Revert "Fix NoGPU compilation"

Revert "Fix NoGPU compilation"

This reverts commit d5a78805c5133bc55e07c5da21f8d72b91a3df4f.

Reason for revert: This was a patch for an earlier change that's going to be reverted as well.

Original change's description:
> Fix NoGPU compilation
>
> All of these functions were written to work without GPU support, just
> forgot to compile them in that situation.
>
> BUG=skia:
>
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4796
>
> Change-Id: Ia23d304f07eb16714390b459dd448bc08402f479
> Reviewed-on: https://skia-review.googlesource.com/4796
> Reviewed-by: Brian Osman <brianosman@google.com>
> Reviewed-by: Stan Iliev <stani@google.com>
> Commit-Queue: Brian Osman <brianosman@google.com>
> Commit-Queue: Stan Iliev <stani@google.com>
>

TBR=egdaniel@google.com,brianosman@google.com,stani@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: Id0b9db355f416c118c0ef95501a6cfdeb083b54e
Reviewed-on: https://skia-review.googlesource.com/4831
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>