Remove calls to deprecated MessageLoop methods from message_loop_unittest.cc.

Remove calls to deprecated MessageLoop methods from message_loop_unittest.cc.

This CL removes calls to MessageLoop::Post(Delayed)Task from
message_loop_unittest.cc

BUG=616447
Committed: https://crrev.com/a93afc284a6b18b1df8c363c2700ec32f69b56af
Cr-Commit-Position: refs/heads/master@{#418925}

[fdoray, 2016-09-15 17:07:18]

fdoray@chromium.org changed reviewers:
+ mark@chromium.org

[fdoray, 2016-09-15 17:07:18]

PTAL

[Mark Mentovai, 2016-09-15 17:26:53]

LGTM

[fdoray, 2016-09-15 17:28:24]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2016-09-15 17:28:48]

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 17:35:43]

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

[commit-bot: I haz the power, 2016-09-15 17:35:44]

Try jobs failed on following builders:
  android_compile_dbg on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_comp...)

[fdoray, 2016-09-15 18:07:06]

The CQ bit was checked by fdoray@chromium.org

[fdoray, 2016-09-15 18:07:06]

The patchset sent to the CQ was uploaded after l-g-t-m from mark@chromium.org
Link to the patchset: https://codereview.chromium.org/2342903002/#ps20001
(title: "fix build error")

[commit-bot: I haz the power, 2016-09-15 18:07:51]

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 18:59:30]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-15 19:01:57]

Description was changed from

==========
Remove calls to deprecated MessageLoop methods from message_loop_unittest.cc.

This CL removes calls to MessageLoop::Post(Delayed)Task from
message_loop_unittest.cc

BUG=616447
==========

to

==========
Remove calls to deprecated MessageLoop methods from message_loop_unittest.cc.

This CL removes calls to MessageLoop::Post(Delayed)Task from
message_loop_unittest.cc

BUG=616447

Committed: https://crrev.com/a93afc284a6b18b1df8c363c2700ec32f69b56af
Cr-Commit-Position: refs/heads/master@{#418925}
==========

[commit-bot: I haz the power, 2016-09-15 19:01:58]

Patchset 2 (id:??) landed as
https://crrev.com/a93afc284a6b18b1df8c363c2700ec32f69b56af
Cr-Commit-Position: refs/heads/master@{#418925}