Infer network connection type from network interface type.

net/base/network_change_notifier_win.cc

 // Copyright (c) 2012 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/base/network_change_notifier_win.h"
 
 #include <iphlpapi.h>
 #include <winsock2.h>
 
 #include "base/bind.h"
@@ skipping 182 matching lines @@
       // There was nothing to iterate over!
     } else {
       LOG(WARNING) << "WSALookupServiceNext() failed with:" << result;
     }
   }
 
   result = WSALookupServiceEnd(ws_handle);
   LOG_IF(ERROR, result != 0)
       << "WSALookupServiceEnd() failed with: " << result;
 
-  // TODO(droger): Return something more detailed than CONNECTION_UNKNOWN.
-  return found_connection ? NetworkChangeNotifier::CONNECTION_UNKNOWN :
+  return found_connection ? ConnectionTypeFromInterfaces() :
                             NetworkChangeNotifier::CONNECTION_NONE;
 }
 
 NetworkChangeNotifier::ConnectionType
 NetworkChangeNotifierWin::GetCurrentConnectionType() const {
   base::AutoLock auto_lock(last_computed_connection_type_lock_);
   return last_computed_connection_type_;
 }
 
 void NetworkChangeNotifierWin::SetCurrentConnectionType(
@@ skipping 103 matching lines @@
     return;
   }
   if (last_announced_offline_)
     UMA_HISTOGRAM_CUSTOM_COUNTS("NCN.OfflinePolls", offline_polls_, 1, 50, 50);
   last_announced_offline_ = current_offline;
 
   NotifyObserversOfConnectionTypeChange();
 }
 
 }  // namespace net