[svg2] Make 'x' and 'y' presentation attributes

Source/core/svg/SVGMaskElement.h

 /*
  * Copyright (C) 2005 Alexander Kellett <lypanov@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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 37 matching lines @@
     virtual void trace(Visitor*) override;
 
 private:
     explicit SVGMaskElement(Document&);
 
     virtual bool isValid() const override { return SVGTests::isValid(document()); }
     virtual bool needsPendingResourceHandling() const override { return false; }
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
+    virtual bool isPresentationAttribute(const QualifiedName&) const override;
+    virtual bool isPresentationAttributeWithSVGDOM(const QualifiedName&) const override;
+    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
     virtual void svgAttributeChanged(const QualifiedName&) override;
     virtual void childrenChanged(const ChildrenChange&) override;
 
     virtual LayoutObject* createRenderer(const LayoutStyle&) override;
 
     virtual bool selfHasRelativeLengths() const override;
 
     RefPtrWillBeMember<SVGAnimatedLength> m_x;
     RefPtrWillBeMember<SVGAnimatedLength> m_y;
     RefPtrWillBeMember<SVGAnimatedLength> m_width;
     RefPtrWillBeMember<SVGAnimatedLength> m_height;
     RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_maskUnits;
     RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType> > m_maskContentUnits;
 };
 
 } // namespace blink
 
 #endif // SVGMaskElement_h