Use chromium revision instead of blink svn revision when rebaselining layout tests.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/test.py

 # Copyright (C) 2010 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 404 matching lines @@
             'test-mac-snowleopard': 'snowleopard',
             'test-linux-x86': 'linux32',
             'test-linux-precise': 'precise',
             'test-linux-trusty': 'trusty',
         }
         self._version = version_map[self._name]
 
         if self._operating_system == 'linux' and self._version != 'linux32':
             self._architecture = 'x86_64'
 
-    def repository_paths(self):
-        """Returns a list of (repository_name, repository_path) tuples of its depending code base."""
-        # FIXME: We override this just to keep the perf tests happy.
-        return [('blink', self.layout_tests_dir())]
-
     def buildbot_archives_baselines(self):
         return self._name != 'test-win-xp'
 
     def default_pixel_tests(self):
         return True
 
     def _path_to_driver(self):
         # This routine shouldn't normally be called, but it is called by
         # the mock_drt Driver. We return something, but make sure it's useless.
         return 'MOCK _path_to_driver'
@@ skipping 217 matching lines @@
         else:
             image = test.actual_image
         return DriverOutput(actual_text, image, test.actual_checksum, audio,
             crash=(crash or web_process_crash), crashed_process_name=crashed_process_name,
             crashed_pid=crashed_pid, crash_log=crash_log,
             test_time=time.time() - start_time, timeout=test.timeout, error=test.error, pid=self.pid,
             leak=test.leak)
 
     def stop(self):
         self.started = False