Clean up remaining DumpRenderTree references and flags.

Tools/Scripts/webkitpy/layout_tests/port/test.py

 # Copyright (C) 2010 Google 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.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 519 matching lines @@
         return self.ALL_BASELINE_VARIANTS
 
     def virtual_test_suites(self):
         return [
             VirtualTestSuite('virtual/passes', 'passes', ['--virtual-arg']),
             VirtualTestSuite('virtual/skipped', 'failures/expected', ['--virtual-arg2']),
         ]
 
 
 class TestDriver(Driver):
-    """Test/Dummy implementation of the DumpRenderTree interface."""
+    """Test/Dummy implementation of the driver interface."""
     next_pid = 1
 
     def __init__(self, *args, **kwargs):
         super(TestDriver, self).__init__(*args, **kwargs)
         self.started = False
         self.pid = 0
 
     def cmd_line(self, pixel_tests, per_test_args):
         pixel_tests_flag = '-p' if pixel_tests else ''
         return [self._port._path_to_driver()] + [pixel_tests_flag] + self._port.get_option('additional_drt_flag', []) + per_test_args
@@ skipping 55 matching lines @@
             image = None
         else:
             image = test.actual_image
         return DriverOutput(actual_text, image, test.actual_checksum, audio,
             crash=test.crash or test.web_process_crash, crashed_process_name=crashed_process_name,
             crashed_pid=crashed_pid, crash_log=crash_log,
             test_time=time.time() - start_time, timeout=test.timeout, error=test.error, pid=self.pid)
 
     def stop(self):
         self.started = False