cros: Fix crash-n-restart public session losing force-installed apps

cros: Fix crash-n-restart public session losing force-installed apps

Allow temporarily untrusted cros settings to be used in
DeviceLocalAccountPolicyService::UpdateAccountList so that the
DeviceLocalAccountExternalPolicyLoader is properly registered
with ExtensionService on the crash-n-restart case.

BUG=652839
Committed: https://crrev.com/a8ad49adf82b43ef6baa1f227e36fa0a6518326d
Cr-Commit-Position: refs/heads/master@{#425026}

[xiyuan, 2016-10-11 23:01:15]

xiyuan@chromium.org changed reviewers:
+ bartfab@chromium.org

[xiyuan, 2016-10-11 23:01:21]

The CQ bit was checked by xiyuan@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-11 23:02:21]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-11 23:27:32]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-11 23:27:33]

Dry run: This issue passed the CQ dry run.

[Andrew T Wilson (Slow), 2016-10-13 09:49:12]

atwilson@chromium.org changed reviewers:
+ atwilson@chromium.org

[Andrew T Wilson (Slow), 2016-10-13 09:49:12]

lgtm

[xiyuan, 2016-10-13 14:17:36]

The CQ bit was checked by xiyuan@chromium.org

[commit-bot: I haz the power, 2016-10-13 14:17:56]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-13 14:43:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-13 14:45:51]

Description was changed from

==========
cros: Fix crash-n-restart public session losing force-installed apps

Allow temporarily untrusted cros settings to be used in
DeviceLocalAccountPolicyService::UpdateAccountList so that the
DeviceLocalAccountExternalPolicyLoader is properly registered
with ExtensionService on the crash-n-restart case.

BUG=652839
==========

to

==========
cros: Fix crash-n-restart public session losing force-installed apps

Allow temporarily untrusted cros settings to be used in
DeviceLocalAccountPolicyService::UpdateAccountList so that the
DeviceLocalAccountExternalPolicyLoader is properly registered
with ExtensionService on the crash-n-restart case.

BUG=652839

Committed: https://crrev.com/a8ad49adf82b43ef6baa1f227e36fa0a6518326d
Cr-Commit-Position: refs/heads/master@{#425026}
==========

[commit-bot: I haz the power, 2016-10-13 14:45:52]

Patchset 1 (id:??) landed as
https://crrev.com/a8ad49adf82b43ef6baa1f227e36fa0a6518326d
Cr-Commit-Position: refs/heads/master@{#425026}