Make docstrings more consistent using format-webkitpy.

third_party/WebKit/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 19 matching lines @@
 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."""
+        Returns True if this reader is functional.
+        """
         raise NotImplementedError()
 
     def crash_dumps_directory(self):
         return self._host.filesystem.join(self._build_dir, 'crash-dumps')
 
     def clobber_old_results(self):
         if self._host.filesystem.isdir(self.crash_dumps_directory()):
             self._host.filesystem.rmtree(self.crash_dumps_directory())
 
     def look_for_new_crash_logs(self, crashed_processes, start_time):
@@ skipping 18 matching lines @@
             if str(pid) in pid_to_minidump:
                 stack = self._get_stack_from_dump(pid_to_minidump[str(pid)])
                 if stack:
                     result[test] = stack
 
         return result
 
     def _get_pid_from_dump(self, dump_file):
         """This routine must be implemented by subclasses.
 
-        This routine returns the PID of the crashed process that produced the given dump_file."""
+        This routine returns the PID of the crashed process that produced the given dump_file.
+        """
         raise NotImplementedError()
 
     def _get_stack_from_dump(self, dump_file):
         """This routine must be implemented by subclasses.
 
-        Returns the stack stored in the given breakpad dump_file."""
+        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."""
+        Returns the file extension of crash dumps written by breakpad.
+        """
         raise NotImplementedError()