Port hw_accel_feature and screenshot_sync tests to new harness.

content/test/gpu/gpu_tests/hardware_accelerated_feature.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.
-from gpu_tests import gpu_test_base
-import gpu_tests.hardware_accelerated_feature_expectations as hw_expectations
-
-from telemetry.page import legacy_page_test
-from telemetry.story import story_set as story_set_module
-
-test_harness_script = r"""
-  function VerifyHardwareAccelerated(feature) {
-    feature += ': '
-    var list = document.querySelector('.feature-status-list');
-    for (var i=0; i < list.childElementCount; i++) {
-      var span_list = list.children[i].getElementsByTagName('span');
-      var feature_str = span_list[0].textContent;
-      var value_str = span_list[1].textContent;
-      if ((feature_str == feature) &&
-          (value_str == 'Hardware accelerated')) {
-        return true;
-      }
-    }
-    return false;
-  };
-"""
-
-class HardwareAcceleratedFeatureValidator(gpu_test_base.ValidatorBase):
-  def ValidateAndMeasurePage(self, page, tab, results):
-    feature = page.feature
-    if not tab.EvaluateJavaScript('VerifyHardwareAccelerated("%s")' % feature):
-      print 'Test failed. Printing page contents:'
-      print tab.EvaluateJavaScript('document.body.innerHTML')
-      raise legacy_page_test.Failure('%s not hardware accelerated' % feature)
-
-def safe_feature_name(feature):
-  return feature.lower().replace(' ', '_')
-
-class ChromeGpuPage(gpu_test_base.PageBase):
-  def __init__(self, story_set, feature, expectations):
-    super(ChromeGpuPage, self).__init__(
-      url='chrome://gpu', page_set=story_set, base_dir=story_set.base_dir,
-      name=('HardwareAcceleratedFeature.%s_accelerated' %
-            safe_feature_name(feature)),
-      expectations=expectations)
-    self.feature = feature
-    self.script_to_evaluate_on_commit = test_harness_script
-
-class HardwareAcceleratedFeature(gpu_test_base.TestBase):
-  """Tests GPU acceleration is reported as active for various features"""
-  test = HardwareAcceleratedFeatureValidator
-
-  @classmethod
-  def Name(cls):
-    return 'hardware_accelerated_feature'
-
-  def _CreateExpectations(self):
-    return hw_expectations.HardwareAcceleratedFeatureExpectations()
-
-  def CreateStorySet(self, options):
-    features = ['WebGL', 'Canvas']
-
-    ps = story_set_module.StorySet()
-
-    for feature in features:
-      ps.AddStory(ChromeGpuPage(story_set=ps, feature=feature,
-                                expectations=self.GetExpectations()))
-    return ps