Deliver change notifications to SourceBuffer track lists.

third_party/WebKit/Source/core/html/track/VideoTrack.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/track/VideoTrack.h"
 
 #include "core/html/HTMLMediaElement.h"
 
 namespace blink {
 
@@ skipping 12 matching lines @@
     TrackBase::trace(visitor);
 }
 
 void VideoTrack::setSelected(bool selected)
 {
     if (selected == m_selected)
         return;
 
     m_selected = selected;
 
-    if (mediaElement()) {
-        WebMediaPlayer::TrackId selectedTrackId = id();
-        mediaElement()->selectedVideoTrackChanged(selected ? &selectedTrackId : 0);
-    }
+    if (mediaElement())
+        mediaElement()->selectedVideoTrackChanged(this);
 }
 
 const AtomicString& VideoTrack::alternativeKeyword()
 {
     DEFINE_STATIC_LOCAL(const AtomicString, keyword, ("alternative"));
     return keyword;
 }
 
 const AtomicString& VideoTrack::captionsKeyword()
 {
@@ skipping 30 matching lines @@
     return kind == alternativeKeyword()
         || kind == captionsKeyword()
         || kind == mainKeyword()
         || kind == signKeyword()
         || kind == subtitlesKeyword()
         || kind == commentaryKeyword()
         || kind == emptyAtom;
 }
 
 } // namespace blink