mac: Expose keychain access frequency to Telemetry.

tools/perf/measurements/page_cycler_unittest.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.
 
 import unittest
 
 from telemetry.core import browser_options
 from telemetry.page import page_runner
 from telemetry.results import page_test_results
 from telemetry.unittest import simple_mock
@@ skipping 78 matching lines @@
   def GetOSName(self):
     return 'fake'
   def CanMonitorPower(self):
     return False
 
 
 class PageCyclerUnitTest(unittest.TestCase):
 
   def SetUpCycler(self, args, setup_memory_module=False):
     cycler = page_cycler.PageCycler()
+    cycler.SetInUnitTest()
     options = browser_options.BrowserFinderOptions()
     options.browser_options.platform = FakePlatform()
     parser = options.CreateParser()
     page_runner.AddCommandLineArgs(parser)
     cycler.AddCommandLineArgs(parser)
     cycler.SetArgumentDefaults(parser)
     parser.parse_args(args)
     page_runner.ProcessCommandLineArgs(parser, options)
     cycler.ProcessCommandLineArgs(parser, options)
     cycler.CustomizeBrowserOptions(options.browser_options)
@@ skipping 121 matching lines @@
     # does an initial navigate to avoid paying for a cross-renderer navigation.
     cycler = self.SetUpCycler([], True)
     pages = [FakePage('file://fakepage1.com'), FakePage('file://fakepage2.com')]
     tab = FakeTab()
 
     self.assertEqual([], tab.navigated_urls)
     for page in pages * 2:
       cycler.WillNavigateToPage(page, tab)
       self.assertEqual(
           ['http://fakeserver:99999/nonexistent.html'], tab.navigated_urls)