Fix sync for reading list

components/browser_sync/BUILD.gn

 # Copyright 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.
 
 import("//build/config/features.gni")
 
 static_library("browser_sync") {
   sources = [
     "browser_sync_switches.cc",
     "browser_sync_switches.h",
@@ skipping 16 matching lines @@
     "//components/dom_distiller/core",
     "//components/history/core/browser",
     "//components/invalidation/impl",
     "//components/invalidation/public",
     "//components/keyed_service/core",
     "//components/password_manager/core/browser",
     "//components/password_manager/sync/browser",
     "//components/pref_registry",
     "//components/prefs",
     "//components/reading_list/core",
+    "//components/reading_list/core:reading_list_enable_flags",
     "//components/signin/core/browser",
     "//components/strings",
     "//components/sync_bookmarks",
     "//components/sync_preferences",
     "//components/sync_sessions",
     "//components/variations",
     "//components/version_info",
     "//components/version_info:generate_version_info",
     "//google_apis",
     "//net",
@@ skipping 80 matching lines @@
     "//components/sync",
     "//components/sync:test_support_driver",
     "//components/sync:test_support_engine",
     "//components/sync_preferences:test_support",
     "//components/sync_sessions:test_support",
     "//google_apis",
     "//net:test_support",
     "//testing/gmock",
   ]
 }