Tommi b44a794bd3 Remove sigslot inheritance from Connection
...and add to TCPConnection as it's still needed there.

Bug: webrtc:11943
Change-Id: Id66b890677d7e0b03a4a700414f574abd6e3af58
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/260320
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Auto-Submit: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36689}
2022-04-28 11:40:44 +00:00
..
2021-08-31 14:27:49 +00:00