EndPlayInput runs on the CPU thread so it can't directly call
UpdateWantDeterminism. PlayController also tries to ChangeDisc
from the CPU Thread which is also invalid. It now just pauses
execution and posts a request to the Host to fix it instead.
The Core itself also did dodgy things like PauseAndLock-ing
from the CPU Thread and SetState from EmuThread which have been
removed.
This check is not useful anymore since that website is not running their own
buildbots anymore. It's also trivially bypassable -- it just happened to work
when the builds were fully automated over there.
Previously, MacOpenFile only overrode anything on OS X; otherwise it was
just a useless method, which is presumably why it wasn't marked override
in the first place. Address this more sanely by wrapping it in #ifdef
__APPLE__.
EmptyChaos