Add srcObject attribute of type MediaStream to HTMLMediaElement.

content/public/renderer/media_stream_renderer_factory.h

Index: content/public/renderer/media_stream_renderer_factory.h
diff --git a/content/public/renderer/media_stream_renderer_factory.h b/content/public/renderer/media_stream_renderer_factory.h
index 963767c43a6a27600689d3a8e3bca47b53151747..12d91209c4daae25e4856d9d2ae91e6e80aca220 100644
--- a/content/public/renderer/media_stream_renderer_factory.h
+++ b/content/public/renderer/media_stream_renderer_factory.h
@@ -11,7 +11,6 @@
 #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 {
@@ -19,6 +18,10 @@ class SingleThreadTaskRunner;
 class TaskRunner;
 }  // namespace base
 
+namespace blink {
+class WebMediaStream;
+}  // namespace blink
+
 namespace media {
 class GpuVideoAcceleratorFactories;
 }  // namespace media
@@ -34,7 +37,7 @@ class MediaStreamRendererFactory {
   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,
@@ -42,7 +45,7 @@ class MediaStreamRendererFactory {
       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;