Update chrome for new prefs location.

chrome/browser/ui/webui/chromeos/slow_ui.cc

 // Copyright 2013 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/ui/webui/chromeos/slow_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/macros.h"
-#include "base/prefs/pref_change_registrar.h"
-#include "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
+#include "components/prefs/pref_change_registrar.h"
+#include "components/prefs/pref_service.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "grit/browser_resources.h"
 #include "ui/base/webui/jstemplate_builder.h"
 #include "ui/base/webui/web_ui_util.h"
 
 using content::WebUIMessageHandler;
 
@@ skipping 100 matching lines @@
 
   SlowHandler* handler = new SlowHandler(profile);
   web_ui->AddMessageHandler(handler);
 
   // Set up the chrome://slow/ source.
   content::WebUIDataSource::Add(profile, CreateSlowUIHTMLSource());
 }
 
 }  // namespace chromeos