Remove usage of FOR_EACH_OBSERVER macro in headless domain_cc.template

Remove usage of FOR_EACH_OBSERVER macro in headless  domain_cc.template

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/2cc834266d6a53ac9ceca591e5463b937bef4b1a
Cr-Commit-Position: refs/heads/master@{#426771}

[Eric Willigers, 2016-10-18 22:50:14]

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

[Eric Willigers, 2016-10-18 22:50:22]

ericwilligers@chromium.org changed reviewers:
+ skyostil@chromium.org

[commit-bot: I haz the power, 2016-10-18 22:50:40]

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

[Eric Willigers, 2016-10-18 22:51:08]

ericwilligers@chromium.org changed reviewers:
+ alexclarke@chromium.org
- skyostil@chromium.org

[commit-bot: I haz the power, 2016-10-18 23:03:17]

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

[commit-bot: I haz the power, 2016-10-18 23:03:18]

Dry run: This issue passed the CQ dry run.

[alex clarke (OOO till 29th), 2016-10-21 11:26:12]

lgtm

[Eric Willigers, 2016-10-21 11:28:13]

The CQ bit was checked by ericwilligers@chromium.org

[commit-bot: I haz the power, 2016-10-21 11:28:22]

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, 2016-10-21 11:44:14]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-21 13:28:52]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in headless  domain_cc.template

Observer lists now support range-based for loops.

BUG=655021
==========

to

==========
Remove usage of FOR_EACH_OBSERVER macro in headless  domain_cc.template

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/2cc834266d6a53ac9ceca591e5463b937bef4b1a
Cr-Commit-Position: refs/heads/master@{#426771}
==========

[commit-bot: I haz the power, 2016-10-21 13:28:52]

Patchset 2 (id:??) landed as
https://crrev.com/2cc834266d6a53ac9ceca591e5463b937bef4b1a
Cr-Commit-Position: refs/heads/master@{#426771}