Update {virtual,override} to follow C++11 style in chrome.

chrome/browser/password_manager/password_store_win.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_PASSWORD_MANAGER_PASSWORD_STORE_WIN_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_WIN_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "components/password_manager/core/browser/password_store_default.h"
@@ skipping 15 matching lines @@
   // The |login_db| must not have been Init()-ed yet. It will be initialized in
   // a deferred manner on the DB thread. The |web_data_service| is only used for
   // IE7 password fetching.
   PasswordStoreWin(
       scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner,
       scoped_refptr<base::SingleThreadTaskRunner> db_thread_runner,
       scoped_ptr<password_manager::LoginDatabase> login_db,
       const scoped_refptr<PasswordWebDataService>& web_data_service);
 
   // PasswordStore:
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
  private:
   class DBHandler;
 
   virtual ~PasswordStoreWin();
 
   // Invoked from Shutdown, but run on the DB thread.
   void ShutdownOnDBThread();
 
   // password_manager::PasswordStore:
   void GetLoginsImpl(const autofill::PasswordForm& form,
                      AuthorizationPromptPolicy prompt_policy,
                      scoped_ptr<GetLoginsRequest> request) override;
 
   scoped_ptr<DBHandler> db_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordStoreWin);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_WIN_H_