0a3836a882
Without checking respondsToSelector, clients that don't implement the optional delegate method will crash. Bug: webrtc:13446 Change-Id: I3b06b15e818ca80e6afae9491c30f38c6b262eb2 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/242600 Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Auto-Submit: Chuck Hays <haysc@webrtc.org> Commit-Queue: Chuck Hays <haysc@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35573}