ff8f128a76
Closes https://github.com/dart-lang/sdk/issues/42213 Adds nullability to Console, adds missing methods and cleans cleans existing ones up, and removes a stale template. Most modifications are derived from https://console.spec.whatwg.org/ and the rest are derived from the MDN. Change-Id: I26a099b15e53a4748afb61c7532bdbf64d7c4d6e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151091 Commit-Queue: Srujan Gaddam <srujzs@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>