Add enables consistent with Chrome's WebKit

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

 
 class HTMLMediaElement extends HTMLElement native "HTMLMediaElement" {
 
+  static final int EOS_DECODE_ERR = 2;
+
+  static final int EOS_NETWORK_ERR = 1;
+
+  static final int EOS_NO_ERROR = 0;
+
   static final int HAVE_CURRENT_DATA = 2;
 
   static final int HAVE_ENOUGH_DATA = 4;
 
   static final int HAVE_FUTURE_DATA = 3;
 
   static final int HAVE_METADATA = 1;
 
   static final int HAVE_NOTHING = 0;
 
   static final int NETWORK_EMPTY = 0;
 
   static final int NETWORK_IDLE = 1;
 
   static final int NETWORK_LOADING = 2;
 
   static final int NETWORK_NO_SOURCE = 3;
 
+  static final int SOURCE_CLOSED = 0;
+
+  static final int SOURCE_ENDED = 2;
+
+  static final int SOURCE_OPEN = 1;
+
   bool autoplay;
 
   TimeRanges buffered;
 
   bool controls;
 
   String currentSrc;
 
   num currentTime;
 
@@ skipping 34 matching lines @@
   num startTime;
 
   num volume;
 
   int webkitAudioDecodedByteCount;
 
   bool webkitClosedCaptionsVisible;
 
   bool webkitHasClosedCaptions;
 
+  String webkitMediaSourceURL;
+
   bool webkitPreservesPitch;
 
+  int webkitSourceState;
+
   int webkitVideoDecodedByteCount;
 
+  TextTrack addTrack(String kind, [String label = null, String language = null]) native;
+
   String canPlayType(String type) native;
 
   void load() native;
 
   void pause() native;
 
   void play() native;
+
+  void webkitSourceAppend(Uint8Array data) native;
+
+  void webkitSourceEndOfStream(int status) native;
 }