Migrate Cryptauth*Managers RegisterPrefs to CryptAuthService::RegisterProfilePrefs.

chromeos/components/tether/initializer.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_INITIALIZER_H_
 #define CHROMEOS_COMPONENTS_TETHER_INITIALIZER_H_
 
 #include "base/macros.h"
+#include "components/prefs/pref_registry_simple.h"
 
 namespace cryptauth {
 class CryptAuthService;
 }
 
 namespace chromeos {
 
 namespace tether {
 
 // Initializes the Tether Chrome OS component.
 // TODO(khorimoto): Implement.
 class Initializer {
  public:
   static void Initialize(cryptauth::CryptAuthService* cryptauth_service);
 
+  static void RegisterProfilePrefs(PrefRegistrySimple* registry);
+
  private:
   static Initializer* instance_;
 
   explicit Initializer(cryptauth::CryptAuthService* cryptauth_service);
   ~Initializer();
 
   cryptauth::CryptAuthService* cryptauth_service_;
 
   DISALLOW_COPY_AND_ASSIGN(Initializer);
 };
 
 }  // namespace tether
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_COMPONENTS_TETHER_INITIALIZER_H_