am b3d4676e: (-s ours) am 6ed1c0d9: am 7b6865e9: (-s ours) am d26ad41b: DO NOT MERGE: Prevent integer wrap around for malloc size when creating a SkRegion

* commit 'b3d4676e1f4470c090b063fe8d16e45b6d6081b5':
  DO NOT MERGE: Prevent integer wrap around for malloc size when creating a SkRegion