chrome/test/data/extensions/api_test/login_screen_apis/extension/manifest.json

{
  "name": "Login screen APIs test extension",
  "version": "1.23",
  "manifest_version": 2,
  "description": "Login screen APIs test extension",
  "background": {
    "scripts": ["background.js"],
    "persistent": false
  },
  "permissions": [
    "loginScreenUi",
    "storage",
    "login"
  ]
}