Generate toFooElement() functions from tagname data

Source/core/svg/SVGFontElement.h

Index: Source/core/svg/SVGFontElement.h
diff --git a/Source/core/svg/SVGFontElement.h b/Source/core/svg/SVGFontElement.h
index 1737f1eebb3425eb594781e3c1f927f4a9706bb1..f315cbef1f186f3c4da54ab8205d4f2949ca0e9d 100644
--- a/Source/core/svg/SVGFontElement.h
+++ b/Source/core/svg/SVGFontElement.h
@@ -23,7 +23,6 @@
 #define SVGFontElement_h
 
 #if ENABLE(SVG_FONTS)
-#include "SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
@@ -89,12 +88,6 @@ private:
     bool m_isGlyphCacheValid;
 };
 
-inline SVGFontElement* toSVGFontElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::fontTag));
-    return static_cast<SVGFontElement*>(node);
-}
-
 } // namespace WebCore
 
 #endif // ENABLE(SVG_FONTS)