Remove unnecessary posted task in cast_transport.cc.

Remove unnecessary posted task in cast_transport.cc.

The original author can't remember why this post was necessary. Since
the actual result callback is posted immediately afterwards any
side-effects (such as synchronizing with another message loop) should
already be achieved.

Committed: https://crrev.com/27d739cb3205069e7d650814c415b41f0f7ed286
Cr-Commit-Position: refs/heads/master@{#398124}

[Reilly Grant (use Gerrit), 2016-06-06 19:03:27]

reillyg@chromium.org changed reviewers:
+ kmarshall@chromium.org

[Reilly Grant (use Gerrit), 2016-06-06 19:03:27]

Please take a look.

[Reilly Grant (use Gerrit), 2016-06-06 19:29:06]

Rebased.

[Kevin M, 2016-06-06 20:11:35]

lgtm

[Reilly Grant (use Gerrit), 2016-06-06 20:13:37]

The CQ bit was checked by reillyg@chromium.org

[commit-bot: I haz the power, 2016-06-06 20:13:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2044603002/20001

[commit-bot: I haz the power, 2016-06-06 21:18:17]

Committed patchset #2 (id:20001)

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

Description was changed from

==========
Remove unnecessary posted task in cast_transport.cc.

The original author can't remember why this post was necessary. Since
the actual result callback is posted immediately afterwards any
side-effects (such as synchronizing with another message loop) should
already be achieved.
==========

to

==========
Remove unnecessary posted task in cast_transport.cc.

The original author can't remember why this post was necessary. Since
the actual result callback is posted immediately afterwards any
side-effects (such as synchronizing with another message loop) should
already be achieved.

Committed: https://crrev.com/27d739cb3205069e7d650814c415b41f0f7ed286
Cr-Commit-Position: refs/heads/master@{#398124}
==========

[commit-bot: I haz the power, 2016-06-06 21:20:10]

Patchset 2 (id:??) landed as
https://crrev.com/27d739cb3205069e7d650814c415b41f0f7ed286
Cr-Commit-Position: refs/heads/master@{#398124}