add basic tests for save/restore counting

add basic tests for save/restore counting

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/f0090cb80ab10a49e511aa5450ae38917fa058d9

[reed2, 2014-11-26 13:11:24]

The CQ bit was checked by reed@chromium.org

[commit-bot: I haz the power, 2014-11-26 13:11:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/763503003/1

[reed2, 2014-11-26 13:14:03]

The CQ bit was unchecked by reed@chromium.org

[reed2, 2014-11-26 16:07:49]

reed@chromium.org changed reviewers:
+ robertphillips@google.com

[reed2, 2014-11-26 16:08:03]

The CQ bit was checked by reed@chromium.org

[reed2, 2014-11-26 16:08:27]

some quick tests/reorg in prep for the deferred save work

[commit-bot: I haz the power, 2014-11-26 16:08:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/763503003/1

[commit-bot: I haz the power, 2014-11-26 16:08:48]

Note for Reviewers:
The CQ is waiting for an approval.
If you believe that the CL is not ready yet, or if you would like to L-G-T-M
with comments then please uncheck the CQ checkbox.

Waiting for LGTM from valid reviewer(s) till 2014-11-26 22:08 UTC

[robertphillips, 2014-11-26 16:34:39]

lgtm

[commit-bot: I haz the power, 2014-11-26 16:55:57]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/f0090cb80ab10a49e511aa5450ae38917fa058d9