Remove calls to deprecated MessageLoop methods in ui.

Remove calls to deprecated MessageLoop methods in ui.

This CL (hopefully) removes all calls to these methods in ui:
- MessageLoop::PostTask
- MessageLoop::PostDelayedTask
- MessageLoop::DeleteSoon
- MessageLoop::ReleaseSoon
- MessageLoop::Run
- MessageLoop::RunUntilIdle

BUG=616447
R=sky@chromium.org

Committed: https://crrev.com/3c948f7a741bcc7b70d6a7114dcb62f176f8b55f
Cr-Commit-Position: refs/heads/master@{#417059}

[fdoray, 2016-09-06 20:30:23]

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

[commit-bot: I haz the power, 2016-09-06 20:31:55]

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, 2016-09-06 21:21:32]

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

[commit-bot: I haz the power, 2016-09-06 21:21:33]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-09-06 21:56:46]

PTAL

[sky, 2016-09-06 22:29:51]

Please bounce these to more local owners. Thanks.

[fdoray, 2016-09-07 13:33:09]

fdoray@chromium.org changed reviewers:
+ avi@chromium.org, yoshiki@chromium.org
- sky@chromium.org

[fdoray, 2016-09-07 13:33:10]

yoshiki@chromium.org: Please review changes in ui/arc/notification

avi@chromium.org: Please review changes in ui/base/cocoa

[Avi (use Gerrit), 2016-09-07 15:48:45]

lgtm

stampity stamp

[fdoray, 2016-09-07 20:18:52]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-07 20:19:43]

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, 2016-09-07 21:50:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-07 21:52:54]

Description was changed from

==========
Remove calls to deprecated MessageLoop methods in ui.

This CL (hopefully) removes all calls to these methods in ui:
- MessageLoop::PostTask
- MessageLoop::PostDelayedTask
- MessageLoop::DeleteSoon
- MessageLoop::ReleaseSoon
- MessageLoop::Run
- MessageLoop::RunUntilIdle

BUG=616447
R=sky@chromium.org
==========

to

==========
Remove calls to deprecated MessageLoop methods in ui.

This CL (hopefully) removes all calls to these methods in ui:
- MessageLoop::PostTask
- MessageLoop::PostDelayedTask
- MessageLoop::DeleteSoon
- MessageLoop::ReleaseSoon
- MessageLoop::Run
- MessageLoop::RunUntilIdle

BUG=616447
R=sky@chromium.org

Committed: https://crrev.com/3c948f7a741bcc7b70d6a7114dcb62f176f8b55f
Cr-Commit-Position: refs/heads/master@{#417059}
==========

[commit-bot: I haz the power, 2016-09-07 21:52:55]

Patchset 1 (id:??) landed as
https://crrev.com/3c948f7a741bcc7b70d6a7114dcb62f176f8b55f
Cr-Commit-Position: refs/heads/master@{#417059}