1 files changed, 1 insertions, 8 deletions
diff --git a/dom/html/HTMLContentElement.h b/dom/html/HTMLContentElement.h
index d2491a792..630e26d17 100644
--- a/dom/html/HTMLContentElement.h
+++ b/dom/html/HTMLContentElement.h
@@ -29,14 +29,7 @@ public:
   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLContentElement,
                                            nsGenericHTMLElement)
 
-  static HTMLContentElement* FromContent(nsIContent* aContent)
-  {
-    if (aContent->IsHTMLContentElement()) {
-      return static_cast<HTMLContentElement*>(aContent);
-    }
-
-    return nullptr;
-  }
+  NS_IMPL_FROMCONTENT_HELPER(HTMLContentElement, IsHTMLContentElement())
 
   virtual bool IsHTMLContentElement() const override { return true; }