Very preliminary work for ninja on Windows

gyptest.py

 #!/usr/bin/env python
 
-# Copyright (c) 2011 Google Inc. All rights reserved.
+# Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 __doc__ = """
 gyptest.py -- test runner for GYP tests.
 """
 
 import os
 import optparse
 import subprocess
@@ skipping 188 matching lines @@
   no_result = []
 
   if opts.format:
     format_list = opts.format.split(',')
   else:
     # TODO:  not duplicate this mapping from pylib/gyp/__init__.py
     format_list = {
       'freebsd7': ['make'],
       'freebsd8': ['make'],
       'cygwin':   ['msvs'],
-      'win32':    ['msvs'],
+      'win32':    ['msvs', 'ninja'],
       'linux2':   ['make', 'ninja'],
       'linux3':   ['make', 'ninja'],
       'darwin':   ['make', 'ninja', 'xcode'],
     }[sys.platform]
 
   for format in format_list:
     os.environ['TESTGYP_FORMAT'] = format
     if not opts.quiet:
       sys.stdout.write('TESTGYP_FORMAT=%s\n' % format)
 
@@ skipping 24 matching lines @@
     report("No result from", no_result)
 
   if failed:
     return 1
   else:
     return 0
 
 
 if __name__ == "__main__":
   sys.exit(main())