Move user_story.shared_user_story_state to story.shared_state

tools/telemetry/telemetry/results/user_story_run_unittest.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 unittest
 
 from telemetry.results import user_story_run
+from telemetry.story import shared_state
 from telemetry import user_story as user_story_module
-from telemetry.user_story import shared_user_story_state
 from telemetry.user_story import user_story_set
 from telemetry.value import failure
 from telemetry.value import scalar
 from telemetry.value import skip
 
 
 # pylint: disable=abstract-method
-class SharedUserStoryStateBar(shared_user_story_state.SharedUserStoryState):
+class SharedStateBar(shared_state.SharedState):
   pass
 
 class UserStoryFoo(user_story_module.UserStory):
   def __init__(self, name='', labels=None):
     super(UserStoryFoo, self).__init__(
-        SharedUserStoryStateBar, name, labels)
+        SharedStateBar, name, labels)
 
 class UserStoryRunTest(unittest.TestCase):
   def setUp(self):
     self.user_story_set = user_story_set.UserStorySet()
     self.user_story_set.AddUserStory(UserStoryFoo())
 
   @property
   def user_stories(self):
     return self.user_story_set.user_stories
 
@@ skipping 30 matching lines @@
     run = user_story_run.UserStoryRun(self.user_stories[0])
     self.assertTrue(run.ok)
     self.assertFalse(run.failed)
     self.assertFalse(run.skipped)
 
     run = user_story_run.UserStoryRun(self.user_stories[0])
     run.AddValue(scalar.ScalarValue(self.user_stories[0], 'a', 's', 1))
     self.assertTrue(run.ok)
     self.assertFalse(run.failed)
     self.assertFalse(run.skipped)