<triage> Moving to P3 and marking available due to lack of target milestone and activity, please update if this is a priority. </triage>

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/87cce52e1898d568f6aa5439e6183d96e7bbb914

commit 87cce52e1898d568f6aa5439e6183d96e7bbb914
Author: Alexander Alekseev <alemate@chromium.org>
Date: Sat Dec 15 04:14:35 2018

Chrome OS: Remove dead code of Host/Controller pairing screens.

Bug:  856337 
Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I1fc6d0eff37bdb3f7c2175861782652ee028c4b2
Reviewed-on: https://chromium-review.googlesource.com/c/1114240
Commit-Queue: Alexander Alekseev <alemate@chromium.org>
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Reviewed-by: Zachary Kuznia <zork@chromium.org>
Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616947}
[modify] https://crrev.com/87cce52e1898d568f6aa5439e6183d96e7bbb914/chrome/app/chromeos_strings.grdp
[modify] https://crrev.com/87cce52e1898d568f6aa5439e6183d96e7bbb914/chrome/browser/chromeos/BUILD.gn
[delete] https://crrev.com/5f3b914e3356aed49fecce8829beebd9cb754f31/chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc
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[modify] https://crrev.com/87cce52e1898d568f6aa5439e6183d96e7bbb914/chrome/browser/chromeos/login/enrollment/hands_off_enrollment_browsertest.cc
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