Move counters for passwords, history and autofill to components

chrome/browser/browsing_data/history_counter.h

-// Copyright (c) 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.
-
-#ifndef CHROME_BROWSER_BROWSING_DATA_HISTORY_COUNTER_H_
-#define CHROME_BROWSER_BROWSING_DATA_HISTORY_COUNTER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "base/task/cancelable_task_tracker.h"
-#include "base/timer/timer.h"
-#include "components/browsing_data/core/counters/browsing_data_counter.h"
-#include "components/history/core/browser/history_service.h"
-#include "components/history/core/browser/web_history_service.h"
-#include "components/sync_driver/sync_service_observer.h"
-
-class Profile;
-
-class ProfileSyncService;
-
-class HistoryCounter : public browsing_data::BrowsingDataCounter,
-                       public sync_driver::SyncServiceObserver {
- public:
-  class HistoryResult : public FinishedResult {
-   public:
-    HistoryResult(const HistoryCounter* source,
-                  ResultInt value,
-                  bool has_synced_visits);
-    ~HistoryResult() override;
-
-    bool has_synced_visits() const { return has_synced_visits_; }
-
-   private:
-    bool has_synced_visits_;
-  };
-
-  explicit HistoryCounter(Profile* profile);
-  ~HistoryCounter() override;
-
-  void OnInitialized() override;
-
-  // Whether there are counting tasks in progress. Only used for testing.
-  bool HasTrackedTasks();
-
-  // Make the history counter use a custom WebHistoryService instance. Only
-  // used for testing.
-  void SetWebHistoryServiceForTesting(history::WebHistoryService* service);
-
- private:
-  Profile* profile_;
-
-  BrowsingDataCounter::ResultInt local_result_;
-  bool has_synced_visits_;
-
-  bool local_counting_finished_;
-  bool web_counting_finished_;
-
-  history::WebHistoryService* testing_web_history_service_;
-
-  base::CancelableTaskTracker cancelable_task_tracker_;
-  std::unique_ptr<history::WebHistoryService::Request> web_history_request_;
-  base::OneShotTimer web_history_timeout_;
-
-  base::ThreadChecker thread_checker_;
-
-  ProfileSyncService* sync_service_;
-  bool history_sync_enabled_;
-
-  base::WeakPtrFactory<HistoryCounter> weak_ptr_factory_;
-
-  void Count() override;
-
-  void OnGetLocalHistoryCount(history::HistoryCountResult result);
-  void OnGetWebHistoryCount(history::WebHistoryService::Request* request,
-                            const base::DictionaryValue* result);
-  void OnWebHistoryTimeout();
-  void MergeResults();
-
-  // SyncServiceObserver implementation.
-  void OnStateChanged() override;
-};
-
-#endif  // CHROME_BROWSER_BROWSING_DATA_HISTORY_COUNTER_H_