Split testing_pref_service.h/.cc into two parts, generic vs. Chrome-specific.

chrome/browser/chromeos/login/login_utils_browsertest.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/login/login_utils.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 17 matching lines @@
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/policy/enterprise_install_attributes.h"
 #include "chrome/browser/policy/policy_service.h"
 #include "chrome/browser/policy/proto/device_management_backend.pb.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/rlz/rlz.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/test/base/scoped_testing_local_state.h"
 #include "chrome/test/base/testing_browser_process.h"
-#include "chrome/test/base/testing_pref_service.h"
 #include "chromeos/cryptohome/mock_async_method_caller.h"
 #include "chromeos/dbus/mock_cryptohome_client.h"
 #include "chromeos/dbus/mock_dbus_thread_manager.h"
 #include "chromeos/dbus/mock_session_manager_client.h"
 #include "chromeos/disks/disk_mount_manager.h"
 #include "chromeos/disks/mock_disk_mount_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_utils.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
@@ skipping 614 matching lines @@
 }
 
 INSTANTIATE_TEST_CASE_P(
     LoginUtilsBlockingLoginTestInstance,
     LoginUtilsBlockingLoginTest,
     testing::Values(0, 1, 2, 3, 4, 5));
 
 }  // namespace
 
 }