GPU compositing surface handle is no longer sent to renderer process.

content/browser/renderer_host/browser_render_process_host.cc

Index: content/browser/renderer_host/browser_render_process_host.cc
===================================================================
--- content/browser/renderer_host/browser_render_process_host.cc	(revision 90090)
+++ content/browser/renderer_host/browser_render_process_host.cc	(working copy)
@@ -360,7 +360,7 @@
   channel_->AddFilter(
       GeolocationDispatcherHost::New(
           id(), profile()->GetGeolocationPermissionContext()));
-  channel_->AddFilter(new GpuMessageFilter(id()));
+  channel_->AddFilter(new GpuMessageFilter(id(), widget_helper_.get()));
   channel_->AddFilter(new PepperFileMessageFilter(id(), profile()));
   channel_->AddFilter(
       new PepperMessageFilter(&profile()->GetResourceContext()));
@@ -710,6 +710,12 @@
   cached_dibs_.clear();
 }
 
+void BrowserRenderProcessHost::SetCompositingSurface(
+    int render_widget_id,
+    gfx::PluginWindowHandle compositing_surface) {
+  widget_helper_->SetCompositingSurface(render_widget_id, compositing_surface);
+}
+
 bool BrowserRenderProcessHost::Send(IPC::Message* msg) {
   if (!channel_.get()) {
     if (!is_initialized_) {