Convert wallpaper picker to v2 app

chrome/browser/resources/chromeos/wallpaper_manager/manifest.json

Index: chrome/browser/resources/chromeos/wallpaper_manager/manifest.json
diff --git a/chrome/browser/resources/chromeos/wallpaper_manager/manifest.json b/chrome/browser/resources/chromeos/wallpaper_manager/manifest.json
index c39971efb02e74bcd65795c91a7e27714216f576..6dc36b65ee323c0ee0fd265d9e064cc31afab7fe 100644
--- a/chrome/browser/resources/chromeos/wallpaper_manager/manifest.json
+++ b/chrome/browser/resources/chromeos/wallpaper_manager/manifest.json
@@ -11,20 +11,16 @@
   "permissions": [
     "wallpaperPrivate",
     "tabs",
-    "webRequest",
+    "chrome://resources/",
     "http://lh5.ggpht.com/",
     "https://commondatastorage.googleapis.com/",
     "https://storage.googleapis.com/"
   ],
   "app": {
-    "launch": {
-      "container": "panel",
-      "width": 550,
-      "height": 440,
-      "local_path": "main.html"
+    "background": {
+      "scripts": ["js/event_page.js"],
+      "persistent": false

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

This shouldn't be necessary (all app background pages are not persistent).

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

Done.

     }
   },
-  "content_security_policy":
-    "default-src:none; object-src 'none'; script-src 'self'",
   "display_in_launcher": false
 }