Moved BrowsingDataCounter and part of BrowsingDataCounterUtils 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 "chrome/browser/browsing_data/browsing_data_counter.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/browsing_data/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 ProfileSyncService;
 
 class HistoryCounter: public 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_;
   };
 
-  HistoryCounter();
+  explicit HistoryCounter(Profile* profile);
   ~HistoryCounter() override;
 
   void OnInitialized() override;
-  const std::string& GetPrefName() const 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:
-  const std::string pref_name_;
+  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_;
@@ skipping 13 matching lines @@
   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_