Add support for wu-ftpd style FTP LIST response format.

net/ftp/ftp_directory_listing_parser_ls.h

 // Copyright (c) 2009 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_DIRECTORY_LISTING_PARSER_LS_H_
 #define NET_FTP_FTP_DIRECTORY_LISTING_PARSER_LS_H_
 
 #include <queue>
 
 #include "net/ftp/ftp_directory_listing_parser.h"
@@ skipping 12 matching lines @@
   virtual bool EntryAvailable() const;
   virtual FtpDirectoryListingEntry PopEntry();
 
  private:
   bool received_nonempty_line_;
 
   // True after we have received a "total n" listing header, where n is an
   // integer. Only one such header is allowed per listing.
   bool received_total_line_;
 
+  // There is a variant of the listing served by wu-ftpd which doesn't contain
+  // the "number of links" column (the second column in a "standard" ls -l
+  // listing). Store an offset to reference later columns.
+  int column_offset_;
+
   std::queue<FtpDirectoryListingEntry> entries_;
 
   DISALLOW_COPY_AND_ASSIGN(FtpDirectoryListingParserLs);
 };
 
 }  // namespace net
 
 #endif  // NET_FTP_FTP_DIRECTORY_LISTING_PARSER_LS_H_