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

Source/modules/mediastream/MediaStream.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011, 2012 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 140 matching lines @@
 MediaStream::~MediaStream()
 {
     m_descriptor->setClient(0);
 }
 
 bool MediaStream::ended() const
 {
     return m_stopped || m_descriptor->ended();
 }
 
+MediaStreamTrackVector MediaStream::getTracks()
+{
+    MediaStreamTrackVector tracks;
+    for (MediaStreamTrackVector::iterator iter = m_audioTracks.begin(); iter != m_audioTracks.end(); ++iter)
+        tracks.append(iter->get());
+    for (MediaStreamTrackVector::iterator iter = m_videoTracks.begin(); iter != m_videoTracks.end(); ++iter)
+        tracks.append(iter->get());
+    return tracks;
+}
+
 void MediaStream::addTrack(MediaStreamTrack* track, ExceptionState& exceptionState)
 {
     if (ended()) {
         exceptionState.throwDOMException(InvalidStateError, "The MediaStream is finished.");
         return;
     }
 
     if (!track) {
         exceptionState.throwDOMException(TypeMismatchError, "The MediaStreamTrack provided is invalid.");
         return;
@@ skipping 211 matching lines @@
 
 void MediaStream::trace(Visitor* visitor)
 {
     visitor->trace(m_audioTracks);
     visitor->trace(m_videoTracks);
     visitor->trace(m_scheduledEvents);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore