BUG=angleproject:882

Change-Id: I8d57c185066e9fc0c1b8def09bc48d80ad97d328
Reviewed-on: https://chromium-review.googlesource.com/303901Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>