Revert of [Telemetry] Introduce shared_user_story_state for real.

tools/telemetry/telemetry/page/__init__.py

 # Copyright 2012 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 inspect
 import logging
 import os
 import urlparse
 
 from telemetry import user_story
-from telemetry.page import shared_page_state
 from telemetry.util import cloud_storage
 from telemetry.util import path
 
 
 def _UpdateCredentials(credentials_path):
   # Attempt to download the credentials file.
   try:
     cloud_storage.GetIfChanged(credentials_path)
   except (cloud_storage.CredentialsError, cloud_storage.PermissionError,
           cloud_storage.CloudStorageError) as e:
     logging.warning('Cannot retrieve credential file %s due to cloud storage '
                     'error %s', credentials_path, str(e))
 
 
 class Page(user_story.UserStory):
   def __init__(self, url, page_set=None, base_dir=None, name='',
                credentials_path=None, labels=None):
-    super(Page, self).__init__(shared_page_state.SharedPageState, name, labels)
+    super(Page, self).__init__(name, labels)
     self._url = url
     self._page_set = page_set
     # Default value of base_dir is the directory of the file that defines the
     # class of this page instance.
     if base_dir is None:
       base_dir = os.path.dirname(inspect.getfile(self.__class__))
     self._base_dir = base_dir
     self._name = name
     if credentials_path:
       credentials_path = os.path.join(self._base_dir, credentials_path)
@@ skipping 154 matching lines @@
       return self.name
     if not self.is_file:
       return self.url
     all_urls = [p.url.rstrip('/') for p in self.page_set if p.is_file]
     common_prefix = os.path.dirname(os.path.commonprefix(all_urls))
     return self.url[len(common_prefix):].strip('/')
 
   @property
   def archive_path(self):
     return self.page_set.WprFilePathForPage(self)