BUG=angleproject:1353

Change-Id: Iaae79bb85318583c12b9a939ea27a7f7f7f64faf
Reviewed-on: https://chromium-review.googlesource.com/338441Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>