Move tracked prefs into services/preferences/tracked.

services/preferences/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 "services/preferences/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))
@@ skipping 10 matching lines @@
   // 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);
 }