Remove unused ArcUserDataService.

Remove unused ArcUserDataService.

It used to be used for data/ dir removal, but it is now
integrated into ArcSessionManager.
Remove the unused class now.

BUG=657687
BUG=b/31079732
TEST=Ran bots.

Committed: https://crrev.com/b846799719e0e12d5df5853fdd9c436d40c048c5
Cr-Commit-Position: refs/heads/master@{#437983}

[hidehiko, 2016-12-12 15:20:40]

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

[commit-bot: I haz the power, 2016-12-12 15:20:52]

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

[hidehiko, 2016-12-12 15:22:53]

hidehiko@chromium.org changed reviewers:
+ lhchavez@chromium.org

[hidehiko, 2016-12-12 15:22:54]

PTAL.

[Luis Héctor Chávez, 2016-12-12 17:16:08]

lgtm

[commit-bot: I haz the power, 2016-12-12 17:34:13]

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

[commit-bot: I haz the power, 2016-12-12 17:34:13]

Dry run: Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[hidehiko, 2016-12-12 17:35:41]

Thank you for review. Submitting. Note that trybot failure looks unrelated
and/or just flaky to this CL, because this is only for ChromeOS.

[hidehiko, 2016-12-12 17:35:46]

The CQ bit was checked by hidehiko@chromium.org

[commit-bot: I haz the power, 2016-12-12 17:36:23]

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, 2016-12-12 20:34:58]

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

[commit-bot: I haz the power, 2016-12-12 20:35:00]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[hidehiko, 2016-12-12 22:47:28]

The CQ bit was checked by hidehiko@chromium.org

[commit-bot: I haz the power, 2016-12-12 22:49:08]

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, 2016-12-13 01:59:08]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481582848043830, "parent_rev":
"886dbba3134996d94cfb0b7ae0e5d797a13b72ee", "commit_rev":
"524831c9e38c231497d4857278d461ff13a83b2c"}

[commit-bot: I haz the power, 2016-12-13 01:59:34]

Description was changed from

==========
Remove unused ArcUserDataService.

It used to be used for data/ dir removal, but it is now
integrated into ArcSessionManager.
Remove the unused class now.

BUG=657687
BUG=b/31079732
TEST=Ran bots.
==========

to

==========
Remove unused ArcUserDataService.

It used to be used for data/ dir removal, but it is now
integrated into ArcSessionManager.
Remove the unused class now.

BUG=657687
BUG=b/31079732
TEST=Ran bots.

Review-Url: https://codereview.chromium.org/2573463002
==========

[commit-bot: I haz the power, 2016-12-13 01:59:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-13 02:02:25]

Description was changed from

==========
Remove unused ArcUserDataService.

It used to be used for data/ dir removal, but it is now
integrated into ArcSessionManager.
Remove the unused class now.

BUG=657687
BUG=b/31079732
TEST=Ran bots.

Review-Url: https://codereview.chromium.org/2573463002
==========

to

==========
Remove unused ArcUserDataService.

It used to be used for data/ dir removal, but it is now
integrated into ArcSessionManager.
Remove the unused class now.

BUG=657687
BUG=b/31079732
TEST=Ran bots.

Committed: https://crrev.com/b846799719e0e12d5df5853fdd9c436d40c048c5
Cr-Commit-Position: refs/heads/master@{#437983}
==========

[commit-bot: I haz the power, 2016-12-13 02:02:26]

Patchset 1 (id:??) landed as
https://crrev.com/b846799719e0e12d5df5853fdd9c436d40c048c5
Cr-Commit-Position: refs/heads/master@{#437983}