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

ui/compositor/layer_animation_element.cc

Index: ui/compositor/layer_animation_element.cc
diff --git a/ui/compositor/layer_animation_element.cc b/ui/compositor/layer_animation_element.cc
index 37fbc3ea935d6a401d62e47da14e2326a2f6713e..1234a04160fd5b11ddc62f835fd262d8e2f1dfc8 100644
--- a/ui/compositor/layer_animation_element.cc
+++ b/ui/compositor/layer_animation_element.cc
@@ -509,13 +509,10 @@ class ThreadedTransformTransition : public ThreadedLayerAnimationElement {
  protected:
   virtual void OnStart(LayerAnimationDelegate* delegate) OVERRIDE {
     start_ = delegate->GetTransformForAnimation();
-    gfx::Rect bounds = delegate->GetBoundsForAnimation();
     float device_scale_factor = delegate->GetDeviceScaleFactor();
     cc_start_ = Layer::ConvertTransformToCCTransform(start_,
-                                                     bounds,
                                                      device_scale_factor);
     cc_target_ = Layer::ConvertTransformToCCTransform(target_,
-                                                      bounds,
                                                       device_scale_factor);
   }