Fixing a FIXME (#1229): remove window.onerror entirely from worker script that is added to pageshot pages.  Sentry should be doing what we need for those errors.
Fixing a FIXME (#1229): remove window.onerror entirely from worker script that is added to pageshot pages.  Sentry should be doing what we need for those errors.

fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots,fzzzy/pageshot,fzzzy/pageshot,mozilla-services/pageshot,fzzzy/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/screenshots