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 edcc2f1ec0fe2da357e9f477e7e92110466512ce..b530998457f87c9ffe483ddaab367248d787b57f 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 import page as page_module
 from telemetry.page import page_set
@@ -40,6 +41,9 @@ class SpeedometerMeasurement(page_test.PageTest):
     super(SpeedometerMeasurement, self).__init__(
         action_name_to_run='RunPageInteractions')
 
+  def CustomizeBrowserOptions(self, options):
+    keychain_metric.KeychainMetric.CustomizeBrowserOptions(options)
+
   def ValidateAndMeasurePage(self, page, tab, results):
     tab.WaitForDocumentReadyStateToBeComplete()
     iterationCount = 10
@@ -76,6 +80,7 @@ class SpeedometerMeasurement(page_test.PageTest):
               };
               suite_times;
               """ % suite_name), important=False))
+    keychain_metric.KeychainMetric().AddResults(tab, results)
 
 class Speedometer(benchmark.Benchmark):
   test = SpeedometerMeasurement