Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@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.
  *
@@ skipping 35 matching lines @@
 
 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGGradientElement)
     REGISTER_LOCAL_ANIMATED_PROPERTY(spreadMethod)
     REGISTER_LOCAL_ANIMATED_PROPERTY(gradientUnits)
     REGISTER_LOCAL_ANIMATED_PROPERTY(gradientTransform)
     REGISTER_LOCAL_ANIMATED_PROPERTY(href)
     REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
 END_REGISTER_ANIMATED_PROPERTIES
 
-SVGGradientElement::SVGGradientElement(const QualifiedName& tagName, Document* document)
+SVGGradientElement::SVGGradientElement(const QualifiedName& tagName, Document& document)
     : SVGElement(tagName, document)
     , m_spreadMethod(SVGSpreadMethodPad)
     , m_gradientUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
 {
     ScriptWrappable::init(this);
     registerAnimatedPropertiesForSVGGradientElement();
 }
 
 bool SVGGradientElement::isSupportedAttribute(const QualifiedName& attrName)
 {
@@ skipping 92 matching lines @@
         float r, g, b, a;
         color.getRGBA(r, g, b, a);
 
         stops.append(Gradient::ColorStop(offset, r, g, b, a));
     }
 
     return stops;
 }
 
 }