BUG=angleproject:1468

Change-Id: I1452b7d0f98d2e936ad16350a7ef5b01c45e76e9
Reviewed-on: https://chromium-review.googlesource.com/412862Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>