Remove usage of FOR_EACH_OBSERVER macro in chromecast

Remove usage of FOR_EACH_OBSERVER macro in chromecast

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/d54a2ec95d7c59e6ebf65dd07de3e30cba882bd0
Cr-Commit-Position: refs/heads/master@{#425575}

[Eric Willigers, 2016-10-15 12:07:31]

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

[commit-bot: I haz the power, 2016-10-15 12:07:40]

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 12:26:32]

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

[commit-bot: I haz the power, 2016-10-15 12:26:33]

Dry run: This issue passed the CQ dry run.

[Eric Willigers, 2016-10-15 13:13:49]

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

[alokp, 2016-10-15 13:30:48]

lgtm

[Eric Willigers, 2016-10-15 21:56:51]

The CQ bit was checked by ericwilligers@chromium.org

[commit-bot: I haz the power, 2016-10-15 21:57:04]

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 22:02:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-15 22:06:08]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in chromecast

Observer lists now support range-based for loops.


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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in chromecast

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/d54a2ec95d7c59e6ebf65dd07de3e30cba882bd0
Cr-Commit-Position: refs/heads/master@{#425575}
==========

[commit-bot: I haz the power, 2016-10-15 22:06:09]

Patchset 1 (id:??) landed as
https://crrev.com/d54a2ec95d7c59e6ebf65dd07de3e30cba882bd0
Cr-Commit-Position: refs/heads/master@{#425575}