The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/94a81dea3021d2e86673872e7b19ea0b684e614e

commit 94a81dea3021d2e86673872e7b19ea0b684e614e
Author: xiyuan <xiyuan@chromium.org>
Date: Thu May 25 14:31:37 2017

arc: Consolidate IsArcAllowedForUser logic

BUG= 722876 
TEST=ArcUtilTest.IsArcAllowedForUser

Review-Url: https://codereview.chromium.org/2885933003
Cr-Commit-Position: refs/heads/master@{#474646}

[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/chrome/browser/chromeos/arc/arc_util.cc
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/chrome/browser/chromeos/login/screens/user_selection_screen.cc
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/components/arc/BUILD.gn
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/components/arc/arc_util.cc
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/components/arc/arc_util.h
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/components/arc/arc_util_unittest.cc
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/components/user_manager/fake_user_manager.cc
[modify] https://crrev.com/94a81dea3021d2e86673872e7b19ea0b684e614e/components/user_manager/fake_user_manager.h