The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e1092bd9f91699bcdae043231d50079a01047ead

commit e1092bd9f91699bcdae043231d50079a01047ead
Author: Roman Sorokin <rsorokin@chromium.org>
Date: Fri Jul 13 11:21:14 2018

Chromad: Make inputs set from configuration disabled.

Fields set in the streamline configuration should not be modifable by
user.

BUG= chromium:857452 
TEST=manual, I'm going to add tests checking this into CL:1131497

Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I2835df9dd6b0bd68660302c634747fa216a53b8b
Reviewed-on: https://chromium-review.googlesource.com/1134782
Commit-Queue: Roman Sorokin <rsorokin@chromium.org>
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574881}
[modify] https://crrev.com/e1092bd9f91699bcdae043231d50079a01047ead/chrome/browser/resources/chromeos/login/offline_ad_login.js

Verified fixed, fields in the streamline configuration are not editable by user (see attached screenshots).

Chrome OS: 10888.0.0
Chrome: 69.0.3494.0
Device: Santa

Deleted: Screenshot 2018-07-19 at 12.44.22 PM.png 49.9 KB

	Screenshot 2018-07-19 at 12.44.22 PM.png 49.9 KB View Download

Deleted: Screenshot 2018-07-19 at 12.44.38 PM.png 55.2 KB

	Screenshot 2018-07-19 at 12.44.38 PM.png 55.2 KB View Download