arc: add enterprise_reporting.mojom interface.

components/arc/user_data/arc_user_data_service.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 COMPONENTS_ARC_USER_DATA_ARC_USER_DATA_SERVICE_H_
-#define COMPONENTS_ARC_USER_DATA_ARC_USER_DATA_SERVICE_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "components/arc/arc_bridge_service.h"
-#include "components/arc/arc_service.h"
-#include "components/prefs/pref_change_registrar.h"
-#include "components/prefs/pref_member.h"
-#include "components/signin/core/account_id/account_id.h"
-
-namespace arc {
-
-class ArcBridgeService;
-
-// This class controls the lifecycle of ARC user data, removing it when
-// necessary.
-class ArcUserDataService : public ArcService,
-                           public ArcBridgeService::Observer {
- public:
-  explicit ArcUserDataService(
-      ArcBridgeService* arc_bridge_service,
-      std::unique_ptr<BooleanPrefMember> arc_enabled_pref,
-      const AccountId& account_id);
-  ~ArcUserDataService() override;
-
-  // ArcBridgeService::Observer:
-  // Called whenever the arc bridge is stopped to potentially remove data if
-  // the user has not opted in.
-  void OnBridgeStopped(ArcBridgeService::StopReason reason) override;
-
- private:
-  base::ThreadChecker thread_checker_;
-
-  // Checks if ARC is both stopped and disabled (not opt-in) and triggers
-  // removal of user data if both conditions are true.
-  void ClearIfDisabled();
-
-  // Callback when the kArcEnabled preference changes.  It watches for instances
-  // where the preference is disabled and remembers this so that it can wipe
-  // user data once the bridge has stopped.
-  void OnOptInPreferenceChanged();
-
-  const std::unique_ptr<BooleanPrefMember> arc_enabled_pref_;
-
-  // Account ID for the account for which we currently have opt-in information.
-  AccountId primary_user_account_id_;
-
-  // Registrar used to monitor ARC enabled state.
-  PrefChangeRegistrar pref_change_registrar_;
-
-  // Set to true when kArcEnabled goes from true to false and set to false
-  // again after user data has been wiped.  This ensures data is wiped even if
-  // the user tries to enable ARC before the bridge has shut down.
-  bool arc_disabled_ = false;
-
-  base::WeakPtrFactory<ArcUserDataService> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ArcUserDataService);
-};
-
-}  // namespace arc
-
-#endif  // COMPONENTS_ARC_USER_DATA_ARC_USER_DATA_SERVICE_H_