Fix compatibility problems with FileZilla FTP Server.

net/ftp/ftp_network_transaction.cc

Index: net/ftp/ftp_network_transaction.cc
diff --git a/net/ftp/ftp_network_transaction.cc b/net/ftp/ftp_network_transaction.cc
index d4820b1b80f640a9fd6419193fcc34f230ce8d50..03a12916a38e6b58363dc46befb22298e996ac82 100644
--- a/net/ftp/ftp_network_transaction.cc
+++ b/net/ftp/ftp_network_transaction.cc
@@ -923,8 +923,10 @@ int FtpNetworkTransaction::ProcessResponseRETR(
       retr_failed_ = true;
 
       // It's possible that RETR failed because the path is a directory.
-      // Try CWD next, to see if that's the case.
-      next_state_ = STATE_CTRL_WRITE_CWD;
+      // We're going to try CWD next, but first send a PASV one more time,
+      // because some FTP servers, including FileZilla, require that.
+      // See http://crbug.com/25316.
+      next_state_ = STATE_CTRL_WRITE_PASV;

[wtc, 2009/10/22 22:15:29]

It's not clear how we arrange to try CWD after the PASV is
done.

       break;
     default:
       NOTREACHED();