Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGAnimateElement.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGAnimateElement_h
 #define SVGAnimateElement_h
 
 #include "core/SVGNames.h"
 #include "core/svg/SVGAnimatedTypeAnimator.h"
 #include "core/svg/SVGAnimationElement.h"
+#include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class SVGAnimatedTypeAnimator;
 
 class SVGAnimateElement : public SVGAnimationElement {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<SVGAnimateElement> create(Document&);
@@ skipping 20 matching lines @@
 
     virtual void setTargetElement(SVGElement*) override final;
     virtual void setAttributeName(const QualifiedName&) override final;
 
 private:
     void resetAnimatedPropertyType();
     SVGAnimatedTypeAnimator* ensureAnimator();
 
     virtual bool hasValidAttributeType() override;
 
-    RefPtr<SVGPropertyBase> m_fromProperty;
-    RefPtr<SVGPropertyBase> m_toProperty;
-    RefPtr<SVGPropertyBase> m_toAtEndOfDurationProperty;
-    RefPtr<SVGPropertyBase> m_animatedProperty;
+    RefPtrWillBeMember<SVGPropertyBase> m_fromProperty;
+    RefPtrWillBeMember<SVGPropertyBase> m_toProperty;
+    RefPtrWillBeMember<SVGPropertyBase> m_toAtEndOfDurationProperty;
+    RefPtrWillBeMember<SVGPropertyBase> m_animatedProperty;
 
     OwnPtrWillBeMember<SVGAnimatedTypeAnimator> m_animator;
 };
 
 inline bool isSVGAnimateElement(const SVGElement& element)
 {
     return element.hasTagName(SVGNames::animateTag)
         || element.hasTagName(SVGNames::animateTransformTag)
         || element.hasTagName(SVGNames::setTag);
 }
 
 DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGAnimateElement);
 
 } // namespace blink
 
 #endif // SVGAnimateElement_h