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

chrome/browser/ui/external_protocol_dialog_delegate.h

 // Copyright (c) 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_EXTERNAL_PROTOCOL_DIALOG_DELEGATE_H_
 #define CHROME_BROWSER_UI_EXTERNAL_PROTOCOL_DIALOG_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/time/time.h"
 #include "chrome/browser/ui/protocol_dialog_delegate.h"
 #include "url/gurl.h"
 
 // Provides text for the external protocol handler dialog and handles whether
 // or not to launch the application for the given protocol.
 class ExternalProtocolDialogDelegate : public ProtocolDialogDelegate {
  public:
   explicit ExternalProtocolDialogDelegate(const GURL& url,
                                           int render_process_host_id,
                                           int tab_contents_id);
-  virtual ~ExternalProtocolDialogDelegate();
+  ~ExternalProtocolDialogDelegate() override;
 
   const base::string16& program_name() const { return program_name_; }
 
-  virtual void DoAccept(const GURL& url, bool dont_block) const override;
-  virtual void DoCancel(const GURL& url, bool dont_block) const override;
+  void DoAccept(const GURL& url, bool dont_block) const override;
+  void DoCancel(const GURL& url, bool dont_block) const override;
 
-  virtual base::string16 GetMessageText() const override;
-  virtual base::string16 GetCheckboxText() const override;
-  virtual base::string16 GetTitleText() const override;
+  base::string16 GetMessageText() const override;
+  base::string16 GetCheckboxText() const override;
+  base::string16 GetTitleText() const override;
 
  private:
   int render_process_host_id_;
   int tab_contents_id_;
   const base::string16 program_name_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalProtocolDialogDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_EXTERNAL_PROTOCOL_DIALOG_DELEGATE_H_