Reimplements net::AddressList without struct addrinfo.

net/http/http_auth_handler_negotiate.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/http/http_auth_handler_negotiate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 128 matching lines @@
   // ports. IE6 required a hotpatch and a registry setting to enable
   // including non-standard ports, and IE7 and IE8 also require the same
   // registry setting, but no hotpatch. Firefox does not appear to have an
   // option to include non-standard ports as of 3.6.
   //   http://support.microsoft.com/kb/908209
   //
   // Without any command-line flags, Chrome matches the behavior of Firefox
   // and IE. Users can override the behavior so aliases are allowed and
   // non-standard ports are included.
   int port = origin.EffectiveIntPort();
-  std::string server;
-  if (!address_list.GetCanonicalName(&server))
+  std::string server = address_list.canonical_name();
+  if (server.empty())
     server = origin.host();
 #if defined(OS_WIN)
   static const char kSpnSeparator = '/';
 #elif defined(OS_POSIX)
   static const char kSpnSeparator = '@';
 #endif
   if (port != 80 && port != 443 && use_port_) {
     return ASCIIToWide(base::StringPrintf("HTTP%c%s:%d", kSpnSeparator,
                                           server.c_str(), port));
   } else {
@@ skipping 168 matching lines @@
 bool HttpAuthHandlerNegotiate::CanDelegate() const {
   // TODO(cbentzel): Should delegation be allowed on proxies?
   if (target_ == HttpAuth::AUTH_PROXY)
     return false;
   if (!url_security_manager_)
     return false;
   return url_security_manager_->CanDelegate(origin_);
 }
 
 }  // namespace net