This is a step on the way to have variable bitrate for audio and is intended to be as much of a no-op as possible. BUG=webrtc:5079 Review URL: https://codereview.webrtc.org/1441673002 Cr-Commit-Position: refs/heads/master@{#10630}
BUG=webrtc:5079 R=pbos@webrtc.org Review URL: https://codereview.webrtc.org/1419803002 . Cr-Commit-Position: refs/heads/master@{#10358}