[kudu-CR] arena: switch from shared_ptr components to unique_ptr

["Todd Lipcon (Code Review)" <ge...@cloudera.org>]

Hello Dan Burkert,

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

    http://gerrit.cloudera.org:8080/2242

to review the following change.

Change subject: arena: switch from shared_ptr components to unique_ptr
......................................................................

arena: switch from shared_ptr components to unique_ptr

We used to use shared_ptr here for laziness rather than for any
real sharing. unique_ptr works just as well, now that we are
in C++11.

Change-Id: If5218339809e6cb05461f978fe75860b97b01b61
---
M src/kudu/util/memory/arena.cc
M src/kudu/util/memory/arena.h
2 files changed, 5 insertions(+), 5 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/42/2242/1
-- 
To view, visit http://gerrit.cloudera.org:8080/2242
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Gerrit-MessageType: newchange
Gerrit-Change-Id: If5218339809e6cb05461f978fe75860b97b01b61
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Todd Lipcon <to...@apache.org>
Gerrit-Reviewer: Dan Burkert <da...@cloudera.com>