Prime the landing pad for the new video rendering pipeline.

media/base/renderer_factory.h

Index: media/base/renderer_factory.h
diff --git a/media/base/renderer_factory.h b/media/base/renderer_factory.h
index 211447e6708f21d97178b081dfffe30a8c324752..aea3a53496e6b27a2e45c54b930d00dcf38a2c94 100644
--- a/media/base/renderer_factory.h
+++ b/media/base/renderer_factory.h
@@ -18,6 +18,7 @@ class SingleThreadTaskRunner;
 namespace media {
 
 class AudioRendererSink;
+class VideoRendererSink;
 
 // A factory class for creating media::Renderer to be used by media pipeline.
 class MEDIA_EXPORT RendererFactory {
@@ -28,10 +29,12 @@ class MEDIA_EXPORT RendererFactory {
   // Creates and returns a Renderer. All methods of the created Renderer except
   // for GetMediaTime() will be called on the |media_task_runner|.
   // GetMediaTime() could be called on any thread.
-  // The created Renderer can use the |audio_renderer_sink| to render audio.
+  // The created Renderer can use |audio_renderer_sink| to render audio and
+  // |video_renderer_sink| to render video.
   virtual scoped_ptr<Renderer> CreateRenderer(
       const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
-      AudioRendererSink* audio_renderer_sink) = 0;
+      AudioRendererSink* audio_renderer_sink,
+      VideoRendererSink* video_renderer_sink) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RendererFactory);