Revert of Add request-level caching for privileged queries.

dashboard/dashboard/start_try_job_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.
 
 import base64
 import httplib2
 import json
 import unittest
 
 import mock
@@ skipping 261 matching lines @@
 
 @mock.patch('apiclient.discovery.build', mock.MagicMock())
 @mock.patch.object(utils, 'ServiceAccountHttp', mock.MagicMock())
 class StartBisectTest(testing_common.TestCase):
 
   def setUp(self):
     super(StartBisectTest, self).setUp()
     app = webapp2.WSGIApplication(
         [('/start_try_job', start_try_job.StartBisectHandler)])
     self.testapp = webtest.TestApp(app)
-    self.PatchDatastoreHooksRequest()
     namespaced_stored_object.Set(
         can_bisect.BISECT_BOT_MAP_KEY,
         {
             'ChromiumPerf': [
                 ('nexus4', 'android_nexus4_perf_bisect'),
                 ('nexus7', 'android_nexus7_perf_bisect'),
                 ('win8', 'win_8_perf_bisect'),
                 ('xp', 'win_xp_perf_bisect'),
                 ('android', 'android_nexus7_perf_bisect'),
                 ('mac', 'mac_perf_bisect'),
@@ skipping 652 matching lines @@
     testing_common.AddTests(
         ['M'], ['b'],
         {'benchmark': {'chart': {'tir_label': {'page': {}}}}})
     self.assertEqual(
         'tir_label-chart/tir_label-chart',
         start_try_job.GuessMetric('M/b/benchmark/chart/tir_label'))
 
 
 if __name__ == '__main__':
   unittest.main()