This allows the ciphersuite to be accessed from Blink code, which is useful if we want to emit deprecation messages. Bug: none Change-Id: Idcf1f5402948406e4cf7c6e54b67a622a1a403ec Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132004 Reviewed-by: Benjamin Wright <benwright@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27581}