tools/test.py: Add support for JUnit compatible XML output

tools/test-wrapper-gypbuild.py

 #!/usr/bin/env python
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 105 matching lines @@
                     help="Don't run crankshaft --always-opt --stress-op test",
                     default=False, action="store_true")
   result.add_option("--shard-count",
                     help="Split testsuites into this number of shards",
                     default=1, type="int")
   result.add_option("--shard-run",
                     help="Run this shard from the split up tests.",
                     default=1, type="int")
   result.add_option("--noprof", help="Disable profiling support",
                     default=False)
+  result.add_option("--xmlout", help='File name of the UnitTest output')
 
   # Flags present in the original test.py that are unsupported in this wrapper:
   # -S [-> scons_flags] (we build with gyp/make, not scons)
   # --no-build (always true)
   # --build-only (always false)
   # --build-system (always 'gyp')
   # --simulator (always true if arch==arm, always false otherwise)
   # --shell (automatically chosen depending on arch and mode)
 
   return result
@@ skipping 63 matching lines @@
   if options.stress_only:
     result += ['--stress-only']
   if options.nostress:
     result += ['--nostress']
   if options.shard_count != 1:
     result += ['--shard-count=%s' % options.shard_count]
   if options.shard_run != 1:
     result += ['--shard-run=%s' % options.shard_run]
   if options.noprof:
     result += ['--noprof']
+  if options.xmlout:
+    result += ['--xmlout=%s' % options.xmlout]
   return result
 
 
 def Main():
   parser = BuildOptions()
   (options, args) = parser.parse_args()
   if not ProcessOptions(options):
     parser.print_help()
     return 1
 
@@ skipping 42 matching lines @@
                              shell=True,
                              cwd=workspace,
                              env=env)
     returncodes = child.wait()
 
   return returncodes
 
 
 if __name__ == '__main__':
   sys.exit(Main())