create WebMediaPlayer based on URL

webkit/media/media_stream_client.h

Index: webkit/media/media_stream_client.h
===================================================================
--- webkit/media/media_stream_client.h	(revision 135772)
+++ webkit/media/media_stream_client.h	(working copy)
@@ -10,16 +10,21 @@
 class GURL;
 
 namespace media {
+class MessageLoopFactory;
 class VideoDecoder;
-class MessageLoopFactory;
 }
 
 namespace webkit_media {
 
+class VideoFrameProvider;
+
 // Define an interface for media stream client to get some information about
 // the media stream.
 class MediaStreamClient {
  public:
+  virtual bool IsMediaStream(const WebKit::WebURL url) = 0;
+  virtual scoped_refptr<webkit_media::VideoFrameProvider> GetVideoFrameProvider(
+      const GURL& url, const base::Closure& paint_cb) = 0;
   virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder(
       const GURL& url,
       media::MessageLoopFactory* message_loop_factory) = 0;