For cases where the class has direct calls (that is, we cast `this` to the
subclass before making the call) no longer declare Recv/Answer methods on the
base class at all. This should ensure that slots for them are not generated in
vtables, and also allow the derived class to choose the method signature (e.g.
whether it wants to take something by reference or by value).
Differential Revision: https://phabricator.services.mozilla.com/D18132
--HG--
extra : moz-landing-system : lando
This implements the behavior that as long as there's one non-frozen or
non-suspended actor, we resume or thaw the manager.
Differential Revision: https://phabricator.services.mozilla.com/D11822
--HG--
extra : rebase_source : d5dd0e87581c94b383f1e155b03f63398b2a14a7
