Still to come, actually exposing drawVertices, and the
other APIs needed.
Had to re-make all the jsfiddles because of an API change
in a previous CL.
Docs-Preview: https://skia.org/?cl=166444
Bug: skia:
Change-Id: I4d4825f6e7b073d6792ab8d99d5117df860d4815
Reviewed-on: https://skia-review.googlesource.com/c/166444
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
134be1d9ba