Remove the configuration of Tether-associated Wi-Fi networks once connectivity is lost.

chromeos/components/tether/tether_network_disconnection_handler.h

 // Copyright 2017 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_COMPONENTS_TETHER_TETHER_NETWORK_DISCONNECTION_HANDLER_H_
 #define CHROMEOS_COMPONENTS_TETHER_TETHER_NETWORK_DISCONNECTION_HANDLER_H_
 
 #include "base/macros.h"
 #include "chromeos/components/tether/active_host.h"
 #include "chromeos/network/network_state_handler_observer.h"
 
 namespace chromeos {
 
 class NetworkStateHandler;
 
 namespace tether {
 
+class NetworkConfigurationRemover;
+
 class ActiveHost;
 
 // Handles lost Wi-Fi connections for ongoing tether sessions. When a tether
 // connection is in progress, the device is connected to an underlying Wi-Fi
 // network. If the Wi-Fi connection is disrupted (e.g., by the tether host going
 // out of Wi-Fi range), tether metadata must be updated accordingly. This class
 // tracks ongoing connections and updates this metadata when necessary.
 class TetherNetworkDisconnectionHandler : public NetworkStateHandlerObserver {
  public:
-  TetherNetworkDisconnectionHandler(ActiveHost* active_host);
+  TetherNetworkDisconnectionHandler(
+      ActiveHost* active_host,
+      NetworkStateHandler* network_state_handler,
+      NetworkConfigurationRemover* network_configuration_remover);
   ~TetherNetworkDisconnectionHandler() override;
 
   // NetworkStateHandlerObserver:
   void NetworkConnectionStateChanged(const NetworkState* network) override;
 
  private:
   friend class TetherNetworkDisconnectionHandlerTest;
 
-  TetherNetworkDisconnectionHandler(ActiveHost* active_host,
-                                    NetworkStateHandler* network_state_handler);
-
   ActiveHost* active_host_;
   NetworkStateHandler* network_state_handler_;
+  NetworkConfigurationRemover* network_configuration_remover_;
 
   DISALLOW_COPY_AND_ASSIGN(TetherNetworkDisconnectionHandler);
 };
 
 }  // namespace tether
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_COMPONENTS_TETHER_TETHER_NETWORK_DISCONNECTION_HANDLER_H_