Add Chrome/Safari versions for ErrorEvent API (#12010)
Add Chrome/Safari versions for ErrorEvent API (#12010)

This PR adds real values for Chrome and Safari for the `ErrorEvent` API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v3.2.2).

Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/ErrorEvent
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data