Using the new Network*Handlers in networkingPrivate Extension API.

chromeos/network/network_configuration_handler.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 CHROMEOS_NETWORK_NETWORK_CONFIGURATION_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_CONFIGURATION_HANDLER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 28 matching lines @@
 // that is suitable for logging. None of the error message text is meant for
 // user consumption.
 
 class CHROMEOS_EXPORT NetworkConfigurationHandler {
  public:
   ~NetworkConfigurationHandler();
 
   // Sets the global instance. Must be called before any calls to Get().
   static void Initialize();
 
+  // Returns if the singleton is initialized.
+  static bool IsInitialized();
+
   // Destroys the global instance.
   static void Shutdown();
 
   // Gets the global instance. Initialize() must be called first.
   static NetworkConfigurationHandler* Get();
 
   // Gets the properties of the network with id |service_path|. See note on
   // |callback| and |error_callback|, in class description above.
   void GetProperties(
       const std::string& service_path,
@@ skipping 54 matching lines @@
  private:
   friend class NetworkConfigurationHandlerTest;
   NetworkConfigurationHandler();
 
   DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_CONFIGURATION_HANDLER_H_