Unfurl catch-all bounds().  This makes it a little easier to track progress.

I think we've worked out the SaveLayer bounds as of crrev.com/496963003, so
remove that TODO.

BUG=skia:
R=robertphillips@google.com, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/501153002
1 file changed