[tools/perf] Reference legacy_page_test module instead of page_test

tools/perf/benchmarks/spaceport.py

 # Copyright 2012 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 spaceport.io's PerfMarks benchmark."""
 
 import logging
 import os
 
 from core import path_util
 from core import perf_benchmark
 
 from telemetry import benchmark
 from telemetry import page as page_module
-from telemetry.page import page_test
+from telemetry.page import legacy_page_test
 from telemetry import story
 from telemetry.value import list_of_scalar_values
 from telemetry.value import scalar
 
 DESCRIPTIONS = {
     'canvasDrawImageFullClear':
         'Using a canvas element to render. Bitmaps are blitted to the canvas '
         'using the "drawImage" function and the canvas is fully cleared at '
         'the beginning of each frame.',
     'canvasDrawImageFullClearAlign':
@@ skipping 16 matching lines @@
     'css2dImg':
         'Same as css2dBackground, but using img elements instead of div '
         'elements.',
     'css3dBackground':
         'Same as css2dBackground, but using CSS-3D transforms.',
     'css3dImg':
         'Same as css2dImage but using CSS-3D tranforms.',
 }
 
 
-class _SpaceportMeasurement(page_test.PageTest):
+class _SpaceportMeasurement(legacy_page_test.LegacyPageTest):
 
   def __init__(self):
     super(_SpaceportMeasurement, self).__init__()
 
   def CustomizeBrowserOptions(self, options):
     options.AppendExtraBrowserArgs('--disable-gpu-vsync')
 
   def ValidateAndMeasurePage(self, page, tab, results):
     tab.WaitForJavaScriptExpression(
         '!document.getElementById("start-performance-tests").disabled', 60)
@@ skipping 50 matching lines @@
   @classmethod
   def Name(cls):
     return 'spaceport'
 
   def CreateStorySet(self, options):
     spaceport_dir = os.path.join(path_util.GetChromiumSrcDir(), 'chrome',
                                  'test', 'data', 'third_party', 'spaceport')
     ps = story.StorySet(base_dir=spaceport_dir)
     ps.AddStory(page_module.Page('file://index.html', ps, ps.base_dir))
     return ps