Get rid of last gpu_messages.h dependency in chrome by having chrome ask the GPUProcessHostUIShim...

content/browser/gpu/gpu_process_host_ui_shim.cc

 // Copyright (c) 2011 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 "content/browser/gpu/gpu_process_host_ui_shim.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/id_map.h"
@@ skipping 129 matching lines @@
 
 bool GpuProcessHostUIShim::OnMessageReceived(const IPC::Message& message) {
   DCHECK(CalledOnValidThread());
 
   if (message.routing_id() != MSG_ROUTING_CONTROL)
     return false;
 
   return OnControlMessageReceived(message);
 }
 
+void GpuProcessHostUIShim::SimulateRemoveAllContext() {
+  Send(new GpuMsg_Clean());
+}
+
+void GpuProcessHostUIShim::SimulateCrash() {
+  Send(new GpuMsg_Crash());
+}
+
+void GpuProcessHostUIShim::SimulateHang() {
+  Send(new GpuMsg_Hang());
+}
+
 #if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
 
 void GpuProcessHostUIShim::SendToGpuHost(int host_id, IPC::Message* msg) {
   GpuProcessHostUIShim* ui_shim = FromID(host_id);
   if (!ui_shim) {
     delete msg;
     return;
   }
 
   ui_shim->Send(msg);
@@ skipping 200 matching lines @@
                                                 params.render_view_id);
   if (!host)
     return;
   RenderWidgetHostView* view = host->view();
   if (!view)
     return;
   view->AcceleratedSurfaceRelease(params.identifier);
 }
 
 #endif