[Findit] Factoring the gitiles (etc) stuff out into its own directory

appengine/findit/waterfall/test/identify_try_job_culprit_pipeline_test.py

 # Copyright 2015 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.
 
 from testing_utils import testing
 
-from common.git_repository import GitRepository
 from common.waterfall import failure_type
+from lib.gitiles.gitiles_repository import GitilesRepository
 from model import analysis_approach_type
 from model import analysis_status
 from model import result_status
 from model.wf_analysis import WfAnalysis
 from model.wf_suspected_cl import WfSuspectedCL
+from model.wf_try_job_data import WfTryJobData
 from model.wf_try_job import WfTryJob
-from model.wf_try_job_data import WfTryJobData
 from waterfall import build_util
 from waterfall import identify_try_job_culprit_pipeline
 from waterfall.identify_try_job_culprit_pipeline import(
     IdentifyTryJobCulpritPipeline)
 
 
 class IdentifyTryJobCulpritPipelineTest(testing.AppengineTestCase):
 
   def _MockGetChangeLog(self, revision):
     class MockedChangeLog(object):
 
       def __init__(self, commit_position, code_review_url):
         self.commit_position = commit_position
         self.code_review_url = code_review_url
 
     mock_change_logs = {}
     mock_change_logs['rev1'] = MockedChangeLog(1, 'url_1')
     mock_change_logs['rev2'] = MockedChangeLog(2, 'url_2')
     return mock_change_logs.get(revision)
 
   def setUp(self):
     super(IdentifyTryJobCulpritPipelineTest, self).setUp()
 
-    self.mock(GitRepository, 'GetChangeLog', self._MockGetChangeLog)
+    self.mock(GitilesRepository, 'GetChangeLog', self._MockGetChangeLog)
 
   def testGetFailedRevisionFromResultsDict(self):
     self.assertIsNone(
         identify_try_job_culprit_pipeline._GetFailedRevisionFromResultsDict({}))
     self.assertEqual(
         None,
         identify_try_job_culprit_pipeline._GetFailedRevisionFromResultsDict(
             {'rev1': 'passed'}))
     self.assertEqual(
         'rev1',
@@ skipping 1117 matching lines @@
 
     identify_try_job_culprit_pipeline._NotifyCulprits(
         master_name, builder_name, build_number, None,
         heuristic_cls, compile_suspected_cl)
     self.assertEqual(1, len(instances))
     self.assertTrue(instances[0].started)
 
   def testGetTestFailureCausedByCLResultNone(self):
     self.assertIsNone(
         identify_try_job_culprit_pipeline._GetTestFailureCausedByCL(None))