BUG=swiftshader:7

Change-Id: I0c51c67b6f19a061dfff83415df5e41ea0efd6de
Reviewed-on: https://chromium-review.googlesource.com/380596Reviewed-by: Jim Stichnoth <stichnot@chromium.org>
Tested-by: Nicolas Capens <nicolascapens@google.com>