kc3-lang/angle

2015-01-22T13:31:46

Only request PostSubBuffer support when the extension is available. BUG=angle:658 Change-Id: I6828290ef89c57e8c794f0fca6e5991c492b67aa Reviewed-on: https://chromium-review.googlesource.com/242572 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>