From 15fc83d268a73bcddd8cb43b5967fb2abe499235 Mon Sep 17 00:00:00 2001
From: Neil Deakin <neil@mozilla.com>
Date: Mon, 29 Oct 2018 07:00:00 +0200
Subject: [PATCH] Bug 1502704, overlay scrollbars don't fade out properly as no
 QI to nsStyledElement is available r=peterv

---
 dom/xul/nsXULElement.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom/xul/nsXULElement.cpp b/dom/xul/nsXULElement.cpp
index 7442741caf0b..cf2732db5b41 100644
--- a/dom/xul/nsXULElement.cpp
+++ b/dom/xul/nsXULElement.cpp
@@ -327,7 +327,7 @@ NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(nsXULElement)
       }
     }
 
-NS_INTERFACE_MAP_END_INHERITING(Element)
+NS_INTERFACE_MAP_END_INHERITING(nsStyledElement)
 
 //----------------------------------------------------------------------
 // nsINode interface