mac: Expose keychain access frequency to Telemetry.

tools/perf/measurements/record_per_area.py

Index: tools/perf/measurements/record_per_area.py
diff --git a/tools/perf/measurements/record_per_area.py b/tools/perf/measurements/record_per_area.py
index 0804addd1e91476204405d29c3cc8af4603dbee3..0ba0b92f3771d1d74097324e8801c6d4af8c0593 100644
--- a/tools/perf/measurements/record_per_area.py
+++ b/tools/perf/measurements/record_per_area.py
@@ -4,12 +4,12 @@
 
 import time
 
+from measurements import PageTestMeasurement
 from measurements import smoothness
-from telemetry.page import page_test
 from telemetry.value import scalar
 
 
-class RecordPerArea(page_test.PageTest):
+class RecordPerArea(PageTestMeasurement):
   def __init__(self):
     super(RecordPerArea, self).__init__('', True)
 
@@ -20,7 +20,8 @@ class RecordPerArea(page_test.PageTest):
                       '(must be long enought to load all content)')
 
   def CustomizeBrowserOptions(self, options):
-    smoothness.Smoothness.CustomizeBrowserOptions(options)
+    super(RecordPerArea, self).CustomizeBrowserOptions(options)
+    smoothness.Smoothness.CustomizeBrowserOptionsClass(options)
     options.AppendExtraBrowserArgs([
         '--enable-impl-side-painting',
         '--enable-threaded-compositing',
@@ -32,6 +33,8 @@ class RecordPerArea(page_test.PageTest):
     # Needs to be adjusted for every device (~2 seconds for workstation).
     time.sleep(self.options.start_wait_time)
 
+    super(RecordPerArea, self).ValidateAndMeasurePage(page, tab, results)
+
     # Enqueue benchmark
     tab.ExecuteJavaScript("""
         window.benchmark_results = {};