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

chrome/browser/renderer_host/mock_render_process_host.cc

 // Copyright (c) 2009 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/mock_render_process_host.h"
 
 #include "chrome/browser/child_process_security_policy.h"
 
 MockRenderProcessHost::MockRenderProcessHost(Profile* profile)
     : RenderProcessHost(profile),
@@ skipping 80 matching lines @@
   return base::kNullProcessHandle;
 }
 
 bool MockRenderProcessHost::Send(IPC::Message* msg) {
   // Save the message in the sink.
   sink_.OnMessageReceived(*msg);
   delete msg;
   return true;
 }
 
-TransportDIB* MockRenderProcessHost::GetTransportDIB(TransportDIB::Id dib_id) {
+TransportDIB* MockRenderProcessHost::GetTransportDIB(
+    TransportDIB::Id dib_id, TransportDIB::Handle dib_handle) {
+  TransportDIB::ScopedHandle scoped_dib_handle(dib_handle);
   if (transport_dib_)
     return transport_dib_;
-#if defined(OS_WIN)
-  HANDLE duped;
-  DuplicateHandle(GetCurrentProcess(), dib_id.handle, GetCurrentProcess(),
-                  &duped, 0, TRUE, DUPLICATE_SAME_ACCESS);
-  transport_dib_ = TransportDIB::Map(duped);
-#elif defined(OS_MACOSX)
+#if defined(OS_MACOSX)
   // On Mac, TransportDIBs are always created in the browser, so we cannot map
   // one from a dib_id.
   transport_dib_ = TransportDIB::Create(100 * 100 * 4, 0);
-#elif defined(OS_POSIX)
-  transport_dib_ = TransportDIB::Map(dib_id);
+#else
+  transport_dib_ = TransportDIB::Map(scoped_dib_handle.release());
 #endif
 
   return transport_dib_;
 }
 
 void MockRenderProcessHost::OnMessageReceived(const IPC::Message& msg) {
 }
 
 void MockRenderProcessHost::OnChannelConnected(int32 peer_pid) {
 }
@@ skipping 21 matching lines @@
 
 void MockRenderProcessHostFactory::Remove(MockRenderProcessHost* host) const {
   for (ScopedVector<MockRenderProcessHost>::iterator it = processes_.begin();
        it != processes_.end(); ++it) {
     if (*it == host) {
       processes_.weak_erase(it);
       break;
     }
   }
 }