Tether: record each type of host connection result.

chromeos/components/tether/network_connection_handler_tether_delegate_unittest.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/network_connection_handler_tether_delegate.h"
 
 #include <memory>
 
 #include "chromeos/components/tether/tether_connector.h"
 #include "chromeos/components/tether/tether_disconnector.h"
@@ skipping 57 matching lines @@
  public:
   MockTetherConnector()
       : TetherConnector(nullptr /* network_state_handler */,
                         nullptr /* wifi_hotspot_connector */,
                         nullptr /* active_host */,
                         nullptr /* tether_host_fetcher */,
                         nullptr /* connection_manager */,
                         nullptr /* tether_host_response_recorder */,
                         nullptr /* device_id_tether_network_guid_map */,
                         nullptr /* host_scan_cache */,
-                        nullptr /* notification_presenter */) {}
+                        nullptr /* notification_presenter */,
+                        nullptr /* host_connection_metrics_logger */) {}
   ~MockTetherConnector() override {}
 
   MOCK_METHOD3(
       ConnectToNetwork,
       void(const std::string& tether_network_guid,
            const base::Closure& success_callback,
            const network_handler::StringResultCallback& error_callback));
 };
 
 class MockTetherDisconnector : public TetherDisconnector {
@@ skipping 48 matching lines @@
 TEST_F(NetworkConnectionHandlerTetherDelegateTest, TestDisconnect) {
   EXPECT_CALL(*mock_tether_disconnector_, DisconnectFromNetwork(_, _, _));
 
   test_network_connection_handler_->CallTetherDisconnect(
       "tetherNetworkGuid", base::Closure(), network_handler::ErrorCallback());
 }
 
 }  // namespace tether
 
 }  // namespace chromeos