Clean up toHTMLFooElement() using DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION

Source/core/html/HTMLDetailsElement.h

Index: Source/core/html/HTMLDetailsElement.h
diff --git a/Source/core/html/HTMLDetailsElement.h b/Source/core/html/HTMLDetailsElement.h
index 55e635c74d3cd9ec0e750d38b085fe2f5043039c..55cc9560ea849a8f64e2c9615af93642a51c8673 100644
--- a/Source/core/html/HTMLDetailsElement.h
+++ b/Source/core/html/HTMLDetailsElement.h
@@ -54,11 +54,7 @@ inline bool isHTMLDetailsElement(const Element* element)
     return element->hasTagName(HTMLNames::detailsTag);
 }
 
-inline HTMLDetailsElement* toHTMLDetailsElement(Node* node)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLDetailsElement(node));
-    return static_cast<HTMLDetailsElement*>(node);
-}
+DEFINE_NODE_TYPE_CASTS(HTMLDetailsElement, hasTagName(HTMLNames::detailsTag));
 
 } // namespace WebCore