On Windows, create a new TransportDIB::Handle struct which includes the file

chrome/gpu/gpu_backing_store_glx.h

 // Copyright (c) 2010 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 CHROME_GPU_GPU_BACKING_STORE_GLX_H_
 #define CHROME_GPU_GPU_BACKING_STORE_GLX_H_
 #pragma once
 
 #include "app/surface/transport_dib.h"
 #include "base/basictypes.h"
@@ skipping 18 matching lines @@
   const gfx::Size& texture_size() const { return texture_size_; }
   unsigned int texture_id() const { return texture_id_; }
 
   // IPC::Channel::Listener implementation.
   virtual void OnMessageReceived(const IPC::Message& message);
   virtual void OnChannelConnected(int32 peer_pid);
   virtual void OnChannelError();
 
  private:
   // Message handlers.
-  void OnPaintToBackingStore(base::ProcessId source_process_id,
-                             TransportDIB::Id id,
+  void OnPaintToBackingStore(TransportDIB::Handle dib_handle,
                              const gfx::Rect& bitmap_rect,
                              const std::vector<gfx::Rect>& copy_rects);
   void OnScrollBackingStore(int dx, int dy,
                             const gfx::Rect& clip_rect,
                             const gfx::Size& view_size);
 
   void PaintOneRectToBackingStore(const SkBitmap& transport_bitmap,
                                   const gfx::Rect& bitmap_rect,
                                   const gfx::Rect& copy_rect);
 
   GpuViewX* view_;
   GpuThread* gpu_thread_;
   int32 routing_id_;
   gfx::Size size_;
 
   unsigned int texture_id_;  // 0 when uninitialized.
 
   // The size of the texture loaded into GL. This is 0x0 when there is no
   // texture loaded. This may be different than the size of the backing store
   // because we could have been resized without yet getting the updated
   // bitmap.
   gfx::Size texture_size_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuBackingStoreGLX);
 };
 
 #endif  // CHROME_GPU_GPU_BACKING_STORE_GLX_H_