[Sketch] Animations: Torpedo the old intrusive animation system.

public/platform/WebLayer.h

Index: public/platform/WebLayer.h
diff --git a/public/platform/WebLayer.h b/public/platform/WebLayer.h
index f4fcc94d70a8173e5b168e517cfb5ef045cb8fc7..0b2ff0ef427cf6448cdac54c37272c3264967157 100644
--- a/public/platform/WebLayer.h
+++ b/public/platform/WebLayer.h
@@ -43,7 +43,6 @@ class SkMatrix44;
 class SkImageFilter;
 
 namespace blink {
-class WebCompositorAnimationDelegate;
 class WebFilterOperations;
 class WebLayerClient;
 class WebLayerScrollClient;
@@ -128,29 +127,6 @@ public:
     // WebFilterOperations object.
     virtual void setFilters(const WebFilterOperations&) = 0;
 
-    // An animation delegate is notified when animations are started and
-    // stopped. The WebLayer does not take ownership of the delegate, and it is
-    // the responsibility of the client to reset the layer's delegate before
-    // deleting the delegate.
-    virtual void setAnimationDelegate(WebCompositorAnimationDelegate*) = 0;
-
-
-    // Returns false if the animation cannot be added.
-    // Takes ownership of the WebCompositorAnimation object.
-    virtual bool addAnimation(WebCompositorAnimation*) = 0;
-
-    // Removes all animations with the given id.
-    virtual void removeAnimation(int animationId) = 0;
-
-    // Removes all animations with the given id targeting the given property.
-    virtual void removeAnimation(int animationId, WebCompositorAnimation::TargetProperty) = 0;
-
-    // Pauses all animations with the given id.
-    virtual void pauseAnimation(int animationId, double timeOffset) = 0;
-
-    // Returns true if this layer has any active animations - useful for tests.
-    virtual bool hasActiveAnimation() = 0;
-
     // If a scroll parent is set, this layer will inherit its parent's scroll
     // delta and offset even though it will not be a descendant of the scroll
     // in the layer hierarchy.