* fix: remove bad usages of for-in and guard against it

* Apply suggestions from code review

Co-Authored-By: Samuel Maddock <samuel.maddock@gmail.com>

* Apply suggestions from code review

Co-Authored-By: Jeremy Apthorp <jeremya@chromium.org>

* Update remote.js

Co-authored-by: Samuel Maddock <samuel.maddock@gmail.com>
Co-authored-by: Jeremy Apthorp <jeremya@chromium.org>