BUG=angleproject:974

Change-Id: I95937fe7a0833de77c52f838ebb3ecba55dfbf8a
Reviewed-on: https://chromium-review.googlesource.com/265640Tested-by: Gregoire Payen de La Garanderie <Gregory.Payen@imgtec.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>