CC: Plumb LayerSettings parameter for cc::Layer construction.

ui/compositor/layer.h

Index: ui/compositor/layer.h
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index 571bdbfb123ff7b655657c6c834efda82766b437..4e957cfd83e3142effd5fb323900b36d71902dfc 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -78,6 +78,9 @@ class COMPOSITOR_EXPORT Layer
 
   static bool UsingPictureLayer();
 
+  static const cc::LayerSettings& UILayerSettings();
+  static void SetUILayerSettings(const cc::LayerSettings& settings);
+
   // Retrieves the Layer's compositor. The Layer will walk up its parent chain
   // to locate it. Returns NULL if the Layer is not attached to a compositor.
   Compositor* GetCompositor() {