Web Animations: Extract an API for servicing animations

Source/core/animation/css/CSSAnimations.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 147 matching lines @@
     static const StylePropertyShorthand& animatableProperties();
     // FIXME: This should take a const ScopedStyleTree instead of a StyleResolver.
     // We should also change the Element* to a const Element*
     static PassOwnPtr<CSSAnimationUpdate> calculateUpdate(Element*, const RenderStyle&, StyleResolver*);
 
     void setPendingUpdate(PassOwnPtr<CSSAnimationUpdate> update) { m_pendingUpdate = update; }
     void maybeApplyPendingUpdate(Element*);
     bool isEmpty() const { return m_animations.isEmpty() && m_transitions.isEmpty() && !m_pendingUpdate; }
     void cancel();
 
-    bool shouldCompositeForPendingAnimations(bool renderViewInCompositingMode) const;
-
 private:
     // Note that a single animation name may map to multiple players due to
     // the way in which we split up animations with incomplete keyframes.
     // FIXME: Once the Web Animations model supports groups, we could use a
     // ParGroup to drive multiple animations from a single Player.
     typedef HashMap<AtomicString, HashSet<RefPtr<Player> > > AnimationMap;
     struct RunningTransition {
         Animation* transition; // The TransitionTimeline keeps the Players alive
         const AnimatableValue* from;
         const AnimatableValue* to;
@@ skipping 36 matching lines @@
         virtual void onEventCondition(const TimedItem*, bool isFirstSample, TimedItem::Phase previousPhase, double previousIteration) OVERRIDE;
     private:
         Element* m_target;
         const CSSPropertyID m_property;
     };
 };
 
 } // namespace WebCore
 
 #endif