GLContext no longer holds a pointer to a GLSurface.

ui/gfx/surface/accelerated_surface_mac.h

Index: ui/gfx/surface/accelerated_surface_mac.h
===================================================================
--- ui/gfx/surface/accelerated_surface_mac.h	(revision 86168)
+++ ui/gfx/surface/accelerated_surface_mac.h	(working copy)
@@ -14,6 +14,7 @@
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/gl/gl_context.h"
+#include "ui/gfx/gl/gl_surface.h"
 #include "ui/gfx/surface/transport_dib.h"
 
 // Should not include GL headers in a header file. Forward declare these types
@@ -128,6 +129,7 @@
   // speaking, we do not need to allocate a GL context all of the
   // time. We only need one if (a) we are using the IOSurface code
   // path, or (b) if we are allocating an FBO internally.
+  scoped_ptr<gfx::GLSurface> gl_surface_;
   scoped_ptr<gfx::GLContext> gl_context_;
   // Either |io_surface_| or |transport_dib_| is a valid pointer, but not both.
   // |io_surface_| is non-NULL if the IOSurface APIs are supported (Mac OS X