Generate toFooElement() functions from tagname data

Source/core/html/HTMLTitleElement.h

Index: Source/core/html/HTMLTitleElement.h
diff --git a/Source/core/html/HTMLTitleElement.h b/Source/core/html/HTMLTitleElement.h
index 580a291c3a4192270dc0f8438ebff156e1b9eaf3..9353e208742e104dc904d435d2a5f609ba932e76 100644
--- a/Source/core/html/HTMLTitleElement.h
+++ b/Source/core/html/HTMLTitleElement.h
@@ -51,12 +51,6 @@ inline bool isHTMLTitleElement(const Element* element)
     return element->hasTagName(HTMLNames::titleTag);
 }
 
-inline HTMLTitleElement* toHTMLTitleElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLTitleElement(node));
-    return static_cast<HTMLTitleElement*>(node);
-}
-
 } //namespace
 
 #endif