Don't key client auth on HttpNetworkSession.

content/browser/ssl/ssl_client_auth_handler.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
 #define CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
@@ skipping 53 matching lines @@
   // Called on the IO thread.
   void DoCertificateSelected(net::X509Certificate* cert);
 
   // Selects a client certificate on the UI thread.
   void DoSelectCertificate(int render_process_host_id,
                            int render_frame_host_id);
 
   // The net::URLRequest that triggered this client auth.
   net::URLRequest* request_;
 
-  // The HttpNetworkSession |request_| is associated with.
-  const net::HttpNetworkSession* http_network_session_;
-
   // The certs to choose from.
   scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
 
   scoped_ptr<net::ClientCertStore> client_cert_store_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLClientAuthHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SSL_SSL_CLIENT_AUTH_HANDLER_H_