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

sandbox/win/src/handle_inheritance_test.cc

 // 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.
 
 #include <stdio.h>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/win/scoped_handle.h"
 #include "base/win/windows_version.h"
@@ skipping 24 matching lines @@
   ASSERT_TRUE(tmp_handle.IsValid());
 
   TestRunner runner;
   ASSERT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetStdoutHandle(tmp_handle.Get()));
   int result = runner.RunTest(L"HandleInheritanceTests_PrintToStdout");
   ASSERT_EQ(SBOX_TEST_SUCCEEDED, result);
 
   std::string data;
   ASSERT_TRUE(base::ReadFileToString(base::FilePath(temp_file_name), &data));
   // Redirection uses a feature that was added in Windows Vista.
-  if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
-    ASSERT_EQ("Example output to stdout\r\n", data);
-  } else {
-    ASSERT_EQ("", data);
-  }
+  ASSERT_EQ("Example output to stdout\r\n", data);
 }
 
 }  // namespace sandbox