Improve run-webkit-tests error reporting when ref tests have missing images.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/models/test_run_results.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
 #
 # 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 142 matching lines @@
     test_dict = {}
     failure_types = [type(failure) for failure in failures]
     # FIXME: get rid of all this is_* values once there is a 1:1 map between
     # TestFailure type and test_expectations.EXPECTATION.
     if test_failures.FailureMissingAudio in failure_types:
         test_dict['is_missing_audio'] = True
 
     if test_failures.FailureMissingResult in failure_types:
         test_dict['is_missing_text'] = True
 
-    if test_failures.FailureMissingImage in failure_types or test_failures.FailureMissingImageHash in failure_types:
+    if (test_failures.FailureMissingImage in failure_types or
+            test_failures.FailureMissingImageHash in failure_types or
+            test_failures.FailureReftestNoImageGenerated in failure_types or
+            test_failures.FailureReftestNoReferenceImageGenerated in failure_types):
         test_dict['is_missing_image'] = True
 
     if test_failures.FailureTestHarnessAssertion in failure_types:
         test_dict['is_testharness_test'] = True
 
     return test_dict
 
 
 def summarize_results(port_obj, expectations, initial_results,
                       all_retry_results, enabled_pixel_tests_in_retry,
@@ skipping 169 matching lines @@
         path = port_obj.repository_path()
         git = port_obj.host.git(path=path)
         if git:
             results['chromium_revision'] = str(git.commit_position(path))
         else:
             _log.warning('Failed to determine chromium commit position for %s, '
                          'leaving "chromium_revision" key blank in full_results.json.',
                          path)
 
     return results