Added new acceptable es3 usage tokens for glBufferData. TRAC #22794 Signed-off-by: Jamie Madill Signed-off-by: Nicolas Capens Author: Geoff Lang git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2113 736b8ea6-26fd-11df-bfd4-992fa37f6226