return this from maker calls, so we can chain the calls

Bug: skia:
Change-Id: Id62eda9dab9399ce1183a959438db7dde59889d8
Reviewed-on: https://skia-review.googlesource.com/147113
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
6 files changed