Oilpan: move RenderObjects off heap.

Source/core/rendering/svg/RenderSVGResourceRadialGradient.h

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 20 matching lines @@
 class RenderSVGResourceRadialGradient final : public RenderSVGResourceGradient {
 public:
     explicit RenderSVGResourceRadialGradient(SVGRadialGradientElement*);
     virtual ~RenderSVGResourceRadialGradient();
 
     virtual const char* renderName() const override { return "RenderSVGResourceRadialGradient"; }
 
     static const RenderSVGResourceType s_resourceType = RadialGradientResourceType;
     virtual RenderSVGResourceType resourceType() const override { return s_resourceType; }
 
-    virtual SVGUnitTypes::SVGUnitType gradientUnits() const override { return m_attributes.gradientUnits(); }
-    virtual void calculateGradientTransform(AffineTransform& transform) override { transform = m_attributes.gradientTransform(); }
+    virtual SVGUnitTypes::SVGUnitType gradientUnits() const override { return attributes().gradientUnits(); }
+    virtual void calculateGradientTransform(AffineTransform& transform) override { transform = attributes().gradientTransform(); }
     virtual bool collectGradientAttributes(SVGGradientElement*) override;
     virtual void buildGradient(GradientData*) const override;
 
     FloatPoint centerPoint(const RadialGradientAttributes&) const;
     FloatPoint focalPoint(const RadialGradientAttributes&) const;
     float radius(const RadialGradientAttributes&) const;
     float focalRadius(const RadialGradientAttributes&) const;
 
-    virtual void trace(Visitor*) override;
+private:
+#if ENABLE(OILPAN)
+    Persistent<RadialGradientAttributesWrapper> m_attributesWrapper;
 
-private:
+    RadialGradientAttributes& mutableAttributes() { return m_attributesWrapper->attributes(); }
+    const RadialGradientAttributes& attributes() const { return m_attributesWrapper->attributes(); }
+#else
     RadialGradientAttributes m_attributes;
+
+    RadialGradientAttributes& mutableAttributes() { return m_attributes; }
+    const RadialGradientAttributes& attributes() const { return m_attributes; }
+#endif
 };
 
 DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(RenderSVGResourceRadialGradient, RadialGradientResourceType);
 
 }
 
 #endif