Add srcObject attribute of type MediaStream to HTMLMediaElement.

content/public/renderer/media_stream_renderer_factory.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_RENDERER_FACTORY_H_
 #define CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_RENDERER_FACTORY_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "content/public/renderer/media_stream_audio_renderer.h"
 #include "content/public/renderer/video_frame_provider.h"
-#include "url/gurl.h"
 #include "url/origin.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 class TaskRunner;
 }  // namespace base
 
+namespace blink {
+class WebMediaStream;
+}  // namespace blink
+
 namespace media {
 class GpuVideoAcceleratorFactories;
 }  // namespace media
 
 namespace content {
 
 // MediaStreamRendererFactory is used by WebMediaPlayerMS to create audio and
 // video feeds from a MediaStream provided an URL.
 // The factory methods are virtual in order for blink layouttests to be able to
 // override them.
 class MediaStreamRendererFactory {
  public:
   virtual ~MediaStreamRendererFactory() {}
 
   virtual scoped_refptr<VideoFrameProvider> GetVideoFrameProvider(
-      const GURL& url,
+      const blink::WebMediaStream& web_stream,
       const base::Closure& error_cb,
       const VideoFrameProvider::RepaintCB& repaint_cb,
       const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
       const scoped_refptr<base::TaskRunner>& worker_task_runner,
       media::GpuVideoAcceleratorFactories* gpu_factories) = 0;
 
   virtual scoped_refptr<MediaStreamAudioRenderer> GetAudioRenderer(
-      const GURL& url,
+      const blink::WebMediaStream& web_stream,
       int render_frame_id,
       const std::string& device_id,
       const url::Origin& security_origin) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_MEDIA_STREAM_RENDERER_FACTORY_H_