Tommi 00264ca712 Remove remaining sigslots from DataChannelController
This includes:
* SignalDataChannelTransportWritable_s
* SignalDataChannelTransportReceivedData_s
* SignalDataChannelTransportChannelClosing_s
* Removing sigslot::has_slots<> inheritance from SctpDataChannel

Instead, we use the existing sctp_data_channels_ vector of channels
known to the DCC to deliver the callbacks.

Bug: webrtc:11943, webrtc:11547
Change-Id: I7935d7505856eedf04981b8ba665ef8419166c1d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/297100
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39557}
2023-03-14 21:41:36 +00:00
..
2022-01-18 13:46:37 +00:00