Generate toSVGFooElement() for SVGFELight|AnimateMotion|FontFaceSrc|TextPositioningElement

Source/core/svg/SVGFELightElement.cpp

Index: Source/core/svg/SVGFELightElement.cpp
diff --git a/Source/core/svg/SVGFELightElement.cpp b/Source/core/svg/SVGFELightElement.cpp
index 4429044f7fb0c4a085af13363a692844063d81a4..96765ca0ce726e339dcc73c5e27c756094685c6a 100644
--- a/Source/core/svg/SVGFELightElement.cpp
+++ b/Source/core/svg/SVGFELightElement.cpp
@@ -67,11 +67,8 @@ SVGFELightElement::SVGFELightElement(const QualifiedName& tagName, Document& doc
 SVGFELightElement* SVGFELightElement::findLightElement(const SVGElement* svgElement)
 {
     for (Node* node = svgElement->firstChild(); node; node = node->nextSibling()) {
-        if (node->hasTagName(SVGNames::feDistantLightTag)
-            || node->hasTagName(SVGNames::fePointLightTag)
-            || node->hasTagName(SVGNames::feSpotLightTag)) {
-            return static_cast<SVGFELightElement*>(node);
-        }
+        if (isSVGFELightElement(*node))
+            return toSVGFELightElement(node);
     }
     return 0;
 }