Make PathGeoBuilder use consistent iterators.

Previously it used a degenerate consuming iterator to determine the whether there were multiple contours. This was inconsistent with the tessellating step.

Bug: chromium:788500
Change-Id: I3938c69cf40bc551acdb8d5fa9b54d2c96e2a460
Reviewed-on: https://skia-review.googlesource.com/76961
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
3 files changed