Browser side OZONE_NATIVE_BUFFER allocation

content/common/gpu/client/gpu_memory_buffer_factory_host.h

 // Copyright 2014 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 CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_FACTORY_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_FACTORY_HOST_H_
 
 #include "base/callback.h"
+#include "content/common/content_export.h"
 
 namespace gfx {
 class Size;
 struct GpuMemoryBufferHandle;
 }
 
 namespace content {
 
 class CONTENT_EXPORT GpuMemoryBufferFactoryHost {
  public:
   typedef base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>
       CreateGpuMemoryBufferCallback;
 
   virtual void CreateGpuMemoryBuffer(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       unsigned internalformat,
       unsigned usage,
       const CreateGpuMemoryBufferCallback& callback) = 0;
   virtual void DestroyGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle,
                                       int32 sync_point) = 0;
 
  protected:
   virtual ~GpuMemoryBufferFactoryHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_FACTORY_HOST_H_