Migrate chrome/browser/net/* to net::IPAddress.

chrome/browser/net/dns_probe_test_util.cc

Index: chrome/browser/net/dns_probe_test_util.cc
diff --git a/chrome/browser/net/dns_probe_test_util.cc b/chrome/browser/net/dns_probe_test_util.cc
index 5d51a3224f87b5d5356ee27b119a5c8a21119cc9..9cdbe0f4ca2c37d3c69c2bb329e6c5dc03590fd1 100644
--- a/chrome/browser/net/dns_probe_test_util.cc
+++ b/chrome/browser/net/dns_probe_test_util.cc
@@ -7,12 +7,13 @@
 #include <stdint.h>
 
 #include "chrome/browser/net/dns_probe_runner.h"
+#include "net/base/ip_address.h"
 #include "net/dns/dns_config_service.h"
 #include "net/dns/dns_protocol.h"
 
 using net::DnsClient;
 using net::DnsConfig;
-using net::IPAddressNumber;
+using net::IPAddress;
 using net::MockDnsClientRule;
 using net::MockDnsClientRuleList;
 using net::ParseIPLiteralToNumber;
@@ -22,8 +23,7 @@ namespace chrome_browser_net {
 scoped_ptr<DnsClient> CreateMockDnsClientForProbes(
     MockDnsClientRule::Result result) {
   DnsConfig config;
-  IPAddressNumber dns_ip;
-  ParseIPLiteralToNumber("192.168.1.1", &dns_ip);
+  IPAddress dns_ip(192, 168, 1, 1);
   const uint16_t kDnsPort = net::dns_protocol::kDefaultPort;
   config.nameservers.push_back(net::IPEndPoint(dns_ip, kDnsPort));