Make browsing_data component a layered component

chrome/browser/browsing_data/hosted_apps_counter.cc

 // 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.
 
 #include "chrome/browser/browsing_data/hosted_apps_counter.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/profiles/profile.h"
-#include "components/browsing_data/pref_names.h"
+#include "components/browsing_data/core/pref_names.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension.h"
 
 HostedAppsCounter::HostedAppsCounter(Profile* profile)
     : BrowsingDataCounter(browsing_data::prefs::kDeleteHostedAppsData),
       profile_(profile) {}
 
 HostedAppsCounter::~HostedAppsCounter() {}
 
 void HostedAppsCounter::Count() {
@@ skipping 20 matching lines @@
 
 // HostedAppsCounter::HostedAppsResult -----------------------------------------
 
 HostedAppsCounter::HostedAppsResult::HostedAppsResult(
     const HostedAppsCounter* source,
     ResultInt num_apps,
     const std::vector<std::string>& examples)
     : FinishedResult(source, num_apps), examples_(examples) {}
 
 HostedAppsCounter::HostedAppsResult::~HostedAppsResult() {}