I dont know why we should add in as a comment, due to it's not part of 'shared' folder (it should be part of `lazyLoadFiles` in `startup.js').

Regarding the closure this patch it's only for optimizing the loading time without modifying the code. Following your suggestion in https://github.com/mozilla-b2g/gaia/pull/8337#discussion_r3188096 we should open a bug for doing it.