Refactor Android's NetworckChangeNotifier.

net/android/network_change_notifier_factory.h

 // 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.
 
 #ifndef NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
 #define NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "net/base/network_change_notifier_factory.h"
 
 namespace net {
 
 class NetworkChangeNotifier;
 
 namespace android {
 
-// NetworkChangeNotifierFactory creates Android-specific specialization of
-// NetworkChangeNotifier.
+class NetworkChangeNotifier;
+
+// NetworkChangeNotifierFactory creates a sinfleton Android-specific

[Ryan Sleevi, 2012/07/02 16:12:21]

sinfleton -> singleton

+// specialization of NetworkChangeNotifier.
 class NetworkChangeNotifierFactory : public net::NetworkChangeNotifierFactory {
  public:
   NetworkChangeNotifierFactory();
+  static NetworkChangeNotifier* GetInstance();
 
   // Overrides of net::NetworkChangeNotifierFactory.
   virtual net::NetworkChangeNotifier* CreateInstance() OVERRIDE;
 };
 
 }  // namespace android
 }  // namespace net
 
 #endif  // NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_