Reland "Check the boundary while cumulating deltas in a mask"

This reverts commit 2ac541e66ce1afe174b31c24705ca47891816078.

Reason for revert: try a new fix; the old one doesn't work
because the deltas are not sorted. We use masks specifically
because we don't want to sort deltas.

Original change's description:
> Revert "Check the boundary while cumulating deltas in a mask"
>
> This reverts commit d9779bcf93c2e11699230a54214309732b9161a7.
>
> Reason for revert: breaks gold
>
> Original change's description:
> > Check the boundary while cumulating deltas in a mask
> >
> > Without the fix,
> >
> > ./out/Debug/dm --config t8888 -m complexclip_bw
> >
> > will trigger the assert.
> >
> > Note that this boundary check is already in place when deltas are
> > cumulated without using a mask.
> >
> > Bug: skia:
> > Change-Id: I68bfe2b7196d440743d3a7535d097bb8ec7689c3
> > Reviewed-on: https://skia-review.googlesource.com/113210
> > Commit-Queue: Yuqian Li <liyuqian@google.com>
> > Reviewed-by: Cary Clark <caryclark@skia.org>
>
> TBR=liyuqian@google.com,reed@google.com,caryclark@skia.org
>
> Change-Id: Ice0e3618b02ef48b0f2a9f0662a12f76078e984a
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: skia:
> Reviewed-on: https://skia-review.googlesource.com/113170
> Reviewed-by: Yuqian Li <liyuqian@google.com>
> Commit-Queue: Yuqian Li <liyuqian@google.com>

TBR=liyuqian@google.com,reed@google.com,caryclark@skia.org

Change-Id: Ia7a3608a54bed23827ed014213dcd6248adb271d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:7731
Reviewed-on: https://skia-review.googlesource.com/113520
Commit-Queue: Yuqian Li <liyuqian@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Yuqian Li <liyuqian@google.com>

0 files changed, 0 insertions, 0 deletions