The methods are no longer in use, this CL cleans away references and updates any tests using them. Bug: webrtc:10633 Change-Id: I2db301e0a021a2f85a8b9a74e409303baba407da Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150520 Reviewed-by: Stefan Holmer <stefan@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28956}