulfil its duties.
 class BrowserContentSettingBubbleModelDelegate
     : public ContentSettingBubbleModelDelegate {
  public:
   explicit BrowserContentSettingBubbleModelDelegate(Browser* browser);
-  virtual ~BrowserContentSettingBubbleModelDelegate();
+  ~BrowserContentSettingBubbleModelDelegate() override;
 
   // ContentSettingBubbleModelDelegate implementation:
-  virtual void ShowCollectedCookiesDialog(
-      content::WebContents* web_contents) override;
-  virtual void ShowContentSettingsPage(ContentSettingsType type) override;
-  virtual void ShowLearnMorePage(ContentSettingsType type) override;
+  void ShowCollectedCookiesDialog(content::WebContents* web_contents) override;
+  void ShowContentSettingsPage(ContentSettingsType type) override;
+  void ShowLearnMorePage(ContentSettingsType type) override;
 
  private:
   Browser* browser_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserContentSettingBubbleModelDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_CONTENT_SETTING_BUBBLE_MODEL_DELEGATE_H_