Massively simplify the NetworkChangeNotifier infrastructure:...

chrome/service/net/service_network_change_notifier_thread.h

-// 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.
-
-#ifndef CHROME_SERVICE_NET_SERVICE_NETWORK_CHANGE_NOTIFIER_THREAD_H_
-#define CHROME_SERVICE_NET_SERVICE_NETWORK_CHANGE_NOTIFIER_THREAD_H_
-
-#include "base/basictypes.h"
-#include "base/ref_counted.h"
-#include "base/scoped_ptr.h"
-#include "chrome/common/net/network_change_notifier_thread.h"
-
-class MessageLoop;
-
-namespace net {
-class NetworkChangeNotifier;
-}  // namespace net
-
-// This is a simple implementation of NetworkChangeNotifierThread.
-// Note that Initialize MUST be called before this class can be used.
-class ServiceNetworkChangeNotifierThread
-    : public chrome_common_net::NetworkChangeNotifierThread,
-      public base::RefCountedThreadSafe<ServiceNetworkChangeNotifierThread> {
- public:
-  // Does not take ownership of |io_thread_message_loop|. This instance must
-  // live no longer than |io_thread_message_loop|.
-  // TODO(sanjeevr): Change NetworkChangeNotifierThread to use MessageLoopProxy
-  explicit ServiceNetworkChangeNotifierThread(
-      MessageLoop* io_thread_message_loop);
-  virtual ~ServiceNetworkChangeNotifierThread();
-
-  // Initialize MUST be called before this class can be used.
-  void Initialize();
-
-  // chrome_common_net::NetworkChangeNotifierThread implementation.
-
-  virtual MessageLoop* GetMessageLoop() const;
-
-  virtual net::NetworkChangeNotifier* GetNetworkChangeNotifier() const;
-
- private:
-  MessageLoop* const io_thread_message_loop_;
-  scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
-
-  void CreateNetworkChangeNotifier();
-  DISALLOW_COPY_AND_ASSIGN(ServiceNetworkChangeNotifierThread);
-};
-
-#endif  // CHROME_SERVICE_NET_SERVICE_NETWORK_CHANGE_NOTIFIER_THREAD_H_
-