Disable top_10_mobile_memory 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 237 matching lines @@
 
   def SetExtraBrowserOptions(self, options):
     super(V8MobileCodeSizeIgnition, self).SetExtraBrowserOptions(options)
     v8_helper.EnableIgnition(options)
 
   @classmethod
   def Name(cls):
     return 'top_10_mobile_memory_ignition'
 
 
-@benchmark.Disabled('reference')
+@benchmark.Disabled('reference',
+                    'mac')        # crbug.com/630854
 class V8MobileCodeSize(_V8MemoryAndCodeSizeBenchmark):
   """Measures V8 heap and code size on mobile web pages.
 
   http://www.chromium.org/developers/design-documents/rendering-benchmarks
   """
 
   @classmethod
   def Name(cls):
     return 'top_10_mobile_memory'
 
@@ skipping 28 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