Disable page_cycler.intl_ko_th_vi.referehce on Mac 10.*

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 core import perf_benchmark
 
 from measurements import page_cycler
 import page_sets
 from telemetry import benchmark
 
@@ skipping 101 matching lines @@
 
   Runs against pages recorded in April, 2013.
   """
   page_set = page_sets.IntlKoThViPageSet
 
   @classmethod
   def Name(cls):
     return 'page_cycler.intl_ko_th_vi'
 
   @classmethod
-  def ShouldDisable(cls, possible_browser):  # http://crbug.com/597656
-      return (possible_browser.browser_type == 'reference' and
-              possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X')
+  def ShouldDisable(cls, possible_browser):
+    # http://crbug.com/597656 (Android Nexus 5X).
+    # http://crbug.com/605543 (Mac Snow Leopard).
+    return (possible_browser.browser_type == 'reference' and (
+              possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X' or
+              possible_browser.platform.GetOSVersionName() == 'snowleopard'))
 
 
 class PageCyclerMorejs(_PageCycler):
   """Page load for a variety of pages that were JavaScript heavy in 2009."""
   page_set = page_sets.MorejsPageSet
 
   @classmethod
   def Name(cls):
     return 'page_cycler.morejs'
 
@@ skipping 98 matching lines @@
     return 'page_cycler.basic_oopif'
 
 
 @benchmark.Disabled('all')  # crbug.com/443730
 class PageCyclerBigJs(_PageCycler):
   page_set = page_sets.BigJsPageSet
 
   @classmethod
   def Name(cls):
     return 'page_cycler.big_js'