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

content/browser/renderer_host/render_widget_host.h

Index: content/browser/renderer_host/render_widget_host.h
===================================================================
--- content/browser/renderer_host/render_widget_host.h	(revision 90090)
+++ content/browser/renderer_host/render_widget_host.h	(working copy)
@@ -144,7 +144,7 @@
   // RenderWidget is being destroyed or the render process crashed. You should
   // never cache this pointer since it can become NULL if the renderer crashes,
   // instead you should always ask for it using the accessor.
-  void set_view(RenderWidgetHostView* view) { view_ = view; }
+  void SetView(RenderWidgetHostView* view);
   RenderWidgetHostView* view() const { return view_; }
 
   RenderProcessHost* process() const { return process_; }