[NetworkChangeNotifier] Get connection type from interface list for Windows

net/base/network_change_notifier.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.h"
 
 #include <limits>
 #include <unordered_set>
 
 #include "base/macros.h"
@@ skipping 779 matching lines @@
     case CONNECTION_NONE:
     case CONNECTION_BLUETOOTH:
       is_cellular = false;
       break;
   }
   return is_cellular;
 }
 
 // static
 NetworkChangeNotifier::ConnectionType
+NetworkChangeNotifier::ConnectionTypeFromInterfaces() {
+  NetworkInterfaceList interfaces;
+  if (!GetNetworkList(&interfaces, EXCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES))
+    return CONNECTION_UNKNOWN;
+  return ConnectionTypeFromInterfaceList(interfaces);
+}
+
+// static
+NetworkChangeNotifier::ConnectionType
 NetworkChangeNotifier::ConnectionTypeFromInterfaceList(
     const NetworkInterfaceList& interfaces) {
   bool first = true;
   ConnectionType result = CONNECTION_NONE;
   for (size_t i = 0; i < interfaces.size(); ++i) {
 #if defined(OS_WIN)
     if (interfaces[i].friendly_name == "Teredo Tunneling Pseudo-Interface")
       continue;
 #endif
     // Remove VMware network interfaces as they're internal and should not be
@@ skipping 378 matching lines @@
 
 NetworkChangeNotifier::DisableForTest::~DisableForTest() {
   DCHECK(!g_network_change_notifier);
   g_network_change_notifier = network_change_notifier_;
 }
 
 void NetworkChangeNotifier::DNSObserver::OnInitialDNSConfigRead() {
 }
 
 }  // namespace net