[Sync] Move //sync to //components/sync.

sync/engine/all_status.h

-// Copyright (c) 2012 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.
-//
-// The AllStatus object watches various sync engine components and aggregates
-// the status of all of them into one place.
-
-#ifndef SYNC_ENGINE_ALL_STATUS_H_
-#define SYNC_ENGINE_ALL_STATUS_H_
-
-#include <map>
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/synchronization/lock.h"
-#include "sync/engine/nudge_source.h"
-#include "sync/engine/sync_engine_event_listener.h"
-#include "sync/engine/syncer_types.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "sync/internal_api/public/engine/sync_status.h"
-
-namespace syncer {
-
-class ScopedStatusLock;
-struct ServerConnectionEvent;
-struct SyncCycleEvent;
-
-// This class collects data and uses it to update its internal state.  It can
-// return a snapshot of this state as a SyncerStatus object.
-//
-// Most of this data ends up on the about:sync page.  But the page is only
-// 'pinged' to update itself at the end of a sync cycle.  A user could refresh
-// manually, but unless their timing is excellent it's unlikely that a user will
-// see any state in mid-sync cycle.  We have no plans to change this.  However,
-// we will continue to collect data and update state mid-sync-cycle in case we
-// need to debug slow or stuck sync cycles.
-class AllStatus : public SyncEngineEventListener {
- public:
-  AllStatus();
-  ~AllStatus() override;
-
-  // SyncEngineEventListener implementation.
-  void OnSyncCycleEvent(const SyncCycleEvent& event) override;
-  void OnActionableError(const SyncProtocolError& error) override;
-  void OnRetryTimeChanged(base::Time retry_time) override;
-  void OnThrottledTypesChanged(ModelTypeSet throttled_types) override;
-  void OnMigrationRequested(ModelTypeSet types) override;
-  void OnProtocolEvent(const ProtocolEvent& event) override;
-
-  SyncStatus status() const;
-
-  void SetNotificationsEnabled(bool notifications_enabled);
-
-  void IncrementNotifiableCommits();
-
-  void IncrementNotificationsReceived();
-
-  void SetEncryptedTypes(ModelTypeSet types);
-  void SetCryptographerReady(bool ready);
-  void SetCryptoHasPendingKeys(bool has_pending_keys);
-  void SetPassphraseType(PassphraseType type);
-  void SetHasKeystoreKey(bool has_keystore_key);
-  void SetKeystoreMigrationTime(const base::Time& migration_time);
-
-  void SetSyncId(const std::string& sync_id);
-  void SetInvalidatorClientId(const std::string& invalidator_client_id);
-
-  void IncrementNudgeCounter(NudgeSource source);
-
- protected:
-  // Examines syncer to calculate syncing and the unsynced count,
-  // and returns a Status with new values.
-  SyncStatus CalcSyncing(const SyncCycleEvent& event) const;
-  SyncStatus CreateBlankStatus() const;
-
-  SyncStatus status_;
-
-  mutable base::Lock mutex_;  // Protects all data members.
-
- private:
-  friend class ScopedStatusLock;
-
-  DISALLOW_COPY_AND_ASSIGN(AllStatus);
-};
-
-class ScopedStatusLock {
- public:
-  explicit ScopedStatusLock(AllStatus* allstatus);
-  ~ScopedStatusLock();
- protected:
-  AllStatus* allstatus_;
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_ENGINE_ALL_STATUS_H_