Revert r95841 due to failing media_unittests on linux_shared bot.

media/video/video_decode_accelerator.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_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 146 matching lines @@
   // stored in this order in the memory.
   VIDEOCOLORFORMAT_RGBA = 0,
 };
 
 // Video decoder interface.
 // This interface is extended by the various components that ultimately
 // implement the backend of PPB_VideoDecode_Dev.
 //
 // No thread-safety guarantees are implied by the use of RefCountedThreadSafe
 // below.
-class MEDIA_EXPORT VideoDecodeAccelerator
+class VideoDecodeAccelerator
     : public base::RefCountedThreadSafe<VideoDecodeAccelerator> {
  public:
   // Enumeration of potential errors generated by the API.
   // Note: Keep these in sync with PP_VideoDecodeError_Dev.
   enum Error {
     // An operation was attempted during an incompatible decoder state.
     ILLEGAL_STATE = 1,
     // Invalid argument was passed to an API method.
     INVALID_ARGUMENT,
     // Encoded input is unreadable.
@@ skipping 97 matching lines @@
   virtual void Destroy() = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<VideoDecodeAccelerator>;
   virtual ~VideoDecodeAccelerator();
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_