[CrOS Tether] Add disconnect handling to NetworkConnectionHandler::TetherDelegate.

chromeos/network/managed_network_configuration_handler_impl.h

 // Copyright 2013 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_MANAGED_NETWORK_CONFIGURATION_HANDLER_IMPL_H_
 #define CHROMEOS_NETWORK_MANAGED_NETWORK_CONFIGURATION_HANDLER_IMPL_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 98 matching lines @@
   void UpdateExistingConfigurationWithPropertiesFromPolicy(
       const base::DictionaryValue& existing_properties,
       const base::DictionaryValue& new_properties) override;
 
   void OnPoliciesApplied(const NetworkProfile& profile) override;
 
  private:
   friend class AutoConnectHandlerTest;
   friend class ClientCertResolverTest;
   friend class ManagedNetworkConfigurationHandlerTest;
-  friend class NetworkConnectionHandlerTest;
+  friend class NetworkConnectionHandlerImplTest;
   friend class NetworkHandler;
   friend class ProhibitedTechnologiesHandlerTest;
 
   struct Policies;
   typedef base::Callback<void(
       const std::string& service_path,
       std::unique_ptr<base::DictionaryValue> properties)>
       GetDevicePropertiesCallback;
   typedef std::map<std::string, std::unique_ptr<Policies>> UserToPoliciesMap;
   typedef std::map<std::string, std::unique_ptr<PolicyApplicator>>
@@ skipping 103 matching lines @@
   // For Shill client callbacks
   base::WeakPtrFactory<ManagedNetworkConfigurationHandlerImpl>
       weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagedNetworkConfigurationHandlerImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_MANAGED_NETWORK_CONFIGURATION_HANDLER_IMPL_H_