chrome/test/data/extensions/app/manifest.json

   1 {
   2   "name": "App Test",
   3   "version": "1",
   4   "manifest_version": 2,
   5   "permissions": [
   6     "notifications"
   7   ],
   8   "app": {
   9     "launch": {
  10       "web_url": "http://www.example.com/empty.html"
  11     }
  12   }
  13 }