BUG=angleproject:1523

Change-Id: Idc2cf338ba1fb5142ef2596603d291790fd6ddd6
Reviewed-on: https://chromium-review.googlesource.com/688100Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>