[kudu-CR] Support move constructor and assignment operator in scoped_refptr

["Todd Lipcon (Code Review)" <ge...@ip-10-146-233-104.ec2.internal>]

Hello Dan Burkert,

I'd like you to do a code review.  Please visit

    http://gerrit.cloudera.org:8080/1870

to review the following change.

Change subject: Support move constructor and assignment operator in scoped_refptr
......................................................................

Support move constructor and assignment operator in scoped_refptr

This is a port over of 4c3de21a3dcdd9e27a770572350eeaa98cdb9e87 from
the chromium-base repository.

The port isn't 100% -- on their side they added a .Pass() to scoped_refptr.
However, I think in our case we should just use std::move() for this use case.

Change-Id: I339c9f6c3bfc0fcacd44aa53bdd75d723b9aab47
---
M src/kudu/gutil/ref_counted.h
1 file changed, 19 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/70/1870/1
-- 
To view, visit http://gerrit.cloudera.org:8080/1870
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I339c9f6c3bfc0fcacd44aa53bdd75d723b9aab47
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Dan Burkert <da...@cloudera.com>