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

chromeos/components/tether/device_id_tether_network_guid_map.cc

+// 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.
+
+#include "chromeos/components/tether/device_id_tether_network_guid_map.h"
+
+namespace chromeos {
+
+namespace tether {
+
+DeviceIdTetherNetworkGuidMap::DeviceIdTetherNetworkGuidMap() {}
+
+DeviceIdTetherNetworkGuidMap::~DeviceIdTetherNetworkGuidMap() {}
+
+std::string DeviceIdTetherNetworkGuidMap::GetDeviceIdForTetherNetworkGuid(
+    const std::string& tether_network_guid) {
+  // TODO(hansberry): Use real implementation.
+  return tether_network_guid;
+}
+
+std::string DeviceIdTetherNetworkGuidMap::GetTetherNetworkGuidForDeviceId(
+    const std::string& device_id) {
+  // TODO(hansberry): Use real implementation.
+  return device_id;
+}
+
+}  // namespace tether
+
+}  // namespace chromeos