Generate toFooElement() functions from tagname data

Source/core/svg/SVGMPathElement.h

Index: Source/core/svg/SVGMPathElement.h
diff --git a/Source/core/svg/SVGMPathElement.h b/Source/core/svg/SVGMPathElement.h
index f9e5b95bd169a1551290e4f56f7a4a21fdb07b08..9294fd55931b833309360476248b443663fb7ab7 100644
--- a/Source/core/svg/SVGMPathElement.h
+++ b/Source/core/svg/SVGMPathElement.h
@@ -20,7 +20,6 @@
 #ifndef SVGMPathElement_h
 #define SVGMPathElement_h
 
-#include "SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedString.h"
 #include "core/svg/SVGElement.h"
@@ -64,12 +63,6 @@ private:
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
-inline SVGMPathElement* toSVGMPathElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::mpathTag));
-    return static_cast<SVGMPathElement*>(node);
-}
-
 } // namespace WebCore
 
 #endif // SVGMPathElement_h