Implement sequence<MediaStreamTrack> getTracks () This is to conform to the new spec- http://dev.w3…

Source/modules/mediastream/MediaStream.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 46 matching lines @@
 
     String id() const { return m_descriptor->id(); }
 
     void addTrack(MediaStreamTrack*, ExceptionState&);
     void removeTrack(MediaStreamTrack*, ExceptionState&);
     MediaStreamTrack* getTrackById(String);
     MediaStream* clone(ExecutionContext*);
 
     MediaStreamTrackVector getAudioTracks() const { return m_audioTracks; }
     MediaStreamTrackVector getVideoTracks() const { return m_videoTracks; }
+    MediaStreamTrackVector getTracks();
 
     bool ended() const;
     void stop();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(addtrack);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(removetrack);
 
     void trackEnded();
 
@@ skipping 33 matching lines @@
 
     Timer<MediaStream> m_scheduledEventTimer;
     WillBeHeapVector<RefPtrWillBeMember<Event> > m_scheduledEvents;
 };
 
 typedef HeapVector<Member<MediaStream> > MediaStreamVector;
 
 } // namespace WebCore
 
 #endif // MediaStream_h