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

Source/core/animation/AnimationStack.cpp

Index: Source/core/animation/AnimationStack.cpp
diff --git a/Source/core/animation/AnimationStack.cpp b/Source/core/animation/AnimationStack.cpp
index d9645baebc7937b8c5962bd4550cdbd773676993..08e4ea2f809f3878a594b7d3003eddaf83351653 100644
--- a/Source/core/animation/AnimationStack.cpp
+++ b/Source/core/animation/AnimationStack.cpp
@@ -42,23 +42,23 @@ namespace blink {
 
 namespace {
 
-void copyToActiveInterpolationMap(const WillBeHeapVector<RefPtrWillBeMember<Interpolation>>& source, ActiveInterpolationMap& target)
+void copyToActiveInterpolationMap(const HeapVector<Member<Interpolation>>& source, ActiveInterpolationMap& target)
 {
     for (const auto& interpolation : source) {
         target.set(interpolation->property(), interpolation.get());
     }
 }
 
-bool compareEffects(const OwnPtrWillBeMember<SampledEffect>& effect1, const OwnPtrWillBeMember<SampledEffect>& effect2)
+bool compareEffects(const Member<SampledEffect>& effect1, const Member<SampledEffect>& effect2)
 {
     ASSERT(effect1 && effect2);
     return effect1->sequenceNumber() < effect2->sequenceNumber();
 }
 
-void copyNewAnimationsToActiveInterpolationMap(const WillBeHeapVector<RawPtrWillBeMember<InertEffect>>& newAnimations, ActiveInterpolationMap& result)
+void copyNewAnimationsToActiveInterpolationMap(const HeapVector<Member<InertEffect>>& newAnimations, ActiveInterpolationMap& result)
 {
     for (const auto& newAnimation : newAnimations) {
-        OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>> sample = nullptr;
+        HeapVector<Member<Interpolation>>* sample = nullptr;
         newAnimation->sample(sample);
         if (sample)
             copyToActiveInterpolationMap(*sample, result);
@@ -80,16 +80,15 @@ bool AnimationStack::hasActiveAnimationsOnCompositor(CSSPropertyID property) con
     return false;
 }
 
-ActiveInterpolationMap AnimationStack::activeInterpolations(AnimationStack* animationStack, const WillBeHeapVector<RawPtrWillBeMember<InertEffect>>* newAnimations, const WillBeHeapHashSet<RawPtrWillBeMember<const Animation>>* suppressedAnimations, KeyframeEffect::Priority priority, double timelineCurrentTime)
+ActiveInterpolationMap AnimationStack::activeInterpolations(AnimationStack* animationStack, const HeapVector<Member<InertEffect>>* newAnimations, const HeapHashSet<Member<const Animation>>* suppressedAnimations, KeyframeEffect::Priority priority, double timelineCurrentTime)
 {
     // We don't exactly know when new animations will start, but timelineCurrentTime is a good estimate.
 
     ActiveInterpolationMap result;
 
     if (animationStack) {
-        WillBeHeapVector<OwnPtrWillBeMember<SampledEffect>>& effects = animationStack->m_effects;
-        // std::sort doesn't work with OwnPtrs
-        nonCopyingSort(effects.begin(), effects.end(), compareEffects);
+        HeapVector<Member<SampledEffect>>& effects = animationStack->m_effects;
+        std::sort(effects.begin(), effects.end(), compareEffects);
         animationStack->removeClearedEffects();
         for (const auto& effect : effects) {
             if (effect->priority() != priority || (suppressedAnimations && effect->effect() && suppressedAnimations->contains(effect->effect()->animation())))