nisse 528b7931f8 Update comments for removal of MediaController.
Comment-only changes.

TBR=deadbeef@webrtc.org
BUG=webrtc:7135

Review-Url: https://codereview.webrtc.org/2869703002
Cr-Commit-Position: refs/heads/master@{#18045}
2017-05-08 10:21:43 +00:00
..
2016-09-29 00:42:08 +00:00