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

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 e8e898703ca8f0e1be955c756bd708dfa3680f7e..f9b287be03db5002b0511a9012446d531c4c1431 100644
--- a/Source/core/svg/SVGFELightElement.h
+++ b/Source/core/svg/SVGFELightElement.h
@@ -22,6 +22,7 @@
 #ifndef SVGFELightElement_h
 #define SVGFELightElement_h
 
+#include "SVGNames.h"
 #include "core/svg/SVGAnimatedNumber.h"
 #include "core/svg/SVGElement.h"
 #include "platform/graphics/filters/LightSource.h"
@@ -59,6 +60,13 @@ private:
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
+inline bool isSVGFELightElement(const Node& node)
+{
+    return node.hasTagName(SVGNames::feDistantLightTag) || node.hasTagName(SVGNames::fePointLightTag) || node.hasTagName(SVGNames::feSpotLightTag);
+}
+
+DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGFELightElement);
+
 } // namespace WebCore
 
 #endif