Defer the creation of Blit9's geometry and return Errors if it fails. BUG=angle:520 Change-Id: I5e51fec38c513419beea5ff612a6ec2fb0e81a26 Reviewed-on: https://chromium-review.googlesource.com/218768 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>