Move DataSource::SetPreload() to BufferedDataSource.

media/base/demuxer.h

 // Copyright (c) 2012 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_BASE_DEMUXER_H_
 #define MEDIA_BASE_DEMUXER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
 #include "media/base/data_source.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
-#include "media/base/preload.h"
 
 namespace media {
 
 class MEDIA_EXPORT DemuxerHost : public DataSourceHost {
  public:
   virtual ~DemuxerHost();
 
   // Get the duration of the media in microseconds.  If the duration has not
   // been determined yet, then returns 0.
   virtual void SetDuration(base::TimeDelta duration) = 0;
@@ skipping 36 matching lines @@
   // This method is called from the pipeline when the audio renderer
   // is disabled. Demuxers can ignore the notification if they do not
   // need to react to this event.
   //
   // TODO(acolwell): Change to generic DisableStream(DemuxerStream::Type).
   virtual void OnAudioRendererDisabled();
 
   // Returns the given stream type, or NULL if that type is not present.
   virtual scoped_refptr<DemuxerStream> GetStream(DemuxerStream::Type type) = 0;
 
-  // Alert the Demuxer that the video preload value has been changed.
-  virtual void SetPreload(Preload preload) = 0;
-
   // Returns the starting time for the media file.
   virtual base::TimeDelta GetStartTime() const = 0;
 
   // Returns the content bitrate. May be obtained from container or
   // approximated. Returns 0 if it is unknown.
   virtual int GetBitrate() = 0;
 
   // Returns true if the source is from a local file or stream (such as a
   // webcam stream), false otherwise.
   virtual bool IsLocalSource() = 0;
@@ skipping 14 matching lines @@
 
  private:
   DemuxerHost* host_;
 
   DISALLOW_COPY_AND_ASSIGN(Demuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DEMUXER_H_