Move DataSourceHost to BufferedDataSourceHost.

media/base/data_source.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_DATA_SOURCE_H_
 #define MEDIA_BASE_DATA_SOURCE_H_
 
 #include "base/callback.h"
 #include "base/time/time.h"
 #include "media/base/media_export.h"
 
 namespace media {
 
-// TODO(sandersd): Rename to BufferedDataSourceHost and move to
-// content/renderer/media/.
-class MEDIA_EXPORT DataSourceHost {
- public:
-  // Set the total size of the media file.
-  virtual void SetTotalBytes(int64 total_bytes) = 0;
-
-  // Notify the host that byte range [start,end] has been buffered.
-  // TODO(fischman): remove this method when demuxing is push-based instead of
-  // pull-based.  http://crbug.com/131444
-  virtual void AddBufferedByteRange(int64 start, int64 end) = 0;
-
- protected:
-  virtual ~DataSourceHost();
-};
-
 class MEDIA_EXPORT DataSource {
  public:
   typedef base::Callback<void(int64, int64)> StatusCallback;
   typedef base::Callback<void(int)> ReadCB;
   static const int kReadError;
 
   DataSource();
   virtual ~DataSource();
 
   // Reads |size| bytes from |position| into |data|. And when the read is done
@@ skipping 18 matching lines @@
   // Values of |bitrate| <= 0 are invalid and should be ignored.
   virtual void SetBitrate(int bitrate) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DataSource);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DATA_SOURCE_H_