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

chromeos/components/tether/network_connection_handler_tether_delegate.cc

+// 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.
+
+#include "chromeos/components/tether/network_connection_handler_tether_delegate.h"
+
+#include "chromeos/components/tether/tether_connector.h"
+#include "chromeos/components/tether/tether_disconnector.h"
+
+namespace chromeos {
+
+namespace tether {
+
+NetworkConnectionHandlerTetherDelegate::NetworkConnectionHandlerTetherDelegate(
+    NetworkConnectionHandler* network_connection_handler,
+    TetherConnector* tether_connector,
+    TetherDisconnector* tether_disconnector)
+    : network_connection_handler_(network_connection_handler),
+      tether_connector_(tether_connector),
+      tether_disconnector_(tether_disconnector) {
+  network_connection_handler_->SetTetherDelegate(this);
+}
+
+NetworkConnectionHandlerTetherDelegate::
+    ~NetworkConnectionHandlerTetherDelegate() {
+  network_connection_handler_->SetTetherDelegate(nullptr);
+}
+
+void NetworkConnectionHandlerTetherDelegate::DisconnectFromNetwork(
+    const std::string& tether_network_guid,
+    const base::Closure& success_callback,
+    const network_handler::StringResultCallback& error_callback) {
+  tether_disconnector_->DisconnectFromNetwork(tether_network_guid,
+                                              success_callback, error_callback);
+}
+
+void NetworkConnectionHandlerTetherDelegate::ConnectToNetwork(
+    const std::string& tether_network_guid,
+    const base::Closure& success_callback,
+    const network_handler::StringResultCallback& error_callback) {
+  tether_connector_->ConnectToNetwork(tether_network_guid, success_callback,
+                                      error_callback);
+}
+
+}  // namespace tether
+
+}  // namespace chromeos