Bug 1334043 - Part 1: Replace attached callback (v0) with connected callback (v1).

Tag UXP Issue #1344

dom/base/nsIDocument.h

@@ -2580,7 +2580,7 @@ public:
 
   enum ElementCallbackType {
     eCreated,
-    eAttached,
+    eConnected,
     eDetached,
     eAttributeChanged
   };