Also fixed diamond inheritance pattern that was causing trouble
on Windows 8

BUG=angle:688, angle:720
Change-Id: I678826bd4f3927c68ca1eb2e018dbb5aad33a8cc
Reviewed-on: https://chromium-review.googlesource.com/211037Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>