Remove calls to deprecated MessageLoop methods in blimp.

Remove calls to deprecated MessageLoop methods in blimp.

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

BUG=616447
R=dtrainor@chromium.org

Committed: https://crrev.com/8c10fe2026be2eaddc2e8490d1f9224b51ccb4f3
Cr-Commit-Position: refs/heads/master@{#416748}

[fdoray, 2016-09-06 20:17:58]

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

[commit-bot: I haz the power, 2016-09-06 20:20:45]

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

[fdoray, 2016-09-06 20:52:56]

PTAL

[commit-bot: I haz the power, 2016-09-06 21:07:46]

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

[commit-bot: I haz the power, 2016-09-06 21:07:46]

Dry run: This issue passed the CQ dry run.

[David Trainor- moved to gerrit, 2016-09-06 22:41:56]

lgtm

[fdoray, 2016-09-06 22:55:24]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-06 22:56:14]

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 23:00:59]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-06 23:03:00]

Description was changed from

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

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

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

to

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

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

BUG=616447
R=dtrainor@chromium.org

Committed: https://crrev.com/8c10fe2026be2eaddc2e8490d1f9224b51ccb4f3
Cr-Commit-Position: refs/heads/master@{#416748}
==========

[commit-bot: I haz the power, 2016-09-06 23:03:01]

Patchset 1 (id:??) landed as
https://crrev.com/8c10fe2026be2eaddc2e8490d1f9224b51ccb4f3
Cr-Commit-Position: refs/heads/master@{#416748}