Revert 188912 "Removed static factories for data, ftp, file, and..."

trunk/src/net/url_request/ftp_protocol_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 NET_URL_REQUEST_FTP_PROTOCOL_HANDLER_H_
 #define NET_URL_REQUEST_FTP_PROTOCOL_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "net/ftp/ftp_auth_cache.h"
 #include "net/url_request/url_request_job_factory.h"
 
 namespace net {
 
+class FtpAuthCache;
 class FtpTransactionFactory;
 class NetworkDelegate;
 class URLRequestJob;
 
 // Implements a ProtocolHandler for FTP.
 class NET_EXPORT FtpProtocolHandler :
     public URLRequestJobFactory::ProtocolHandler {
  public:
-  explicit FtpProtocolHandler(FtpTransactionFactory* ftp_transaction_factory);
+  FtpProtocolHandler(FtpTransactionFactory* ftp_transaction_factory,
+                     FtpAuthCache* ftp_auth_cache);
   virtual URLRequestJob* MaybeCreateJob(
       URLRequest* request, NetworkDelegate* network_delegate) const OVERRIDE;
 
  private:
   FtpTransactionFactory* ftp_transaction_factory_;
-  mutable FtpAuthCache ftp_auth_cache_;
+  FtpAuthCache* ftp_auth_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(FtpProtocolHandler);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_FTP_PROTOCOL_HANDLER_H_