[Telemetry] Remove page_test.DidRunTest hook.

tools/telemetry/telemetry/internal/story_runner_unittest.py

Index: tools/telemetry/telemetry/internal/story_runner_unittest.py
diff --git a/tools/telemetry/telemetry/internal/story_runner_unittest.py b/tools/telemetry/telemetry/internal/story_runner_unittest.py
index 260edce7ec3499f8edeb0bf5c64ba669d9a3021a..8aa121448d311c6e3a918e2d6e217f9a76b43bc3 100644
--- a/tools/telemetry/telemetry/internal/story_runner_unittest.py
+++ b/tools/telemetry/telemetry/internal/story_runner_unittest.py
@@ -364,33 +364,31 @@ class StoryRunnerTest(unittest.TestCase):
     self.SuppressExceptionFormatting()
     us = user_story_set.UserStorySet()
 
+    unit_test_events = []  # track what was called when
     class DidRunTestError(Exception):
       pass
 
     class TestTearDownSharedState(TestSharedPageState):
       def TearDownState(self, results):
-        self._test.DidRunTest('app', results)
+        unit_test_events.append('tear-down-state')
+        raise DidRunTestError
+
 
     class Test(page_test.PageTest):
       def __init__(self, *args):
         super(Test, self).__init__(*args)
         self.run_count = 0
-        self._unit_test_events = []  # track what was called when
 
       def RunPage(self, *_):
         old_run_count = self.run_count
         self.run_count += 1
         if old_run_count == 0:
-          self._unit_test_events.append('app-crash')
+          unit_test_events.append('app-crash')
           raise exceptions.AppCrashException
 
       def ValidateAndMeasurePage(self, page, tab, results):
         pass
 
-      def DidRunTest(self, _, __):
-        self._unit_test_events.append('did-run-test')
-        raise DidRunTestError
-
     us.AddUserStory(DummyLocalUserStory(TestTearDownSharedState))
     us.AddUserStory(DummyLocalUserStory(TestTearDownSharedState))
     test = Test()
@@ -398,7 +396,7 @@ class StoryRunnerTest(unittest.TestCase):
     with self.assertRaises(DidRunTestError):
       story_runner.Run(
           test, us, self.expectations, self.options, self.results)
-    self.assertEqual(['app-crash', 'did-run-test'], test._unit_test_events)
+    self.assertEqual(['app-crash', 'tear-down-state'], unit_test_events)
     # The AppCrashException gets added as a failure.
     self.assertEquals(1, len(self.results.failures))