Cleanup/Remove Windows XP/Vista version checks from Windows sandbox code

sandbox/win/src/registry_dispatcher.cc

 // Copyright (c) 2011 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 "sandbox/win/src/registry_dispatcher.h"
 
 #include <stdint.h>
 
 #include "base/win/scoped_handle.h"
 #include "base/win/windows_version.h"
@@ skipping 50 matching lines @@
   ipc_calls_.push_back(open_params);
 }
 
 bool RegistryDispatcher::SetupService(InterceptionManager* manager,
                                       int service) {
   if (IPC_NTCREATEKEY_TAG == service)
     return INTERCEPT_NT(manager, NtCreateKey, CREATE_KEY_ID, 32);
 
   if (IPC_NTOPENKEY_TAG == service) {
     bool result = INTERCEPT_NT(manager, NtOpenKey, OPEN_KEY_ID, 16);
-    if (base::win::GetVersion() >= base::win::VERSION_WIN7 ||
-        (base::win::GetVersion() == base::win::VERSION_VISTA &&
-         base::win::OSInfo::GetInstance()->version_type() ==
-             base::win::SUITE_SERVER))
-      result &= INTERCEPT_NT(manager, NtOpenKeyEx, OPEN_KEY_EX_ID, 20);
+    result &= INTERCEPT_NT(manager, NtOpenKeyEx, OPEN_KEY_EX_ID, 20);
     return result;
   }
 
   return false;
 }
 
 bool RegistryDispatcher::NtCreateKey(IPCInfo* ipc,
                                      base::string16* name,
                                      uint32_t attributes,
                                      HANDLE root,
@@ skipping 80 matching lines @@
     return true;
   }
 
   // Return operation status on the IPC.
   ipc->return_info.nt_status = nt_status;
   ipc->return_info.handle = handle;
   return true;
 }
 
 }  // namespace sandbox