Move Demuxer::set_host() to Initialize().

media/filters/chunk_demuxer.h

Index: media/filters/chunk_demuxer.h
diff --git a/media/filters/chunk_demuxer.h b/media/filters/chunk_demuxer.h
index 8e141c8b62159fd5574ea3428a9d2b70148f52b4..ae690b912fc798d8070bd238587783ecca8b4a19 100644
--- a/media/filters/chunk_demuxer.h
+++ b/media/filters/chunk_demuxer.h
@@ -26,7 +26,8 @@ class MEDIA_EXPORT ChunkDemuxer : public Demuxer, public StreamParserHost {
   virtual ~ChunkDemuxer();
 
   // Demuxer implementation.
-  virtual void Initialize(const PipelineStatusCB& cb) OVERRIDE;
+  virtual void Initialize(DemuxerHost* host,
+                          const PipelineStatusCB& cb) OVERRIDE;
   virtual void Stop(const base::Closure& callback) OVERRIDE;
   virtual void Seek(base::TimeDelta time, const PipelineStatusCB&  cb) OVERRIDE;
   virtual void OnAudioRendererDisabled() OVERRIDE;
@@ -74,6 +75,7 @@ class MEDIA_EXPORT ChunkDemuxer : public Demuxer, public StreamParserHost {
   base::Lock lock_;
   State state_;
 
+  DemuxerHost* host_;
   ChunkDemuxerClient* client_;
   PipelineStatusCB init_cb_;
   PipelineStatusCB seek_cb_;