Change logging statements to not use the "%" operator.

third_party/WebKit/Tools/Scripts/webkitpy/style/checker.py

 # Copyright (C) 2009 Google Inc. All rights reserved.
 # Copyright (C) 2010 Chris Jerdonek (chris.jerdonek@gmail.com)
 # Copyright (C) 2010 ProFUSION embedded systems
 #
 # 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 678 matching lines @@
         self._carriage_checker_class = carriage_checker_class
         self._configuration = configuration
         self._dispatcher = dispatcher
         self._increment_error_count = increment_error_count
 
     def should_process(self, file_path):
         """Return whether the file should be checked for style."""
         if self._dispatcher.should_skip_without_warning(file_path):
             return False
         if self._dispatcher.should_skip_with_warning(file_path):
-            _log.warn('File exempt from style guide. Skipping: "%s"'
-                      % file_path)
+            _log.warning('File exempt from style guide. Skipping: "%s"', file_path)
             return False
         return True
 
     def process(self, lines, file_path, line_numbers=None):
         """Check the given lines for style.
 
         Arguments:
           lines: A list of all lines in the file to check.
           file_path: The path of the file to process.  If possible, the path
                      should be relative to the source root.  Otherwise,
@@ skipping 23 matching lines @@
         checker = self._dispatcher.dispatch(file_path,
                                             style_error_handler,
                                             min_confidence)
 
         if checker is None:
             raise AssertionError("File should not be checked: '%s'" % file_path)
 
         _log.debug("Using class: " + checker.__class__.__name__)
 
         checker.check(lines)