Four new pages added to tough_scheduling_cases

tools/perf/page_sets/tough_scheduling_cases.py

Index: tools/perf/page_sets/tough_scheduling_cases.py
diff --git a/tools/perf/page_sets/tough_scheduling_cases.py b/tools/perf/page_sets/tough_scheduling_cases.py
index 2cc7ca6f4dff4c7624feb3987dacd72f50bd5efc..89f7fb5db77c518818efd26051051281f716ebe6 100644
--- a/tools/perf/page_sets/tough_scheduling_cases.py
+++ b/tools/perf/page_sets/tough_scheduling_cases.py
@@ -371,7 +371,8 @@ class ToughSchedulingCasesPageSet(page_set_module.PageSet):
   """ Tough scheduler latency test cases """
 
   def __init__(self):
-    super(ToughSchedulingCasesPageSet, self).__init__()
+    super(ToughSchedulingCasesPageSet, self).__init__(
+        archive_data_file='data/tough_scheduling_cases.json')
 
     # Why: Simple scrolling baseline
     self.AddPage(ToughSchedulingCasesPage(
@@ -465,3 +466,14 @@ class ToughSchedulingCasesPageSet(page_set_module.PageSet):
       page_set=self))
     # Why: For measuring the latency of scroll-synchronized effects.
     self.AddPage(SynchronizedScrollOffsetPage(page_set=self))
+
+    real_pages_url_list = [
+        'http://www.latimes.com',
+        ('http://io9.com/the-10-most-shocking-characters-that-george-r-r-' +
+         'martin-1579481155/+tinaamini'),
+        'http://ftw.usatoday.com/2014/05/spelling-bee-rules-shenanigans',
+        'http://m.espn.go.com/nhl/rankings'
+    ]
+
+    for url in real_pages_url_list:
+      self.AddPage(ToughSchedulingCasesPage(url, self))