Shotdown browser cooperatively with taskill on win platform.

content/test/gpu/gpu_tests/gpu_process.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 gpu_process_expectations as expectations
 import page_sets
 
 from telemetry import benchmark
 from telemetry.page import page_set
 from telemetry.page import page_test
 
@@ skipping 19 matching lines @@
   def ValidateAndMeasurePage(self, page, tab, results):
     has_gpu_process_js = 'chrome.gpuBenchmarking.hasGpuProcess()'
     has_gpu_process = tab.EvaluateJavaScript(has_gpu_process_js)
     if not has_gpu_process:
       raise page_test.Failure('No GPU process detected')
 
 class GpuProcess(benchmark.Benchmark):
   """Tests that accelerated content triggers the creation of a GPU process"""
   test = _GpuProcessValidator
 
+  options = {'pageset_repeat': 200}
+
   def CreateExpectations(self):
     return expectations.GpuProcessExpectations()
 
   def CreatePageSet(self, options):
     page_set = page_sets.GpuProcessTestsPageSet()
     for page in page_set.pages:
       page.script_to_evaluate_on_commit = test_harness_script
     return page_set