RtcIceCandidate构造函数
- Map dictionary
实现
factory RtcIceCandidate(Map dictionary) {
var constructorName = JS('', 'window[#]', 'RTCIceCandidate');
return JS('RtcIceCandidate', 'new #(#)', constructorName,
convertDartToNative_SerializedScriptValue(dictionary));
}