Disable top_10_mobile_memory_ignition on mac.

tools/perf/benchmarks/v8.py

 # Copyright 2014 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 os
 import re
 
 from core import path_util
 from core import perf_benchmark
 from page_sets import google_pages
 
@@ skipping 221 matching lines @@
     # TODO(petrcermak): Remove the 'subsystem' disjunct once
     # https://codereview.chromium.org/2018503002/ lands in Catapult and rolls
     # into Chromium.
     if (('subsystem' in value.name or 'reported_by_chrome' in value.name) and
         'v8' not in value.name):
       return False  # Drop non-V8 values reported by Chrome.
     # Keep dump counts and average+max of process counts, vmstats and v8.
     return not cls._IGNORED_V8_STATS_RE.search(value.name)
 
 
-@benchmark.Disabled('reference')
+@benchmark.Disabled('reference',
+                    'mac')        # crbug.com/630854
 class V8MobileCodeSizeIgnition(_V8MemoryAndCodeSizeBenchmark):
   """Measures V8 heap and code size with ignition enabled on mobile web pages.
 
   http://www.chromium.org/developers/design-documents/rendering-benchmarks
   """
 
   def SetExtraBrowserOptions(self, options):
     super(V8MobileCodeSizeIgnition, self).SetExtraBrowserOptions(options)
     v8_helper.EnableIgnition(options)
 
@@ skipping 44 matching lines @@
       return True
     # http://crbug.com/623576
     if (possible_browser.platform.GetDeviceTypeName() == 'Nexus 5' or
         possible_browser.platform.GetDeviceTypeName() == 'Nexus 7'):
       return True
     return False
 
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True