Generate toFooElement() functions from tagname data

Source/core/svg/SVGEllipseElement.h

Index: Source/core/svg/SVGEllipseElement.h
diff --git a/Source/core/svg/SVGEllipseElement.h b/Source/core/svg/SVGEllipseElement.h
index dcfc5ecb76df5b2e231fe32048ec70858766426c..dbed71564c08bb6cb97a0adaf490e67352ae6d6f 100644
--- a/Source/core/svg/SVGEllipseElement.h
+++ b/Source/core/svg/SVGEllipseElement.h
@@ -21,7 +21,6 @@
 #ifndef SVGEllipseElement_h
 #define SVGEllipseElement_h
 
-#include "SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
@@ -57,12 +56,6 @@ private:
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
-inline SVGEllipseElement* toSVGEllipseElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::ellipseTag));
-    return static_cast<SVGEllipseElement*>(node);
-}
-
 } // namespace WebCore
 
 #endif