[Merge to M53] arc: Implement safe access to ArcAuthService.

[Merge to M53] arc: Implement safe access to ArcAuthService.

TEST=Extended browser_tests
TEST=Manually on device with Arc enabled/disabled.
BUG=627137
Review-Url: https://codereview.chromium.org/2149853004
Cr-Commit-Position: refs/heads/master@{#406307}
(cherry picked from commit 4b937b462197e87d4ac0c44c0275b7a5350963c0)

R=afakhry@chromium.org, xiyuan@chromium.org

Committed: https://chromium.googlesource.com/chromium/src/+/b2ae94d69130233a271a36971b7a27f0f6ae8d08

[Luis Héctor Chávez, 2016-07-29 22:23:11]

lhchavez@chromium.org changed reviewers:
+ afakhry@chromium.org, xiyuan@chromium.org

[Luis Héctor Chávez, 2016-07-29 22:23:12]

This is a cherry-pick on M53. PTAL on-behalf-of khmel@.

[afakhry, 2016-07-29 22:42:44]

On 2016/07/29 22:23:12, Luis Héctor Chávez wrote:
> This is a cherry-pick on M53. PTAL on-behalf-of khmel@.

feedback_private_api.cc lgtm. 
You might wanna add [Merge to M53] to the title to avoid confusion.

[Luis Héctor Chávez, 2016-07-29 22:53:46]

Description was changed from

==========
arc: Implement safe access to ArcAuthService.

TEST=Extended browser_tests
TEST=Manually on device with Arc enabled/disabled.
BUG=627137

Review-Url: https://codereview.chromium.org/2149853004
Cr-Commit-Position: refs/heads/master@{#406307}
(cherry picked from commit 4b937b462197e87d4ac0c44c0275b7a5350963c0)
==========

to

==========
[Merge to M53] arc: Implement safe access to ArcAuthService.

TEST=Extended browser_tests
TEST=Manually on device with Arc enabled/disabled.
BUG=627137

Review-Url: https://codereview.chromium.org/2149853004
Cr-Commit-Position: refs/heads/master@{#406307}
(cherry picked from commit 4b937b462197e87d4ac0c44c0275b7a5350963c0)
==========

[xiyuan, 2016-08-01 15:28:57]

lgtm

[Luis Héctor Chávez, 2016-08-01 15:33:38]

The CQ bit was checked by lhchavez@chromium.org

[commit-bot: I haz the power, 2016-08-01 15:33:57]

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, 2016-08-01 15:33:58]

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

[commit-bot: I haz the power, 2016-08-01 15:33:59]

CLs for remote refs other than refs/pending/heads/master must contain NOTRY=true
and NOPRESUBMIT=true in order for the CQ to process them

[Luis Héctor Chávez, 2016-08-01 15:42:15]

Description was changed from

==========
[Merge to M53] arc: Implement safe access to ArcAuthService.

TEST=Extended browser_tests
TEST=Manually on device with Arc enabled/disabled.
BUG=627137

Review-Url: https://codereview.chromium.org/2149853004
Cr-Commit-Position: refs/heads/master@{#406307}
(cherry picked from commit 4b937b462197e87d4ac0c44c0275b7a5350963c0)
==========

to

==========
[Merge to M53] arc: Implement safe access to ArcAuthService.

TEST=Extended browser_tests
TEST=Manually on device with Arc enabled/disabled.
BUG=627137

Review-Url: https://codereview.chromium.org/2149853004
Cr-Commit-Position: refs/heads/master@{#406307}
(cherry picked from commit 4b937b462197e87d4ac0c44c0275b7a5350963c0)

R=afakhry@chromium.org, xiyuan@chromium.org

Committed:
https://chromium.googlesource.com/chromium/src/+/b2ae94d69130233a271a36971b7a...
==========

[Luis Héctor Chávez, 2016-08-01 15:42:17]

Committed patchset #1 (id:1) manually as
b2ae94d69130233a271a36971b7a27f0f6ae8d08 (presubmit successful).