Non-SFI mode: Enable PnaclTransitional Non-SFI browser tests on x86-64 bots.

ppapi/tests/create_nonsfi_test_nmf.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Simple tool to generate NMF file by just reformatting given arguments.
 
 This tool is similar to native_client_sdk/src/tools/create_nmf.py.
 create_nmf.py handles most cases, with the exception of Non-SFI nexes.
 create_nmf.py tries to auto-detect nexe and pexe types based on their contents,
@@ skipping 13 matching lines @@
 _FILES_KEY = 'files'
 _PORTABLE_KEY = 'portable'
 _PROGRAM_KEY = 'program'
 _URL_KEY = 'url'
 
 def ParseArgs():
   parser = argparse.ArgumentParser()
   parser.add_argument(
       '--program', metavar='FILE', help='Main program nexe')
   parser.add_argument(
-      '--arch', metavar='ARCH', choices=('x86-32', 'arm'),
+      '--arch', metavar='ARCH', choices=('x86-32', 'x86-64', 'arm'),
       help='The archtecture of main program nexe')
   # To keep compatibility with create_nmf.py, we use -x and --extra-files
   # as flags.
   parser.add_argument(
       '-x', '--extra-files', action='append', metavar='KEY:FILE', default=[],
       help=('Add extra key:file tuple to the "files" '
             'section of the .nmf'))
   parser.add_argument(
       '--output', metavar='FILE', help='Path to the output nmf file.')
 
@@ skipping 46 matching lines @@
     logging.error('--output is not specified.')
     sys.exit(1)
 
   nmf_map = BuildNmfMap(os.path.dirname(args.output),
                         args.program, args.arch, args.extra_files)
   OutputNmf(nmf_map, args.output)
 
 
 if __name__ == '__main__':
   main()