Revert "Return variable type queries using GLenum values."

Breaks the FYI bots until we get Chromium patched.

BUG=angle:466

This reverts commit 53221f5a0382887155d90f7f286e41190d4f5bfb.

Change-Id: Ib28548df5c10a6f76f46e4cf8f2013dca5cf0ee2
Reviewed-on: https://chromium-review.googlesource.com/205850
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>
32 files changed