mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/scirra.py

Index: tools/perf/benchmarks/scirra.py
diff --git a/tools/perf/benchmarks/scirra.py b/tools/perf/benchmarks/scirra.py
index 4b7d05a90464dcef82f2784f801e4ea67e45eaff..2603007b221bf3eae3adb1af3da818149b30f956 100644
--- a/tools/perf/benchmarks/scirra.py
+++ b/tools/perf/benchmarks/scirra.py
@@ -10,18 +10,18 @@ represented onscreen when the animation reaches the 30 FPS threshold.
 
 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 _ScirraMeasurement(page_test.PageTest):
+class _ScirraMeasurement(PageTestMeasurement):
 
   def WillNavigateToPage(self, page, tab):
     page.script_to_evaluate_on_commit = 'window.sprites = 0;'
 
-  def ValidateAndMeasurePage(self, _, tab, results):
+  def ValidateAndMeasurePage(self, page, tab, results):
     object_count = '$objectcount$'
     fps = '$fps$'
     tickcount = '$tickcount$'
@@ -50,6 +50,7 @@ class _ScirraMeasurement(page_test.PageTest):
     total = int(tab.EvaluateJavaScript('window.sprites'))
     results.AddValue(scalar.ScalarValue(
       results.current_page, 'Count', 'count', total))
+    super(_ScirraMeasurement, self).ValidateAndMeasurePage(page, tab, results)
 
 @benchmark.Disabled
 class ScirraBenchmark(benchmark.Benchmark):