Remove logging of unused and deprecated PeerConnection::Observer callbacks

Remove logging of unused and deprecated PeerConnection::Observer callbacks
This removes loggin in
OnStateChanged()
OnIceComplete()

The methods will be deleted from the interface and has been deprecated for a long time.

Committed: https://crrev.com/a124b9b1239a9e5ce0da2ce007ebc726415f8538
Cr-Commit-Position: refs/heads/master@{#374109}

[perkj_chrome, 2016-02-05 11:11:08]

perkj@chromium.org changed reviewers:
+ sergeyu@chromium.org

[perkj_chrome, 2016-02-05 11:11:08]

Please?

[Sergey Ulanov, 2016-02-05 20:33:01]

lgtm

[perkj_chrome, 2016-02-08 08:05:09]

The CQ bit was checked by perkj@chromium.org

[commit-bot: I haz the power, 2016-02-08 08:05:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1668413003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1668413003/1

[commit-bot: I haz the power, 2016-02-08 12:05:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-08 12:07:23]

Description was changed from

==========
Remove logging of unused and deprecated PeerConnection::Observer callbacks
This removes loggin in
OnStateChanged()
OnIceComplete()

The methods will be deleted from the interface and has been deprecated for a
long time.
==========

to

==========
Remove logging of unused and deprecated PeerConnection::Observer callbacks
This removes loggin in
OnStateChanged()
OnIceComplete()

The methods will be deleted from the interface and has been deprecated for a
long time.

Committed: https://crrev.com/a124b9b1239a9e5ce0da2ce007ebc726415f8538
Cr-Commit-Position: refs/heads/master@{#374109}
==========

[commit-bot: I haz the power, 2016-02-08 12:07:24]

Patchset 1 (id:??) landed as
https://crrev.com/a124b9b1239a9e5ce0da2ce007ebc726415f8538
Cr-Commit-Position: refs/heads/master@{#374109}