[battor benchmark] Enable Chrome tracing in the BattOr benchmark

tools/perf/benchmarks/battor.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.
 
 from core import perf_benchmark
 from telemetry.web_perf import timeline_based_measurement
 import page_sets
 
 
 class _BattOrBenchmark(perf_benchmark.PerfBenchmark):
 
   def CreateTimelineBasedMeasurementOptions(self):
     options = timeline_based_measurement.Options()
     options.config.enable_battor_trace = True
-    # TODO(rnephew): Enable chrome trace when clock syncs work well with it.
-    options.config.enable_chrome_trace = False
+    options.config.enable_chrome_trace = True
+    options.config.SetMinimalOverheadFilter()
     options.SetTimelineBasedMetric('powerMetric')
     return options
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
     # Only run if BattOr is detected.
     if not possible_browser.platform.HasBattOrConnected():
       return True
 
     # Galaxy S5s have problems with running system health metrics.
     # http://crbug.com/600463
     galaxy_s5_type_name = 'SM-G900H'
     return possible_browser.platform.GetDeviceTypeName() == galaxy_s5_type_name
 
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True
 
 
 class BattOrPowerMobileSites(_BattOrBenchmark):
   page_set = page_sets.power_cases.PowerCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'BattOr.BattOrCases'
-