x Recursive webgl context monkeypatching across same origin
windows (thanks skriptimaahinen for concept and patch)
x Replaced cookie-based hacks with synchronous messaging
(currently shimmed) to retrieve fallback and
per-tab restriction policies
x Work-around for Chromium not supporting frameAncestors
in webRequest
x Block CSP violation reports requests synchronously, before
they fail on .invalid DNS resolution, on Chromium