Make manual isSVG*Element() helpers as efficient as the generated ones

Source/core/svg/SVGFELightElement.h

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Oliver Hunt <oliver@nerget.com>
  *
  * 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 65 matching lines @@
     RefPtr<SVGAnimatedNumber> m_x;
     RefPtr<SVGAnimatedNumber> m_y;
     RefPtr<SVGAnimatedNumber> m_z;
     RefPtr<SVGAnimatedNumber> m_pointsAtX;
     RefPtr<SVGAnimatedNumber> m_pointsAtY;
     RefPtr<SVGAnimatedNumber> m_pointsAtZ;
     RefPtr<SVGAnimatedNumber> m_specularExponent;
     RefPtr<SVGAnimatedNumber> m_limitingConeAngle;
 };
 
-inline bool isSVGFELightElement(const Node& node)
+inline bool isSVGFELightElement(const SVGElement& element)
 {
-    return node.hasTagName(SVGNames::feDistantLightTag) || node.hasTagName(SVGNames::fePointLightTag) || node.hasTagName(SVGNames::feSpotLightTag);
+    return element.hasTagName(SVGNames::feDistantLightTag) || element.hasTagName(SVGNames::fePointLightTag) || element.hasTagName(SVGNames::feSpotLightTag);
 }
 
-DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGFELightElement);
+DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGFELightElement);
 
 } // namespace blink
 
 #endif