Reimplements net::AddressList without struct addrinfo.

chrome/browser/extensions/extension_web_socket_proxy_private_api.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 "chrome/browser/extensions/extension_web_socket_proxy_private_api.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/values.h"
@@ skipping 110 matching lines @@
   }
 #else
   Finalize();
 #endif
 
   return true;
 }
 
 void WebSocketProxyPrivate::OnHostResolution(int result) {
 #if defined(OS_CHROMEOS)
-  if (result == 0 && addr_.head() != NULL) {
-    std::string ip = net::NetAddressToString(addr_.head());
+  if (result == 0 && !addr_.empty()) {
+    std::string ip = addr_.front().ToStringWithoutPort();
     if (!ip.empty() && ip.find(':') != std::string::npos && ip[0] != '[')
       ip = '[' + ip + ']';
     map_["addr"] = ip;
   }
   content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
       base::Bind(&WebSocketProxyPrivate::Finalize, this));
 #endif
 }
 
 WebSocketProxyPrivateGetURLForTCPFunction::
@@ skipping 53 matching lines @@
 void WebSocketProxyPrivateGetPassportForTCPFunction::CustomFinalize() {
 #if defined(OS_CHROMEOS)
   std::string passport =
       browser::InternalAuthGeneration::GeneratePassport(
           "web_socket_proxy", map_) + std::string(":");
   if (ContainsKey(map_, "addr"))
     passport += map_["addr"];
   result_.reset(Value::CreateStringValue(passport));
 #endif
 }