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

chrome/browser/safe_browsing/protocol_parser.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.
 //
 // Parse the data returned from the SafeBrowsing v2.1 protocol response.
 
 #include <stdlib.h>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
@@ skipping 434 matching lines @@
 bool SafeBrowsingProtocolParser::ReadChunkId(
     const char** data, int* remaining, int* chunk_id) {
   // Protocol says four bytes, not sizeof(int).  Make sure those
   // values are the same.
   DCHECK_EQ(sizeof(*chunk_id), 4u);
   if (static_cast<size_t>(*remaining) < sizeof(*chunk_id))
     return false;
   memcpy(chunk_id, *data, sizeof(*chunk_id));
   *data += sizeof(*chunk_id);
   *remaining -= sizeof(*chunk_id);
-  *chunk_id = htonl(*chunk_id);
+  *chunk_id = base::HostToNet32(*chunk_id);
   DCHECK_GE(*remaining, 0);
   return true;
 }
 
 bool SafeBrowsingProtocolParser::ReadPrefixes(
     const char** data, int* remaining, SBEntry* entry, int count) {
   int hash_len = entry->HashLen();
   for (int i = 0; i < count; ++i) {
     if (entry->IsSub()) {
       int chunk_id;
@@ skipping 54 matching lines @@
 
     data += line.size() + 1;
     remaining -= static_cast<int>(line.size()) + 1;
   }
 
   if (client_key->empty() || wrapped_key->empty())
     return false;
 
   return true;
 }