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

chrome/gpu/gpu_backing_store_win.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_WIN_H_
 #define CHROME_GPU_GPU_BACKING_STORE_WIN_H_
 #pragma once
 
 #include <windows.h>
 
@@ skipping 24 matching lines @@
   gfx::Size size() const { return size_; }
   HDC hdc() const { return hdc_; }
 
   // 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);
 
   GpuViewWin* view_;
 
   GpuThread* gpu_thread_;
   int32 routing_id_;
 
   gfx::Size size_;
 
   // The backing store dc.
   HDC hdc_;
 
   // Handle to the backing store dib.
   HANDLE backing_store_dib_;
 
   // Handle to the original bitmap in the dc.
   HANDLE original_bitmap_;
 
   // Number of bits per pixel of the screen.
   int color_depth_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuBackingStoreWin);
 };
 
 #endif  // CHROME_GPU_GPU_BACKING_STORE_WIN_H_