Add ARC version to help and version pages

chrome/browser/ui/webui/help/help_handler.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_WEBUI_HELP_HELP_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 81 matching lines @@
                        const base::string16& fail_message);
 
 #if defined(OS_MACOSX)
   // Callback method which forwards promotion state to the page.
   void SetPromotionState(VersionUpdater::PromotionState state);
 #endif
 
 #if defined(OS_CHROMEOS)
   // Callbacks from VersionLoader.
   void OnOSVersion(const std::string& version);
+  void OnARCVersion(const std::string& firmware);
   void OnOSFirmware(const std::string& firmware);
   void OnCurrentChannel(const std::string& channel);
   void OnTargetChannel(const std::string& channel);
 
   // Callback for when the directory with the regulatory label image and alt
   // text has been found.
   void OnRegulatoryLabelDirFound(const base::FilePath& path);
 
   // Callback for setting the regulatory label source.
   void OnRegulatoryLabelImageFound(const base::FilePath& path);
@@ skipping 11 matching lines @@
   // Used to observe changes in the |kDeviceAutoUpdateDisabled| policy.
   policy::PolicyChangeRegistrar policy_registrar_;
 
   // Used for callbacks.
   base::WeakPtrFactory<HelpHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HelpHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HELP_HELP_HANDLER_H_