Add no-test-harness mode to test driver.

test/mjsunit/testcfg.py

 # Copyright 2008 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
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 59 matching lines @@
         files_list += files_match.group(1).strip().split()
         files_match = FILES_PATTERN.search(source, files_match.end())
       else:
         break
     files = [ os.path.normpath(os.path.join(self.root, '..', '..', f))
               for f in files_list ]
     testfilename = os.path.join(self.root, testcase.path + self.suffix())
     if SELF_SCRIPT_PATTERN.search(source):
       env = ["-e", "TEST_FILE_NAME=\"%s\"" % testfilename.replace("\\", "\\\\")]
       files = env + files
-    files.append(os.path.join(self.root, "mjsunit.js"))
+
+    if not context.no_harness:
+      files.append(os.path.join(self.root, "mjsunit.js"))
     files.append(testfilename)
 
     flags += files
     if context.isolates:
       flags.append("--isolate")
       flags += files
 
     return testcase.flags + flags
 
   def GetSourceForTest(self, testcase):
     filename = os.path.join(self.root, testcase.path + self.suffix())
     with open(filename) as f:
       return f.read()
 
 
 def GetSuite(name, root):
   return MjsunitTestSuite(name, root)