BUG=angleproject:1014

Change-Id: I46629253d164a7522c3a97574fcf591f395b04ea
Reviewed-on: https://chromium-review.googlesource.com/295144Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>