Generate toFooElement() functions from tagname data

Source/core/svg/SVGLineElement.h

Index: Source/core/svg/SVGLineElement.h
diff --git a/Source/core/svg/SVGLineElement.h b/Source/core/svg/SVGLineElement.h
index af514be6b495f62e4bf9bdf7fa6394bec163903b..ed96edca64e7f09a5b0e963ee248e509eaeece07 100644
--- a/Source/core/svg/SVGLineElement.h
+++ b/Source/core/svg/SVGLineElement.h
@@ -21,7 +21,6 @@
 #ifndef SVGLineElement_h
 #define SVGLineElement_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 SVGLineElement* toSVGLineElement(Element* element)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!element || element->hasTagName(SVGNames::lineTag));
-    return static_cast<SVGLineElement*>(element);
-}
-
 } // namespace WebCore
 
 #endif