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

chromeos/components/tether/network_configuration_remover.h

Index: chromeos/components/tether/network_configuration_remover.h
diff --git a/chromeos/components/tether/network_configuration_remover.h b/chromeos/components/tether/network_configuration_remover.h
new file mode 100644
index 0000000000000000000000000000000000000000..996279ee522e83d9279039e2d702ae2ed7470dd6
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+++ b/chromeos/components/tether/network_configuration_remover.h
@@ -0,0 +1,45 @@
+// 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_NETWORK_CONFIGURATION_REMOVER_H_
+#define CHROMEOS_COMPONENTS_TETHER_NETWORK_CONFIGURATION_REMOVER_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "chromeos/network/network_state_handler.h"
+
+namespace chromeos {
+
+class ManagedNetworkConfigurationHandler;
+class NetworkStateHandler;
+
+namespace tether {
+
+// Handles the removal of the configuration of a Wi-Fi network.
+class NetworkConfigurationRemover {
+ public:
+  NetworkConfigurationRemover(NetworkStateHandler* network_state_handler,
+                              ManagedNetworkConfigurationHandler*
+                                  managed_network_configuration_handler);
+  virtual ~NetworkConfigurationRemover();
+
+  // Remove the network configuration of the Wi-Fi hotspot referenced by
+  // |wifi_network_guid|.
+  virtual void RemoveNetworkConfiguration(const std::string& wifi_network_guid);
+
+ private:
+  friend class NetworkConfigurationRemoverTest;
+
+  NetworkStateHandler* network_state_handler_;
+  ManagedNetworkConfigurationHandler* managed_network_configuration_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationRemover);
+};
+
+}  // namespace tether
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_COMPONENTS_TETHER_NETWORK_CONFIGURATION_REMOVER_H_