Regenerate MANIFEST.json when WPT tests are run

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests_unittest.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
 # Copyright (C) 2011 Apple 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.
@@ skipping 1068 matching lines @@
 
     def test_reset_results(self):
         # Test that we update expectations in place. If the expectation
         # is missing, update the expected generic location.
         host = MockHost()
         details, err, _ = logging_run(
             ['--pixel-tests', '--reset-results', 'passes/image.html'],
             tests_included=True, host=host, new_results=True)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 0)
-        self.assertEqual(len(file_list), 7)
+        self.assertEqual(len(file_list), 8)
         self.assert_baselines(file_list, "passes/image", [".txt", ".png"], err)
 
     def test_missing_results(self):
         # Test that we update expectations in place. If the expectation
         # is missing, update the expected generic location.
         host = MockHost()
         details, err, _ = logging_run(['--no-show-results',
                                        'failures/unexpected/missing_text.html',
                                        'failures/unexpected/missing_image.html',
                                        'failures/unexpected/missing_render_tree_dump.html'],
                                       tests_included=True, host=host, new_results=True)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 3)
-        self.assertEqual(len(file_list), 11)
+        self.assertEqual(len(file_list), 12)
         self.assert_baselines(file_list, "failures/unexpected/missing_text", [".txt"], err)
         self.assert_baselines(file_list, "platform/test/failures/unexpected/missing_image", [".png"], err)
         self.assert_baselines(file_list, "platform/test/failures/unexpected/missing_render_tree_dump", [".txt"], err)
 
     def test_new_baseline(self):
         # Test that we update the platform expectations in the version-specific directories
         # for both existing and new baselines.
         host = MockHost()
         details, err, _ = logging_run(
             ['--pixel-tests', '--new-baseline', 'passes/image.html'],
             tests_included=True, host=host, new_results=True)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 0)
-        self.assertEqual(len(file_list), 7)
+        self.assertEqual(len(file_list), 8)
         self.assert_baselines(file_list,
                              "platform/test-mac-mac10.10/passes/image", [".txt", ".png"], err)
 
     def test_reftest_reset_results(self):
         # Test rebaseline of reftests.
         # Should ignore reftests without text expectations.
         host = MockHost()
         details, err, _ = logging_run(['--reset-results', 'passes/reftest.html'], tests_included=True, host=host)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 0)
-        self.assertEqual(len(file_list), 5)
+        self.assertEqual(len(file_list), 6)
         self.assert_baselines(file_list, '', [], err)
 
         host.filesystem.write_text_file(test.LAYOUT_TEST_DIR + '/passes/reftest-expected.txt', '')
         host.filesystem.clear_written_files()
         details, err, _ = logging_run(['--reset-results', 'passes/reftest.html'], tests_included=True, host=host)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 0)
         self.assertEqual(len(file_list), 6)
         self.assert_baselines(file_list, 'passes/reftest', ['.txt'], err)
 
     def test_reftest_new_baseline(self):
         # Test rebaseline of reftests.
         # Should ignore reftests without text expectations.
         host = MockHost()
         details, err, _ = logging_run(['--new-baseline', 'passes/reftest.html'], tests_included=True, host=host)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 0)
-        self.assertEqual(len(file_list), 5)
+        self.assertEqual(len(file_list), 6)
         self.assert_baselines(file_list, '', [], err)
 
         host.filesystem.write_text_file(test.LAYOUT_TEST_DIR + '/passes/reftest-expected.txt', '')
         host.filesystem.clear_written_files()
         details, err, _ = logging_run(['--new-baseline', 'passes/reftest.html'], tests_included=True, host=host)
         file_list = host.filesystem.written_files.keys()
         self.assertEqual(details.exit_code, 0)
         self.assertEqual(len(file_list), 6)
         self.assert_baselines(file_list, 'platform/test-mac-mac10.10/passes/reftest', ['.txt'], err)
 
@@ skipping 37 matching lines @@
 
             run_webkit_tests._run_tests = successful_run
             res = run_webkit_tests.main(['--platform', 'test'], stdout, stderr)
             self.assertEqual(res, test_run_results.UNEXPECTED_ERROR_EXIT_STATUS)
 
             run_webkit_tests._run_tests = exception_raising_run
             res = run_webkit_tests.main([], stdout, stderr)
             self.assertEqual(res, test_run_results.UNEXPECTED_ERROR_EXIT_STATUS)
         finally:
             run_webkit_tests._run_tests = orig_run_fn