Remove calls to deprecated MessageLoop methods in device.

Remove calls to deprecated MessageLoop methods in device.

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

BUG=616447
R=reillyg@chromium.org

Committed: https://crrev.com/207e2db51feb6892f1624886191d8a5532fb3516
Cr-Commit-Position: refs/heads/master@{#416985}

[fdoray, 2016-09-06 20:24:36]

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

[commit-bot: I haz the power, 2016-09-06 20:25:15]

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 22:30:57]

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

[commit-bot: I haz the power, 2016-09-06 22:30:57]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-09-07 13:56:54]

PTAL

[Reilly Grant (use Gerrit), 2016-09-07 17:40:10]

lgtm

[fdoray, 2016-09-07 17:40:37]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-07 17:41:28]

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 17:46:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-07 17:47:47]

Description was changed from

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

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

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

to

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

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

BUG=616447
R=reillyg@chromium.org

Committed: https://crrev.com/207e2db51feb6892f1624886191d8a5532fb3516
Cr-Commit-Position: refs/heads/master@{#416985}
==========

[commit-bot: I haz the power, 2016-09-07 17:47:47]

Patchset 1 (id:??) landed as
https://crrev.com/207e2db51feb6892f1624886191d8a5532fb3516
Cr-Commit-Position: refs/heads/master@{#416985}