Follow the spec more closely and only reserve IDs of vertex arrays and transform feedback objects before binding. This saves memory and allows the glIs* calls to succeed. BUG=angleproject:1218 BUG=angleproject:1101 Change-Id: I7bf99870a7c93f5545325785cbecd891c6b77f8a Reviewed-on: https://chromium-review.googlesource.com/316402Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>
