Add Multi-tab System Health Story

tools/perf/benchmarks/tab_switching.py

Index: tools/perf/benchmarks/tab_switching.py
diff --git a/tools/perf/benchmarks/tab_switching.py b/tools/perf/benchmarks/tab_switching.py
index 6962989cf54d46ac905afbc4b47f433169d80dff..9756bb0ff78b41fcfbb89f455442a5e283dd14bf 100644
--- a/tools/perf/benchmarks/tab_switching.py
+++ b/tools/perf/benchmarks/tab_switching.py
@@ -21,7 +21,7 @@ class TabSwitchingTop10(perf_benchmark.PerfBenchmark):
   metric. The pages were chosen from Alexa top ranking sites.
   """
   test = tab_switching.TabSwitching
-  page_set = page_sets.Top10PageSet
+  page_set = page_sets.MultiTabTop10StorySet
 
   @classmethod
   def Name(cls):
@@ -44,9 +44,7 @@ class TabSwitchingTypical25(perf_benchmark.PerfBenchmark):
   metric. The pages were chosen from Alexa top ranking sites.
   """
   test = tab_switching.TabSwitching
-
-  def CreateStorySet(self, options):
-    return page_sets.Typical25PageSet(run_no_page_interactions=True)
+  page_set = page_sets.MultiTabTypical24StorySet
 
   @classmethod
   def Name(cls):
@@ -69,7 +67,7 @@ class TabSwitchingFiveBlankTabs(perf_benchmark.PerfBenchmark):
   records the metric. Blank pages are use to detect unnecessary idle wakeups.
   """
   test = tab_switching.TabSwitching
-  page_set = page_sets.FiveBlankPagesPageSet
+  page_set = page_sets.MultiTabFiveBlankPagesStorySet
   options = {'pageset_repeat': 10}
 
   @classmethod
@@ -94,7 +92,7 @@ class TabSwitchingToughEnergyCases(perf_benchmark.PerfBenchmark):
   records the metric. The pages were written by hand to stress energy usage.
   """
   test = tab_switching.TabSwitching
-  page_set = page_sets.ToughEnergyCasesPageSet
+  page_set = page_sets.MultiTabToughEnergyCasesStorySet
   options = {'pageset_repeat': 10}
 
   @classmethod
@@ -117,7 +115,7 @@ class TabSwitchingToughImageCases(perf_benchmark.PerfBenchmark):
   metric. The pages were chosen by hand to stress the image decoding system.
   """
   test = tab_switching.TabSwitching
-  page_set = page_sets.ToughImageCasesPageSet
+  page_set = page_sets.MultiTabToughImageCasesStorySet
 
   @classmethod
   def Name(cls):