mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/robohornet_pro.py

Index: tools/perf/benchmarks/robohornet_pro.py
diff --git a/tools/perf/benchmarks/robohornet_pro.py b/tools/perf/benchmarks/robohornet_pro.py
index 4709ef1422536e5bf2154494a9b06fd5e191b962..b56a2e25796a4a419ad5af841b72fe15bd6013ea 100644
--- a/tools/perf/benchmarks/robohornet_pro.py
+++ b/tools/perf/benchmarks/robohornet_pro.py
@@ -6,19 +6,20 @@
 
 import os
 
+from measurements import PageTestMeasurement
 from metrics import power
 from telemetry import benchmark
 from telemetry.page import page_set
-from telemetry.page import page_test
 from telemetry.value import scalar
 
 
-class _RobohornetProMeasurement(page_test.PageTest):
+class _RobohornetProMeasurement(PageTestMeasurement):
   def __init__(self):
     super(_RobohornetProMeasurement, self).__init__()
     self._power_metric = None
 
   def CustomizeBrowserOptions(self, options):
+    super(_RobohornetProMeasurement, self).CustomizeBrowserOptions(options)
     power.PowerMetric.CustomizeBrowserOptions(options)
 
   def WillStartBrowser(self, platform):
@@ -39,7 +40,8 @@ class _RobohornetProMeasurement(page_test.PageTest):
     result = int(tab.EvaluateJavaScript('stopTime - startTime'))
     results.AddValue(
         scalar.ScalarValue(results.current_page, 'Total', 'ms', result))
-
+    super(_RobohornetProMeasurement, self).ValidateAndMeasurePage(
+        page, tab, results)
 
 
 class RobohornetPro(benchmark.Benchmark):