Clear old ARC instance before opt-in.

chrome/browser/chromeos/login/session/user_session_manager.cc

 // Copyright 2014 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/login/session/user_session_manager.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
@@ skipping 1148 matching lines @@
 
     if (arc::ArcBridgeService::GetEnabled(
             base::CommandLine::ForCurrentProcess())) {
       const AccountId& account_id =
           multi_user_util::GetAccountIdFromProfile(profile);
       std::unique_ptr<BooleanPrefMember> arc_enabled_pref =
           base::MakeUnique<BooleanPrefMember>();
       arc_enabled_pref->Init(prefs::kArcEnabled, profile->GetPrefs());
       DCHECK(arc::ArcServiceManager::Get());
       arc::ArcServiceManager::Get()->OnPrimaryUserProfilePrepared(
-          account_id, std::move(arc_enabled_pref));
+          account_id, std::move(arc_enabled_pref), profile->GetPrefs());
       arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
       DCHECK(arc_auth_service);
       arc_auth_service->OnPrimaryUserProfilePrepared(profile);
     }
   }
 
   UpdateEasyUnlockKeys(user_context_);
   user_context_.ClearSecrets();
   if (TokenHandlesEnabled()) {
     CreateTokenUtilIfMissing();
@@ skipping 713 matching lines @@
           ->browser_policy_connector_chromeos()
           ->IsEnterpriseManaged()) {
     return false;
   }
 
   // Do not show end of life notification if this is a guest session
   return !profile->IsGuestSession();
 }
 
 }  // namespace chromeos