Move DataSource::SetPreload() to BufferedDataSource.

media/filters/ffmpeg_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 "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 311 matching lines @@
 void FFmpegDemuxer::Seek(base::TimeDelta time, const PipelineStatusCB& cb) {
   message_loop_->PostTask(FROM_HERE,
                           base::Bind(&FFmpegDemuxer::SeekTask, this, time, cb));
 }
 
 void FFmpegDemuxer::SetPlaybackRate(float playback_rate) {
   DCHECK(data_source_.get());
   data_source_->SetPlaybackRate(playback_rate);
 }
 
-void FFmpegDemuxer::SetPreload(Preload preload) {
-  DCHECK(data_source_.get());
-  data_source_->SetPreload(preload);
-}
-
 void FFmpegDemuxer::OnAudioRendererDisabled() {
   message_loop_->PostTask(FROM_HERE, base::Bind(
       &FFmpegDemuxer::DisableAudioStreamTask, this));
 }
 
 void FFmpegDemuxer::set_host(DemuxerHost* demuxer_host) {
   Demuxer::set_host(demuxer_host);
   if (data_source_)
     data_source_->set_host(demuxer_host);
   if (max_duration_.InMicroseconds() >= 0)
@@ skipping 394 matching lines @@
   read_event_.Wait();
   return last_read_bytes_;
 }
 
 void FFmpegDemuxer::SignalReadCompleted(size_t size) {
   last_read_bytes_ = size;
   read_event_.Signal();
 }
 
 }  // namespace media