Disable blink_perf.events on x64.

tools/perf/benchmarks/blink_perf.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.
 
 import os
 
 from telemetry import benchmark
 from telemetry.core import util
 from telemetry import page as page_module
 from telemetry.page import page_set
@@ skipping 176 matching lines @@
 
   @classmethod
   def Name(cls):
     return 'blink_perf.dom'
 
   def CreatePageSet(self, options):
     path = os.path.join(BLINK_PERF_BASE_DIR, 'DOM')
     return CreatePageSetFromPath(path, SKIPPED_FILE)
 
 
+@benchmark.Disabled('release_x64')  # http://crbug.com/480999
 class BlinkPerfEvents(benchmark.Benchmark):
   tag = 'events'
   test = _BlinkPerfMeasurement
 
   @classmethod
   def Name(cls):
     return 'blink_perf.events'
 
   def CreatePageSet(self, options):
     path = os.path.join(BLINK_PERF_BASE_DIR, 'Events')
@@ skipping 92 matching lines @@
   tag = 'xml_http_request'
   test = _BlinkPerfMeasurement
 
   @classmethod
   def Name(cls):
     return 'blink_perf.xml_http_request'
 
   def CreatePageSet(self, options):
     path = os.path.join(BLINK_PERF_BASE_DIR, 'XMLHttpRequest')
     return CreatePageSetFromPath(path, SKIPPED_FILE)