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

Source/core/dom/ElementRareData.h

 /*
  * Copyright (C) 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith <catfish.man@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 89 matching lines @@
     DatasetDOMStringMap* dataset() const { return m_dataset.get(); }
     void setDataset(PassOwnPtrWillBeRawPtr<DatasetDOMStringMap> dataset) { m_dataset = dataset; }
 
     LayoutSize minimumSizeForResizing() const { return m_minimumSizeForResizing; }
     void setMinimumSizeForResizing(LayoutSize size) { m_minimumSizeForResizing = size; }
 
     IntSize savedLayerScrollOffset() const { return m_savedLayerScrollOffset; }
     void setSavedLayerScrollOffset(IntSize size) { m_savedLayerScrollOffset = size; }
 
     ElementAnimations* elementAnimations() { return m_elementAnimations.get(); }
-    void setElementAnimations(PassOwnPtrWillBeRawPtr<ElementAnimations> elementAnimations)
+    void setElementAnimations(ElementAnimations* elementAnimations)
     {
         m_elementAnimations = elementAnimations;
     }
 
     bool hasInputMethodContext() const { return m_inputMethodContext; }
     InputMethodContext& ensureInputMethodContext(HTMLElement* element)
     {
         if (!m_inputMethodContext)
             m_inputMethodContext = InputMethodContext::create(element);
         return *m_inputMethodContext;
@@ skipping 26 matching lines @@
 
     LayoutSize m_minimumSizeForResizing;
     IntSize m_savedLayerScrollOffset;
 
     OwnPtrWillBeMember<DatasetDOMStringMap> m_dataset;
     OwnPtrWillBeMember<ClassList> m_classList;
     OwnPtrWillBeMember<ElementShadow> m_shadow;
     OwnPtrWillBeMember<NamedNodeMap> m_attributeMap;
     OwnPtrWillBeMember<WillBeHeapVector<RefPtrWillBeMember<Attr>>> m_attrNodeList;
     OwnPtrWillBeMember<InputMethodContext> m_inputMethodContext;
-    OwnPtrWillBeMember<ElementAnimations> m_elementAnimations;
+    PersistentWillBeMember<ElementAnimations> m_elementAnimations;
     OwnPtrWillBeMember<InlineCSSStyleDeclaration> m_cssomWrapper;
 
     RefPtr<ComputedStyle> m_computedStyle;
     RefPtrWillBeMember<CustomElementDefinition> m_customElementDefinition;
 
     RefPtrWillBeMember<PseudoElement> m_generatedBefore;
     RefPtrWillBeMember<PseudoElement> m_generatedAfter;
     RefPtrWillBeMember<PseudoElement> m_generatedFirstLetter;
     RefPtrWillBeMember<PseudoElement> m_backdrop;
 
@@ skipping 79 matching lines @@
     case FIRST_LETTER:
         return m_generatedFirstLetter.get();
     default:
         return 0;
     }
 }
 
 } // namespace
 
 #endif // ElementRareData_h