Split GpuProcessHost into GpuProcessHostUIShim, which runs on the UI...

chrome/browser/renderer_host/browser_render_process_host.cc

Index: chrome/browser/renderer_host/browser_render_process_host.cc
===================================================================
--- chrome/browser/renderer_host/browser_render_process_host.cc	(revision 43024)
+++ chrome/browser/renderer_host/browser_render_process_host.cc	(working copy)
@@ -773,10 +773,6 @@
                           OnExtensionRemoveListener)
       IPC_MESSAGE_HANDLER(ViewHostMsg_ExtensionCloseChannel,
                           OnExtensionCloseChannel)
-      IPC_MESSAGE_HANDLER(ViewHostMsg_EstablishGpuChannel,
-                          OnMsgEstablishGpuChannel)
-      IPC_MESSAGE_HANDLER_DELAY_REPLY(ViewHostMsg_SynchronizeGpu,
-                                      OnMsgSynchronizeGpu)
       IPC_MESSAGE_HANDLER(ViewHostMsg_SpellChecker_RequestDictionary,
                           OnSpellCheckerRequestDictionary)
       IPC_MESSAGE_UNHANDLED_ERROR()
@@ -981,14 +977,6 @@
   }
 }
 
-void BrowserRenderProcessHost::OnMsgEstablishGpuChannel() {
-  GpuProcessHost::Get()->EstablishGpuChannel(id());
-}
-
-void BrowserRenderProcessHost::OnMsgSynchronizeGpu(IPC::Message* reply) {
-  GpuProcessHost::Get()->Synchronize(id(), reply);
-}
-
 void BrowserRenderProcessHost::OnSpellCheckerRequestDictionary() {
   if (profile()->GetSpellCheckHost()) {
     // The spellchecker initialization already started and finished; just send