Implement presubmit support for _unittest_win includes, etc.

PRESUBMIT_test.py

 #!/usr/bin/env python
 # 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.
 
 import os
 import re
 import unittest
 
 import PRESUBMIT
@@ skipping 162 matching lines @@
 
   def testSpecialFirstInclude5(self):
     mock_input_api = MockInputApi()
     contents = ['#include "some/other/path/foo.h"',
                 '#include "a/header.h"']
     mock_file = MockFile('some/path/foo-suffix.h', contents)
     warnings = PRESUBMIT._CheckIncludeOrderInFile(
         mock_input_api, mock_file, range(1, len(contents) + 1))
     self.assertEqual(0, len(warnings))
 
+  def testSpecialFirstInclude6(self):
+    mock_input_api = MockInputApi()
+    contents = ['#include "some/other/path/foo_win.h"',
+                '#include <set>',
+                '#include "a/header.h"']
+    mock_file = MockFile('some/path/foo_unittest_win.h', contents)
+    warnings = PRESUBMIT._CheckIncludeOrderInFile(
+        mock_input_api, mock_file, range(1, len(contents) + 1))
+    self.assertEqual(0, len(warnings))
+
   def testOrderAlreadyWrong(self):
     scope = [(1, '#include "b.h"'),
              (2, '#include "a.h"'),
              (3, '#include "c.h"')]
     mock_input_api = MockInputApi()
     warnings = PRESUBMIT._CheckIncludeOrderForScope(scope, mock_input_api,
                                                     '', [3])
     self.assertEqual(0, len(warnings))
 
   def testConflictAdded1(self):
@@ skipping 222 matching lines @@
       'policy/DEPS',
       'sandbox/DEPS',
       'tools/memory_watcher/DEPS',
       'third_party/lss/DEPS',
     ])
     self.assertEqual(expected, files_to_check);
 
 
 if __name__ == '__main__':
   unittest.main()