DNS: Don't use forbidden non-const reference

net/dns/dns_hosts.cc

Index: net/dns/dns_hosts.cc
diff --git a/net/dns/dns_hosts.cc b/net/dns/dns_hosts.cc
index b4d213b80c451fa24935473b53a720732f8ede7e..047add27053ef1ad9d5f2b0283a35002339642a3 100644
--- a/net/dns/dns_hosts.cc
+++ b/net/dns/dns_hosts.cc
@@ -131,7 +131,6 @@ void ParseHostsWithCommaMode(const std::string& contents,
                              DnsHosts* dns_hosts,
                              ParseHostsCommaMode comma_mode) {
   CHECK(dns_hosts);
-  DnsHosts& hosts = *dns_hosts;
 
   StringPiece ip_text;
   IPAddressNumber ip;
@@ -156,7 +155,7 @@ void ParseHostsWithCommaMode(const std::string& contents,
     } else {
       DnsHostsKey key(parser.token().as_string(), family);
       base::StringToLowerASCII(&key.first);
-      IPAddressNumber& mapped_ip = hosts[key];
+      IPAddressNumber& mapped_ip = (*dns_hosts)[key];

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

There's another one here too. :-)

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

Done.

       if (mapped_ip.empty())
         mapped_ip = ip;
       // else ignore this entry (first hit counts)