Use RegistryOverrideManager properly in RLZ tests.

rlz/win/lib/machine_deal.h

 // 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.
 //
 // Library functions related to the OEM Deal Confirmation Code.
 
 #ifndef RLZ_WIN_LIB_MACHINE_DEAL_H_
 #define RLZ_WIN_LIB_MACHINE_DEAL_H_
 
 #include <string>
-#include "rlz/win/lib/rlz_lib.h"
+#include "rlz/lib/rlz_lib.h"
 
 namespace rlz_lib {
 
 class MachineDealCode {
  public:
   // Set the OEM Deal Confirmation Code (DCC). This information is used for RLZ
   // initalization. Must have write access to HKLM - SYSTEM or admin, unless
   // rlz_lib::CreateMachineState() has been successfully called.
   static bool Set(const char* dcc);
 
@@ skipping 30 matching lines @@
   // been successfully called.
   static bool Clear();
 
   MachineDealCode() {}
   ~MachineDealCode() {}
 };
 
 }  // namespace rlz_lib
 
 #endif  // RLZ_WIN_LIB_MACHINE_DEAL_H_