Remove implicit conversions from scoped_refptr to T* in components/nacl/

Remove implicit conversions from scoped_refptr to T* in components/nacl/

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

BUG=110610
Committed: https://crrev.com/a5c8bbd3f4861a20fc515c8ce4709f2d27323f89
Cr-Commit-Position: refs/heads/master@{#291959}

[dcheng, 2014-08-26 16:25:18]

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

[Mark Seaborn, 2014-08-26 18:31:53]

LGTM

https://codereview.chromium.org/501993003/diff/1/components/nacl/renderer/ppb...
File components/nacl/renderer/ppb_nacl_private_impl.cc (right):

https://codereview.chromium.org/501993003/diff/1/components/nacl/renderer/ppb...
components/nacl/renderer/ppb_nacl_private_impl.cc:75:
base::LazyInstance<scoped_refptr<PnaclTranslationResourceHost> >
As an aside, this use of base::LazyInstance<scoped_refptr<T>> surprised me.  It
seems convoluted (hence x.Get().get() later), but this pattern seems to be used
in various places in Chromium.

[dcheng, 2014-08-26 18:32:26]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-08-26 18:33:47]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dcheng@chromium.org/501993003/1

[commit-bot: I haz the power, 2014-08-26 19:20:20]

Committed patchset #1 (1) as 4facb84d13d26dfbc74dd913259785cf2376d7ff

[commit-bot: I haz the power, 2014-09-10 02:44:44]

Patchset 1 (id:??) landed as
https://crrev.com/a5c8bbd3f4861a20fc515c8ce4709f2d27323f89
Cr-Commit-Position: refs/heads/master@{#291959}