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

Source/core/css/resolver/StyleResolverState.h

Index: Source/core/css/resolver/StyleResolverState.h
diff --git a/Source/core/css/resolver/StyleResolverState.h b/Source/core/css/resolver/StyleResolverState.h
index a3e013d189c7896de9c3e0518fbb0ccd7d8b72ca..4a254ec6a1ecca3c6191c4eb2a7012f39037096a 100644
--- a/Source/core/css/resolver/StyleResolverState.h
+++ b/Source/core/css/resolver/StyleResolverState.h
@@ -79,9 +79,9 @@ public:
     void setConversionFontSizes(const CSSToLengthConversionData::FontSizes& fontSizes) { m_cssToLengthConversionData.setFontSizes(fontSizes); }
     void setConversionZoom(float zoom) { m_cssToLengthConversionData.setZoom(zoom); }
 
-    void setAnimationUpdate(PassOwnPtrWillBeRawPtr<CSSAnimationUpdate>);
+    void setAnimationUpdate(CSSAnimationUpdate*);
     const CSSAnimationUpdate* animationUpdate() { return m_animationUpdate.get(); }
-    PassOwnPtrWillBeRawPtr<CSSAnimationUpdate> takeAnimationUpdate();
+    CSSAnimationUpdate* takeAnimationUpdate();
 
     void setParentStyle(PassRefPtr<ComputedStyle> parentStyle) { m_parentStyle = parentStyle; }
     const ComputedStyle* parentStyle() const { return m_parentStyle.get(); }
@@ -167,7 +167,7 @@ private:
     // so we keep it separate.
     RefPtr<ComputedStyle> m_parentStyle;
 
-    OwnPtrWillBeMember<CSSAnimationUpdate> m_animationUpdate;
+    PersistentWillBeMember<CSSAnimationUpdate> m_animationUpdate;
 
     bool m_applyPropertyToRegularStyle;
     bool m_applyPropertyToVisitedLinkStyle;