This will make it possible to record errors in the context immediately.

Bug: angleproject:2378
Change-Id: Ib7ccdbcfa2bf51e3cc876496267c61cf5a26b7bd
Reviewed-on: https://chromium-review.googlesource.com/1148464Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>