In "pylint: disable=" comments in webkitpy, use symbolic names.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem_unittest.py

 # vim: set fileencoding=utf-8 :
 # Copyright (C) 2010 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
@@ skipping 24 matching lines @@
 import stat
 import sys
 import tempfile
 import unittest
 
 from webkitpy.common.system.filesystem import FileSystem
 
 
 class GenericFileSystemTests(object):
     """Tests that should pass on either a real or mock filesystem."""
-    # pylint gets confused about this being a mixin: pylint: disable=E1101
+    # Pylint gets confused about this being a mixin: pylint: disable=no-member
 
     def setup_generic_test_dir(self):
         fs = self.fs
         self.generic_test_dir = str(self.fs.mkdtemp())
         self.orig_cwd = fs.getcwd()
         fs.chdir(self.generic_test_dir)
         fs.write_text_file('foo.txt', 'foo')
         fs.write_text_file('foobar', 'foobar')
         fs.maybe_make_directory('foodir')
         fs.write_text_file(fs.join('foodir', 'baz'), 'baz')
@@ skipping 263 matching lines @@
         fs = FileSystem()
         self.assertTrue(fs.remove('filename', remove_with_exception))
         self.assertEqual(-1, RealFileSystemTest._remove_failures)
 
     def test_sep(self):
         fs = FileSystem()
 
         self.assertEqual(fs.sep, os.sep)
         self.assertEqual(fs.join("foo", "bar"),
                          os.path.join("foo", "bar"))