User interruption should still create results.html for run-webkit-tests.

Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
 # Copyright (C) 2011 Apple Inc. 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.
@@ skipping 60 matching lines @@
 
     try:
         port = host.port_factory.get(options.platform, options)
     except NotImplementedError, e:
         # FIXME: is this the best way to handle unsupported port names?
         print >> stderr, str(e)
         return EXCEPTIONAL_EXIT_STATUS
 
     try:
         run_details = run(port, options, args, stderr)
-        if run_details.exit_code != -1:
+        if run_details.exit_code != -1 and not run_details.initial_results.keyboard_interrupted:
             bot_printer = buildbot_results.BuildBotPrinter(stdout, options.debug_rwt_logging)
             bot_printer.print_results(run_details)
 
         return run_details.exit_code
+    # We need to still handle KeyboardInterrupt, atleast for webkitpy unittest cases.
     except KeyboardInterrupt:
         return INTERRUPTED_EXIT_STATUS
     except BaseException as e:
         if isinstance(e, Exception):
             print >> stderr, '\n%s raised: %s' % (e.__class__.__name__, str(e))
             traceback.print_exc(file=stderr)
         return EXCEPTIONAL_EXIT_STATUS
 
 
 def parse_args(args):
@@ skipping 251 matching lines @@
         printer.print_config(port.results_directory())
 
         run_details = manager.run(args)
         _log.debug("Testing completed, Exit status: %d" % run_details.exit_code)
         return run_details
     finally:
         printer.cleanup()
 
 if __name__ == '__main__':
     sys.exit(main(sys.argv[1:], sys.stdout, sys.stderr))