DNS: Don't use forbidden non-const reference

DNS: Don't use forbidden non-const reference

BUG=

Committed: https://crrev.com/520d1ac60e430f5cc50d889babff86930ed4e955
Cr-Commit-Position: refs/heads/master@{#314474}

[Deprecated (see juliatuttle), 2015-02-03 21:05:40]

ttuttle@chromium.org changed reviewers:
+ davidben@chromium.org

[davidben, 2015-02-03 21:20:32]

https://codereview.chromium.org/899433008/diff/1/net/dns/dns_hosts.cc
File net/dns/dns_hosts.cc (right):

https://codereview.chromium.org/899433008/diff/1/net/dns/dns_hosts.cc#newcode158
net/dns/dns_hosts.cc:158: IPAddressNumber& mapped_ip = (*dns_hosts)[key];
There's another one here too. :-)

[Deprecated (see juliatuttle), 2015-02-03 22:12:11]

PTAL, davidben.

https://codereview.chromium.org/899433008/diff/1/net/dns/dns_hosts.cc
File net/dns/dns_hosts.cc (right):

https://codereview.chromium.org/899433008/diff/1/net/dns/dns_hosts.cc#newcode158
net/dns/dns_hosts.cc:158: IPAddressNumber& mapped_ip = (*dns_hosts)[key];
On 2015/02/03 21:20:32, David Benjamin wrote:
> There's another one here too. :-)

Done.

[davidben, 2015-02-03 22:16:45]

lgtm

[Deprecated (see juliatuttle), 2015-02-04 02:02:49]

The CQ bit was checked by ttuttle@chromium.org

[commit-bot: I haz the power, 2015-02-04 02:03:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/899433008/20001

[commit-bot: I haz the power, 2015-02-04 02:07:31]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-02-04 02:08:50]

Patchset 2 (id:??) landed as
https://crrev.com/520d1ac60e430f5cc50d889babff86930ed4e955
Cr-Commit-Position: refs/heads/master@{#314474}