Implement GL_CHROMIUM_sync_query for D3D9 and D3D11. BUG=angleproject:1366 Change-Id: Iadde61968f45b969c76578a6dd9116a25d63fb4b Reviewed-on: https://chromium-review.googlesource.com/341230 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>