Run format-webkit on webkitpy code (without string conversion).

third_party/WebKit/Tools/Scripts/webkitpy/performance_tests/perftest.py

 # Copyright (C) 2012 Google Inc. All rights reserved.
 # Copyright (C) 2012 Zoltan Horvath, Adobe Systems Incorporated. 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 182 matching lines @@
 
         return True
 
     def _ensure_metrics(self, metric_name, unit=None):
         if metric_name not in self._metrics:
             self._metrics[metric_name] = PerfTestMetric(metric_name, unit)
             self._ordered_metrics_name.append(metric_name)
         return self._metrics[metric_name]
 
     def run_single(self, driver, test_path, time_out_ms, should_run_pixel_test=False):
-        return driver.run_test(DriverInput(test_path, time_out_ms, image_hash=None, should_run_pixel_test=should_run_pixel_test, args=[]), stop_when_done=False)
+        return driver.run_test(
+            DriverInput(test_path, time_out_ms, image_hash=None, should_run_pixel_test=should_run_pixel_test, args=[]), stop_when_done=False)
 
     def run_failed(self, output):
         if output.error:
             _log.error('error: %s\n%s' % (self.test_name(), output.error))
 
-        if output.text == None:
+        if output.text is None:
             pass
         elif output.timeout:
             _log.error('timeout: %s' % self.test_name())
         elif output.crash:
             _log.error('crash: %s' % self.test_name())
         else:
             return False
 
         return True
 
@@ skipping 89 matching lines @@
         (re.compile(r'^Dromaeo/'), SingleProcessPerfTest),
         (re.compile(r'^inspector/'), ChromiumStylePerfTest),
     ]
 
     @classmethod
     def create_perf_test(cls, port, test_name, path, test_runner_count=DEFAULT_TEST_RUNNER_COUNT):
         for (pattern, test_class) in cls._pattern_map:
             if pattern.match(test_name):
                 return test_class(port, test_name, path, test_runner_count)
         return PerfTest(port, test_name, path, test_runner_count)