A little cleanup in the p2ptransportchannel.

A little cleanup in p2ptransportchannel and transportchannel.
No functional changes.

BUG=

Committed: https://crrev.com/a8e9f5e4e4d57978bcee052e5af020a0cd960c52
Cr-Commit-Position: refs/heads/master@{#10614}

[honghaiz3, 2015-11-09 18:07:39]

honghaiz@webrtc.org changed reviewers:
+ pthatcher@webrtc.org

[honghaiz3, 2015-11-09 18:07:52]

Description was changed from

==========
A little clean up in the p2ptransportchannel.
No functional changes.

BUG=
==========

to

==========
A little cleanup in the p2ptransportchannel.
No functional changes.

BUG=
==========

[honghaiz3, 2015-11-09 18:13:04]

Patchset #1 (id:1) has been deleted

[honghaiz3, 2015-11-09 18:13:46]

Description was changed from

==========
A little cleanup in the p2ptransportchannel.
No functional changes.

BUG=
==========

to

==========
A little cleanup in p2ptransportchannel and transportchannel.
No functional changes.

BUG=
==========

[pthatcher1, 2015-11-11 21:07:43]

lgtm

[honghaiz3, 2015-11-11 22:49:51]

The CQ bit was checked by honghaiz@webrtc.org

[commit-bot: I haz the power, 2015-11-11 22:50:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1411103012/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1411103012/20001

[commit-bot: I haz the power, 2015-11-12 00:15:11]

Committed patchset #1 (id:20001)

[commit-bot: I haz the power, 2015-11-12 00:15:20]

Patchset 1 (id:??) landed as
https://crrev.com/a8e9f5e4e4d57978bcee052e5af020a0cd960c52
Cr-Commit-Position: refs/heads/master@{#10614}