[tools/perf] Remove smoothness.tough_scrolling_while_zoomed_in_cases benchmark

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.
 import multiprocessing
 
 from core import perf_benchmark
 
 from benchmarks import silk_flags
 from measurements import smoothness
 import page_sets
@@ skipping 310 matching lines @@
 
   @classmethod
   def Name(cls):
     return 'smoothness.gpu_rasterization.tough_pinch_zoom_cases'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
     return cls.IsSvelte(possible_browser)  # http://crbug.com/564008
 
 
-@benchmark.Enabled('android', 'chromeos')
-class SmoothnessToughScrollingWhileZoomedInCases(_Smoothness):
-  """Measures rendering statistics for pinch-zooming then diagonal scrolling"""
-  page_set = page_sets.ToughScrollingWhileZoomedInCasesPageSet
-
-  @classmethod
-  def Name(cls):
-    return 'smoothness.tough_scrolling_while_zoomed_in_cases'
-
-
 @benchmark.Enabled('android')
 class SmoothnessGpuRasterizationPolymer(_Smoothness):
   """Measures rendering statistics for the Polymer cases with GPU rasterization.
   """
   tag = 'gpu_rasterization'
   page_set = page_sets.PolymerPageSet
 
   def SetExtraBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForGpuRasterization(options)
 
@@ skipping 129 matching lines @@
   """Measures rendering statistics while scrolling advertisements."""
   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