Moving RenderSurface creation outside of CalcDrawProps

cc/layers/draw_properties.h

Index: cc/layers/draw_properties.h
diff --git a/cc/layers/draw_properties.h b/cc/layers/draw_properties.h
index 4bbce727deff70f122c131dad21a4b756a01d72c..94e7d20bca055cbddb41c7fbd8cce94296215cbc 100644
--- a/cc/layers/draw_properties.h
+++ b/cc/layers/draw_properties.h
@@ -73,9 +73,6 @@ struct CC_EXPORT DrawProperties {
   // ancestor of this layer.
   LayerType* render_target;
 
-  // The surface that this layer and its subtree would contribute to.
-  scoped_ptr<typename LayerType::RenderSurfaceType> render_surface;
-
   // This rect is in the layer's content space.
   gfx::Rect visible_content_rect;