old_contents: # debugger_unittests.py
  #
  # Run chrome debugger front-end tests.
  # see also chrome/test/debugger/test_protocol.js
  
  import optparse
  import os.path
  import subprocess
  import sys
  import time
  
  import google.path_utils
  import google.process_utils
  
  def RunTests(build_dir=None):
    '''This is just a simple wrapper for running the test through v8_shell_sample.
    Since v8_shell_sample always returns 0 whether the test passes or fails,
    buildbot looks at stdout to test for failure.
    '''
    script_dir = google.path_utils.ScriptDir()
    chrome_dir = google.path_utils.FindUpward(script_dir, "chrome")
    v8_dir = google.path_utils.FindUpward(script_dir, "v8")
    if build_dir:
      v8_shell_sample = os.path.join(build_dir, "v8_shell_sample.exe")
    else:
      v8_shell_sample = os.path.join(chrome_dir, "Debug", "v8_shell_sample.exe")
      # look for Debug version first
      if not os.path.isfile(v8_shell_sample):
        v8_shell_sample = os.path.join(chrome_dir, "Release", "v8_shell_sample.exe")
    runtime_flags = "--allow-natives-syntax --expose-debug-as debugContext"
    cmd = [v8_shell_sample,
           runtime_flags,
           os.path.join(chrome_dir, "browser", "debugger", "resources", "debugger_shell.js"),
           # TODO Change the location of mjsunit.js from the copy in this
           # directory to the copy in V8 when switching to use V8 from
           # code.google.com.
           # os.path.join(v8_dir, "test", "mjsunit", "mjsunit.js"),
           os.path.join(chrome_dir, "test", "debugger", "mjsunit.js"),
           os.path.join(chrome_dir, "test", "debugger", "test_protocol.js")
          ]
    (retcode, output) = google.process_utils.RunCommandFull(cmd, 
                                                            collect_output=True)
    if "Success" in output:
      return 0
    else:
      return 1
  
  if __name__ == "__main__":
    parser = optparse.OptionParser("usage: %prog [--build_dir=dir]")
    parser.add_option("", "--build_dir",
                      help="directory where v8_shell_sample.exe was built")
    (options, args) = parser.parse_args()
    ret = RunTests(options.build_dir)
    sys.exit(ret)
  
new_contents: # debugger_unittests.py
  #
  # Run chrome debugger front-end tests.
  # see also chrome/test/debugger/test_protocol.js
  
  import optparse
  import os.path
  import subprocess
  import sys
  import time
  
  import google.path_utils
  import google.process_utils
  
  def RunTests(build_dir=None):
    '''This is just a simple wrapper for running the test through v8_shell_sample.
    Since v8_shell_sample always returns 0 whether the test passes or fails,
    buildbot looks at stdout to test for failure.
    '''
    script_dir = google.path_utils.ScriptDir()
    chrome_dir = google.path_utils.FindUpward(script_dir, "chrome")
    v8_dir = google.path_utils.FindUpward(script_dir, "v8")
    if build_dir:
      v8_shell_sample = os.path.join(build_dir, "v8_shell_sample.exe")
    else:
      v8_shell_sample = os.path.join(chrome_dir, "Debug", "v8_shell_sample.exe")
      # look for Debug version first
      if not os.path.isfile(v8_shell_sample):
        v8_shell_sample = os.path.join(chrome_dir, "Release", "v8_shell_sample.exe")
    cmd = [v8_shell_sample,
           "--allow-natives-syntax",
           "--expose-debug-as debugContext",
           os.path.join(chrome_dir, "browser", "debugger", "resources", "debugger_shell.js"),
           # TODO Change the location of mjsunit.js from the copy in this
           # directory to the copy in V8 when switching to use V8 from
           # code.google.com.
           # os.path.join(v8_dir, "test", "mjsunit", "mjsunit.js"),
           os.path.join(chrome_dir, "test", "debugger", "mjsunit.js"),
           os.path.join(chrome_dir, "test", "debugger", "test_protocol.js")
          ]
    (retcode, output) = google.process_utils.RunCommandFull(cmd, 
                                                            collect_output=True)
    if "Success" in output:
      return 0
    else:
      return 1
  
  if __name__ == "__main__":
    parser = optparse.OptionParser("usage: %prog [--build_dir=dir]")
    parser.add_option("", "--build_dir",
                      help="directory where v8_shell_sample.exe was built")
    (options, args) = parser.parse_args()
    ret = RunTests(options.build_dir)
    sys.exit(ret)
  
subject: Stop passing all the shell arguments as a single string.