Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGFilterElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. 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.
@@ skipping 14 matching lines @@
 
 #include "core/SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedEnumeration.h"
 #include "core/svg/SVGAnimatedInteger.h"
 #include "core/svg/SVGAnimatedIntegerOptionalInteger.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGURIReference.h"
 #include "core/svg/SVGUnitTypes.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
 class SVGFilterElement final : public SVGElement,
                                public SVGURIReference {
     DEFINE_WRAPPERTYPEINFO();
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGFilterElement);
 public:
     DECLARE_NODE_FACTORY(SVGFilterElement);
     virtual void trace(Visitor*) override;
 
     void setFilterRes(unsigned x, unsigned y);
     void addClient(Node*);
     void removeClient(Node*);
 
     SVGAnimatedLength* x() const { return m_x.get(); }
     SVGAnimatedLength* y() const { return m_y.get(); }
@@ skipping 11 matching lines @@
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
     virtual void svgAttributeChanged(const QualifiedName&) override;
     virtual void childrenChanged(const ChildrenChange&) override;
 
     virtual RenderObject* createRenderer(RenderStyle*) override;
 
     virtual bool selfHasRelativeLengths() const override;
 
-    RefPtr<SVGAnimatedLength> m_x;
-    RefPtr<SVGAnimatedLength> m_y;
-    RefPtr<SVGAnimatedLength> m_width;
-    RefPtr<SVGAnimatedLength> m_height;
-    RefPtr<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_filterUnits;
-    RefPtr<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_primitiveUnits;
-    RefPtr<SVGAnimatedIntegerOptionalInteger> m_filterRes;
+    RefPtrWillBeMember<SVGAnimatedLength> m_x;
+    RefPtrWillBeMember<SVGAnimatedLength> m_y;
+    RefPtrWillBeMember<SVGAnimatedLength> m_width;
+    RefPtrWillBeMember<SVGAnimatedLength> m_height;
+    RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_filterUnits;
+    RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_primitiveUnits;
+    RefPtrWillBeMember<SVGAnimatedIntegerOptionalInteger> m_filterRes;
 
     WillBeHeapHashSet<RefPtrWillBeMember<Node> > m_clientsToAdd;
 };
 
 } // namespace blink
 
 #endif // SVGFilterElement_h