kc3-lang/angle

2014-09-08T15:32:18

Only allocate the streaming index buffers when they are first needed. BUG=angle:520 Change-Id: I111e4fd830ad19f6a4ff50749ba891fc14f9154b Reviewed-on: https://chromium-review.googlesource.com/217100 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>