Adds a new error for cases where a firewall may be the issue.

net/socket/tcp_client_socket_win.cc

 // Copyright (c) 2010 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.
 
 #include "net/socket/tcp_client_socket_win.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory_debug.h"
 #include "base/metrics/stats_counters.h"
@@ skipping 46 matching lines @@
   CHECK(ok);
   return true;
 }
 
 //-----------------------------------------------------------------------------
 
 int MapWinsockError(int os_error) {
   // There are numerous Winsock error codes, but these are the ones we thus far
   // find interesting.
   switch (os_error) {
-    // connect fails with WSAEACCES when Windows Firewall blocks the
-    // connection.
     case WSAEACCES:
       return ERR_ACCESS_DENIED;
     case WSAENETDOWN:
       return ERR_INTERNET_DISCONNECTED;
     case WSAETIMEDOUT:
       return ERR_TIMED_OUT;
     case WSAECONNRESET:
     case WSAENETRESET:  // Related to keep-alive
       return ERR_CONNECTION_RESET;
     case WSAECONNABORTED:
@@ skipping 18 matching lines @@
       return OK;
     default:
       LOG(WARNING) << "Unknown error " << os_error
                    << " mapped to net::ERR_FAILED";
       return ERR_FAILED;
   }
 }
 
 int MapConnectError(int os_error) {
   switch (os_error) {
+    // connect fails with WSAEACCES when Windows Firewall blocks the
+    // connection.
+    case WSAEACCES:
+      return ERR_NETWORK_ACCESS_DENIED;
     case WSAETIMEDOUT:
       return ERR_CONNECTION_TIMED_OUT;
     default: {
       int net_error = MapWinsockError(os_error);
       if (net_error == ERR_FAILED)
         return ERR_CONNECTION_FAILED;  // More specific than ERR_FAILED.
 
       // Give a more specific error when the user is offline.
       if (net_error == ERR_ADDRESS_UNREACHABLE &&
           NetworkChangeNotifier::IsOffline()) {
@@ skipping 697 matching lines @@
         use_history_.set_was_used_to_convey_data();
       LogByteTransfer(net_log_, NetLog::TYPE_SOCKET_BYTES_SENT, num_bytes,
                       core_->write_buffer_.buf);
     }
   }
   core_->write_iobuffer_ = NULL;
   DoWriteCallback(rv);
 }
 
 }  // namespace net