The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1

commit 11b8fc87f9cb06c4f11e69a90387de8f7dabaea1
Author: Marton Hunyady <hunyadym@chromium.org>
Date: Mon May 22 18:24:15 2017

Remove specific ARC availability flag for Chromad.

Starting M60, ARC will be enabled by default for all Chromad accounts on
supported devices.

Bug:  724117 
Change-Id: Ib04bea1c64954e54c4c21863d6f42ffea04b4ac9
Reviewed-on: https://chromium-review.googlesource.com/506129
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Luis Hector Chavez <lhchavez@chromium.org>
Commit-Queue: Marton Hunyady <hunyadym@chromium.org>
Cr-Commit-Position: refs/heads/master@{#473627}
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/chrome/browser/chromeos/arc/arc_util.cc
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/chrome/browser/chromeos/arc/arc_util_unittest.cc
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/chrome/browser/chromeos/login/screens/user_selection_screen.cc
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/chromeos/chromeos_switches.cc
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/components/arc/arc_util.cc
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/components/arc/arc_util.h
[modify] https://crrev.com/11b8fc87f9cb06c4f11e69a90387de8f7dabaea1/components/arc/arc_util_unittest.cc

bulk Verify of older or not-user-facing Chromad bugs