mac: Expose keychain access frequency to Telemetry.

tools/perf/measurements/smoothness.py

Index: tools/perf/measurements/smoothness.py
diff --git a/tools/perf/measurements/smoothness.py b/tools/perf/measurements/smoothness.py
index 406b32120225dcd85d39e55ff6d6e3778fbae755..db3eaf34995bee459f008f246f417dffd8fdd012 100644
--- a/tools/perf/measurements/smoothness.py
+++ b/tools/perf/measurements/smoothness.py
@@ -2,24 +2,27 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from metrics import power
+from measurements import PageTestMeasurement
 from measurements import smoothness_controller
-from telemetry.page import page_test
-
+from metrics import power
 
-class Smoothness(page_test.PageTest):
+class Smoothness(PageTestMeasurement):
   def __init__(self):
     super(Smoothness, self).__init__('RunSmoothness')
     self._power_metric = None
     self._smoothness_controller = None
 
   @classmethod
-  def CustomizeBrowserOptions(cls, options):
+  def CustomizeBrowserOptionsClass(cls, options):
     options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
     options.AppendExtraBrowserArgs('--touch-events=enabled')
     options.AppendExtraBrowserArgs('--running-performance-benchmark')
     power.PowerMetric.CustomizeBrowserOptions(options)
 
+  def CustomizeBrowserOptions(self, options):
+    super(Smoothness, self).CustomizeBrowserOptions(options)
+    Smoothness.CustomizeBrowserOptionsClass(options)
+
   def WillStartBrowser(self, platform):
     self._power_metric = power.PowerMetric(platform)
 
@@ -36,6 +39,7 @@ class Smoothness(page_test.PageTest):
     self._smoothness_controller.Stop(tab)
 
   def ValidateAndMeasurePage(self, page, tab, results):
+    super(Smoothness, self).ValidateAndMeasurePage(page, tab, results)
     self._power_metric.AddResults(tab, results)
     self._smoothness_controller.AddResults(tab, results)