[tools/perf] Reference legacy_page_test module instead of page_test

tools/perf/benchmarks/service_worker.py

 # Copyright 2014 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 collections
 import page_sets
 import re
 
 from core import perf_benchmark
 
 from telemetry.core import util
-from telemetry.page import page_test
+from telemetry.page import legacy_page_test
 from telemetry.timeline import async_slice as async_slice_module
 from telemetry.timeline import slice as slice_module
 from telemetry.value import scalar
 
 from measurements import timeline_controller
 from metrics import speedindex
 
 
 class _ServiceWorkerTimelineMetric(object):
 
@@ skipping 55 matching lines @@
 
     full_name = thread_name + '|' + sanitized_event_name
     results.AddValue(scalar.ScalarValue(
         results.current_page, full_name, 'ms', total))
     results.AddValue(scalar.ScalarValue(
         results.current_page, full_name + '_max', 'ms', biggest_jank))
     results.AddValue(scalar.ScalarValue(
         results.current_page, full_name + '_avg', 'ms', total / len(times)))
 
 
-class _ServiceWorkerMeasurement(page_test.PageTest):
+class _ServiceWorkerMeasurement(legacy_page_test.LegacyPageTest):
   """Measure Speed Index and TRACE_EVENTs"""
 
   def __init__(self):
     super(_ServiceWorkerMeasurement, self).__init__()
     self._timeline_controller = timeline_controller.TimelineController()
     self._speed_index = speedindex.SpeedIndexMetric()
     self._page_open_times = collections.defaultdict(int)
 
   def DidRunPage(self, platform):
     if platform.tracing_controller.is_tracing_running:
@@ skipping 36 matching lines @@
     self._page_open_times[url] += 1
     if self._page_open_times[url] == 1:
       chart_prefix += '_1st'
     elif self._page_open_times[url] == 2:
       chart_prefix += '_2nd'
     else:
       chart_prefix += '_later'
     self._speed_index.AddResults(tab, results, chart_prefix)
 
 
-class _ServiceWorkerMicroBenchmarkMeasurement(page_test.PageTest):
+class _ServiceWorkerMicroBenchmarkMeasurement(legacy_page_test.LegacyPageTest):
   """Record results reported by the JS microbenchmark."""
 
   def __init__(self):
     super(_ServiceWorkerMicroBenchmarkMeasurement, self).__init__()
 
   def ValidateAndMeasurePage(self, page, tab, results):
     tab.WaitForJavaScriptExpression('window.done', 40)
     json = tab.EvaluateJavaScript('window.results || {}')
     for key, value in json.iteritems():
       results.AddValue(scalar.ScalarValue(
@@ skipping 27 matching lines @@
   page_set = page_sets.ServiceWorkerMicroBenchmarkPageSet
 
   @classmethod
   def Name(cls):
     return 'service_worker.service_worker_micro_benchmark'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):  # http://crbug.com/597656
       return (possible_browser.browser_type == 'reference' and
               possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X')