chromium/chrome/test/data/extensions/manifest_tests/launch_local_path_localized.json

{
  "name": "test",
  "manifest_version": 2,
  "version": "1",
  "default_locale": "en",
  "app": {
    "launch": {
      "local_path": "__MSG_local_launch_path__"
    }
  }
}