Add connection type to NCN::MaxBandwidthChanged

net/base/network_change_notifier_mac.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_mac.h"
 
 #include <netinet/in.h>
 #include <resolv.h>
 
 #include "base/basictypes.h"
@@ skipping 239 matching lines @@
 
   DCHECK_EQ(notifier_mac->run_loop_.get(), CFRunLoopGetCurrent());
 
   ConnectionType new_type = CalculateConnectionType(flags);
   ConnectionType old_type;
   {
     base::AutoLock lock(notifier_mac->connection_type_lock_);
     old_type = notifier_mac->connection_type_;
     notifier_mac->connection_type_ = new_type;
   }
-  if (old_type != new_type)
+  if (old_type != new_type) {
     NotifyObserversOfConnectionTypeChange();
+    double max_bandwidth_mbps =
+        NetworkChangeNotifier::GetMaxBandwidthForConnectionSubtype(
+            new_type == CONNECTION_NONE ? SUBTYPE_NONE : SUBTYPE_UNKNOWN);
+    NotifyObserversOfMaxBandwidthChange(max_bandwidth_mbps, new_type);
+  }
 
 #if defined(OS_IOS)
   // On iOS, the SCDynamicStore API does not exist, and we use the reachability
   // API to detect IP address changes instead.
   NotifyObserversOfIPAddressChange();
 #endif  // defined(OS_IOS)
 }
 
 }  // namespace net