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

Source/core/svg/SVGFELightElement.h

Index: Source/core/svg/SVGFELightElement.h
diff --git a/Source/core/svg/SVGFELightElement.h b/Source/core/svg/SVGFELightElement.h
index 5f40c94c283f5be5cf2054c1a0ba45f059186b99..de9b92f1bd3bfcbd821d218ee134b3e902ce9f85 100644
--- a/Source/core/svg/SVGFELightElement.h
+++ b/Source/core/svg/SVGFELightElement.h
@@ -83,12 +83,12 @@ private:
     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