Replace reinterpret_cast with safer or no cast When casting types to one another in C++, the weaker the cast, the better. This change replaces instances of reinterpret_cast with static_cast or no cast where it safe and correct to do so. BUG=angleproject:2683 Change-Id: I99c9033614a65282ae1d78cf0f4b80fabd75877a Reviewed-on: https://chromium-review.googlesource.com/1109396 Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>