Revert "Clean up GrDrawOpAtlas"

This reverts commit 9d57afd93e70d3bd40ed470b1de28ccc03b98208.

Reason for revert: Chrome

Original change's description:
> Clean up GrDrawOpAtlas
> 
> Change-Id: I18dea851fa950231c4106e2e049e74a678a03df2
> Reviewed-on: https://skia-review.googlesource.com/110380
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>

TBR=jvanverth@google.com,robertphillips@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: Ibf879c12e5074d8c4a4ec8563cfdd7ed0afb6aec
Reviewed-on: https://skia-review.googlesource.com/111041
Reviewed-by: Robert Phillips <robertphillips@google.com>
1 file changed