Revert "Refactoring Shader objects" This reverts commit 537dfde52a33d621ab1198c949a81b09a1269b2e. Change-Id: I5eb8923ac8f78877e6e77a8cd897021e56ee004a Reviewed-on: https://chromium-review.googlesource.com/214466 Reviewed-by: Brandon Jones <bajones@chromium.org> Tested-by: Brandon Jones <bajones@chromium.org>