Rebase non-drawing SkCanvas subclasses to SkNoDrawCanvas

R=reed@google.com,mtklein@google.com

Change-Id: I7df84587821db561e262a915afa23108a4a78834
Reviewed-on: https://skia-review.googlesource.com/5508
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
13 files changed