Reformat webkitpy.layout_tests w/ format-webkitpy.

Tools/Scripts/webkitpy/layout_tests/breakpad/dump_reader.py

 # Copyright (C) 2013 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 15 matching lines @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import logging
 
 
 _log = logging.getLogger(__name__)
 
 
 class DumpReader(object):
+
     """Base class for breakpad dump readers."""
 
     def __init__(self, host, build_dir):
         self._host = host
         self._build_dir = build_dir
 
     def check_is_functional(self):
         """This routine must be implemented by subclasses.
 
         Returns True if this reader is functional."""
@@ skipping 42 matching lines @@
         """This routine must be implemented by subclasses.
 
         Returns the stack stored in the given breakpad dump_file."""
         raise NotImplementedError()
 
     def _file_extension(self):
         """This routine must be implemented by subclasses.
 
         Returns the file extension of crash dumps written by breakpad."""
         raise NotImplementedError()