[CrOS Tether] Create TetherConnector, which attempts to connect to a nearby tether host.

chromeos/components/tether/device_id_tether_network_guid_map.h

Index: chromeos/components/tether/device_id_tether_network_guid_map.h
diff --git a/chromeos/components/tether/device_id_tether_network_guid_map.h b/chromeos/components/tether/device_id_tether_network_guid_map.h
new file mode 100644
index 0000000000000000000000000000000000000000..2d78ca24ffc748d9a4f579f07623addb3c5ab65a
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+++ b/chromeos/components/tether/device_id_tether_network_guid_map.h
@@ -0,0 +1,42 @@
+// Copyright 2016 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_DEVICE_ID_TETHER_NETWORK_GUID_MAP_H_
+#define CHROMEOS_COMPONENTS_TETHER_DEVICE_ID_TETHER_NETWORK_GUID_MAP_H_
+
+#include <string>
+
+#include "base/macros.h"
+
+namespace chromeos {
+
+namespace tether {
+
+// Keeps a mapping between device ID and the tether network GUID associated with
+// tethering to that device.
+// TODO(hansberry): Currently, this class is stubbed out by simply returning the
+//                  same value for both device ID and tether network GUID.
+//                  Figure out a real mapping system.
+class DeviceIdTetherNetworkGuidMap {
+ public:
+  DeviceIdTetherNetworkGuidMap();
+  virtual ~DeviceIdTetherNetworkGuidMap();
+
+  // Returns the device ID for a given tether network GUID.
+  virtual std::string GetDeviceIdForTetherNetworkGuid(
+      const std::string& tether_network_guid);
+
+  // Returns the tether network GUID for a given device ID.
+  virtual std::string GetTetherNetworkGuidForDeviceId(
+      const std::string& device_id);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DeviceIdTetherNetworkGuidMap);
+};
+
+}  // namespace tether
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_COMPONENTS_TETHER_DEVICE_ID_TETHER_NETWORK_GUID_MAP_H_