BUG=angleproject:1468

Change-Id: I2727602e66a4f4f2ca166948eebd9c975e315fe7
Reviewed-on: https://chromium-review.googlesource.com/412861
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>