mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/octane.py

Index: tools/perf/benchmarks/octane.py
diff --git a/tools/perf/benchmarks/octane.py b/tools/perf/benchmarks/octane.py
index 47917800ff0bb7a983daad2e562fcffd51373363..691deca38c2ce31fea3932f74b74241e7e28d72b 100644
--- a/tools/perf/benchmarks/octane.py
+++ b/tools/perf/benchmarks/octane.py
@@ -13,10 +13,10 @@ Octane 2.0 consists of 17 tests, four more than Octane v1.
 
 import os
 
+from measurements import PageTestMeasurement
 from metrics import power
 from telemetry import benchmark
 from telemetry.page import page_set
-from telemetry.page import page_test
 from telemetry.util import statistics
 from telemetry.value import scalar
 
@@ -64,12 +64,13 @@ DESCRIPTIONS = {
 }
 
 
-class _OctaneMeasurement(page_test.PageTest):
+class _OctaneMeasurement(PageTestMeasurement):
   def __init__(self):
     super(_OctaneMeasurement, self).__init__()
     self._power_metric = None
 
   def CustomizeBrowserOptions(self, options):
+    super(_OctaneMeasurement, self).CustomizeBrowserOptions(options)
     power.PowerMetric.CustomizeBrowserOptions(options)
 
   def WillStartBrowser(self, platform):
@@ -125,6 +126,7 @@ class _OctaneMeasurement(page_test.PageTest):
                            description='Geometric mean of the scores of each '
                                        'individual benchmark in the Octane '
                                        'benchmark collection.'))
+    super(_OctaneMeasurement, self).ValidateAndMeasurePage(page, tab, results)
 
 
 class Octane(benchmark.Benchmark):