Revert "Revert "remove unused SkMeshUtils and SkBoundaryPatch""

This reverts commit 006c8da9c65e234f102f671e5abd41f697864c89.

Reason for revert: PDFium references have been removed

Original change's description:
> Revert "remove unused SkMeshUtils and SkBoundaryPatch"
> 
> This reverts commit 5e21e0991968271ee37f446de7e08620ad1b50bb.
> 
> Reason for revert: Breaks Pdfium build see:
>     https://chromium-swarm.appspot.com/task?id=3504e60d4bc10810&refresh=10
> 
> Original change's description:
> > remove unused SkMeshUtils and SkBoundaryPatch
> > 
> > BUG=skia:6366
> > 
> > Change-Id: Ibacd397e0a246dbeefde074c98712ada3848a7b6
> > Reviewed-on: https://skia-review.googlesource.com/9852
> > Reviewed-by: Mike Reed <reed@google.com>
> > Commit-Queue: Mike Reed <reed@google.com>
> > 
> 
> TBR=djsollen@google.com,reed@google.com,reviews@skia.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:6366
> 
> Change-Id: I2403bae0a17bce8eeec743c6f433bb51b214e669
> Reviewed-on: https://skia-review.googlesource.com/9891
> Reviewed-by: Stephan Altmueller <stephana@google.com>
> Commit-Queue: Stephan Altmueller <stephana@google.com>
> 

TBR=djsollen@google.com,reviews@skia.org,stephana@google.com,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:6366

Change-Id: Iefe14394a09c16bd0ad00807dbda947311f926e8
Reviewed-on: https://skia-review.googlesource.com/9910
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
5 files changed