Allows observers to be notified when layer animations complete.

ui/gfx/compositor/layer_delegate.h

Index: ui/gfx/compositor/layer_delegate.h
diff --git a/ui/gfx/compositor/layer_delegate.h b/ui/gfx/compositor/layer_delegate.h
index 474689e5be61997add1d0b578ac78355eb5e9010..1f494b13459ac9a20d77d56c9608c0ea2ed850ce 100644
--- a/ui/gfx/compositor/layer_delegate.h
+++ b/ui/gfx/compositor/layer_delegate.h
@@ -14,8 +14,6 @@ class Canvas;
 
 namespace ui {
 
-class LayerAnimationSequence;
-
 // A delegate interface implemented by an object that renders to a Layer.
 class COMPOSITOR_EXPORT LayerDelegate {
  public:
@@ -23,9 +21,6 @@ class COMPOSITOR_EXPORT LayerDelegate {
   // clipped to the Layer's invalid rect.
   virtual void OnPaintLayer(gfx::Canvas* canvas) = 0;
 
-  // Called when |seq| ends.
-  virtual void OnLayerAnimationEnded(const LayerAnimationSequence* seq) = 0;
-
  protected:
   virtual ~LayerDelegate() {}
 };