A breaking change in VS2013 necessitates we include <algorithm>
to use std::min/max.

BUG=angle:547

Change-Id: Ia1b21e61d22148ab6d268b34dbfe9a707ca3e59d
Reviewed-on: https://chromium-review.googlesource.com/182512Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Commit-Queue: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>