BUG=angleproject:1354

Change-Id: Id7dd8438224adb1e2729bcdc18a306e5dfc83a3b
Reviewed-on: https://chromium-review.googlesource.com/401399
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>