webkitpy: Reduce usage of path_from_webkit_base().

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
 #
 # 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
@@ skipping 519 matching lines @@
                 if response.code == 200:
                     _log.debug("JSON uploaded.")
                 else:
                     _log.debug("JSON upload failed, %d: '%s'", response.code, response.read())
             else:
                 _log.error("JSON upload failed; no response returned")
         except Exception as err:
             _log.error("Upload failed: %s", err)
 
     def _copy_results_html_file(self, destination_path):
-        base_dir = self._port.path_from_webkit_base('LayoutTests', 'fast', 'harness')
+        base_dir = self._webkit_finder.path_from_layout_tests('fast', 'harness')
         results_file = self._filesystem.join(base_dir, 'results.html')
         # Note that the results.html template file won't exist when we're using a MockFileSystem during unit tests,
         # so make sure it exists before we try to copy it.
         if self._filesystem.exists(results_file):
             self._filesystem.copyfile(results_file, destination_path)
 
     def _stats_trie(self, initial_results):
         def _worker_number(worker_name):
             return int(worker_name.split('/')[1]) if worker_name else -1
 
         stats = {}
         for result in initial_results.results_by_name.values():
             if result.type != test_expectations.SKIP:
                 stats[result.test_name] = {'results': (_worker_number(result.worker_name), result.test_number, result.pid, int(
                     result.test_run_time * 1000), int(result.total_run_time * 1000))}
         stats_trie = {}
         for name, value in stats.iteritems():
             json_results_generator.add_path_to_trie(name, value, stats_trie)
         return stats_trie