Revert r95841 due to failing media_unittests on linux_shared bot.

media/base/video_frame.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_BASE_VIDEO_FRAME_H_
 #define MEDIA_BASE_VIDEO_FRAME_H_
 
 #include "media/base/buffers.h"
 
 namespace media {
 
-class MEDIA_EXPORT VideoFrame : public StreamSample {
+class VideoFrame : public StreamSample {
  public:
   static const size_t kMaxPlanes = 3;
 
   static const size_t kNumRGBPlanes = 1;
   static const size_t kRGBPlane = 0;
 
   static const size_t kNumYUVPlanes = 3;
   static const size_t kNumNV12Planes = 2;
   static const size_t kYPlane = 0;
   static const size_t kUPlane = 1;
@@ skipping 91 matching lines @@
 
   // Array of data pointers to each plane.
   uint8* data_[kMaxPlanes];
 
   DISALLOW_COPY_AND_ASSIGN(VideoFrame);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_FRAME_H_