MediaResource refactoring to support multiple streams

media/base/renderer.h

Index: media/base/renderer.h
diff --git a/media/base/renderer.h b/media/base/renderer.h
index fe3a49a5bcec999153bb16b887a997e58e73e99f..44e353dfd46a5d447dc4185515c2852697d3b718 100644
--- a/media/base/renderer.h
+++ b/media/base/renderer.h
@@ -16,7 +16,7 @@
 
 namespace media {
 
-class DemuxerStreamProvider;
+class MediaResource;
 class RendererClient;
 
 class MEDIA_EXPORT Renderer {
@@ -26,12 +26,12 @@ class MEDIA_EXPORT Renderer {
   // Stops rendering and fires any pending callbacks.
   virtual ~Renderer();
 
-  // Initializes the Renderer with |demuxer_stream_provider|, executing
-  // |init_cb| upon completion. |demuxer_stream_provider| must be valid for
+  // Initializes the Renderer with |media_resource|, executing
+  // |init_cb| upon completion. |media_resource| must be valid for

[xhwang, 2017/02/01 18:26:03]

nit: please re-flow the comment

[servolk, 2017/02/01 22:29:17]

Done.

   // the lifetime of the Renderer object.  |init_cb| must only be run after this
   // method has returned.  Firing |init_cb| may result in the immediate
   // destruction of the caller, so it must be run only prior to returning.
-  virtual void Initialize(DemuxerStreamProvider* demuxer_stream_provider,
+  virtual void Initialize(MediaResource* media_resource,
                           RendererClient* client,
                           const PipelineStatusCB& init_cb) = 0;