Merge ui::Layer's concept of position with cc::Layer's

ui/compositor/layer.h

Index: ui/compositor/layer.h
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index 61ea5b2c358745f30b8a9389935d08fa537f39cf..d7c6a5e1e1885f0d284b74d8893f958938e30bd8 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -234,7 +234,6 @@ class COMPOSITOR_EXPORT Layer
   // cc::Layer.
   static gfx::Transform ConvertTransformToCCTransform(
       const gfx::Transform& transform,
-      const gfx::Rect& bounds,
       float device_scale_factor);
 
   // See description in View for details
@@ -369,6 +368,7 @@ class COMPOSITOR_EXPORT Layer
   void CreateWebLayer();
   void RecomputeCCTransformFromTransform(const gfx::Transform& transform);
   void RecomputeDrawsContentAndUVRect();
+  void RecomputePosition();
 
   // Set all filters which got applied to the layer.
   void SetLayerFilters();