Adds a 'webkit_lint' test step to the bots

scripts/slave/chromium/lint_test_files_wrapper.py

+#!/usr/bin/env python
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""A wrapper script to check the test_expectations.txt file for errors."""
+
+import optparse
+import os
+
+from common import chromium_utils
+from slave import slave_utils
+
+
+def layout_test(options, args):
+  """Parse options and call run_webkit_tests.py, using Python from the tree."""
+  build_dir = os.path.abspath(options.build_dir)
+  webkit_tests_dir = chromium_utils.FindUpward(build_dir,
+                                              'webkit', 'tools', 'layout_tests')
+  run_webkit_tests = os.path.join(webkit_tests_dir, 'run_webkit_tests.py')
+  # TODO(dpranke): '--chromium' shouldn't be needed.
+  command = [run_webkit_tests, '--lint-test-files', '--chromium']
+  return slave_utils.RunPythonCommandInBuildDir(build_dir, options.target,
+                                                command)
+
+def main():
+  option_parser = optparse.OptionParser()
+  options, args = option_parser.parse_args()
+  return layout_test(options, args)
+
+if '__main__' == __name__:
+  sys.exit(main())