Frog dart:dom using interfaces and native implementation classes.

client/dom/generated/src/frog/TextTrackList.dart

 
-class TextTrackList native "*TextTrackList" {
+class TextTrackListJS implements TextTrackList native "*TextTrackList" {
 
   int get length() native "return this.length;";
 
   EventListener get onaddtrack() native "return this.onaddtrack;";
 
   void set onaddtrack(EventListener value) native "this.onaddtrack = value;";
 
   void addEventListener(String type, EventListener listener, [bool useCapture = null]) native;
 
-  bool dispatchEvent(Event evt) native;
+  bool dispatchEvent(EventJS evt) native;
 
-  TextTrack item(int index) native;
+  TextTrackJS item(int index) native;
 
   void removeEventListener(String type, EventListener listener, [bool useCapture = null]) native;
 
   var dartObjectLocalStorage;
 
   String get typeName() native;
 }