Share the name space implementation between all GL versions. Bug 18962347 Change-Id: Ifd7ca4142d90798d0bbe2defa9337bac17e20daf Reviewed-on: https://swiftshader-review.googlesource.com/1881 Reviewed-by: Nicolas Capens <capn@google.com> Tested-by: Nicolas Capens <capn@google.com>