Fix OpenSSL x509 unit test build breakage by adding a missing getter for a scoped_refptr.

Fix OpenSSL x509 unit test build breakage by adding a missing getter for a scoped_refptr.

R=sleevi@chromium.org,davidben@chromium.org
CC=cloudview-eng
BUG=

Committed: https://crrev.com/8e53e464d828dd6e56775b28cb17ad0fe5bca11c
Cr-Commit-Position: refs/heads/master@{#302100}

[Kevin Marshall, 2014-10-29 18:04:37]

marshallk@google.com changed reviewers:
+ rsleevi@chromium.org
- sleevi@chromium.org

[Kevin Marshall, 2014-10-29 18:04:46]

marshallk@google.com changed reviewers:
+ marshallk@google.com

[Ryan Sleevi, 2014-10-29 18:07:49]

This LGTM, but that you ran into it tells me that you're doing something not
supported and very likely dangerous for security. Let's follow-up to understand
more, because whatever build config you have is likely dangerous.

[davidben, 2014-10-30 16:31:27]

The CQ bit was checked by davidben@chromium.org

[commit-bot: I haz the power, 2014-10-30 16:32:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/691593002/1

[commit-bot: I haz the power, 2014-10-30 17:40:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-30 17:41:39]

Patchset 1 (id:??) landed as
https://crrev.com/8e53e464d828dd6e56775b28cb17ad0fe5bca11c
Cr-Commit-Position: refs/heads/master@{#302100}