FTP: add net-internals logging.

net/ftp/ftp_network_transaction.h

Index: net/ftp/ftp_network_transaction.h
diff --git a/net/ftp/ftp_network_transaction.h b/net/ftp/ftp_network_transaction.h
index 681d806dfdcbd0a292cce1034b98c4d2b75a82bd..d5a3b9c0412c6291e7b455be321e5eb35c493630 100644
--- a/net/ftp/ftp_network_transaction.h
+++ b/net/ftp/ftp_network_transaction.h
@@ -132,7 +132,9 @@ class NET_EXPORT_PRIVATE FtpNetworkTransaction : public FtpTransaction {
   // issued command. Returns error code.
   int ProcessCtrlResponse();
 
-  int SendFtpCommand(const std::string& command, Command cmd);
+  int SendFtpCommand(const std::string& command,
+                     const std::string& command_for_log,
+                     Command cmd);
 
   // Returns request path suitable to be included in an FTP command. If the path
   // will be used as a directory, |is_directory| should be true.