perf: Add a power benchmark for pages with heavy ads

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 core import perf_benchmark
 
 from benchmarks import silk_flags
 from measurements import smoothness
 import page_sets
 import page_sets.key_silk_cases
@@ skipping 451 matching lines @@
 class SmoothnessToughTextureUploadCases(_Smoothness):
   page_set = page_sets.ToughTextureUploadCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_texture_upload_cases'
 
 
 class SmoothnessToughAdCases(_Smoothness):
   """Measures rendering statistics while displaying advertisements."""
-  page_set = page_sets.ToughAdCasesPageSet
+  page_set = page_sets.SyntheticToughAdCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_ad_cases'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
     return cls.IsSvelte(possible_browser)  # http://crbug.com/555089
 
 # http://crbug.com/522619 (mac/win)
@@ skipping 17 matching lines @@
     # Don't accidentally reload the page while scrolling.
     options.AppendExtraBrowserArgs('--disable-pull-to-refresh-effect')
 
   @classmethod
   def Name(cls):
     return 'smoothness.bidirectionally_scrolling_tough_ad_cases'
 
 
 class SmoothnessToughWebGLAdCases(_Smoothness):
   """Measures rendering statistics while scrolling advertisements."""
-  page_set = page_sets.ToughWebglAdCasesPageSet
+  page_set = page_sets.SyntheticToughWebglAdCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_webgl_ad_cases'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
     return cls.IsSvelte(possible_browser)  # http://crbug.com/574485