[system health] Fix load:news:washingtonpost and browse:news:washingtonpost on Nexus9.

tools/perf/benchmarks/system_health.py

 # Copyright 2016 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 re
 
 from core import perf_benchmark
 from telemetry import benchmark
 from telemetry.timeline import chrome_trace_category_filter
 from telemetry.web_perf import timeline_based_measurement
@@ skipping 97 matching lines @@
   """Mobile Chrome Memory System Health Benchmark."""
   PLATFORM = 'mobile'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
     # http://crbug.com/612144
     if (possible_browser.browser_type == 'reference' and
         possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X'):
       return True
 
-    # http://crbug.com/629163
-    if possible_browser.platform.GetDeviceTypeName() == 'Nexus 9':
-      return True
-
     return possible_browser.platform.GetDeviceTypeName() == 'Desktop'
 
 
 @benchmark.Enabled('android-webview')
 class WebviewStartupSystemHealthBenchmark(perf_benchmark.PerfBenchmark):
   """Webview startup time benchmark
 
   Benchmark that measures how long WebView takes to start up
   and load a blank page. Since thie metric only requires the trace
   markers recorded in atrace, Chrome tracing is not enabled for this
   benchmark.
   """
   page_set = page_sets.BlankPageSet
 
   def CreateTimelineBasedMeasurementOptions(self):
     options = timeline_based_measurement.Options()
     options.SetTimelineBasedMetrics(['webviewStartupMetric'])
     options.config.enable_atrace_trace = True
     options.config.enable_chrome_trace = False
     options.config.atrace_config.app_name = 'org.chromium.webview_shell'
     return options
 
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True
 
   @classmethod
   def Name(cls):
     return 'system_health.webview_startup'