Add Web Animations perf tests to tough_animation_cases page set

tools/perf/page_sets/tough_animation_cases.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.
 # pylint: disable=W0401,W0614
 from telemetry.page.actions.all_page_actions import *
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class ToughAnimationCasesPage(page_module.Page):
 
   def __init__(self, url, page_set, need_measurement_ready):
     super(ToughAnimationCasesPage, self).__init__(url=url, page_set=page_set)
     self.archive_data_file = 'data/tough_animation_cases.json'
     self._need_measurement_ready = need_measurement_ready
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     if self._need_measurement_ready:
-      action_runner.WaitForJavaScriptCondition('measurementReady')
+      action_runner.WaitForJavaScriptCondition('window.measurementReady')
 
   def RunSmoothness(self, action_runner):
     action_runner.Wait(10)
 
 class ToughAnimationCasesPageSet(page_set_module.PageSet):
 
   """
   Description: A collection of animation performance tests
   """
 
@@ skipping 18 matching lines @@
       # Why: Tests the balls animation implemented with CSS transitions on 2
       # properties.
       'file://tough_animation_cases/balls_css_transition_2_properties.html',
       # Why: Tests the balls animation implemented with CSS transitions on 40
       # properties.
       'file://tough_animation_cases/balls_css_transition_40_properties.html',
       # Why: Tests the balls animation implemented with CSS transitions on all
       # animatable properties.
       'file://tough_animation_cases/balls_css_transition_all_properties.html',
       # pylint: disable=C0301
-      'file://tough_animation_cases/overlay_background_color_css_transitions.html'
+      'file://tough_animation_cases/overlay_background_color_css_transitions.html',
+      # Why: Tests Web Animations running with hundreds of keyframes.
+      'file://tough_animation_cases/web_animations_many_keyframes.html?N=0032',
+      'file://tough_animation_cases/web_animations_many_keyframes.html?N=0100',
+      'file://tough_animation_cases/web_animations_many_keyframes.html?N=0316',
+      'file://tough_animation_cases/web_animations_many_keyframes.html?N=1000',
+      # Why: Tests many Web Animations starting simultaneously.
+      'file://tough_animation_cases/web_animations_simultaneous.html?N=0032',
+      'file://tough_animation_cases/web_animations_simultaneous.html?N=0100',
+      'file://tough_animation_cases/web_animations_simultaneous.html?N=0316',
+      'file://tough_animation_cases/web_animations_simultaneous.html?N=1000',
+      # Why: Tests many Web Animations chaining off the onfinish event.
+      'file://tough_animation_cases/web_animations_staggered_chaining.html?N=0032',
+      'file://tough_animation_cases/web_animations_staggered_chaining.html?N=0100',
+      'file://tough_animation_cases/web_animations_staggered_chaining.html?N=0316',
+      'file://tough_animation_cases/web_animations_staggered_chaining.html?N=1000',
+      # Why: Tests many Web Animations running with infinite iterations.
+      'file://tough_animation_cases/web_animations_staggered_infinite_iterations.html?N=0032',
+      'file://tough_animation_cases/web_animations_staggered_infinite_iterations.html?N=0100',
+      'file://tough_animation_cases/web_animations_staggered_infinite_iterations.html?N=0316',
+      'file://tough_animation_cases/web_animations_staggered_infinite_iterations.html?N=1000',
+      # Why: Tests many Web Animations all starting at different times.
+      'file://tough_animation_cases/web_animations_staggered_triggering.html?N=0032',
+      'file://tough_animation_cases/web_animations_staggered_triggering.html?N=0100',
+      'file://tough_animation_cases/web_animations_staggered_triggering.html?N=0316',
+      'file://tough_animation_cases/web_animations_staggered_triggering.html?N=1000',
     ]
 
     for url in urls_list_one:
       self.AddPage(ToughAnimationCasesPage(url, self,
                                            need_measurement_ready=True))
 
     urls_list_two = [
       # Why: Tests various keyframed animations.
       'file://tough_animation_cases/keyframed_animations.html',
       # Why: Tests various transitions.
       'file://tough_animation_cases/transform_transitions.html',
       # Why: Login page is slow because of ineffecient transform operations.
       'http://ie.microsoft.com/testdrive/performance/robohornetpro/',
       # Why: JS execution blocks CSS transition unless initial transform is set.
       'file://tough_animation_cases/transform_transition_js_block.html'
     ]
 
     for url in urls_list_two:
       self.AddPage(ToughAnimationCasesPage(url, self,
                                            need_measurement_ready=False))