Remove -Wno-unused-private-field clang warning suppression.

net/http/http_auth_handler_negotiate.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/http/http_auth_handler_negotiate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "net/base/address_family.h"
 #include "net/base/net_errors.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/single_request_host_resolver.h"
 #include "net/http/http_auth_filter.h"
 #include "net/http/url_security_manager.h"
 
 namespace net {
 
 HttpAuthHandlerNegotiate::Factory::Factory()
     : disable_cname_lookup_(false),
       use_port_(false),
       resolver_(NULL),
 #if defined(OS_WIN)
       max_token_length_(0),
-      first_creation_(true),
 #endif
       is_unsupported_(false) {
 }
 
 HttpAuthHandlerNegotiate::Factory::~Factory() {
 }
 
 void HttpAuthHandlerNegotiate::Factory::set_host_resolver(
     HostResolver* resolver) {
   resolver_ = resolver;
@@ skipping 291 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