close method
Closes Chromium and all of its pages (if any were opened). The Browser object itself is considered to be disposed and cannot be used anymore.
Implementation
Future<void> close() async {
// Try to give a chance to other message to arrive before we complete the future
// with an error
await Future.delayed(Duration.zero);
await _closeCallback();
await connection.dispose('Browser.close');
_dispose();
}