Update components for new prefs location.

components/web_resource/promo_resource_service_mobile_ntp_unittest.cc

 // Copyright (c) 2012 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 <stddef.h>
 
 #include <vector>
 
 #include "base/json/json_reader.h"
 #include "base/message_loop/message_loop.h"
-#include "base/prefs/testing_pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "base/values.h"
+#include "components/prefs/testing_pref_service.h"
 #include "components/version_info/version_info.h"
 #include "components/web_resource/notification_promo.h"
 #include "components/web_resource/notification_promo_mobile_ntp.h"
 #include "components/web_resource/promo_resource_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 version_info::Channel kChannel = version_info::Channel::UNKNOWN;
 }
 
@@ skipping 152 matching lines @@
 
   promo_test.InitPromoFromJson(true);
 
   // Second time should not trigger a notification.
   promo_test.InitPromoFromJson(false);
 
   promo_test.TestInitFromPrefs();
 }
 
 }  // namespace web_resource