Use gl::Data as a parameter to Texture::isSamplerComplete. BUG=angle:861 Change-Id: I3fadf954e6d28dd82e361ceac4ba1967dbd7e8bf Reviewed-on: https://chromium-review.googlesource.com/235612 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>