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

third_party/WebKit/Tools/Scripts/webkitpy/common/checkout/diff_parser.py

 # Copyright (C) 2009 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 138 matching lines @@
             if file_declaration:
                 filename = file_declaration.group('FilePath')
                 current_file = DiffFile(filename)
                 files[filename] = current_file
                 state = _DECLARED_FILE_PATH
                 continue
 
             lines_changed = lines_changed_pattern.match(line)
             if lines_changed:
                 if state != _DECLARED_FILE_PATH and state != _PROCESSING_CHUNK:
-                    _log.error('Unexpected line change without file path '
-                               'declaration: %r' % line)
+                    _log.error('Unexpected line change without file path declaration: %r', line)
                 old_diff_line = int(lines_changed.group('OldStartLine'))
                 new_diff_line = int(lines_changed.group('NewStartLine'))
                 state = _PROCESSING_CHUNK
                 continue
 
             if state == _PROCESSING_CHUNK:
                 if line.startswith('+'):
                     current_file.add_new_line(new_diff_line, line[1:])
                     new_diff_line += 1
                 elif line.startswith('-'):
                     current_file.add_deleted_line(old_diff_line, line[1:])
                     old_diff_line += 1
                 elif line.startswith(' '):
                     current_file.add_unchanged_line(old_diff_line, new_diff_line, line[1:])
                     old_diff_line += 1
                     new_diff_line += 1
                 elif line == '\\ No newline at end of file':
                     # Nothing to do.  We may still have some added lines.
                     pass
                 else:
-                    _log.error('Unexpected diff format when parsing a '
-                               'chunk: %r' % line)
+                    _log.error('Unexpected diff format when parsing a chunk: %r', line)
         return files