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

net/base/net_util_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 "net/base/net_util.h"
 
 #include <string.h>
 
 #include <algorithm>
 
 #include "base/file_path.h"
 #include "base/format_macros.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
+#include "base/sys_byteorder.h"
 #include "base/sys_string_conversions.h"
 #include "base/test/test_file_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/sys_addrinfo.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
@@ skipping 387 matching lines @@
 
   struct addrinfo* ai = &static_ai;
   ai->ai_socktype = SOCK_STREAM;
   memset(ai, 0, sizeof(static_ai));
 
   ai->ai_family = AF_INET;
   ai->ai_addrlen = sizeof(static_addr4);
 
   struct sockaddr_in* addr4 = &static_addr4;
   memset(addr4, 0, sizeof(static_addr4));
-  addr4->sin_port = htons(port);
+  addr4->sin_port = base::HostToNet16(port);
   addr4->sin_family = ai->ai_family;
   memcpy(&addr4->sin_addr, bytes, 4);
 
   ai->ai_addr = (sockaddr*)addr4;
   return ai;
 }
 
 // Returns a addrinfo for the given 128-bit address (IPv6.)
 // The result lives in static storage, so don't delete it.
 // |bytes| should be an array of length 16.
 const struct addrinfo* GetIPv6Address(const uint8* bytes, int port) {
   static struct addrinfo static_ai;
   static struct sockaddr_in6 static_addr6;
 
   struct addrinfo* ai = &static_ai;
   ai->ai_socktype = SOCK_STREAM;
   memset(ai, 0, sizeof(static_ai));
 
   ai->ai_family = AF_INET6;
   ai->ai_addrlen = sizeof(static_addr6);
 
   struct sockaddr_in6* addr6 = &static_addr6;
   memset(addr6, 0, sizeof(static_addr6));
-  addr6->sin6_port = htons(port);
+  addr6->sin6_port = base::HostToNet16(port);
   addr6->sin6_family = ai->ai_family;
   memcpy(&addr6->sin6_addr, bytes, 16);
 
   ai->ai_addr = (sockaddr*)addr6;
   return ai;
 }
 
 // A helper for IDN*{Fast,Slow}.
 // Append "::<language list>" to |expected| and |actual| to make it
 // easy to tell which sub-case fails without debugging.
@@ skipping 2757 matching lines @@
       if (it->address[i] != 0) {
         all_zeroes = false;
         break;
       }
     }
     EXPECT_FALSE(all_zeroes);
   }
 }
 
 }  // namespace net