Move PrefMember and PrefChangeRegistrar to api directory.

chrome/browser/chromeos/input_method/browser_state_monitor_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 "chrome/browser/chromeos/input_method/browser_state_monitor.h"
 
+#include "chrome/browser/api/prefs/pref_member.h"
 #include "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
-#include "chrome/browser/prefs/pref_member.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 namespace input_method {
 namespace {
@@ skipping 364 matching lines @@
   monitor.InputMethodChanged(&mock_manager, false);
   EXPECT_EQ(0, monitor.update_local_state_count());
   EXPECT_EQ(5, monitor.update_user_pref_count());
   EXPECT_EQ(input_method_id_3, monitor.last_user_pref());
   EXPECT_EQ(input_method_id_2, previous.GetValue());
   EXPECT_EQ(input_method_id_3, current.GetValue());
 }
 
 }  // namespace input_method
 }  // namespace chromeos