Update chrome for new prefs location.

chrome/browser/ui/app_list/app_list_service_impl_browsertest.cc

 // Copyright 2014 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/app_list/app_list_service_impl.h"
 
 #include "base/macros.h"
-#include "base/prefs/pref_service.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/app_list_view_delegate.h"
 #include "chrome/browser/ui/app_list/test/chrome_app_list_test_support.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "components/prefs/pref_service.h"
 #include "extensions/common/constants.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/base/models/menu_model.h"
 
 namespace test {
 
 // Test API to access private members of AppListServiceImpl.
 class AppListServiceImplTestApi {
  public:
@@ skipping 149 matching lines @@
   EXPECT_LT(0, num_items);
 
   for (int i = 0; i < num_items; i++) {
     if (menu_model->GetTypeAt(i) == ui::MenuModel::TYPE_SEPARATOR)
       continue;
 
     base::string16 label = menu_model->GetLabelAt(i);
     EXPECT_FALSE(label.empty());
   }
 }