Reduce LayoutSVGResource*Gradient building dependency on GradientData

third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceRadialGradient.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 21 matching lines @@
 public:
     explicit LayoutSVGResourceRadialGradient(SVGRadialGradientElement*);
     ~LayoutSVGResourceRadialGradient() override;
 
     const char* name() const override { return "LayoutSVGResourceRadialGradient"; }
 
     static const LayoutSVGResourceType s_resourceType = RadialGradientResourceType;
     LayoutSVGResourceType resourceType() const override { return s_resourceType; }
 
     SVGUnitTypes::SVGUnitType gradientUnits() const override { return attributes().gradientUnits(); }
-    void calculateGradientTransform(AffineTransform& transform) override { transform = attributes().gradientTransform(); }
+    AffineTransform calculateGradientTransform() const override { return attributes().gradientTransform(); }
     bool collectGradientAttributes(SVGGradientElement*) override;
-    void buildGradient(GradientData*) const override;
+    PassRefPtr<Gradient> buildGradient() const override;
 
     FloatPoint centerPoint(const RadialGradientAttributes&) const;
     FloatPoint focalPoint(const RadialGradientAttributes&) const;
     float radius(const RadialGradientAttributes&) const;
     float focalRadius(const RadialGradientAttributes&) const;
 
 private:
     Persistent<RadialGradientAttributesWrapper> m_attributesWrapper;
 
     RadialGradientAttributes& mutableAttributes() { return m_attributesWrapper->attributes(); }
     const RadialGradientAttributes& attributes() const { return m_attributesWrapper->attributes(); }
 };
 
 DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(LayoutSVGResourceRadialGradient, RadialGradientResourceType);
 
 } // namespace blink
 
 #endif