address comments in CL 4054001

chrome/browser/chromeos/login/shutdown_button.h

 // Copyright (c) 2011 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_CHROMEOS_SHUTDOWN_BUTTON_H_
-#define CHROME_BROWSER_CHROMEOS_SHUTDOWN_BUTTON_H_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SHUTDOWN_BUTTON_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SHUTDOWN_BUTTON_H_
 #pragma once
 
 #include "views/controls/button/text_button.h"
 
 namespace chromeos {
 
 class ShutdownButton : public views::TextButton,
                        public views::ButtonListener {
  public:
   ShutdownButton();
@@ skipping 13 matching lines @@
       const gfx::Point& p);
 
   // views::ButtonListener implementation.
   virtual void ButtonPressed(views::Button* sender, const views::Event& event);
 
   DISALLOW_COPY_AND_ASSIGN(ShutdownButton);
 };
 
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_SHUTDOWN_BUTTON_H
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SHUTDOWN_BUTTON_H