Move tracked prefs into services/preferences/tracked.

services/preferences/tracked/device_id_mac.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 <IOKit/IOKitLib.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_ioobject.h"
 #include "base/strings/sys_string_conversions.h"
 
 MachineIdStatus GetDeterministicMachineSpecificId(std::string* machine_id) {
   base::mac::ScopedIOObject<io_service_t> platform_expert(
       IOServiceGetMatchingService(kIOMasterPortDefault,
                                   IOServiceMatching("IOPlatformExpertDevice")));
   if (!platform_expert.get())
     return MachineIdStatus::FAILURE;
 
   base::ScopedCFTypeRef<CFTypeRef> uuid(IORegistryEntryCreateCFProperty(
       platform_expert, CFSTR(kIOPlatformUUIDKey), kCFAllocatorDefault, 0));
   if (!uuid.get())
     return MachineIdStatus::FAILURE;
 
   CFStringRef uuid_string = base::mac::CFCast<CFStringRef>(uuid);
   if (!uuid_string)
     return MachineIdStatus::FAILURE;
 
   *machine_id = base::SysCFStringRefToUTF8(uuid_string);
   return MachineIdStatus::SUCCESS;
 }