Generate toFooElement() functions from tagname data

Source/core/svg/SVGCircleElement.h

Index: Source/core/svg/SVGCircleElement.h
diff --git a/Source/core/svg/SVGCircleElement.h b/Source/core/svg/SVGCircleElement.h
index ae702f6974fc469467df2977627bb73f4e0b64ab..e960a3507d3b92b1a38a196925e03ea1cc18a8f7 100644
--- a/Source/core/svg/SVGCircleElement.h
+++ b/Source/core/svg/SVGCircleElement.h
@@ -21,7 +21,6 @@
 #ifndef SVGCircleElement_h
 #define SVGCircleElement_h
 
-#include "SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
@@ -56,12 +55,6 @@ private:
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
-inline SVGCircleElement* toSVGCircleElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::circleTag));
-    return static_cast<SVGCircleElement*>(node);
-}
-
 } // namespace WebCore
 
 #endif // SVGCircleElement_h