Revert r95841 due to failing media_unittests on linux_shared bot.

media/filters/chunk_demuxer.h

 // 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.
 
 #ifndef MEDIA_FILTERS_CHUNK_DEMUXER_H_
 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_
 
 #include <list>
 
 #include "base/synchronization/lock.h"
 #include "media/base/filters.h"
 #include "media/webm/webm_cluster_parser.h"
 
 struct AVFormatContext;
 
 namespace media {
 
 class ChunkDemuxerClient;
 class ChunkDemuxerStream;
 class FFmpegURLProtocol;
 
 // Demuxer implementation that allows chunks of WebM media data to be passed
 // from JavaScript to the media stack.
-class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
+class ChunkDemuxer : public Demuxer {
  public:
   explicit ChunkDemuxer(ChunkDemuxerClient* client);
   virtual ~ChunkDemuxer();
 
   void Init(PipelineStatusCB cb);
 
   // Filter implementation.
   virtual void set_host(FilterHost* filter_host);
   virtual void Stop(FilterCallback* callback);
   virtual void Seek(base::TimeDelta time, const FilterStatusCB&  cb);
@@ skipping 78 matching lines @@
   // Should a Seek() call wait for more data before calling the
   // callback.
   bool seek_waits_for_data_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_H_