Update skpicture_printer code so it can match user_story classes.

Update skpicture_printer code so it can match user_story classes.

BUG=skia:3967
CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:linux_perf_bisect;tryserver.chromium.perf:mac_perf_bisect;tryserver.chromium.perf:win_perf_bisect;tryserver.chromium.perf:android_nexus5_perf_bisect

Committed: https://crrev.com/6132abb13c337943201f25cf2090b9020147be92
Cr-Commit-Position: refs/heads/master@{#336786}

[nednguyen, 2015-06-30 13:59:15]

nednguyen@google.com changed reviewers:
+ rmistry@google.com

[nednguyen, 2015-06-30 13:59:27]

The CQ bit was checked by nednguyen@google.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-30 13:59:32]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1217823005/1

[rmistry, 2015-06-30 14:00:31]

lgtm thanks!

[nednguyen, 2015-06-30 14:18:44]

The CQ bit was unchecked by nednguyen@google.com

[nednguyen, 2015-06-30 14:18:49]

The CQ bit was checked by nednguyen@google.com

[commit-bot: I haz the power, 2015-06-30 14:19:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1217823005/1

[commit-bot: I haz the power, 2015-06-30 15:21:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-30 15:22:06]

Patchset 1 (id:??) landed as
https://crrev.com/6132abb13c337943201f25cf2090b9020147be92
Cr-Commit-Position: refs/heads/master@{#336786}