Add GLES2_IMPL_EXPORT to GpuMemoryBuffer

gpu/command_buffer/client/gpu_memory_buffer.h

 // Copyright 2013 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 GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
+#include "gles2_impl_export.h"
 
 namespace gpu {
 
 // Interface for creating and accessing a zero-copy GPU memory buffer.
 // This design evolved from the generalization of GraphicBuffer API
 // of Android framework.
 //
 // THREADING CONSIDERATIONS:
 //
 // This interface is thread-safe. However, multiple threads mapping
 // a buffer for Write or ReadOrWrite simultaneously may result in undefined
 // behavior and is not allowed.
-class GpuMemoryBuffer {
+class GLES2_IMPL_EXPORT GpuMemoryBuffer {
  public:
   typedef base::Callback<scoped_ptr<GpuMemoryBuffer>(int, int)> Creator;
   enum AccessMode {
     READ_ONLY,
     WRITE_ONLY,
     READ_OR_WRITE,
   };
 
   // Frees a previously allocated buffer. Freeing a buffer that is still
   // mapped in any process is undefined behavior.
@@ skipping 11 matching lines @@
   // Returns the native pointer for the buffer.
   virtual void* GetNativeBuffer() = 0;
 
   // Returns the stride in pixels for the buffer.
   virtual uint32 GetStride() = 0;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_H_