Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/9ec6a6fc99af367856742f4a55cd916e13002759
Cr-Commit-Position: refs/heads/master@{#425228}

[loyso (OOO), 2016-10-13 04:48:23]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

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

[loyso (OOO), 2016-10-13 04:48:23]

loyso@chromium.org changed reviewers:
+ vollick@chromium.org

[loyso (OOO), 2016-10-13 04:48:34]

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

[commit-bot: I haz the power, 2016-10-13 04:48:50]

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

[danakj, 2016-10-13 19:36:34]

danakj@chromium.org changed reviewers:
+ danakj@chromium.org

[danakj, 2016-10-13 19:36:34]

driveby LGTM

[loyso (OOO), 2016-10-13 23:52:34]

The CQ bit was checked by loyso@chromium.org

[commit-bot: I haz the power, 2016-10-13 23:53:01]

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, 2016-10-14 01:16:56]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

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

[commit-bot: I haz the power, 2016-10-14 01:16:57]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-14 01:19:30]

Description was changed from

==========
Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

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

to

==========
Remove usage of FOR_EACH_OBSERVER macro in ui/compositor/.

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/9ec6a6fc99af367856742f4a55cd916e13002759
Cr-Commit-Position: refs/heads/master@{#425228}
==========

[commit-bot: I haz the power, 2016-10-14 01:19:31]

Patchset 2 (id:??) landed as
https://crrev.com/9ec6a6fc99af367856742f4a55cd916e13002759
Cr-Commit-Position: refs/heads/master@{#425228}