arc: Make request to remove Android's data folder persistent.

chrome/browser/chromeos/arc/arc_session_manager.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 CHROME_BROWSER_CHROMEOS_ARC_ARC_SESSION_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_ARC_SESSION_MANAGER_H_
 
 #include <memory>
 #include <ostream>
 #include <string>
@@ skipping 223 matching lines @@
 
   // Unowned pointer. Keeps current profile.
   Profile* profile_ = nullptr;
 
   // Registrar used to monitor ARC enabled state.
   PrefChangeRegistrar pref_change_registrar_;
 
   State state_ = State::NOT_INITIALIZED;
   base::ObserverList<Observer> observer_list_;
   std::unique_ptr<ArcAppLauncher> playstore_launcher_;
-  bool clear_required_ = false;
   bool reenable_arc_ = false;
   base::OneShotTimer arc_sign_in_timer_;
 
   // Temporarily keeps the ArcSupportHost instance.
   // This should be moved to ArcSessionManager when the refactoring is
   // done.
   std::unique_ptr<ArcSupportHost> support_host_;
   // Handles preferences and metrics mode.
   std::unique_ptr<ArcOptInPreferenceHandler> preference_handler_;
 
   std::unique_ptr<ArcAuthContext> context_;
   std::unique_ptr<ArcAndroidManagementChecker> android_management_checker_;
 
   base::Time sign_in_time_;
 
   base::WeakPtrFactory<ArcSessionManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcSessionManager);
 };
 
 // Outputs the stringified |state| to |os|. This is only for logging purposes.
 std::ostream& operator<<(std::ostream& os,
                          const ArcSessionManager::State& state);
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_SESSION_MANAGER_H_