Move DataSource::SetPreload() to BufferedDataSource.

media/filters/chunk_demuxer.cc

 // 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.
 
 #include "media/filters/chunk_demuxer.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "media/base/audio_decoder_config.h"
@@ skipping 393 matching lines @@
   }
 
   cb.Run(status);
 }
 
 void ChunkDemuxer::OnAudioRendererDisabled() {
   base::AutoLock auto_lock(lock_);
   audio_ = NULL;
 }
 
-void ChunkDemuxer::SetPreload(Preload preload) {}
-
 int ChunkDemuxer::GetBitrate() {
   // TODO(acolwell): Implement bitrate reporting.
   return 0;
 }
 
 bool ChunkDemuxer::IsLocalSource() {
   // TODO(acolwell): Report whether source is local or not.
   return false;
 }
 
@@ skipping 305 matching lines @@
   if (!video_->CanAddBuffers(buffers))
     return false;
 
   video_->AddBuffers(buffers);
   seek_waits_for_data_ = false;
 
   return true;
 }
 
 }  // namespace media