Tommi 1b3c89878e Handle corner case in SctpDataChannel::ObserverAdapter
This handles a corner case whereby an OnStateChange implementation
synchronously calls UnregisterObserver, which would (before this CL)
delete the observer adapter.

(Using No-Try since an import bot won't pass until this CL lands)

No-Try: True
Bug: webrtc:11547
Change-Id: I33a13495aad6151fdd76becfa9a2c8672d80d825
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/300280
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39761}
2023-04-04 19:20:46 +00:00
..
2022-01-18 13:46:37 +00:00