c18f083900
This allows subclasses of MediaSendChannel and MediaReceiveChannel to derive from MediaChannelUtil without promising to implement the interfaces. Bug: webrtc:13931 Change-Id: I998de7566b343032c83cd6e5419f49349f41035f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/307140 Reviewed-by: Henrik Boström <hbos@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40185}