Remove Views dependency from window_animations.cc

ui/compositor/layer.h

Index: ui/compositor/layer.h
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index c62550e08c76ca727c52875abe219b2d9c4e4bb8..916a2e6a95446cc13707c9944c94a89aace45e0d 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -47,6 +47,7 @@ namespace ui {
 
 class Compositor;
 class LayerAnimator;
+class LayerOwner;
 class Texture;
 
 // Layer manages a texture, transform and a set of child Layers. Any View that
@@ -81,6 +82,8 @@ class COMPOSITOR_EXPORT Layer
   LayerDelegate* delegate() { return delegate_; }
   void set_delegate(LayerDelegate* delegate) { delegate_ = delegate; }
 
+  LayerOwner* owner() { return owner_; }
+
   // Adds a new Layer to this Layer.
   void Add(Layer* child);
 
@@ -346,6 +349,8 @@ class COMPOSITOR_EXPORT Layer
   void SwitchCCLayerForTest();
 
  private:
+  friend class LayerOwner;
+
   // Stacks |child| above or below |other|.  Helper method for StackAbove() and
   // StackBelow().
   void StackRelativeTo(Layer* child, Layer* other, bool above);
@@ -449,6 +454,8 @@ class COMPOSITOR_EXPORT Layer
 
   LayerDelegate* delegate_;
 
+  LayerOwner* owner_;
+
   scoped_refptr<LayerAnimator> animator_;
 
   // Animations that are passed to AddThreadedAnimation before this layer is