[CrOS Tether] Create TetherDisconnector, which disconnects from active tethering sessions.

chromeos/components/tether/initializer.h

Index: chromeos/components/tether/initializer.h
diff --git a/chromeos/components/tether/initializer.h b/chromeos/components/tether/initializer.h
index 185ba7e36f75b23e0e7fc368c9c98768d9330518..7ec649384633569a2603e68ef8526d20fd1b738e 100644
--- a/chromeos/components/tether/initializer.h
+++ b/chromeos/components/tether/initializer.h
@@ -35,6 +35,7 @@ namespace tether {
 class ActiveHost;
 class ActiveHostNetworkStateUpdater;
 class BleConnectionManager;
+class NetworkConnectionHandlerTetherDelegate;
 class DeviceIdTetherNetworkGuidMap;
 class HostScanCache;
 class HostScanner;
@@ -43,6 +44,7 @@ class LocalDeviceDataProvider;
 class NetworkConfigurationRemover;
 class NotificationPresenter;
 class TetherConnector;
+class TetherDisconnector;
 class TetherHostFetcher;
 class TetherHostResponseRecorder;
 class TetherNetworkDisconnectionHandler;
@@ -121,7 +123,10 @@ class Initializer : public OAuth2TokenService::Observer {
   std::unique_ptr<DeviceIdTetherNetworkGuidMap>
       device_id_tether_network_guid_map_;
   std::unique_ptr<TetherConnector> tether_connector_;
+  std::unique_ptr<TetherDisconnector> tether_disconnector_;
   std::unique_ptr<NetworkConfigurationRemover> network_configuration_remover_;
+  std::unique_ptr<NetworkConnectionHandlerTetherDelegate>
+      network_connection_handler_tether_delegate_;
   std::unique_ptr<TetherNetworkDisconnectionHandler>
       tether_network_disconnection_handler_;
   std::unique_ptr<HostScanCache> host_scan_cache_;