Remove usage of FOR_EACH_OBSERVER macro in mash/

Remove usage of FOR_EACH_OBSERVER macro in mash/

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/5517050cb3a120f0b98cc46ee4f07dcc4df0a280
Cr-Commit-Position: refs/heads/master@{#425595}

[Eric Willigers, 2016-10-15 14:08:07]

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

[commit-bot: I haz the power, 2016-10-15 14:08:12]

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

[Eric Willigers, 2016-10-15 14:08:18]

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

[commit-bot: I haz the power, 2016-10-15 14:33:34]

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

[commit-bot: I haz the power, 2016-10-15 14:33:35]

Dry run: This issue passed the CQ dry run.

[msw, 2016-10-16 17:25:25]

lgtm

[Eric Willigers, 2016-10-16 20:26:57]

The CQ bit was checked by ericwilligers@chromium.org

[commit-bot: I haz the power, 2016-10-16 20:27:07]

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, 2016-10-16 20:47:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-16 20:49:04]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in mash/

Observer lists now support range-based for loops.


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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in mash/

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/5517050cb3a120f0b98cc46ee4f07dcc4df0a280
Cr-Commit-Position: refs/heads/master@{#425595}
==========

[commit-bot: I haz the power, 2016-10-16 20:49:05]

Patchset 1 (id:??) landed as
https://crrev.com/5517050cb3a120f0b98cc46ee4f07dcc4df0a280
Cr-Commit-Position: refs/heads/master@{#425595}