Make browsing_data component a layered component

chrome/browser/browsing_data/history_counter.cc

 // 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.
 
 #include "chrome/browser/browsing_data/history_counter.h"
 
 #include <limits.h>
 #include <stdint.h>
 
 #include "base/memory/ptr_util.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/history/web_history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
-#include "components/browsing_data/pref_names.h"
+#include "components/browsing_data/core/pref_names.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/history/core/browser/web_history_service.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace {
 static const int64_t kWebHistoryTimeoutSeconds = 10;
 }
 
 HistoryCounter::HistoryCounter(Profile* profile)
     : BrowsingDataCounter(browsing_data::prefs::kDeleteBrowsingHistory),
@@ skipping 155 matching lines @@
   bool history_sync_enabled_new_state =
       !!WebHistoryServiceFactory::GetForProfile(profile_);
 
   // If the history sync was just enabled or disabled, restart the counter
   // so that we update the result accordingly.
   if (history_sync_enabled_ != history_sync_enabled_new_state) {
     history_sync_enabled_ = history_sync_enabled_new_state;
     Restart();
   }
 }