Moving yahoo_sport into pathological pageset and adding sync scroll.

tools/perf/benchmarks/smoothness.py

 # Copyright 2013 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 benchmarks import silk_flags
 from measurements import smoothness
 import page_sets
 from telemetry import benchmark
 
 
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 @benchmark.Enabled('android')
 class SmoothnessPathologicalMobileSites(benchmark.Benchmark):
   """Measures task execution statistics while scrolling pathological sites.
   """
   test = smoothness.Smoothness
   page_set = page_sets.PathologicalMobileSitesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.pathological_mobile_sites'
+
+
+@benchmark.Enabled('android')
+class SmoothnessSyncScrollPathologicalMobileSites(benchmark.Benchmark):
+  """Measures task execution statistics while sync-scrolling pathological sites.
+  """
+  tag = 'sync_scroll'
+  test = smoothness.Smoothness
+  page_set = page_sets.PathologicalMobileSitesPageSet
+
+  def CustomizeBrowserOptions(self, options):
+    silk_flags.CustomizeBrowserOptionsForSyncScrolling(options)
+
+  @classmethod
+  def Name(cls):
+    return 'smoothness.sync_scroll.pathological_mobile_sites'