cros: Eliminate CallJSWithPrefix

Bug: 908498
Change-Id: I5c3e0376e94f18808041db0371411ae6ec168eb2
Reviewed-on: https://chromium-review.googlesource.com/c/1352355
Commit-Queue: Jacob Dufault <jdufault@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625343}
3 files changed