This saves a ms or two on D3D11 startup.

Change-Id: I156c25029a0b2aeb48e5b76b31737c155111e07f
Reviewed-on: https://chromium-review.googlesource.com/264936Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>