test/regression/0300/0399.unit

>>> (indent 2)
  Optional<Cookie> getCookie(String name) => new Optional.fromNullable(_driver
      .cookies
      .all.firstWhere((cookie) => cookie.name == name, orElse: () => null));
<<<
  Optional<Cookie> getCookie(String name) =>
      new Optional.fromNullable(
        _driver.cookies.all.firstWhere(
          (cookie) => cookie.name == name,
          orElse: () => null,
        ),
      );