diff --git a/mozilla/extensions/layout-debug/src/nsLayoutDebuggingTools.cpp b/mozilla/extensions/layout-debug/src/nsLayoutDebuggingTools.cpp
index 18d9153f38a..893f456c9a5 100644
--- a/mozilla/extensions/layout-debug/src/nsLayoutDebuggingTools.cpp
+++ b/mozilla/extensions/layout-debug/src/nsLayoutDebuggingTools.cpp
@@ -103,7 +103,7 @@ pres_context(nsIDocShell *aDocShell)
 }
 #endif
 
-static already_AddRefed<nsIViewManager>
+nsIViewManager*
 view_manager(nsIDocShell *aDocShell)
 {
     nsCOMPtr<nsIPresShell> shell(pres_shell(aDocShell));