chrome/test/data/extensions/platform_apps/leave_fullscreen/manifest.json

{
  "name": "Test app for leaving fullscreen rules",
  "manifest_version": 2,
  "version": "1",
  "app": {
    "background": {
      "scripts": ["main.js"]
    }
  },
  "permissions": [
    "fullscreen"
  ]
}