Make browsing_data component a layered component

chrome/browser/browsing_data/downloads_counter_browsertest.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/downloads_counter.h"
 
 #include <set>
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
-#include "components/browsing_data/browsing_data_utils.h"
-#include "components/browsing_data/pref_names.h"
+#include "components/browsing_data/core/browsing_data_utils.h"
+#include "components/browsing_data/core/pref_names.h"
 #include "components/history/core/browser/download_row.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/download_manager.h"
 
 #if defined(ENABLE_EXTENSIONS)
 #include "extensions/common/extension.h"
 #endif
 
 namespace {
 
@@ skipping 357 matching lines @@
   EXPECT_EQ(7u, GetResult());
 
   SetDeletionPeriodPref(browsing_data::FOUR_WEEKS);
   EXPECT_EQ(8u, GetResult());
 
   SetDeletionPeriodPref(browsing_data::EVERYTHING);
   EXPECT_EQ(11u, GetResult());
 }
 
 }  // namespace