Generate toFooElement() functions from tagname data

Source/core/html/HTMLTableRowElement.h

Index: Source/core/html/HTMLTableRowElement.h
diff --git a/Source/core/html/HTMLTableRowElement.h b/Source/core/html/HTMLTableRowElement.h
index 0c1bff826c1ba19fbc11c234050ecdda11d3f162..f1a7c42eccc18b7dbc2593383368811ac4f229be 100644
--- a/Source/core/html/HTMLTableRowElement.h
+++ b/Source/core/html/HTMLTableRowElement.h
@@ -58,12 +58,6 @@ inline bool isHTMLTableRowElement(const Node* node)
     return node->hasTagName(HTMLNames::trTag);
 }
 
-inline HTMLTableRowElement* toHTMLTableRowElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLTableRowElement(node));
-    return static_cast<HTMLTableRowElement*>(node);
-}
-
 } // namespace
 
 #endif