Source
@DomName('MediaKeyMessageEvent.MediaKeyMessageEvent') @DocsEditable() factory MediaKeyMessageEvent(String type, [Map eventInitDict]) { if (eventInitDict != null) { var eventInitDict_1 = convertDartToNative_Dictionary(eventInitDict); return MediaKeyMessageEvent._create_1(type, eventInitDict_1); } return MediaKeyMessageEvent._create_2(type); }