Use GUID instead of ServicePath in networkingPrivate API

chromeos/network/network_state.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_H_
 #define CHROMEOS_NETWORK_NETWORK_STATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 81 matching lines @@
 
   // Returns true if the network properties are stored in a user profile.
   bool IsPrivate() const;
 
   // Returns a comma separated string of name servers.
   std::string GetDnsServersAsString() const;
 
   // Converts the prefix length to a netmask string.
   std::string GetNetmask() const;
 
+  // Set the GUID. Called exclusively by NetworkStateHandler.
+  void SetGuid(const std::string& guid);
+
   // Helpers (used e.g. when a state or error is cached)
   static bool StateIsConnected(const std::string& connection_state);
   static bool StateIsConnecting(const std::string& connection_state);
   static bool ErrorIsValid(const std::string& error);
 
  private:
   friend class MobileActivatorTest;
   friend class NetworkStateHandler;
   friend class NetworkChangeNotifierChromeosUpdateTest;
 
@@ skipping 46 matching lines @@
   // Whether a deprecated CaCertNSS property of this network is set. Required
   // for migration to PEM.
   bool has_ca_cert_nss_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkState);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_STATE_H_