[Nit] Renaming GenerateDashBoard to a more class sounding name DashBoardGenerator

Tools/Scripts/webkitpy/layout_tests/generate_results_dashboard.py

 # Copyright (C) 2014 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 68 matching lines @@
                 json_object.clear()
                 self._add_archived_result(json_object, row)
                 return
 
     def generate_archived_result(self):
         for key in self._current_result_json_dict["tests"]:
             self._process_json_object(self._current_result_json_dict["tests"][key], [key])
         return self._current_result_json_dict
 
 
-class GenerateDashBoard(object):
+class DashBoardGenerator(object):
 
     def __init__(self, port):
         self._port = port
         self._filesystem = port.host.filesystem
         self._results_directory = self._port.results_directory()
         self._results_directory_path = self._filesystem.dirname(self._results_directory)
         self._current_result_json_dict = {}
         self._old_failing_results_list = []
         self._old_full_results_list = []
         self._final_result = []
@@ skipping 47 matching lines @@
         self._initialize()
 
         # There must be atleast one archived result to be processed
         if self._current_result_json_dict:
             process_json_data = ProcessJsonData(self._current_result_json_dict, self._old_failing_results_list, self._old_full_results_list)
             self._final_result = process_json_data.generate_archived_result()
             final_json = json.dumps(self._final_result)
             final_json = 'ADD_RESULTS(' + final_json + ');'
             with self._filesystem.open_text_file_for_writing(self._filesystem.join(self._results_directory, 'archived_results.json')) as file:
                 file.write(final_json)