Add command line switch "--new-ftp" for new portable...

chrome/browser/net/chrome_url_request_context.cc

Index: chrome/browser/net/chrome_url_request_context.cc
===================================================================
--- chrome/browser/net/chrome_url_request_context.cc	(revision 11734)
+++ chrome/browser/net/chrome_url_request_context.cc	(working copy)
@@ -15,6 +15,7 @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/pref_names.h"
+#include "net/ftp/ftp_network_layer.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_util.h"
@@ -82,6 +83,15 @@
   }
   context->http_transaction_factory_ = cache;
 
+  // The kNewFtp switch is Windows specific only because we have multiple FTP
+  // implementations on Windows.
+#if defined(OS_WIN)
+  if (command_line.HasSwitch(switches::kNewFtp))
+    context->ftp_transaction_factory_ = new net::FtpNetworkLayer;
+#else
+  context->ftp_transaction_factory_ = new net::FtpNetworkLayer;
+#endif
+
   // setup cookie store
   if (!context->cookie_store_) {
     DCHECK(!cookie_store_path.empty());
@@ -288,6 +298,7 @@
       NotificationService::NoDetails());
 
   delete cookie_store_;
+  delete ftp_transaction_factory_;
   delete http_transaction_factory_;
 
   // Do not delete the proxy service in the case of OTR, as it is owned by the