Use inner HWND for accelerated rendering on windows

chrome/browser/renderer_host/render_widget_host_view_gtk.cc

Index: chrome/browser/renderer_host/render_widget_host_view_gtk.cc
===================================================================
--- chrome/browser/renderer_host/render_widget_host_view_gtk.cc	(revision 66779)
+++ chrome/browser/renderer_host/render_widget_host_view_gtk.cc	(working copy)
@@ -810,7 +810,7 @@
   // If the GPU process is rendering directly into the View,
   // call the compositor directly.
   RenderWidgetHost* render_widget_host = GetRenderWidgetHost();
-  if (render_widget_host->is_gpu_rendering_active()) {
+  if (render_widget_host->is_accelerated_compositing_active()) {
     host_->ScheduleComposite();
     return;
   }