Stop storing Ref<IPC::Connection> in RTCDataChannelRemoteManagerProxy::m_webProcessConnections. Keeping the IPC::Connection alive always carries the chance of leaking if we fail to properly clear the HashMap. We can simply store an IPC::Connection::UniqueID and use that ID to send the IPC on the background thread.
Created attachment 430496 [details]
Committed r278420 (238444@main): <https://commits.webkit.org/238444@main>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 430496 [details].