These two unused APIs are removed: SetRecordingChannel(const ChannelType channel) RecordingChannel(ChannelType* channel) const Bug: webrtc:7306 Change-Id: I3289c4b9a5eebb64cc0aa3a1c1144e9c4d6a661d Reviewed-on: https://webrtc-review.googlesource.com/22681 Reviewed-by: Fredrik Solenberg <solenberg@webrtc.org> Commit-Queue: Henrik Andreassson <henrika@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20667}