Add base::HostToNetXX() & NetToHostXX(), and use them to replace htonX() & ntohX() in Chrome.

net/dns/dns_config_service_posix_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <resolv.h>
 
 #include "base/sys_byteorder.h"
 #include "net/dns/dns_config_service_posix.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 55 matching lines @@
 
   const char* ip4addr[3] = {
       "8.8.8.8",
       "192.168.1.1",
       "63.1.2.4",
   };
 
   for (int i = 0; i < 3; ++i) {
     struct sockaddr_in sa;
     sa.sin_family = AF_INET;
-    sa.sin_port = htons(NS_DEFAULTPORT + i - generation);
+    sa.sin_port = base::HostToNet16(NS_DEFAULTPORT + i - generation);
     inet_pton(AF_INET, ip4addr[i], &sa.sin_addr);
     res->nsaddr_list[i] = sa;
   }
   res->nscount = 3;
 
 #if defined(OS_LINUX)
   const char* ip6addr[2] = {
       "2001:db8:0::42",
       "::FFFF:129.144.52.38",
   };
 
   for (int i = 0; i < 2; ++i) {
     // Must use malloc to mimick res_ninit.
     struct sockaddr_in6 *sa6;
     sa6 = (struct sockaddr_in6 *)malloc(sizeof(*sa6));
     sa6->sin6_family = AF_INET6;
-    sa6->sin6_port = htons(NS_DEFAULTPORT - i);
+    sa6->sin6_port = base::HostToNet16(NS_DEFAULTPORT - i);
     inet_pton(AF_INET6, ip6addr[i], &sa6->sin6_addr);
     res->_u._ext.nsaddrs[i] = sa6;
   }
   res->_u._ext.nscount6 = 2;
 #endif
 }
 
 void CloseResState(res_state res) {
 #if defined(OS_LINUX)
   for (int i = 0; i < res->_u._ext.nscount6; ++i) {
@@ skipping 16 matching lines @@
     CompareConfig(res[i], config[i]);
     CloseResState(&res[i]);
   }
   EXPECT_TRUE(config[0].Equals(config[0]));
   EXPECT_FALSE(config[0].Equals(config[1]));
   EXPECT_FALSE(config[1].Equals(config[0]));
 }
 
 }  // namespace
 }  // namespace net
-
-