Switch from a DataPipe per DecoderBuffer to a single one.

media/mojo/services/mojo_demuxer_stream_adapter.h

 // Copyright 2014 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_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_
 #define MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_
 
 #include <queue>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 51 matching lines @@
   // on to the caller of Read() until OnAudioDecoderConfigChanged is observed.
   DemuxerStream::ReadCB read_cb_;
 
   // The front of the queue is the current config. We pop when we observe
   // DemuxerStatus::CONFIG_CHANGED.
   std::queue<AudioDecoderConfig> audio_config_queue_;
   std::queue<VideoDecoderConfig> video_config_queue_;
 
   DemuxerStream::Type type_;
 
+  // DataPipe for deserializing the data section of DecoderBuffers from.
+  mojo::ScopedDataPipeConsumerHandle stream_pipe_;
+
   base::WeakPtrFactory<MojoDemuxerStreamAdapter> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(MojoDemuxerStreamAdapter);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_DEMUXER_STREAM_ADAPTER_H_