Remove argument to LayoutSVGResourceGradient::collectGradientAttributes

third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceLinearGradient.cpp

 /*
  * 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 13 matching lines @@
 
 namespace blink {
 
 LayoutSVGResourceLinearGradient::LayoutSVGResourceLinearGradient(
     SVGLinearGradientElement* node)
     : LayoutSVGResourceGradient(node),
       m_attributesWrapper(LinearGradientAttributesWrapper::create()) {}
 
 LayoutSVGResourceLinearGradient::~LayoutSVGResourceLinearGradient() {}
 
-bool LayoutSVGResourceLinearGradient::collectGradientAttributes(
-    SVGGradientElement* gradientElement) {
+bool LayoutSVGResourceLinearGradient::collectGradientAttributes() {
+  DCHECK(element());
   m_attributesWrapper->set(LinearGradientAttributes());
-  return toSVGLinearGradientElement(gradientElement)
-      ->collectGradientAttributes(mutableAttributes());
+  return toSVGLinearGradientElement(element())->collectGradientAttributes(
+      mutableAttributes());
 }
 
 FloatPoint LayoutSVGResourceLinearGradient::startPoint(
     const LinearGradientAttributes& attributes) const {
   return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(),
                                         *attributes.x1(), *attributes.y1());
 }
 
 FloatPoint LayoutSVGResourceLinearGradient::endPoint(
     const LinearGradientAttributes& attributes) const {
   return SVGLengthContext::resolvePoint(element(), attributes.gradientUnits(),
                                         *attributes.x2(), *attributes.y2());
 }
 
 PassRefPtr<Gradient> LayoutSVGResourceLinearGradient::buildGradient() const {
   const LinearGradientAttributes& attributes = this->attributes();
   RefPtr<Gradient> gradient =
       Gradient::create(startPoint(attributes), endPoint(attributes));
   gradient->setSpreadMethod(
       platformSpreadMethodFromSVGType(attributes.spreadMethod()));
   gradient->addColorStops(attributes.stops());
   return gradient.release();
 }
 
 }  // namespace blink