Bug 1270174 - Follow-up to only return early in the case that we find insertAnonymousContent content. r=orange

--HG--
extra : rebase_source : e8b34d71776856ab09735e067741f9203aa61890

dom/base/nsReferencedElement.cpp

@@ -52,15 +52,15 @@ nsReferencedElement::Reset(nsIContent* aFromContent, nsIURI* aURI,
     if (!binding) {
       // This happens, for example, if aFromContent is part of the content
       // inserted by a call to nsIDocument::InsertAnonymousContent, which we
-      // also want to handle.
+      // also want to handle.  (It also happens for <use>'s anonymous
+      // content etc.)
       Element* anonRoot =
         doc->GetAnonRootIfInAnonymousContentContainer(aFromContent);
       if (anonRoot) {
         mElement = nsContentUtils::MatchElementId(anonRoot, ref);
+        // We don't have watching working yet for anonymous content, so bail out here.
+        return;
       }
-
-      // We don't have watching working yet for anonymous content, so bail out here.
-      return;
     } else {
       bool isEqualExceptRef;
       rv = aURI->EqualsExceptRef(binding->PrototypeBinding()->DocURI(),