mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/spaceport.py

Index: tools/perf/benchmarks/spaceport.py
diff --git a/tools/perf/benchmarks/spaceport.py b/tools/perf/benchmarks/spaceport.py
index 21273ec5da736906b223316a6afb2ec45b7543c4..fc7487ef4fd1467867799c2bb074d2c81063e304 100644
--- a/tools/perf/benchmarks/spaceport.py
+++ b/tools/perf/benchmarks/spaceport.py
@@ -7,10 +7,10 @@
 import logging
 import os
 
+from measurements import PageTestMeasurement
 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 list_of_scalar_values
 from telemetry.value import scalar
 
@@ -46,11 +46,12 @@ DESCRIPTIONS = {
 }
 
 
-class _SpaceportMeasurement(page_test.PageTest):
+class _SpaceportMeasurement(PageTestMeasurement):
   def __init__(self):
     super(_SpaceportMeasurement, self).__init__()
 
   def CustomizeBrowserOptions(self, options):
+    super(_SpaceportMeasurement, self).CustomizeBrowserOptions(options)
     options.AppendExtraBrowserArgs('--disable-gpu-vsync')
 
   def ValidateAndMeasurePage(self, page, tab, results):
@@ -90,6 +91,8 @@ class _SpaceportMeasurement(page_test.PageTest):
         results.current_page, 'Score', 'objects (bigger is better)',
         [float(x) for x in result_dict.values()],
         description='Combined score for all parts of the spaceport benchmark.'))
+    super(_SpaceportMeasurement, self).ValidateAndMeasurePage(
+        page, tab, results)
 
 
 # crbug.com/166703: This test frequently times out on Windows.