Harald Alvestrand 77c442ca19 Don't crash when a datachannel can't get an ID
This is exercised by WPT test RTCDataChannel-id.

Bug: chromium:945256
Change-Id: I53781dc874134f8c68a49c201848377b93b8858f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128871
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Seth Hampson <shampson@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27300}
2019-03-26 22:06:24 +00:00
..
2019-01-28 11:17:00 +00:00
2019-03-01 20:32:16 +00:00
2019-02-20 16:02:59 +00:00
2019-03-01 20:32:16 +00:00