- Hide the implementation behind a feature flag, currently
disabled permanently as I'm working on fixing the different
failures.
- SimpleOperationTest.* passing

Bug: angleproject:2673
Change-Id: Ic86520c3cc478d62bebbaeaf4c6b33c439a67b0f
Reviewed-on: https://chromium-review.googlesource.com/1119089
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>