Move make_javascript_deterministic to UserStory.

tools/perf/page_sets/top_desktop_sites_2012Q3_stress.py

 # Copyright 2014 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 page_sets import top_desktop_sites_2012Q3
 
 from telemetry.page import page_set
 from telemetry.page import page
 
 
 class Top2012Q3StressPage(page.Page):
 
   def __init__(self, url, ps):
     super(Top2012Q3StressPage, self).__init__(
         url=url, page_set=ps, credentials_path='data/credentials.json')
-    self.make_javascript_deterministic = True
     self.archive_data_file = 'data/2012Q3.json'
 
   def RunPageInteractions(self, action_runner):
     for _ in xrange(3):
       action_runner.ReloadPage()
       action_runner.Wait(1)
       action_runner.ForceGarbageCollection()
 
 
 class Top2012Q3StressPageSet(page_set.PageSet):
   """ Pages hand-picked from top-lists in Q32012. """
 
   def __init__(self):
     super(Top2012Q3StressPageSet, self).__init__(
-      make_javascript_deterministic=True,
       archive_data_file='data/2012Q3.json',
       bucket=page_set.PARTNER_BUCKET)
 
     for url in top_desktop_sites_2012Q3.TOP_2013_URLS:
       self.AddUserStory(Top2012Q3StressPage(url, self))