BUG=angleproject:1932

Change-Id: I6474237cbb82b59a0bd40c1b9b9e2455952d3755
Reviewed-on: https://chromium-review.googlesource.com/600510
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>