Use the new CanonicalizeHostVerbose() function.

net/base/cookie_monster.cc

 // Copyright (c) 2006-2008 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.
 
 // Portions of this code based on Mozilla:
 //   (netwerk/cookie/src/nsCookieService.cpp)
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
@@ skipping 267 matching lines @@
     return true;
   }
 
   // Get the normalized domain specified in cookie line.
   // Note: The RFC says we can reject a cookie if the domain
   // attribute does not start with a dot. IE/FF/Safari however, allow a cookie
   // of the form domain=my.domain.com, treating it the same as
   // domain=.my.domain.com -- for compatibility we do the same here.  Firefox
   // also treats domain=.....my.domain.com like domain=.my.domain.com, but
   // neither IE nor Safari do this, and we don't either.
-  std::string cookie_domain(net::CanonicalizeHost(pc.Domain(), NULL));
+  url_canon::CanonHostInfo ignored;
+  std::string cookie_domain(net::CanonicalizeHost(pc.Domain(), &ignored));
   if (cookie_domain.empty())
     return false;
   if (cookie_domain[0] != '.')
     cookie_domain = "." + cookie_domain;
 
   // Ensure |url| and |cookie_domain| have the same domain+registry.
   const std::string url_domain_and_registry(
       RegistryControlledDomainService::GetDomainAndRegistry(url));
   if (url_domain_and_registry.empty())
     return false;  // IP addresses/intranet hosts can't set domain cookies.
@@ skipping 823 matching lines @@
   return true;
 }
 
 std::string CookieMonster::CanonicalCookie::DebugString() const {
   return StringPrintf("name: %s value: %s path: %s creation: %llu",
                       name_.c_str(), value_.c_str(), path_.c_str(),
                       creation_date_.ToTimeT());
 }
 
 }  // namespace