Enable ash new network status area by default

chromeos/network/network_state_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_STATE_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 43 matching lines @@
     : public internal::ShillPropertyHandler::Listener {
  public:
   typedef std::vector<ManagedState*> ManagedStateList;
   typedef std::vector<const NetworkState*> NetworkStateList;
 
   virtual ~NetworkStateHandler();
 
   // Sets the global instance. Must be called before any calls to Get().
   static void Initialize();
 
+  // Returns true if the global instance has been initialized.
+  static bool IsInitialized();
+
   // Destroys the global instance.
   static void Shutdown();
 
   // Gets the global instance. Initialize() must be called first.
   static NetworkStateHandler* Get();
 
   // Add/remove observers.
   void AddObserver(NetworkStateHandlerObserver* observer);
   void RemoveObserver(NetworkStateHandlerObserver* observer);
 
@@ skipping 153 matching lines @@
 
   // Keeps track of the default network for notifying observers when it changes.
   std::string default_network_path_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkStateHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_H_