Fix for bug 539239 (Pass correct document to ReparentContentWrapper). r=jst.

content/base/src/nsGenericElement.cpp

@@ -3921,11 +3921,10 @@ nsGenericElement::doReplaceOrInsertBefore(PRBool aReplace,
       }
     }
 
-    if (!newContent->IsXUL()) {
-      nsContentUtils::ReparentContentWrapper(newContent, aParent,
-                                             container->GetOwnerDoc(),
-                                             container->GetOwnerDoc());
-    }
+    // FIXME https://bugzilla.mozilla.org/show_bug.cgi?id=544654
+    //       We need to reparent here for nodes for which the parent of their
+    //       wrapper is not the wrapper for their ownerDocument (XUL elements,
+    //       form controls, ...).
 
     res = container->InsertChildAt(newContent, insPos, PR_TRUE);
     NS_ENSURE_SUCCESS(res, res);