Remove calls to deprecated MessageLoop methods in components.

Remove calls to deprecated MessageLoop methods in components.

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

BUG=616447
R=caitkp@chromium.org

Committed: https://crrev.com/d5ddcaf43656b807bddec683e8c031e46b8c6ffa
Cr-Commit-Position: refs/heads/master@{#418355}

[fdoray, 2016-09-06 20:23:11]

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

[commit-bot: I haz the power, 2016-09-06 20:24:23]

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 21:12:51]

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

[commit-bot: I haz the power, 2016-09-06 21:12:52]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-09-06 21:56:23]

PTAL

[Cait (Slow), 2016-09-13 19:45:56]

lgtm

[fdoray, 2016-09-13 19:46:35]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-13 19:46:58]

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, 2016-09-13 20:40:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-13 20:42:10]

Description was changed from

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

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

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

to

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

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

BUG=616447
R=caitkp@chromium.org

Committed: https://crrev.com/d5ddcaf43656b807bddec683e8c031e46b8c6ffa
Cr-Commit-Position: refs/heads/master@{#418355}
==========

[commit-bot: I haz the power, 2016-09-13 20:42:11]

Patchset 1 (id:??) landed as
https://crrev.com/d5ddcaf43656b807bddec683e8c031e46b8c6ffa
Cr-Commit-Position: refs/heads/master@{#418355}