Remove device policy store from PolicyHeaderService since it's not used.

Remove device policy store from PolicyHeaderService since it's not used.

BUG=667291
Committed: https://crrev.com/7389eaa7b209c57030c2a51681338bb6d746939f
Cr-Commit-Position: refs/heads/master@{#434505}

[Marton Hunyady, 2016-11-25 10:57:06]

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

[commit-bot: I haz the power, 2016-11-25 10:57:21]

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

[Marton Hunyady, 2016-11-25 11:01:14]

hunyadym@chromium.org changed reviewers:
+ tnagel@chromium.org

[commit-bot: I haz the power, 2016-11-25 12:03:49]

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

[commit-bot: I haz the power, 2016-11-25 12:03:50]

Dry run: This issue passed the CQ dry run.

[Thiemo Nagel, 2016-11-25 15:09:33]

LGTM!

[Marton Hunyady, 2016-11-25 15:10:16]

The CQ bit was checked by hunyadym@chromium.org

[commit-bot: I haz the power, 2016-11-25 15:10:27]

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, 2016-11-25 15:14:18]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480086616945990, "parent_rev":
"7052566f4ec6e6af86f37605133fb590633803d8", "commit_rev":
"6b9a9a84754450b4f97d4309d0bb24ba496a2345"}

[commit-bot: I haz the power, 2016-11-25 15:14:42]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-25 15:17:09]

Description was changed from

==========
Remove device policy store from PolicyHeaderService since it's not used.

BUG=667291
==========

to

==========
Remove device policy store from PolicyHeaderService since it's not used.

BUG=667291

Committed: https://crrev.com/7389eaa7b209c57030c2a51681338bb6d746939f
Cr-Commit-Position: refs/heads/master@{#434505}
==========

[commit-bot: I haz the power, 2016-11-25 15:17:10]

Patchset 1 (id:??) landed as
https://crrev.com/7389eaa7b209c57030c2a51681338bb6d746939f
Cr-Commit-Position: refs/heads/master@{#434505}