chromium/chrome/test/data/extensions/api_test/lazy_background_page/fetch_file_scheme_url_with_file_access/manifest.json

{
  "name": "Lazy BG fetch test",
  "description": "Test that fetching a file scheme URL succeeds",
  "version": "1",
  "manifest_version": 2,
  "permissions": ["file:///*"],
  "background": {
    "scripts": ["background.js"],
    "persistent": false
  }
}