Update chrome for new prefs location.

chrome/browser/ui/webui/settings/settings_startup_pages_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_STARTUP_PAGES_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_STARTUP_PAGES_HANDLER_H_
 
 #include "base/macros.h"
-#include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/custom_home_pages_table_model.h"
 #include "chrome/browser/ui/webui/settings/md_settings_ui.h"
+#include "components/prefs/pref_change_registrar.h"
 #include "ui/base/models/table_model_observer.h"
 
 namespace base {
 class ListValue;
 }
 
 namespace content {
 class WebUI;
 }
 
@@ skipping 42 matching lines @@
 
   // The set of pages to launch on startup.
   CustomHomePagesTableModel startup_custom_pages_table_model_;
 
   DISALLOW_COPY_AND_ASSIGN(StartupPagesHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_STARTUP_PAGES_HANDLER_H_