inner URL for the bug: https://buganizer.corp.google.com/issues/31156650

Would merge to M53 together with https://bugs.chromium.org/p/chromium/issues/detail?id=641011

[Automated comment] Less than 2 weeks to go before stable on M53, manual review required.

Your change meets the bar and is auto-approved for M54 (branch: 2840)

https://codereview.chromium.org/2304573003 M54 merged.

This one also appears to be app specific, if we are going to merge the feature, we may as well merge the fix.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c952ec6aee549b6bc34bebc9a06c8392faf6d949

commit c952ec6aee549b6bc34bebc9a06c8392faf6d949
Author: Luis Hector Chavez <lhchavez@google.com>
Date: Fri Sep 02 23:04:41 2016

[Merge to M53]arc: Add arc enable sync pref initial set up.

Arc enable sync pref is false by default if user never modify sync settings. This
patch enables arc sync service to start when user never manually modify sync
settings.

BUG= 642907 , http://b/31156650
TEST=Manual test on a machine that sync settings is never modified.

TBR=stevenjb@chromium.org
Review-Url: https://codereview.chromium.org/2289163003
Cr-Commit-Position: refs/heads/master@{#415748}
(cherry picked from commit a9c8ea0daf53303475b32177b76938cf6b31c04d)

Review URL: https://codereview.chromium.org/2311453003 .

Cr-Commit-Position: refs/branch-heads/2785@{#819}
Cr-Branched-From: 68623971be0cfc492a2cb0427d7f478e7b214c24-refs/heads/master@{#403382}

[modify] https://crrev.com/c952ec6aee549b6bc34bebc9a06c8392faf6d949/chrome/browser/ui/app_list/arc/arc_package_syncable_service.cc

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot