Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGLinearGradientElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 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 13 matching lines @@
 #include "SVGNames.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGGradientElement.h"
 
 namespace WebCore {
 
 struct LinearGradientAttributes;
 
 class SVGLinearGradientElement FINAL : public SVGGradientElement {
 public:
-    static PassRefPtr<SVGLinearGradientElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGLinearGradientElement> create(const QualifiedName&, Document&);
 
     bool collectGradientAttributes(LinearGradientAttributes&);
 
 private:
-    SVGLinearGradientElement(const QualifiedName&, Document*);
+    SVGLinearGradientElement(const QualifiedName&, Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
 
     virtual RenderObject* createRenderer(RenderStyle*);
 
     virtual bool selfHasRelativeLengths() const;
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGLinearGradientElement)
         DECLARE_ANIMATED_LENGTH(X1, x1)
         DECLARE_ANIMATED_LENGTH(Y1, y1)
         DECLARE_ANIMATED_LENGTH(X2, x2)
         DECLARE_ANIMATED_LENGTH(Y2, y2)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 inline SVGLinearGradientElement* toSVGLinearGradientElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::linearGradientTag));
     return static_cast<SVGLinearGradientElement*>(node);
 }
 
 } // namespace WebCore
 
 #endif