Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

content/browser/renderer_host/render_widget_host_view_gtk.h

Index: content/browser/renderer_host/render_widget_host_view_gtk.h
===================================================================
--- content/browser/renderer_host/render_widget_host_view_gtk.h	(revision 108480)
+++ content/browser/renderer_host/render_widget_host_view_gtk.h	(working copy)
@@ -94,6 +94,9 @@
                                       const gfx::Rect& end_rect) OVERRIDE;
   virtual void ShowingContextMenu(bool showing) OVERRIDE;
   virtual BackingStore* AllocBackingStore(const gfx::Size& size) OVERRIDE;
+  virtual void AcceleratedSurfaceBuffersSwapped(
+      const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
+      int gpu_host_id) OVERRIDE;
   virtual void SetBackground(const SkBitmap& background) OVERRIDE;
   virtual void CreatePluginContainer(gfx::PluginWindowHandle id) OVERRIDE;
   virtual void DestroyPluginContainer(gfx::PluginWindowHandle id) OVERRIDE;