Add support for JUnit compatible XML output in the new test runner.

tools/run-tests.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 127 matching lines @@
   result.add_option("--time", help="Print timing information after running",
                     default=False, action="store_true")
   result.add_option("-t", "--timeout", help="Timeout in seconds",
                     default= -1, type="int")
   result.add_option("-v", "--verbose", help="Verbose output",
                     default=False, action="store_true")
   result.add_option("--valgrind", help="Run tests through valgrind",
                     default=False, action="store_true")
   result.add_option("--warn-unused", help="Report unused rules",
                     default=False, action="store_true")
+  result.add_option("--junitout", help="File name of the JUnit output")
+  result.add_option("--junittestsuite",
+                    help="The testsuite name in the JUnit output file",
+                    default="v8tests")
   return result
 
 
 def ProcessOptions(options):
   global VARIANT_FLAGS
 
   # Architecture and mode related stuff.
   if options.arch_and_mode:
     tokens = options.arch_and_mode.split(".")
     options.arch = tokens[0]
@@ skipping 167 matching lines @@
     verbose.PrintReport(all_tests)
 
   if num_tests == 0:
     print "No tests to run."
     return 0
 
   # Run the tests, either locally or distributed on the network.
   try:
     start_time = time.time()
     progress_indicator = progress.PROGRESS_INDICATORS[options.progress]()
+    if options.junitout:
+      progress_indicator = progress.JUnitTestProgressIndicator(
+          progress_indicator, options.junitout, options.junittestsuite)
 
     run_networked = not options.no_network
     if not run_networked:
       print("Network distribution disabled, running tests locally.")
     elif utils.GuessOS() != "linux":
       print("Network distribution is only supported on Linux, sorry!")
       run_networked = False
     peers = []
     if run_networked:
       peers = network_execution.GetPeers()
@@ skipping 20 matching lines @@
   except KeyboardInterrupt:
     return 1
 
   if options.time:
     verbose.PrintTestDurations(suites, overall_duration)
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())