Allow transitioning to HAVE_METADATA before pipeline initialization completes.

webkit/media/webmediaplayer_proxy.h

Index: webkit/media/webmediaplayer_proxy.h
diff --git a/webkit/media/webmediaplayer_proxy.h b/webkit/media/webmediaplayer_proxy.h
index 69e0e2cc246561223cea49d1a97009102b963f8b..6c78d279dfe0f1f1d9873b8b9ec8bc57a29b8c07 100644
--- a/webkit/media/webmediaplayer_proxy.h
+++ b/webkit/media/webmediaplayer_proxy.h
@@ -75,10 +75,11 @@ class WebMediaPlayerProxy
   void AbortDataSource();
 
   // Methods for Pipeline -> WebMediaPlayerImpl communication.
-  void PipelineInitializationCallback(media::PipelineStatus status);
   void PipelineSeekCallback(media::PipelineStatus status);
   void PipelineEndedCallback(media::PipelineStatus status);
   void PipelineErrorCallback(media::PipelineStatus error);
+  void PipelineBufferingStateCallback(
+      media::Pipeline::BufferingState buffering_state);
 
   // ChunkDemuxerClient implementation.
   virtual void DemuxerOpened(media::ChunkDemuxer* demuxer) OVERRIDE;
@@ -124,9 +125,6 @@ class WebMediaPlayerProxy
   // Invoke |webmediaplayer_| to perform a repaint.
   void RepaintTask();
 
-  // Notify |webmediaplayer_| that initialization has finished.
-  void PipelineInitializationTask(media::PipelineStatus status);
-
   // Notify |webmediaplayer_| that a seek has finished.
   void PipelineSeekTask(media::PipelineStatus status);
 
@@ -137,6 +135,10 @@ class WebMediaPlayerProxy
   // playback.
   void PipelineErrorTask(media::PipelineStatus error);
 
+  // Notify |webmediaplayer_| of buffering state changes.
+  void PipelineBufferingStateTask(
+      media::Pipeline::BufferingState buffering_state);
+
   // Inform |webmediaplayer_| whether the video content is opaque.
   void SetOpaqueTask(bool opaque);