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

chrome/browser/renderer_host/video_layer_proxy.cc

 // 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.
 
 #include "chrome/browser/renderer_host/video_layer_proxy.h"
 
 #include "chrome/browser/gpu_process_host_ui_shim.h"
-#include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/common/gpu_messages.h"
 #include "gfx/rect.h"
 
 VideoLayerProxy::VideoLayerProxy(RenderWidgetHost* widget,
                                  const gfx::Size& size,
                                  GpuProcessHostUIShim* process_shim,
                                  int32 routing_id)
     : VideoLayer(widget, size),
       process_shim_(process_shim),
       routing_id_(routing_id) {
   process_shim_->AddRoute(routing_id_, this);
 }
 
 VideoLayerProxy::~VideoLayerProxy() {
   process_shim_->RemoveRoute(routing_id_);
 }
 
 void VideoLayerProxy::CopyTransportDIB(RenderProcessHost* process,
-                                       TransportDIB::Id bitmap,
+                                       TransportDIB::Id dib_id,
+                                       TransportDIB::Handle dib_handle,
                                        const gfx::Rect& bitmap_rect) {
-  base::ProcessId process_id;
-#if defined(OS_WIN)
-  process_id = ::GetProcessId(process->GetHandle());
-#elif defined(OS_POSIX)
-  process_id = process->GetHandle();
-#endif
-
+  TransportDIB::ScopedHandle scoped_dib_handle(dib_handle);
   if (process_shim_->Send(new GpuMsg_PaintToVideoLayer(
-          routing_id_, process_id, bitmap, bitmap_rect))) {
+          routing_id_, scoped_dib_handle.release(), bitmap_rect))) {
   } else {
     // TODO(scherkus): what to do ?!?!
   }
 }
 
 void VideoLayerProxy::OnMessageReceived(const IPC::Message& msg) {
   IPC_BEGIN_MESSAGE_MAP(VideoLayerProxy, msg)
     IPC_MESSAGE_HANDLER(GpuHostMsg_PaintToVideoLayer_ACK,
                         OnPaintToVideoLayerACK)
   IPC_END_MESSAGE_MAP_EX()
 }
 
 void VideoLayerProxy::OnChannelConnected(int32 peer_pid) {
 }
 
 void VideoLayerProxy::OnChannelError() {
 }
 
 void VideoLayerProxy::OnPaintToVideoLayerACK() {
   // TODO(scherkus): we may not need to ACK video layer updates at all.
   NOTIMPLEMENTED();
 }