Add shutdown option to wrench menu.

chrome/browser/ui/browser.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_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 622 matching lines @@
   void OpenUpdateChromeDialog();
   void ShowHelpTab();
   void OpenAutofillHelpTabAndActivate();
   void OpenPrivacyDashboardTabAndActivate();
   void OpenSearchEngineOptionsDialog();
 #if defined(FILE_MANAGER_EXTENSION)
   void OpenFileManager();
 #endif
 #if defined(OS_CHROMEOS)
   void LockScreen();
+  void Shutdown();
   void OpenSystemOptionsDialog();
   void OpenInternetOptionsDialog();
   void OpenLanguageOptionsDialog();
   void OpenSystemTabAndActivate();
   void OpenMobilePlanTabAndActivate();
 #endif
   void OpenPluginsTabAndActivate();
   void ShowSyncSetup();
   void ToggleSpeechInput();
 
@@ skipping 775 matching lines @@
 
   scoped_refptr<FullscreenController> fullscreen_controller_;
 
   // True if the browser window has been shown at least once.
   bool window_has_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_