chromium/chrome/test/data/extensions/platform_apps/restrictions/manifest.json

{
  "name": "Platform App Test: various document, window, and API restrictions",
  "manifest_version": 2,
  "version": "1",
  "app": {
    "background": {
      "scripts": ["test.js"]
    }
  },
  "sandbox": {
    "pages": ["sandboxed_iframe.html"]
  }
}