mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/speedometer.py

Index: tools/perf/benchmarks/speedometer.py
diff --git a/tools/perf/benchmarks/speedometer.py b/tools/perf/benchmarks/speedometer.py
index 639631c9c46039c8aa63870aba40a83e099f25cf..aec6083ce53a3fbd288316999ad139a88410637e 100644
--- a/tools/perf/benchmarks/speedometer.py
+++ b/tools/perf/benchmarks/speedometer.py
@@ -18,6 +18,7 @@ engine, CSS style resolution, layout, and other technologies.
 
 import os
 
+from metrics import keychain_metric
 from telemetry import benchmark
 from telemetry.page import page_set
 from telemetry.page import page_test
@@ -35,6 +36,9 @@ class SpeedometerMeasurement(page_test.PageTest):
     'FlightJS-TodoMVC'
   ]
 
+  def CustomizeBrowserOptions(self, options):
+    keychain_metric.KeychainMetric.CustomizeBrowserOptions(options)
+
   def ValidateAndMeasurePage(self, page, tab, results):
     tab.WaitForDocumentReadyStateToBeComplete()
     iterationCount = 10
@@ -71,6 +75,7 @@ class SpeedometerMeasurement(page_test.PageTest):
               };
               suite_times;
               """ % suite_name), important=False))
+    keychain_metric.KeychainMetric().AddResults(tab, results)
 
 class Speedometer(benchmark.Benchmark):
   test = SpeedometerMeasurement