Remove all unused variables.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/views/printing_unittest.py

 # Copyright (C) 2010, 2012 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 35 matching lines @@
 
 def get_options(args):
     print_options = printing.print_options()
     option_parser = optparse.OptionParser(option_list=print_options)
     return option_parser.parse_args(args)
 
 
 class TestUtilityFunctions(unittest.TestCase):
 
     def test_print_options(self):
-        options, args = get_options([])
+        options, _ = get_options([])
         self.assertIsNotNone(options)
 
 
 class FakeRunResults(object):
 
     def __init__(self, total=1, expected=1, unexpected=0, fake_results=None):
         fake_results = fake_results or []
         self.total = total
         self.expected = expected
         self.expected_failures = 0
@@ skipping 29 matching lines @@
         stream.buflist = []
         stream.buf = ''
 
     def get_printer(self, args=None):
         args = args or []
         printing_options = printing.print_options()
         option_parser = optparse.OptionParser(option_list=printing_options)
         options, args = option_parser.parse_args(args)
         host = MockHost()
         self._port = host.port_factory.get('test', options)
-        nproc = 2
 
         regular_output = StringIO.StringIO()
         printer = printing.Printer(self._port, options, regular_output)
         return printer, regular_output
 
     def get_result(self, test_name, result_type=test_expectations.PASS, run_time=0):
         failures = []
         if result_type == test_expectations.TIMEOUT:
             failures = [test_failures.FailureTimeout()]
         elif result_type == test_expectations.CRASH:
             failures = [test_failures.FailureCrash()]
         return test_results.TestResult(test_name, failures=failures, test_run_time=run_time)
 
     def test_configure_and_cleanup(self):
         # This test verifies that calling cleanup repeatedly and deleting
         # the object is safe.
-        printer, err = self.get_printer()
+        printer, _ = self.get_printer()
         printer.cleanup()
         printer.cleanup()
         printer = None
 
     def test_print_config(self):
         printer, err = self.get_printer()
         # FIXME: it's lame that i have to set these options directly.
         printer._options.pixel_tests = True
         printer._options.new_baseline = True
         printer._options.time_out_ms = 6000
@@ skipping 117 matching lines @@
         printer.print_finished_test(result, expected=True, exp_str='', got_str='')
 
         printer.print_started_test('passes/text.html')
         result = self.get_result('passes/text.html')
         printer.print_finished_test(result, expected=True, exp_str='', got_str='')
 
         # Only the first test's start should be printed.
         lines = err.buflist
         self.assertEqual(len(lines), 1)
         self.assertTrue(lines[0].endswith('passes/image.html\n'))