Implement the new wallpaper manager launcher window.

chrome/browser/ui/webui/options2/browser_options_handler2.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_OPTIONS2_BROWSER_OPTIONS_HANDLER2_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_BROWSER_OPTIONS_HANDLER2_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 207 matching lines @@
   // Setup the enabled or disabled state of the cloud print connector
   // management UI.
   void SetupCloudPrintConnectorSection();
 
   // Remove cloud print connector section if cloud print connector management
   //  UI is disabled.
   void RemoveCloudPrintConnectorSection();
 #endif
 
 #if defined(OS_CHROMEOS)
+  // Opens the wallpaper manager component extension.
+  void HandleOpenWallpaperManager(const base::ListValue* args);
+
   // Called when the accessibility checkbox values are changed.
   // |args| will contain the checkbox checked state as a string
   // ("true" or "false").
   void SpokenFeedbackChangeCallback(const base::ListValue* args);
   void HighContrastChangeCallback(const base::ListValue* args);
   void ScreenMagnifierChangeCallback(const base::ListValue* args);
   void VirtualKeyboardChangeCallback(const base::ListValue* args);
 #endif
 
 #if !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
@@ skipping 77 matching lines @@
 #if !defined(OS_CHROMEOS)
   scoped_ptr<PrefSetObserver> proxy_prefs_;
 #endif  // !defined(OS_CHROMEOS)
 
   DISALLOW_COPY_AND_ASSIGN(BrowserOptionsHandler);
 };
 
 }  // namespace options2
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_BROWSER_OPTIONS_HANDLER2_H_