Remove usage of FOR_EACH_OBSERVER macro in gin

Remove usage of FOR_EACH_OBSERVER macro in gin

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/061fa6fc79808afd84bc34ca2e6d9e8ae7e21785
Cr-Commit-Position: refs/heads/master@{#425657}

[Eric Willigers, 2016-10-15 11:44:47]

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

[commit-bot: I haz the power, 2016-10-15 11:44:58]

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, 2016-10-15 12:30:31]

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

[commit-bot: I haz the power, 2016-10-15 12:30:32]

Dry run: Exceeded global retry quota

[Eric Willigers, 2016-10-15 13:14:47]

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

[jochen (gone - plz use gerrit), 2016-10-17 09:53:19]

lgtm

[Eric Willigers, 2016-10-17 10:27:11]

The CQ bit was checked by ericwilligers@chromium.org

[commit-bot: I haz the power, 2016-10-17 10:27:30]

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, 2016-10-17 11:23:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-17 11:25:13]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in gin

Observer lists now support range-based for loops.


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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in gin

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/061fa6fc79808afd84bc34ca2e6d9e8ae7e21785
Cr-Commit-Position: refs/heads/master@{#425657}
==========

[commit-bot: I haz the power, 2016-10-17 11:25:14]

Patchset 1 (id:??) landed as
https://crrev.com/061fa6fc79808afd84bc34ca2e6d9e8ae7e21785
Cr-Commit-Position: refs/heads/master@{#425657}