Add srcObject attribute of type MediaStream to HTMLMediaElement.

content/shell/renderer/layout_test/test_media_stream_renderer_factory.cc

 // 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 "content/shell/renderer/layout_test/test_media_stream_renderer_factory.h"
 
 #include "content/shell/renderer/layout_test/test_video_frame_provider.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 #include "url/gurl.h"
 
 using namespace blink;
 
 namespace {
 
 static const int kVideoCaptureWidth = 352;
 static const int kVideoCaptureHeight = 288;
 static const int kVideoCaptureFrameDurationMs = 33;
 
-bool IsMockMediaStreamWithVideo(const WebURL& url) {
+bool IsMockMediaStreamWithVideo(const WebMediaStream& web_stream) {
 #if ENABLE_WEBRTC
-  WebMediaStream descriptor(
-      WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
-  if (descriptor.isNull())
+  if (web_stream.isNull())
     return false;
   WebVector<WebMediaStreamTrack> video_tracks;
-  descriptor.videoTracks(video_tracks);
+  web_stream.videoTracks(video_tracks);
   return video_tracks.size() > 0;
 #else
   return false;
 #endif
 }
 
 }  // namespace
 
 namespace content {
 
 TestMediaStreamRendererFactory::TestMediaStreamRendererFactory() {}
 
 TestMediaStreamRendererFactory::~TestMediaStreamRendererFactory() {}
 
 scoped_refptr<VideoFrameProvider>
 TestMediaStreamRendererFactory::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) {
-  if (!IsMockMediaStreamWithVideo(url))
+  if (!IsMockMediaStreamWithVideo(web_stream))
     return NULL;
 
   return new TestVideoFrameProvider(
       gfx::Size(kVideoCaptureWidth, kVideoCaptureHeight),
       base::TimeDelta::FromMilliseconds(kVideoCaptureFrameDurationMs),
       error_cb,
       repaint_cb);
 }
 
 scoped_refptr<MediaStreamAudioRenderer>
 TestMediaStreamRendererFactory::GetAudioRenderer(
-    const GURL& url,
+    const blink::WebMediaStream& web_stream,
     int render_frame_id,
     const std::string& device_id,
     const url::Origin& security_origin) {
   return NULL;
 }
 
 }  // namespace content