Bug: angleproject:2563

Change-Id: I6e908fbd3e5725dc3f355f8b0561f2177b61dff6
Reviewed-on: https://chromium-review.googlesource.com/1075291
Commit-Queue: Luc Ferron <lucferron@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>