mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/indexeddb_perf.py

Index: tools/perf/benchmarks/indexeddb_perf.py
diff --git a/tools/perf/benchmarks/indexeddb_perf.py b/tools/perf/benchmarks/indexeddb_perf.py
index 8db9e54b97c0acd88c1a59be89313fe4501ca26f..12f7740e397b4daf34f09a4840751846215a8f5f 100644
--- a/tools/perf/benchmarks/indexeddb_perf.py
+++ b/tools/perf/benchmarks/indexeddb_perf.py
@@ -22,20 +22,20 @@ Cursors:
 import json
 import os
 
+from measurements import PageTestMeasurement
 from metrics import memory
 from metrics import power
 from metrics import v8_object_stats
 from telemetry import benchmark
 from telemetry.core import util
 from telemetry.page import page_set
-from telemetry.page import page_test
 from telemetry.value import scalar
 
 _V8_COUNTER_NAMES = [
     'V8.OsMemoryAllocated',
   ]
 
-class _IndexedDbMeasurement(page_test.PageTest):
+class _IndexedDbMeasurement(PageTestMeasurement):
   def __init__(self, *args, **kwargs):
     super(_IndexedDbMeasurement, self).__init__(*args, **kwargs)
     self._memory_metric = None
@@ -83,9 +83,12 @@ class _IndexedDbMeasurement(page_test.PageTest):
       total += msec
     results.AddValue(scalar.ScalarValue(
         results.current_page, 'Total Perf', 'ms', total))
+    super(_IndexedDbMeasurement, self).ValidateAndMeasurePage(
+        page, tab, results)
 
 
   def CustomizeBrowserOptions(self, options):
+    super(_IndexedDbMeasurement, self).CustomizeBrowserOptions(options)
     memory.MemoryMetric.CustomizeBrowserOptions(options)
     power.PowerMetric.CustomizeBrowserOptions(options)
     v8_object_stats.V8ObjectStatsMetric.CustomizeBrowserOptions(options)