We should provide some test coverage for the CastRunner, to verify that the Cast-specific stuff (e.g. API injection, Frame properties, etc) works as-intended.
We could implement this using the web.ContextProvider browser-test framework as a base, instantiating an in-process CastRunner alongside it. We'd need to refactor the CastRunner a little, to e.g. provide a way to instantiate it for test, without having it consume any of the host process' startup-handles.
Comment 1 by w...@chromium.org
, Nov 5