Implement RestartWithAuth for NewFtpTransaction.

net/ftp/ftp_transaction.h

 // Copyright (c) 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.
 
 #ifndef NET_FTP_FTP_TRANSACTION_H_
 #define NET_FTP_FTP_TRANSACTION_H_
 
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/load_states.h"
 
 namespace net {
 
 class FtpRequestInfo;
-class FtpResponseInfo;
 class LoadLog;
 
+struct FtpResponseInfo;
+
 // Represents a single FTP transaction.
 class FtpTransaction {
  public:
   // Stops any pending IO and destroys the transaction object.
   virtual ~FtpTransaction() {}
 
   // Starts the FTP transaction (i.e., sends the FTP request).
   //
   // Returns OK if the transaction could be started synchronously, which means
   // that the request was served from the cache (only supported for directory
@@ skipping 42 matching lines @@
   virtual LoadState GetLoadState() const = 0;
 
   // Returns the upload progress in bytes.  If there is no upload data,
   // zero will be returned.
   virtual uint64 GetUploadProgress() const = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_FTP_FTP_TRANSACTION_H_