am f7d70b78: (-s ours) am 60ed36df: Revert "DO NOT MERGE: Prevent integer wrap around for malloc size when creating a SkRegion"

* commit 'f7d70b78303f4d930a222bbab4b2eaa6c966d3e5':
  Revert "DO NOT MERGE: Prevent integer wrap around for malloc size when creating a SkRegion"