Fix page_cycler unittests.

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 measurements import page_cycler
 from telemetry.core import browser_options
 from telemetry.page import page_measurement_results
 from telemetry.unittest import simple_mock
 
@@ skipping 20 matching lines @@
 
 class PageCyclerUnitTest(unittest.TestCase):
 
   # TODO(tonyg): Remove this backfill when we can assume python 2.7 everywhere.
   def assertIn(self, first, second, msg=None):
     self.assertTrue(first in second,
                     msg="'%s' not found in '%s'" % (first, second))
 
   def setupCycler(self, args):
     cycler = page_cycler.PageCycler()
-    options = browser_options.BrowserOptions()
+    options = browser_options.BrowserFinderOptions()
     parser = options.CreateParser()
     cycler.AddCommandLineOptions(parser)
     parser.parse_args(args)
     cycler.CustomizeBrowserOptions(options)
 
     return cycler
 
   def testOptionsColdLoadNoArgs(self):
     cycler = self.setupCycler([])
 
@@ skipping 72 matching lines @@
       results.DidMeasurePage()
       self.assertEqual(num_results+1, len(results.page_results))
       result = results[-1]
       self.assertEqual(result.page, page)
       self.assertEqual(1, len(result.values))
       self.assertEqual(result.values[0].trace_name, 'page_load_time')
       self.assertEqual(result.values[0].units, 'ms')
       self.assertEqual(result.values[0].chart_name,
                        'warm_times' if i < 3 else 'cold_times')
       cycler.DidNavigateToPage(page, tab)