Convert wallpaper picker to v2 app

chrome/browser/resources/chromeos/wallpaper_manager/js/main.js

 // 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.
 
 /**
  * Global wallpaperManager reference useful for poking at from the console.
 */
 var wallpaperManager;
 
 function init() {
   window.addEventListener('load',
       windowStateManager.saveStates.bind(windowStateManager));
-  window.addEventListener('unload',
+  window.addEventListener('close',

[Mihai Parparita -not on Chrome, 2012/10/12 00:48:47]

This won't work either. Once http://crbug.com/130465 (in the next week
hopefully), you should be able to listen for a close event.

[bshe, 2012/10/12 16:28:30]

Thanks for info. I will wait for 130465 and the chrome.windows.* api before I
land this CL. Should I block my issue on 130465 though?

On 2012/10/12 00:48:47, Mihai Parparita wrote:

       windowStateManager.restoreStates.bind(windowStateManager));
   WallpaperManager.initStrings(function() {
     wallpaperManager = new WallpaperManager(document.body);
   });
 }
 
 document.addEventListener('DOMContentLoaded', init);