Now that `JSRef<T>` is gone, there is no need to have helper traits. Source-Repo: https://github.com/servo/servo Source-Revision: 909429702972d53bf02dfe9a4aa93ea0cb588cf4
Now that `JSRef<T>` is gone, there is no need to have helper traits. Source-Repo: https://github.com/servo/servo Source-Revision: 909429702972d53bf02dfe9a4aa93ea0cb588cf4