mac: Expose keychain access frequency to Telemetry.

tools/perf/benchmarks/indexeddb_perf.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Runs Chromium's IndexedDB performance test. These test:
 
 Databases:
   create/delete
 Keys:
   create/delete
 Indexes:
   create/delete
 Data access:
   Random read/write
   Read cache
 Cursors:
   Read & random writes
   Walking multiple
   Seeking.
 """
 
 import json
 import os
 
+from measurements import PageTestMeasurement
 from metrics import memory
 from metrics import power
 from metrics import v8_object_stats
 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 scalar
 
 _V8_COUNTER_NAMES = [
     'V8.OsMemoryAllocated',
   ]
 
-class _IndexedDbMeasurement(page_test.PageTest):
+class _IndexedDbMeasurement(PageTestMeasurement):
   def __init__(self, *args, **kwargs):
     super(_IndexedDbMeasurement, self).__init__(*args, **kwargs)
     self._memory_metric = None
     self._power_metric = None
     self._v8_object_stats_metric = None
 
   def WillStartBrowser(self, platform):
     """Initialize metrics once right before the browser has been launched."""
     self._power_metric = power.PowerMetric(platform)
 
@@ skipping 27 matching lines @@
     for key in result_dict:
       if key == 'OverallTestDuration':
         continue
       msec = float(result_dict[key])
       results.AddValue(scalar.ScalarValue(
           results.current_page, key, 'ms', msec, important=False))
 
       total += msec
     results.AddValue(scalar.ScalarValue(
         results.current_page, 'Total Perf', 'ms', total))
+    super(_IndexedDbMeasurement, self).ValidateAndMeasurePage(
+        page, tab, results)
 
 
   def CustomizeBrowserOptions(self, options):
+    super(_IndexedDbMeasurement, self).CustomizeBrowserOptions(options)
     memory.MemoryMetric.CustomizeBrowserOptions(options)
     power.PowerMetric.CustomizeBrowserOptions(options)
     v8_object_stats.V8ObjectStatsMetric.CustomizeBrowserOptions(options)
 
 class IndexedDb(benchmark.Benchmark):
   """Chromium's IndexedDB Performance tests."""
   test = _IndexedDbMeasurement
 
   def CreatePageSet(self, options):
     indexeddb_dir = os.path.join(util.GetChromiumSrcDir(), 'chrome', 'test',
                                  'data', 'indexeddb')
     ps = page_set.PageSet(file_path=indexeddb_dir)
     ps.AddPageWithDefaultRunNavigate('file://perf_test.html')
     return ps