[PerfBotSherrif] Rename OS name for disabled startup benchmark

tools/perf/benchmarks/startup.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 startup
 import page_sets
 from telemetry import benchmark
 
 
@@ skipping 43 matching lines @@
   tag = 'warm'
   page_set = page_sets.BlankPageSet
 
   @classmethod
   def Name(cls):
     return 'startup.warm.blank_page'
 
 
 @benchmark.Disabled('reference',                   # http://crbug.com/476882
                     'android',                     # http://crbug.com/481919
-                    'snowleopard',                 # http://crbug.com/605485
+                    'yosemite',                 # http://crbug.com/605485
                     'content-shell')               # No pregenerated profiles.
 class StartupLargeProfileColdBlankPage(_StartupCold):
   """Measures cold startup time with a large profile."""
   tag = 'cold'
   page_set = page_sets.BlankPageSetWithLargeProfile
   options = {'pageset_repeat': 3}
 
   def __init__(self, max_failures=None):
     super(StartupLargeProfileColdBlankPage, self).__init__(max_failures)
 
   def SetExtraBrowserOptions(self, options):
     options.browser_startup_timeout = 10 * 60
 
   @classmethod
   def Name(cls):
     return 'startup.large_profile.cold.blank_page'
 
 
 @benchmark.Disabled('reference',                   # http://crbug.com/476882
                     'android',                     # http://crbug.com/481919
-                    'snowleopard',                 # http://crbug.com/605485
+                    'yosemite',                 # http://crbug.com/605485
                     'content-shell')               # No pregenerated profiles.
 class StartupLargeProfileWarmBlankPage(_StartupWarm):
   """Measures warm startup time with a large profile."""
   tag = 'warm'
   page_set = page_sets.BlankPageSetWithLargeProfile
   options = {'pageset_repeat': 4}
 
   def __init__(self, max_failures=None):
     super(StartupLargeProfileWarmBlankPage, self).__init__(max_failures)
 
   def SetExtraBrowserOptions(self, options):
     options.browser_startup_timeout = 10 * 60
 
   @classmethod
   def Name(cls):
     return 'startup.large_profile.warm.blank_page'