Generate toFooElement() functions from tagname data

Source/core/svg/SVGFESpecularLightingElement.h

Index: Source/core/svg/SVGFESpecularLightingElement.h
diff --git a/Source/core/svg/SVGFESpecularLightingElement.h b/Source/core/svg/SVGFESpecularLightingElement.h
index 38d5d620e4a2a117ae35463e2ebcfb89f56abdf0..a42ce73417b3f56ce473969fed2e73a634b5bbfb 100644
--- a/Source/core/svg/SVGFESpecularLightingElement.h
+++ b/Source/core/svg/SVGFESpecularLightingElement.h
@@ -22,7 +22,6 @@
 #ifndef SVGFESpecularLightingElement_h
 #define SVGFESpecularLightingElement_h
 
-#include "SVGNames.h"
 #include "core/platform/graphics/filters/FESpecularLighting.h"
 #include "core/svg/SVGAnimatedNumber.h"
 #include "core/svg/SVGFELightElement.h"
@@ -57,12 +56,6 @@ private:
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
-inline SVGFESpecularLightingElement* toSVGFESpecularLightingElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::feSpecularLightingTag));
-    return static_cast<SVGFESpecularLightingElement*>(node);
-}
-
 } // namespace WebCore
 
 #endif