mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/html5gaming.py

Index: tools/perf/benchmarks/html5gaming.py
diff --git a/tools/perf/benchmarks/html5gaming.py b/tools/perf/benchmarks/html5gaming.py
index 52060f01478169f1ed4da9429dd0287db52c158c..a7d7c8627611d38d6d18efc28ef24f6ed0bcccea 100644
--- a/tools/perf/benchmarks/html5gaming.py
+++ b/tools/perf/benchmarks/html5gaming.py
@@ -12,14 +12,14 @@ score is a indicator for the browser's ability to smoothly run HTML5 games."""
 
 import os
 
+from measurements import PageTestMeasurement
 from telemetry import benchmark
 from telemetry.page import page_set
-from telemetry.page import page_test
 from telemetry.value import scalar
 
 
-class _HTML5GamingMeasurement(page_test.PageTest):
-  def ValidateAndMeasurePage(self, _, tab, results):
+class _HTML5GamingMeasurement(PageTestMeasurement):
+  def ValidateAndMeasurePage(self, page, tab, results):
     tab.ExecuteJavaScript('benchmark();')
     # Default value of score element is 87485, its value is updated with actual
     # score when test finish.
@@ -29,7 +29,8 @@ class _HTML5GamingMeasurement(page_test.PageTest):
         'document.getElementById("score").innerHTML'))
     results.AddValue(
         scalar.ScalarValue(results.current_page, 'Score', 'score', result))
-
+    super(_HTML5GamingMeasurement, self).ValidateAndMeasurePage(
+        page, tab, results)
 
 
 @benchmark.Disabled