Removing the mutation in the factories for getting dep repositories

appengine/findit/crash/findit_for_clusterfuzz.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
 
 from google.appengine.ext import ndb
 
 from crash.findit import Findit
 from crash.type_enums import CrashClient
 
 # TODO(katesonia): Implement this class.
 class FinditForClusterfuzz(Findit): # pragma: no cover
   @classmethod
   def _ClientID(cls):
     return CrashClient.CLUSTERFUZZ
 
-  def __init__(self, repository):
-    super(FinditForClusterfuzz, self).__init__(repository)
+  def __init__(self, get_repository):
+    super(FinditForClusterfuzz, self).__init__(get_repository)
     logging.info('Client %s is not supported by findit right now',
         self.client_id)
     raise NotImplementedError()
 
   def CreateAnalysis(self, crash_identifiers):
     raise NotImplementedError()
 
   def GetAnalysis(self, crash_identifiers):
     raise NotImplementedError()
 
   def _InitializeAnalysis(self, model, crash_data):
     super(FinditForClusterfuzz, self)._InitializeAnalysis(model, crash_data)
     raise NotImplementedError()
 
   @ndb.transactional
   def _NeedsNewAnalysis(self, crash_data):
     raise NotImplementedError()
 
   def CheckPolicy(self, crash_data):
     return crash_data
 
   def FindCulprit(self, model):
     raise NotImplementedError()