Move tracked prefs into services/preferences/tracked.

components/user_prefs/tracked/device_id_unittest.cc

-// Copyright 2015 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 "components/user_prefs/tracked/device_id.h"
-
-#include "build/build_config.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-TEST(GetDeterministicMachineSpecificIdTest, IsDeterministic) {
-  std::string first_machine_id;
-  std::string second_machine_id;
-
-  const MachineIdStatus kExpectedStatus =
-#if defined(OS_WIN) || (defined(OS_MACOSX) && !defined(OS_IOS))
-      MachineIdStatus::SUCCESS;
-#else
-      MachineIdStatus::NOT_IMPLEMENTED;
-#endif
-
-  ASSERT_EQ(kExpectedStatus,
-            GetDeterministicMachineSpecificId(&first_machine_id));
-  ASSERT_EQ(kExpectedStatus,
-            GetDeterministicMachineSpecificId(&second_machine_id));
-
-  // The reason for using |EXPECT_TRUE| with one argument instead of |EXPECT_EQ|
-  // with two arguments is a compiler bug in gcc that results in a "converting
-  // 'false' to pointer type" error when the first argument to |EXPECT_EQ| is a
-  // compile-time const false value. See also the following bug reports:
-  // https://code.google.com/p/googletest/issues/detail?id=322
-  // https://code.google.com/p/googletest/issues/detail?id=458
-  EXPECT_TRUE((kExpectedStatus == MachineIdStatus::SUCCESS) ==
-              !first_machine_id.empty());
-  EXPECT_EQ(first_machine_id, second_machine_id);
-}