BUG=angleproject:1354

Change-Id: I204962a7178d47a43034d0213c81b82d8f6a25be
Reviewed-on: https://chromium-review.googlesource.com/399043Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>