BUG=angleproject:1354

Change-Id: I3aa2dcb8603a839f9c07cd9dd41cb695d2e699f2
Reviewed-on: https://chromium-review.googlesource.com/395529
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>