Accept spaces before/after testharness.js output and CONSOLE output.

Tools/Scripts/webkitpy/layout_tests/controllers/single_test_runner.py

 # Copyright (C) 2011 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 244 matching lines @@
         if expected_driver_output.image or expected_driver_output.audio or expected_driver_output.text:
             return False, []
 
         if driver_output.image or driver_output.audio or self._is_render_tree(driver_output.text):
             return False, []
 
         failures = []
         found_a_pass = False
         text = driver_output.text or ''
         lines = text.strip().splitlines()
+        lines = [line.strip() for line in lines]
         header = 'This is a testharness.js-based test.'
         footer = 'Harness: the test ran to completion.'
         if not lines or not header in lines:
             return False, []
         if not footer in lines:
             return True, [test_failures.FailureTestHarnessAssertion()]
 
         for line in lines:
+            if line == header or line == footer or line.startswith('PASS'):
+                continue
+            # CONSOLE output can happen during tests and shouldn't break them.
+            if line.startswith('CONSOLE'):
+                continue
+
             if line.startswith('FAIL') or line.startswith('TIMEOUT'):
                 return True, [test_failures.FailureTestHarnessAssertion()]
 
             # Fail the test if there is any unrecognized output.
-            if line != header and line != footer and not line.startswith('PASS'):
-                return True, [test_failures.FailureTestHarnessAssertion()]
+            return True, [test_failures.FailureTestHarnessAssertion()]
         return True, []
 
     def _is_render_tree(self, text):
         return text and "layer at (0,0) size 800x600" in text
 
     def _compare_text(self, expected_text, actual_text):
         failures = []
         if (expected_text and actual_text and
             # Assuming expected_text is already normalized.
             self._port.do_text_results_differ(expected_text, self._get_normalized_output_text(actual_text))):
@@ skipping 118 matching lines @@
         elif reference_driver_output.image_hash != actual_driver_output.image_hash:
             diff, err_str = self._port.diff_image(reference_driver_output.image, actual_driver_output.image)
             if diff:
                 failures.append(test_failures.FailureReftestMismatch(reference_filename))
             elif err_str:
                 _log.error(err_str)
             else:
                 _log.warning("  %s -> ref test hashes didn't match but diff passed" % self._test_name)
 
         return TestResult(self._test_name, failures, total_test_time, has_stderr, pid=actual_driver_output.pid)