Revert 115214 (caused media_unittests failure in FFmpegGlueTest,

media/filters/chunk_demuxer.cc

 // Copyright (c) 2011 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.
 
 // Implements a Demuxer that can switch among different data sources mid-stream.
 // Uses FFmpegDemuxer under the covers, so see the caveats at the top of
 // ffmpeg_demuxer.h.
 
 #include "media/filters/chunk_demuxer.h"
 
@@ skipping 392 matching lines @@
 
   if (state_ == SHUTDOWN)
     return;
 
   if (audio_.get())
     audio_->Flush();
 
   if (video_.get())
     video_->Flush();
 
-  byte_queue_.Reset();
-  cluster_parser_->Reset();
-
   seek_waits_for_data_ = true;
   ChangeState_Locked(INITIALIZED);
 }
 
 bool ChunkDemuxer::AppendData(const uint8* data, size_t length) {
   VLOG(1) << "AppendData(" << length << ")";
 
   if (!data || length == 0u)
     return false;
 
@@ skipping 388 matching lines @@
     base::AutoUnlock auto_unlock(lock_);
     if (cb.is_null()) {
       host()->OnDemuxerError(error);
       return;
     }
     cb.Run(error);
   }
 }
 
 }  // namespace media