Reland r107720 - Enable the new layer animation framework.

ui/aura/desktop.h

Index: ui/aura/desktop.h
diff --git a/ui/aura/desktop.h b/ui/aura/desktop.h
index debf1d7007a6298d7a524e3388c0b777c9946b28..d839b5f4533f4aafab65f6795cae50d8fe508647 100644
--- a/ui/aura/desktop.h
+++ b/ui/aura/desktop.h
@@ -25,6 +25,7 @@ class Size;
 }
 
 namespace ui {
+class LayerAnimationSequence;
 class Transform;
 }
 
@@ -145,7 +146,8 @@ class AURA_EXPORT Desktop : public ui::CompositorDelegate,
   virtual Desktop* GetDesktop() OVERRIDE;
 
   // Overridden from ui::LayerDelegate:
-  virtual void OnLayerAnimationEnded(const ui::Animation* animation) OVERRIDE;
+  virtual void OnLayerAnimationEnded(
+      const ui::LayerAnimationSequence* animation) OVERRIDE;
 
   // Overridden from FocusManager:
   virtual void SetFocusedWindow(Window* window) OVERRIDE;