Update chrome for new prefs location.

chrome/browser/search/hotword_service_unittest.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/search/hotword_service.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
-#include "base/prefs/pref_service.h"
 #include "base/test/test_simple_task_runner.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service_test_base.h"
 #include "chrome/browser/extensions/test_extension_service.h"
 #include "chrome/browser/search/hotword_audio_history_handler.h"
 #include "chrome/browser/search/hotword_service_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/history/core/browser/web_history_service.h"
+#include "components/prefs/pref_service.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_builder.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/one_shot_event.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_CHROMEOS)
 #include "chromeos/audio/cras_audio_handler.h"
@@ skipping 489 matching lines @@
   EXPECT_EQ(1, audio_history_handler->GetAudioHistoryCalls());
   // We expect the next check for audio history to be in the queue.
   EXPECT_EQ(base::TimeDelta::FromDays(1),
             test_task_runner->NextPendingTaskDelay());
   EXPECT_TRUE(test_task_runner->HasPendingTask());
   test_task_runner->RunPendingTasks();
   EXPECT_EQ(2, audio_history_handler->GetAudioHistoryCalls());
   EXPECT_TRUE(test_task_runner->HasPendingTask());
   test_task_runner->ClearPendingTasks();
 }