fix bookmaker

New canvas struct hit some unimplemented
corners in bookmaker.

TBR=bsalomon@google.com

Docs-Preview: https://skia.org/?cl=162032
Bug: skia:
Change-Id: I3172340d8653d9ab76c0a59683cd91f0fbccfacc
Reviewed-on: https://skia-review.googlesource.com/c/162032
Commit-Queue: Cary Clark <caryclark@skia.org>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Cary Clark <caryclark@skia.org>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Cary Clark <caryclark@skia.org>
3 files changed