BUG=angleproject:1153

Change-Id: I0b0be8133c04a3ebfed7e9ed20d7375ee5e07903
Reviewed-on: https://chromium-review.googlesource.com/296684Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>