Some cleanup in BaseChannel RTCP mux code.

Some cleanup in BaseChannel RTCP mux code.

Removing a redundant variable used to track whether or not RTCP mux has
been fully negotiated. It's RtcpMuxFilter's job to do that, and it
already had the state, it just wasn't exposed.

Committed: https://crrev.com/23d947dc98246d89479152a4dd8308be4e734f3c
Cr-Commit-Position: refs/heads/master@{#13856}

[skvlad, 2016-08-22 18:39:17]

skvlad@webrtc.org changed reviewers:
+ skvlad@webrtc.org

[skvlad, 2016-08-22 18:39:18]

lgtm

[Taylor Brandstetter, 2016-08-22 18:52:24]

The CQ bit was checked by deadbeef@webrtc.org

[commit-bot: I haz the power, 2016-08-22 18:52:34]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2016-08-22 19:14:30]

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

[commit-bot: I haz the power, 2016-08-22 19:14:30]

Try jobs failed on following builders:
  presubmit on master.tryserver.webrtc (JOB_FAILED,
http://build.chromium.org/p/tryserver.webrtc/builders/presubmit/builds/7598)

[Taylor Brandstetter, 2016-08-22 22:51:30]

The CQ bit was checked by deadbeef@webrtc.org

[commit-bot: I haz the power, 2016-08-22 22:51:32]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2016-08-22 23:00:37]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2016-08-22 23:00:44]

Description was changed from

==========
Some cleanup in BaseChannel RTCP mux code.

Removing a redundant variable used to track whether or not RTCP mux has
been fully negotiated. It's RtcpMuxFilter's job to do that, and it
already had the state, it just wasn't exposed.
==========

to

==========
Some cleanup in BaseChannel RTCP mux code.

Removing a redundant variable used to track whether or not RTCP mux has
been fully negotiated. It's RtcpMuxFilter's job to do that, and it
already had the state, it just wasn't exposed.

Committed: https://crrev.com/23d947dc98246d89479152a4dd8308be4e734f3c
Cr-Commit-Position: refs/heads/master@{#13856}
==========

[commit-bot: I haz the power, 2016-08-22 23:00:45]

Patchset 4 (id:??) landed as
https://crrev.com/23d947dc98246d89479152a4dd8308be4e734f3c
Cr-Commit-Position: refs/heads/master@{#13856}