perf: Re-enable latimes.com in tough_ad_cases

tools/perf/page_sets/tough_ad_cases.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.
 
 from page_sets import repeatable_synthesize_scroll_gesture_shared_state
 
 from telemetry.page import page as page_module
 from telemetry import story
 
 
@@ skipping 161 matching lines @@
     super(ToughAdCasesPageSet, self).__init__(
         archive_data_file='data/tough_ad_cases.json',
         cloud_storage_bucket=story.INTERNAL_BUCKET)
 
     self.AddStory(AdPage('file://tough_ad_cases/'
         'swiffy_collection.html', self, make_javascript_deterministic=False,
         y_scroll_distance_multiplier=0.25, scroll=scroll))
     self.AddStory(AdPage('file://tough_ad_cases/'
         'swiffy_webgl_collection.html',
         self, make_javascript_deterministic=False, scroll=scroll))
-    # crbug.com/618708
-    # self.AddStory(AdPage('http://www.latimes.com', self, scroll=scroll,
-    #     wait_for_interactive_or_better=True))
+    self.AddStory(AdPage('http://www.latimes.com', self, scroll=scroll,
+        wait_for_interactive_or_better=True))
     self.AddStory(ForbesAdPage('http://www.forbes.com/sites/parmyolson/'
         '2015/07/29/jana-mobile-data-facebook-internet-org/',
         self, scroll=scroll))
     self.AddStory(AdPage('http://androidcentral.com', self, scroll=scroll,
         wait_for_interactive_or_better=True))
     self.AddStory(AdPage('http://mashable.com', self, scroll=scroll,
         y_scroll_distance_multiplier=0.25))
     self.AddStory(AdPage('http://www.androidauthority.com/'
         'reduce-data-use-turn-on-data-compression-in-chrome-630064/', self,
         scroll=scroll))
@@ skipping 10 matching lines @@
     self.AddStory(AdPage('http://androidpolice.com', self, scroll=scroll,
         wait_for_interactive_or_better=True))
 
 
 class ScrollingToughAdCasesPageSet(ToughAdCasesPageSet):
   """Pages for measuring scrolling performance with advertising content."""
 
   def __init__(self):
     super(ScrollingToughAdCasesPageSet, self).__init__(
         scroll=True)