Add srcObject attribute of type MediaStream to HTMLMediaElement.

third_party/WebKit/public/platform/WebMediaPlayer.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 32 matching lines @@
 namespace gpu {
 namespace gles2 {
 class GLES2Interface;
 }
 }
 
 namespace blink {
 
 class WebAudioSourceProvider;
 class WebContentDecryptionModule;
+class WebMediaElementSource;
 class WebSecurityOrigin;
 class WebString;
 class WebURL;
 struct WebRect;
 struct WebSize;
 
 class WebMediaPlayer {
 public:
     enum NetworkState {
         NetworkStateEmpty,
@@ skipping 36 matching lines @@
         LoadTypeMediaSource = 1,
         LoadTypeMediaStream = 2,
         LoadTypeMax = LoadTypeMediaStream,
     };
 
     typedef unsigned TrackId;
     enum TrackType { TextTrack, AudioTrack, VideoTrack };
 
     virtual ~WebMediaPlayer() { }
 
-    virtual void load(LoadType, const WebURL&, CORSMode) = 0;
+    virtual void load(LoadType, const WebMediaElementSource&, CORSMode) = 0;
 
     // Playback controls.
     virtual void play() = 0;
     virtual void pause() = 0;
     virtual bool supportsSave() const = 0;
     virtual void seek(double seconds) = 0;
     virtual void setRate(double) = 0;
     virtual void setVolume(double) = 0;
 
     virtual void requestRemotePlayback() { }
@@ skipping 76 matching lines @@
     virtual void exitedFullscreen() { }
 
     virtual void enabledAudioTracksChanged(const WebVector<TrackId>& enabledTrackIds) { }
     // |selectedTrackId| is null if no track is selected.
     virtual void selectedVideoTrackChanged(TrackId* selectedTrackId) { }
 };
 
 } // namespace blink
 
 #endif