Remove usage of FOR_EACH_OBSERVER macro in jingle

Remove usage of FOR_EACH_OBSERVER macro in jingle

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/a2cfa7df4977e2ebc4911fa611ef9ef79e4a04a2
Cr-Commit-Position: refs/heads/master@{#425755}

[Eric Willigers, 2016-10-15 12:41:04]

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

[commit-bot: I haz the power, 2016-10-15 12:41:07]

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 13:17:28]

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

[commit-bot: I haz the power, 2016-10-15 14:41:55]

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

[commit-bot: I haz the power, 2016-10-15 14:41:56]

Dry run: Try jobs failed on following builders:
  linux_chromium_chromeos_ozone_rel_ng on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Nicolas Zea, 2016-10-17 16:29:17]

lgtm

[Eric Willigers, 2016-10-17 18:44:44]

The CQ bit was checked by ericwilligers@chromium.org

[commit-bot: I haz the power, 2016-10-17 18:45:46]

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 19:48:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-17 19:51:20]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in jingle

Observer lists now support range-based for loops.


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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in jingle

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/a2cfa7df4977e2ebc4911fa611ef9ef79e4a04a2
Cr-Commit-Position: refs/heads/master@{#425755}
==========

[commit-bot: I haz the power, 2016-10-17 19:51:21]

Patchset 1 (id:??) landed as
https://crrev.com/a2cfa7df4977e2ebc4911fa611ef9ef79e4a04a2
Cr-Commit-Position: refs/heads/master@{#425755}