Revert r95841 due to failing media_unittests on linux_shared bot.

media/video/ffmpeg_video_decode_engine.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_VIDEO_FFMPEG_VIDEO_DECODE_ENGINE_H_
 #define MEDIA_VIDEO_FFMPEG_VIDEO_DECODE_ENGINE_H_
 
 #include <deque>
 
 #include "base/memory/scoped_ptr.h"
 #include "media/ffmpeg/ffmpeg_common.h"
 #include "media/video/video_decode_engine.h"
 
 // FFmpeg types.
 struct AVCodecContext;
 struct AVFrame;
 
 namespace media {
 
-class MEDIA_EXPORT FFmpegVideoDecodeEngine : public VideoDecodeEngine {
+class FFmpegVideoDecodeEngine : public VideoDecodeEngine {
  public:
   FFmpegVideoDecodeEngine();
   virtual ~FFmpegVideoDecodeEngine();
 
   // Implementation of the VideoDecodeEngine Interface.
   virtual void Initialize(MessageLoop* message_loop,
                           VideoDecodeEngine::EventHandler* event_handler,
                           VideoDecodeContext* context,
                           const VideoDecoderConfig& config);
   virtual void ConsumeVideoSample(scoped_refptr<Buffer> buffer);
@@ skipping 35 matching lines @@
 
   // Whether flush operation is pending.
   bool flush_pending_;
 
   DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecodeEngine);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_FFMPEG_VIDEO_DECODE_ENGINE_H_