Remove implicit conversions from scoped_refptr to T* in chrome/

Remove implicit conversions from scoped_refptr to T* in chrome/

This patch was generated by running the rewrite_scoped_refptr clang tool
on an Android build.

BUG=110610
Committed: https://crrev.com/9fdc1ea5e9111d3594d4c25c1266764d5925d7c4
Cr-Commit-Position: refs/heads/master@{#298346}

[dcheng, 2014-10-06 22:36:45]

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

[nyquist, 2014-10-06 22:43:44]

lgtm

[dcheng, 2014-10-06 23:07:48]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-10-06 23:10:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/634683002/1

[commit-bot: I haz the power, 2014-10-07 01:42:56]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-10-07 01:42:57]

Exceeded time limit waiting for builds to trigger.

[dcheng, 2014-10-07 01:46:04]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-10-07 01:49:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/634683002/1

[commit-bot: I haz the power, 2014-10-07 03:16:25]

Committed patchset #1 (id:1) as 3da38c29d15c13f207c6baa27f15f53a385ad2d9

[commit-bot: I haz the power, 2014-10-07 03:17:04]

Patchset 1 (id:??) landed as
https://crrev.com/9fdc1ea5e9111d3594d4c25c1266764d5925d7c4
Cr-Commit-Position: refs/heads/master@{#298346}