Remove implicit conversions from scoped_refptr to T* in cloud_print/

Remove implicit conversions from scoped_refptr to T* in cloud_print/

This patch was generated by running the rewrite_scoped_refptr clang tool
on a Windows build.

BUG=110610
Committed: https://crrev.com/ff8ae6515a375c2c325fafe51e94f982cb62031f
Cr-Commit-Position: refs/heads/master@{#305255}

[dcheng, 2014-11-21 17:15:46]

dcheng@chromium.org changed reviewers:
+ vitalybuka@chromium.org

[Vitaly Buka (NO REVIEWS), 2014-11-21 18:28:11]

The CQ bit was checked by vitalybuka@chromium.org

[Vitaly Buka (NO REVIEWS), 2014-11-21 18:28:11]

lgtm

[commit-bot: I haz the power, 2014-11-21 18:30:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/745323002/1

[commit-bot: I haz the power, 2014-11-21 19:14:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-11-21 19:15:15]

Patchset 1 (id:??) landed as
https://crrev.com/ff8ae6515a375c2c325fafe51e94f982cb62031f
Cr-Commit-Position: refs/heads/master@{#305255}