Removing DataSource from Filter hierarchy

media/filters/chunk_demuxer.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_FILTERS_CHUNK_DEMUXER_H_
 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_
 
 #include <list>
 
 #include "base/synchronization/lock.h"
@@ skipping 12 matching lines @@
 // Demuxer implementation that allows chunks of WebM media data to be passed
 // from JavaScript to the media stack.
 class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
  public:
   explicit ChunkDemuxer(ChunkDemuxerClient* client);
   virtual ~ChunkDemuxer();
 
   void Init(const PipelineStatusCB& cb);
 
   // Demuxer implementation.
-  virtual void set_host(FilterHost* filter_host) OVERRIDE;
+  virtual void set_host(DemuxerHost* host) OVERRIDE;
   virtual void Stop(const base::Closure& callback) OVERRIDE;
   virtual void Seek(base::TimeDelta time, const PipelineStatusCB&  cb) OVERRIDE;
   virtual void OnAudioRendererDisabled() OVERRIDE;
   virtual scoped_refptr<DemuxerStream> GetStream(
       DemuxerStream::Type type) OVERRIDE;
   virtual void SetPreload(Preload preload) OVERRIDE;
   virtual base::TimeDelta GetStartTime() const OVERRIDE;
   virtual int GetBitrate() OVERRIDE;
   virtual bool IsLocalSource() OVERRIDE;
   virtual bool IsSeekable() OVERRIDE;
@@ skipping 86 matching lines @@
   bool seek_waits_for_data_;
 
   ByteQueue byte_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_H_