This code was unused.

BUG=angle:732

Change-Id: I764d7c5624bdb81650e05a22c4ef0431c2002b18
Reviewed-on: https://chromium-review.googlesource.com/217331Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>