Remove calls to deprecated MessageLoop methods in net.

Remove calls to deprecated MessageLoop methods in net.

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

BUG=616447
R=agl@chromium.org

Committed: https://crrev.com/81f6ee03502186923da48690101f66441ffe14d6
Cr-Commit-Position: refs/heads/master@{#418861}

[fdoray, 2016-09-06 20:28:21]

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

[commit-bot: I haz the power, 2016-09-06 20:29:33]

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 21:03:19]

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

[commit-bot: I haz the power, 2016-09-06 21:03:20]

Dry run: Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[fdoray, 2016-09-07 14:00:56]

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

[commit-bot: I haz the power, 2016-09-07 14:01:19]

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, 2016-09-07 14:48:52]

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

[commit-bot: I haz the power, 2016-09-07 14:48:53]

Dry run: This issue passed the CQ dry run.

[fdoray, 2016-09-07 15:21:18]

PTAL

[fdoray, 2016-09-09 14:20:25]

ping

[fdoray, 2016-09-12 12:22:33]

fdoray@chromium.org changed reviewers:
+ gavinp@chromium.org
- agl@chromium.org

[fdoray, 2016-09-12 12:22:33]

gavinp@: PTAL

[gavinp, 2016-09-15 13:21:31]

lgtm, whoops about the delay, ty

[fdoray, 2016-09-15 13:33:49]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-15 13:34:07]

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, 2016-09-15 14:10:57]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-15 14:13:36]

Description was changed from

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

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

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

to

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

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

BUG=616447
R=agl@chromium.org

Committed: https://crrev.com/81f6ee03502186923da48690101f66441ffe14d6
Cr-Commit-Position: refs/heads/master@{#418861}
==========

[commit-bot: I haz the power, 2016-09-15 14:13:37]

Patchset 2 (id:??) landed as
https://crrev.com/81f6ee03502186923da48690101f66441ffe14d6
Cr-Commit-Position: refs/heads/master@{#418861}