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

   1 {
   2   "name": "App Test: panel container",
   3   "version": "1",
   4   "manifest_version": 2,
   5   "permissions": [
   6     "notifications"
   7   ],
   8   "app": {
   9     "launch": {
  10       "local_path": "empty.html",
  11       "container": "panel"
  12     }
  13   }
  14 }