Oilpan: move SVG property hierarchy to the heap.

Source/core/svg/SVGMarkerElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * 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 10 matching lines @@
 #ifndef SVGMarkerElement_h
 #define SVGMarkerElement_h
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/svg/SVGAnimatedAngle.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedEnumeration.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGFitToViewBox.h"
+#include "platform/heap/Handle.h"
 
 namespace blink {
 
 enum SVGMarkerUnitsType {
     SVGMarkerUnitsUnknown = 0,
     SVGMarkerUnitsUserSpaceOnUse,
     SVGMarkerUnitsStrokeWidth
 };
 template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGMarkerUnitsType>();
 
 class SVGMarkerElement final : public SVGElement,
                                public SVGFitToViewBox {
     DEFINE_WRAPPERTYPEINFO();
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGMarkerElement);
 public:
     // Forward declare enumerations in the W3C naming scheme, for IDL generation.
     enum {
         SVG_MARKERUNITS_UNKNOWN = SVGMarkerUnitsUnknown,
         SVG_MARKERUNITS_USERSPACEONUSE = SVGMarkerUnitsUserSpaceOnUse,
         SVG_MARKERUNITS_STROKEWIDTH = SVGMarkerUnitsStrokeWidth
     };
 
     enum {
         SVG_MARKER_ORIENT_UNKNOWN = SVGMarkerOrientUnknown,
         SVG_MARKER_ORIENT_AUTO = SVGMarkerOrientAuto,
         SVG_MARKER_ORIENT_ANGLE = SVGMarkerOrientAngle
     };
 
     DECLARE_NODE_FACTORY(SVGMarkerElement);
 
     AffineTransform viewBoxToViewTransform(float viewWidth, float viewHeight) const;
 
     void setOrientToAuto();
-    void setOrientToAngle(PassRefPtr<SVGAngleTearOff>);
+    void setOrientToAngle(PassRefPtrWillBeRawPtr<SVGAngleTearOff>);
 
     SVGAnimatedLength* refX() const { return m_refX.get(); }
     SVGAnimatedLength* refY() const { return m_refY.get(); }
     SVGAnimatedLength* markerWidth() const { return m_markerWidth.get(); }
     SVGAnimatedLength* markerHeight() const { return m_markerHeight.get(); }
     SVGAnimatedEnumeration<SVGMarkerUnitsType>* markerUnits() { return m_markerUnits.get(); }
     SVGAnimatedAngle* orientAngle() { return m_orientAngle.get(); }
     SVGAnimatedEnumeration<SVGMarkerOrientType>* orientType() { return m_orientAngle->orientType(); }
 
+    virtual void trace(Visitor*) override;
+
 private:
     explicit SVGMarkerElement(Document&);
 
     virtual bool needsPendingResourceHandling() const override { return false; }
 
     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 rendererIsNeeded(const RenderStyle&) override { return true; }
 
     virtual bool selfHasRelativeLengths() const override;
 
-    RefPtr<SVGAnimatedLength> m_refX;
-    RefPtr<SVGAnimatedLength> m_refY;
-    RefPtr<SVGAnimatedLength> m_markerWidth;
-    RefPtr<SVGAnimatedLength> m_markerHeight;
-    RefPtr<SVGAnimatedAngle> m_orientAngle;
-    RefPtr<SVGAnimatedEnumeration<SVGMarkerUnitsType> > m_markerUnits;
+    RefPtrWillBeMember<SVGAnimatedLength> m_refX;
+    RefPtrWillBeMember<SVGAnimatedLength> m_refY;
+    RefPtrWillBeMember<SVGAnimatedLength> m_markerWidth;
+    RefPtrWillBeMember<SVGAnimatedLength> m_markerHeight;
+    RefPtrWillBeMember<SVGAnimatedAngle> m_orientAngle;
+    RefPtrWillBeMember<SVGAnimatedEnumeration<SVGMarkerUnitsType> > m_markerUnits;
 };
 
 } // namespace blink
 
 #endif // SVGMarkerElement_h