text: # Copyright (c) 2011 Google Inc. All rights reserved.
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  from webkitpy.layout_tests.models.test_configuration import TestConfigurationConverter
  from webkitpy.layout_tests.models.test_expectations import TestExpectationParser, TestExpectationSerializer
  from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand
  
  
  class OptimizeExpectations(AbstractDeclarativeCommand):
      name = "optimize-expectations"
      help_text = "Fixes simple style issues in test_expectations file.  (Currently works only for chromium port.)"
  
      def execute(self, options, args, tool):
          port = tool.port_factory.get("chromium-win-win7")  # FIXME: This should be selectable.
          expectation_lines = TestExpectationParser.tokenize_list(port.test_expectations())
          parser = TestExpectationParser(port, [], allow_rebaseline_modifier=False)
          for expectation_line in expectation_lines:
              parser.parse(expectation_line)
          converter = TestConfigurationConverter(port.all_test_configurations(), port.configuration_specifier_macros())
          tool.filesystem.write_text_file(port.path_to_test_expectations_file(), TestExpectationSerializer.list_to_string(expectation_lines, converter))
  