Revert of Delete base/prefs and update callers to use components.

chrome/browser/chromeos/arc/arc_auth_service.cc

 // Copyright 2015 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 "chrome/browser/chromeos/arc/arc_auth_service.h"
 
 #include <utility>
 
+#include "base/prefs/pref_service.h"
 #include "chrome/browser/chromeos/arc/arc_auth_ui.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/pref_registry/pref_registry_syncable.h"
-#include "components/prefs/pref_service.h"
 
 namespace arc {
 
 namespace {
 
 // Weak pointer.  This class is owned by ArcServiceManager.
 ArcAuthService* arc_auth_service = nullptr;
 
 // Skip creating UI in unit tests
 bool disable_ui_for_testing = false;
@@ skipping 187 matching lines @@
       return os << kStateNoCode;
     case ArcAuthService::State::ENABLE:
       return os << kStateEnable;
     default:
       NOTREACHED();
       return os;
   }
 }
 
 }  // namespace arc