Disabled netsim page cycler on mac due to redness/flakiness

tools/perf/benchmarks/page_cycler.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 measurements import page_cycler
 import page_sets
 from telemetry import benchmark
 
 
 class _PageCycler(benchmark.Benchmark):
@@ skipping 55 matching lines @@
   page_set = page_sets.MorejsPageSet
 
 
 # This is an old page set, we intend to remove it after more modern benchmarks
 # work on CrOS.
 @benchmark.Enabled('chromeos')
 class PageCyclerMoz(_PageCycler):
   page_set = page_sets.MozPageSet
 
 
-@benchmark.Disabled('linux', 'win')  # crbug.com/353260
+@benchmark.Disabled('linux', 'win', 'mac')  # crbug.com/353260
 class PageCyclerNetsimTop10(_PageCycler):
   """Measures load time of the top 10 sites under simulated cable network."""
   tag = 'netsim'
   page_set = page_sets.Top10PageSet
   options = {
       'cold_load_percent': 100,
       'extra_wpr_args_as_string': '--shaping_type=proxy --net=cable',
       'pageset_repeat': 6,
   }
 
@@ skipping 20 matching lines @@
 @benchmark.Disabled('android')  # crbug.com/357326
 class PageCyclerToughLayoutCases(_PageCycler):
   page_set = page_sets.ToughLayoutCasesPageSet
 
 
 # crbug.com/273986: This test is really flakey on xp.
 # cabug.com/341843: This test is always timing out on Android.
 @benchmark.Disabled('android', 'win')
 class PageCyclerTypical25(_PageCycler):
   page_set = page_sets.Typical25PageSet