[Oilpan] Migrate most classes under core/animations to Oilpan heap.

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 54 matching lines @@
 
     void setPendingUpdate(const CSSAnimationUpdate& update)
     {
         clearPendingUpdate();
         m_pendingUpdate.copy(update);
     }
     void clearPendingUpdate()
     {
         m_pendingUpdate.clear();
     }
+
     void maybeApplyPendingUpdate(Element*);
     bool isEmpty() const { return m_animations.isEmpty() && m_transitions.isEmpty() && m_pendingUpdate.isEmpty(); }
     void cancel();
 
     DECLARE_TRACE();
 
 private:
-    class RunningAnimation final : public RefCountedWillBeGarbageCollectedFinalized<RunningAnimation> {
+    class RunningAnimation final : public GarbageCollectedFinalized<RunningAnimation> {
     public:
-        RunningAnimation(PassRefPtrWillBeRawPtr<Animation> animation, CSSAnimationUpdate::NewAnimation newAnimation)
+        RunningAnimation(Animation* animation, CSSAnimationUpdate::NewAnimation newAnimation)
             : animation(animation)
             , specifiedTiming(newAnimation.timing)
             , styleRule(newAnimation.styleRule)
             , styleRuleVersion(newAnimation.styleRuleVersion)
         {
         }
+        ~RunningAnimation()
+        {
+        }
 
         void update(CSSAnimationUpdate::UpdatedAnimation update)
         {
             styleRule = update.styleRule;
             styleRuleVersion = update.styleRuleVersion;
             specifiedTiming = update.specifiedTiming;
         }
 
         DEFINE_INLINE_TRACE()
         {
             visitor->trace(animation);
             visitor->trace(styleRule);
         }
 
-        RefPtrWillBeMember<Animation> animation;
+        Member<Animation> animation;
         Timing specifiedTiming;
         RefPtrWillBeMember<StyleRuleKeyframes> styleRule;
         unsigned styleRuleVersion;
     };
 
     struct RunningTransition {
         ALLOW_ONLY_INLINE_ALLOCATION();
     public:
         DEFINE_INLINE_TRACE()
         {
             visitor->trace(animation);
             visitor->trace(from);
             visitor->trace(to);
         }
 
-        RefPtrWillBeMember<Animation> animation;
-        RawPtrWillBeMember<const AnimatableValue> from;
-        RawPtrWillBeMember<const AnimatableValue> to;
+        Member<Animation> animation;
+        Member<const AnimatableValue> from;
+        Member<const AnimatableValue> to;
     };
 
-    using AnimationMap = WillBeHeapHashMap<AtomicString, RefPtrWillBeMember<RunningAnimation>>;
+    using AnimationMap = HeapHashMap<AtomicString, Member<RunningAnimation>>;
     AnimationMap m_animations;
 
-    using TransitionMap = WillBeHeapHashMap<CSSPropertyID, RunningTransition>;
+    using TransitionMap = HeapHashMap<CSSPropertyID, RunningTransition>;
     TransitionMap m_transitions;
 
     CSSAnimationUpdate m_pendingUpdate;
 
     ActiveInterpolationMap m_previousActiveInterpolationsForAnimations;
 
     static void calculateAnimationUpdate(CSSAnimationUpdate&, const Element* animatingElement, Element&, const ComputedStyle&, ComputedStyle* parentStyle, StyleResolver*);
     static void calculateTransitionUpdate(CSSAnimationUpdate&, const Element* animatingElement, const ComputedStyle&);
     static void calculateTransitionUpdateForProperty(CSSPropertyID, const CSSTransitionData&, size_t transitionIndex, const ComputedStyle& oldStyle, const ComputedStyle&, const TransitionMap* activeTransitions, CSSAnimationUpdate&, const Element*);
 
@@ skipping 45 matching lines @@
 
         RawPtrWillBeMember<Element> m_transitionTarget;
         const CSSPropertyID m_property;
         AnimationEffect::Phase m_previousPhase;
     };
 };
 
 } // namespace blink
 
 #endif