BUG=angleproject:892

Change-Id: Ic06b493cbfdc061565d94d98aabfc3b1f2d882c6
Reviewed-on: https://chromium-review.googlesource.com/271275Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>