[CrOS Tether] Fill out the Initializer class. Tether will now initialize fully once the flag is ena…

chromeos/components/tether/active_host_network_state_updater.h

 // 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_ACTIVE_HOST_NETWORK_STATE_UPDATER_H_
 #define CHROMEOS_COMPONENTS_TETHER_ACTIVE_HOST_NETWORK_STATE_UPDATER_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chromeos/components/tether/active_host.h"
 
 namespace chromeos {
 
 class NetworkStateHandler;
 
 namespace tether {
 
 // Observes changes to the status of the active host, and relays these updates
 // to the networking stack.
 class ActiveHostNetworkStateUpdater : public ActiveHost::Observer {
  public:
-  ActiveHostNetworkStateUpdater(ActiveHost* active_host);
+  ActiveHostNetworkStateUpdater(ActiveHost* active_host,
+                                NetworkStateHandler* network_state_handler);
   ~ActiveHostNetworkStateUpdater();
 
   // ActiveHost::Observer:
   void OnActiveHostChanged(
       const ActiveHost::ActiveHostChangeInfo& change_info) override;
 
  private:
-  friend class ActiveHostNetworkStateUpdaterTest;
-
-  ActiveHostNetworkStateUpdater(ActiveHost* active_host,
-                                NetworkStateHandler* network_state_handler);
-
   ActiveHost* active_host_;
   NetworkStateHandler* network_state_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(ActiveHostNetworkStateUpdater);
 };
 
 }  // namespace tether
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_COMPONENTS_TETHER_ACTIVE_HOST_NETWORK_STATE_UPDATER_H_