Revert 125761 - Implement PPB_NetworkMonitor_Private Pepper interface.

webkit/glue/network_list_observer.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 WEBKIT_GLUE_NETWORK_LIST_OBSERVER_H_
-#define WEBKIT_GLUE_NETWORK_LIST_OBSERVER_H_
-
-#include <vector>
-
-namespace net {
-struct NetworkInterface;
-typedef std::vector<NetworkInterface> NetworkInterfaceList;
-}  // namespace net
-
-namespace webkit_glue {
-
-class NetworkListObserver {
- public:
-  virtual ~NetworkListObserver() {}
-
-  virtual void OnNetworkListChanged(
-      const net::NetworkInterfaceList& list) = 0;
-
- protected:
-  NetworkListObserver() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NetworkListObserver);
-};
-
-}  // namespace webkit_glue
-
-#endif  // WEBKIT_GLUE_NETWORK_LIST_OBSERVER_H_