Enable media.dll / libmedia.so.

media/video/picture.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_PICTURE_H_
 #define MEDIA_VIDEO_PICTURE_H_
 
 #include "base/basictypes.h"
+#include "media/base/media_export.h"
 #include "ui/gfx/gl/gl_context.h"
 #include "ui/gfx/size.h"
 
 namespace media {
 
 // A picture buffer that is composed of a GLES2 texture.
 // This is the media-namespace equivalent of PP_PictureBuffer_Dev.
-class PictureBuffer {
+class MEDIA_EXPORT PictureBuffer {
  public:
   PictureBuffer(int32 id, gfx::Size size, uint32 texture_id);
 
   // Returns the client-specified id of the buffer.
   int32 id() const {
     return id_;
   }
 
   // Returns the size of the buffer.
   gfx::Size size() const {
     return size_;
   }
 
   // Returns the id of the texture.
   // NOTE: The texture id in the renderer process corresponds to a different
   // texture id in the GPU process.
   uint32 texture_id() const {
     return texture_id_;
   }
 
  private:
   int32 id_;
   gfx::Size size_;
   uint32 texture_id_;
 };
 
 // A decoded picture frame.
 // This is the media-namespace equivalent of PP_Picture_Dev.
-class Picture {
+class MEDIA_EXPORT Picture {
  public:
   Picture(int32 picture_buffer_id, int32 bitstream_buffer_id);
 
   // Returns the id of the picture buffer where this picture is contained.
   int32 picture_buffer_id() const {
     return picture_buffer_id_;
   }
 
   // Returns the id of the bitstream buffer from which this frame was decoded.
   int32 bitstream_buffer_id() const {
     return bitstream_buffer_id_;
   }
 
   void set_bitstream_buffer_id(int32 bitstream_buffer_id) {
     bitstream_buffer_id_ = bitstream_buffer_id;
   }
 
  private:
   int32 picture_buffer_id_;
   int32 bitstream_buffer_id_;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_PICTURE_H_