Merge tough_canvas_cases into rendering page sets

Move tough_canvas_cases into rendering folder and refactor page classes
to inherit from RenderingStory.

Bug: 760553
Change-Id: I5cc1a745360968757569b1868be2fb3ddca7222c
Reviewed-on: https://chromium-review.googlesource.com/1078934
Commit-Queue: Amy Qiu <amyqiu@google.com>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#563010}

tools/perf/expectations.config

@@ -140,6 +140,12 @@ crbug.com/249722 [ All ] rendering.mobile/espn_mobile [ Skip ]
 crbug.com/249722 [ All ] rendering.mobile/espn_mobile_sync_scroll [ Skip ]
 crbug.com/249736 [ All ] rendering.mobile/forecast.io_mobile [ Skip ]
 crbug.com/249736 [ All ] rendering.mobile/forecast.io_mobile_sync_scroll [ Skip ]
+crbug.com/785485 [ Android_Webview ] rendering.mobile/kevs_3d [ Skip ]
+crbug.com/755657 [ Android_One ] rendering.mobile/canvas_to_blob [ Skip ]
+crbug.com/785286 [ Android_Webview ] rendering.mobile/smash_cat [ Skip ]
+crbug.com/785286 [ Android_Webview ] rendering.mobile/effect_games [ Skip ]
+crbug.com/364248 [ Nexus_5 ] rendering.mobile/geo_apis [ Skip ]
+crbug.com/825234 [ Android_Webview ] rendering.mobile/bouncing_balls_shadow [ Skip ]
 
 # Benchmark: smoothness.gpu_rasterization.polymer
 [ All ] smoothness.gpu_rasterization.polymer/* [ Skip ] # Test needs to be modernized.

tools/perf/page_sets/data/rendering_desktop.json

@@ -107,6 +107,69 @@
         },
         "ie_chalkboard": {
             "DEFAULT": "tough_path_rendering_cases_002.wprgo"
+	},
+	"geo_apis": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "hakim": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_tweet_map": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_video_city": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_worker_fountains": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_asteroid_belt": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_fireflies": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_fish_ie_tank": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_snow": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_speed_reading": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "jarro_doverson": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "mix_10k": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "runway": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "spielzeugz": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "man_in_blue": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "chip_tune": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "crafty_mind": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "effect_games": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "kevs_3d": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "megi_dish": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "smash_cat": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
         }
     },
     "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating.",

tools/perf/page_sets/data/rendering_mobile.json

@@ -455,6 +455,69 @@
         },
         "ie_chalkboard": {
             "DEFAULT": "tough_path_rendering_cases_002.wprgo"
+	},
+	"geo_apis": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "hakim": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_tweet_map": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_video_city": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_worker_fountains": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_asteroid_belt": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_fireflies": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_fish_ie_tank": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_snow": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "microsoft_speed_reading": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "jarro_doverson": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "mix_10k": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "runway": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "spielzeugz": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "man_in_blue": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "chip_tune": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "crafty_mind": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "effect_games": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "kevs_3d": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "megi_dish": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
+        },
+        "smash_cat": {
+            "DEFAULT": "tough_canvas_cases_001.wprgo"
         }
     },
     "description": "Describes the Web Page Replay archives for a story set. Don't edit by hand! Use record_wpr for updating.",

tools/perf/page_sets/rendering/tough_canvas_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.
+from telemetry import story
+from telemetry.page import shared_page_state
+
+from page_sets.rendering import rendering_story
+
+
+class ToughCanvasPage(rendering_story.RenderingStory):
+  ABSTRACT_STORY = True
+
+  def __init__(self,
+               page_set,
+               shared_page_state_class=shared_page_state.SharedPageState,
+               name_suffix='',
+               extra_browser_args=None):
+    super(ToughCanvasPage, self).__init__(
+        page_set=page_set,
+        shared_page_state_class=shared_page_state_class,
+        name_suffix=name_suffix,
+        extra_browser_args=extra_browser_args)
+
+  def RunNavigateSteps(self, action_runner):
+    super(ToughCanvasPage, self).RunNavigateSteps(action_runner)
+    action_runner.WaitForJavaScriptCondition(
+        "document.readyState == 'complete'")
+
+  def RunPageInteractions(self, action_runner):
+    with action_runner.CreateInteraction('CanvasAnimation'):
+      action_runner.Wait(5)
+
+
+class MicrosoftFirefliesPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_fireflies'
+  # pylint: disable=line-too-long
+  URL = 'http://ie.microsoft.com/testdrive/Performance/Fireflies/Default.html'
+
+
+class GeoAPIsPage(ToughCanvasPage):
+  BASE_NAME = 'geo_apis'
+  URL = 'http://geoapis.appspot.com/agdnZW9hcGlzchMLEgtFeGFtcGxlQ29kZRjh1wIM'
+
+
+class RunwayPage(ToughCanvasPage):
+  BASE_NAME = 'runway'
+  URL = 'http://runway.countlessprojects.com/prototype/performance_test.html'
+
+
+class MicrosoftFishIETankPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_fish_ie_tank'
+  # pylint: disable=line-too-long
+  URL = 'http://ie.microsoft.com/testdrive/Performance/FishIETank/Default.html'
+
+
+class MicrosoftSpeedReadingPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_speed_reading'
+  # pylint: disable=line-too-long
+  URL = 'http://ie.microsoft.com/testdrive/Performance/SpeedReading/Default.html'
+
+
+class Kevs3DPage(ToughCanvasPage):
+  BASE_NAME = 'kevs_3d'
+  URL = 'http://www.kevs3d.co.uk/dev/canvask3d/k3d_test.html'
+
+
+class MegiDishPage(ToughCanvasPage):
+  BASE_NAME = 'megi_dish'
+  URL = 'http://www.megidish.net/awjs/'
+
+
+class ManInBluePage(ToughCanvasPage):
+  BASE_NAME = 'man_in_blue'
+  URL = 'http://themaninblue.com/experiment/AnimationBenchmark/canvas/'
+
+
+class Mix10KPage(ToughCanvasPage):
+  BASE_NAME = 'mix_10k'
+  URL = 'http://mix10k.visitmix.com/Entry/Details/169'
+
+
+class CraftyMindPage(ToughCanvasPage):
+  BASE_NAME = 'crafty_mind'
+  URL = 'http://www.craftymind.com/factory/guimark2/HTML5ChartingTest.html'
+
+
+class ChipTunePage(ToughCanvasPage):
+  BASE_NAME = 'chip_tune'
+  URL = 'http://www.chiptune.com/starfield/starfield.html'
+
+
+class JarroDoversonPage(ToughCanvasPage):
+  BASE_NAME = 'jarro_doverson'
+  URL = 'http://jarrodoverson.com/static/demos/particleSystem/'
+
+
+class EffectGamesPage(ToughCanvasPage):
+  BASE_NAME = 'effect_games'
+  URL = 'http://www.effectgames.com/demos/canvascycle/'
+
+
+class SpielzeugzPage(ToughCanvasPage):
+  BASE_NAME = 'spielzeugz'
+  URL = 'http://spielzeugz.de/html5/liquid-particles.html'
+
+
+class HakimPage(ToughCanvasPage):
+  BASE_NAME = 'hakim'
+  URL = 'http://hakim.se/experiments/html5/magnetic/02/'
+
+
+class MicrosoftSnowPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_snow'
+  URL = 'http://ie.microsoft.com/testdrive/Performance/LetItSnow/'
+
+
+class MicrosoftWorkerFountainsPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_worker_fountains'
+  # pylint: disable=line-too-long
+  URL = 'http://ie.microsoft.com/testdrive/Graphics/WorkerFountains/Default.html'
+
+
+class MicrosoftTweetMapPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_tweet_map'
+  URL = 'http://ie.microsoft.com/testdrive/Graphics/TweetMap/Default.html'
+
+
+class MicrosoftVideoCityPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_video_city'
+  URL = 'http://ie.microsoft.com/testdrive/Graphics/VideoCity/Default.html'
+
+
+class MicrosoftAsteroidBeltPage(ToughCanvasPage):
+  BASE_NAME = 'microsoft_asteroid_belt'
+  # pylint: disable=line-too-long
+  URL = 'http://ie.microsoft.com/testdrive/Performance/AsteroidBelt/Default.html'
+
+
+class SmashCatPage(ToughCanvasPage):
+  BASE_NAME = 'smash_cat'
+  URL = 'http://www.smashcat.org/av/canvas_test/'
+
+
+class BouncingBallsShadowPage(ToughCanvasPage):
+  BASE_NAME = 'bouncing_balls_shadow'
+  # pylint: disable=line-too-long
+  URL = 'file://../tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=image_with_shadow&back=image'
+
+
+class BouncingBalls15Page(ToughCanvasPage):
+  BASE_NAME = 'bouncing_balls_15'
+  # pylint: disable=line-too-long
+  URL = 'file://../tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=text&back=white&ball_count=15'
+
+
+class CanvasFontCyclerPage(ToughCanvasPage):
+  BASE_NAME = 'canvas_font_cycler'
+  URL = 'file://../tough_canvas_cases/canvas-font-cycler.html'
+
+
+class CanvasAnimationNoClearPage(ToughCanvasPage):
+  BASE_NAME = 'canvas_animation_no_clear'
+  URL = 'file://../tough_canvas_cases/canvas-animation-no-clear.html'
+
+
+class CanvasToBlobPage(ToughCanvasPage):
+  BASE_NAME = 'canvas_to_blob'
+  URL = 'file://../tough_canvas_cases/canvas_toBlob.html'
+
+
+class ManyImagesPage(ToughCanvasPage):
+  BASE_NAME = 'many_images'
+  URL = 'file://../../../../chrome/test/data/perf/canvas_bench/many_images.html'
+
+
+class CanvasArcPage(ToughCanvasPage):
+  BASE_NAME = 'canvas_arcs'
+  URL = 'file://../tough_canvas_cases/rendering_throughput/canvas_arcs.html'
+
+
+class CanvasLinesPage(ToughCanvasPage):
+  BASE_NAME = 'canvas_lines'
+  URL = 'file://../tough_canvas_cases/rendering_throughput/canvas_lines.html'
+
+
+class PutGetImageDataPage(ToughCanvasPage):
+  BASE_NAME = 'put_get_image_data'
+  URL = 'file://../tough_canvas_cases/rendering_throughput/put_get_image_data.html'
+
+
+class FillShapesPage(ToughCanvasPage):
+  BASE_NAME = 'fill_shapes'
+  URL = 'file://../tough_canvas_cases/rendering_throughput/fill_shapes.html'
+
+
+class StrokeShapesPage(ToughCanvasPage):
+  BASE_NAME = 'stroke_shapes'
+  URL = 'file://../tough_canvas_cases/rendering_throughput/stroke_shapes.html'
+
+
+class BouncingClippedRectanglesPage(ToughCanvasPage):
+  BASE_NAME = 'bouncing_clipped_rectangles'
+  # pylint: disable=line-too-long
+  URL = 'file://../tough_canvas_cases/rendering_throughput/bouncing_clipped_rectangles.html'
+
+
+class BouncingGradientCirclesPage(ToughCanvasPage):
+  BASE_NAME = 'bouncing_gradient_circles'
+  # pylint: disable=line-too-long
+  URL = 'file://../tough_canvas_cases/rendering_throughput/bouncing_gradient_circles.html'
+
+
+class BouncingSVGImagesPage(ToughCanvasPage):
+  BASE_NAME = 'bouncing_svg_images'
+  # pylint: disable=line-too-long
+  URL = 'file://../tough_canvas_cases/rendering_throughput/bouncing_svg_images.html'
+
+
+class BouncingPNGImagesPage(ToughCanvasPage):
+  BASE_NAME = 'bouncing_png_images'
+  # pylint: disable=line-too-long
+  URL = 'file://../tough_canvas_cases/rendering_throughput/bouncing_png_images.html'
+
+
+# TODO(crbug.com/760553):remove this class after smoothness.tough_canvas_cases
+# benchmark is completely replaced by rendering benchmarks
+class ToughCanvasCasesPageSet(story.StorySet):
+
+  """
+  Description: Self-driven Canvas2D animation examples
+  """
+
+  def __init__(self):
+    super(ToughCanvasCasesPageSet, self).__init__(
+      archive_data_file='../data/tough_canvas_cases.json',
+      cloud_storage_bucket=story.PARTNER_BUCKET)
+
+    # Crashes on Galaxy Nexus. crbug.com/314131
+    # TODO(rnephew): Rerecord this story.
+    # self.AddStory(MicrosofFirefliesPage(self))
+
+    page_classes = [
+        GeoAPIsPage,
+        RunwayPage,
+        MicrosoftFishIETankPage,
+        MicrosoftSpeedReadingPage,
+        Kevs3DPage,
+        MegiDishPage,
+        ManInBluePage,
+        Mix10KPage,
+        CraftyMindPage,
+        ChipTunePage,
+        JarroDoversonPage,
+        EffectGamesPage,
+        SpielzeugzPage,
+        HakimPage,
+        MicrosoftSnowPage,
+        MicrosoftWorkerFountainsPage,
+        MicrosoftTweetMapPage,
+        MicrosoftVideoCityPage,
+        MicrosoftAsteroidBeltPage,
+        SmashCatPage,
+        BouncingBallsShadowPage,
+        BouncingBalls15Page,
+        CanvasFontCyclerPage,
+        CanvasAnimationNoClearPage,
+        CanvasToBlobPage,
+        ManyImagesPage,
+        CanvasArcPage,
+        CanvasLinesPage,
+        PutGetImageDataPage,
+        FillShapesPage,
+        StrokeShapesPage,
+        BouncingClippedRectanglesPage,
+        BouncingGradientCirclesPage,
+        BouncingSVGImagesPage,
+        BouncingPNGImagesPage
+    ]
+
+    for page_class in page_classes:
+      self.AddStory(page_class(self))

tools/perf/page_sets/tough_canvas_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.
-from telemetry.page import page as page_module
-from telemetry import story
-
-
-class ToughCanvasCasesPage(page_module.Page):
-
-  def __init__(self, name, url, page_set):
-    super(ToughCanvasCasesPage, self).__init__(url=url, page_set=page_set,
-                                               name=name)
-
-  def RunNavigateSteps(self, action_runner):
-    super(ToughCanvasCasesPage, self).RunNavigateSteps(action_runner)
-    action_runner.WaitForJavaScriptCondition(
-        "document.readyState == 'complete'")
-
-  def RunPageInteractions(self, action_runner):
-    with action_runner.CreateInteraction('CanvasAnimation'):
-      action_runner.Wait(5)
-
-
-class MicrosofFirefliesPage(ToughCanvasCasesPage):
-
-  def __init__(self, page_set):
-    super(MicrosofFirefliesPage, self).__init__(
-      name='microsoft_fireflies',
-      # pylint: disable=line-too-long
-      url='http://ie.microsoft.com/testdrive/Performance/Fireflies/Default.html',
-      page_set=page_set)
-
-
-class ToughCanvasCasesPageSet(story.StorySet):
-
-  """
-  Description: Self-driven Canvas2D animation examples
-  """
-
-  def __init__(self):
-    super(ToughCanvasCasesPageSet, self).__init__(
-      archive_data_file='data/tough_canvas_cases.json',
-      cloud_storage_bucket=story.PARTNER_BUCKET)
-
-    # Crashes on Galaxy Nexus. crbug.com/314131
-    # TODO(rnephew): Rerecord this story.
-    # self.AddStory(MicrosofFirefliesPage(self))
-
-    urls_list = [
-      ('geo_apis',
-       'http://geoapis.appspot.com/agdnZW9hcGlzchMLEgtFeGFtcGxlQ29kZRjh1wIM'),
-      ('runway',
-       'http://runway.countlessprojects.com/prototype/performance_test.html'),
-      ('microsoft_fish_ie_tank',
-       # pylint: disable=line-too-long
-       'http://ie.microsoft.com/testdrive/Performance/FishIETank/Default.html'),
-      ('microsoft_speed_reading',
-       # pylint: disable=line-too-long
-       'http://ie.microsoft.com/testdrive/Performance/SpeedReading/Default.html'),
-      ('kevs_3d',
-       'http://www.kevs3d.co.uk/dev/canvask3d/k3d_test.html'),
-      ('megi_dish',
-       'http://www.megidish.net/awjs/'),
-      ('man_in_blue',
-       'http://themaninblue.com/experiment/AnimationBenchmark/canvas/'),
-      ('mix_10k',
-       'http://mix10k.visitmix.com/Entry/Details/169'),
-      ('crafty_mind',
-       'http://www.craftymind.com/factory/guimark2/HTML5ChartingTest.html'),
-      ('chip_tune',
-       'http://www.chiptune.com/starfield/starfield.html'),
-      ('jarro_doverson',
-       'http://jarrodoverson.com/static/demos/particleSystem/'),
-      ('effect_games',
-       'http://www.effectgames.com/demos/canvascycle/'),
-      ('spielzeugz',
-       'http://spielzeugz.de/html5/liquid-particles.html'),
-      ('hakim',
-       'http://hakim.se/experiments/html5/magnetic/02/'),
-      ('microsoft_snow',
-       'http://ie.microsoft.com/testdrive/Performance/LetItSnow/'),
-      ('microsoft_worker_fountains',
-       # pylint: disable=line-too-long
-       'http://ie.microsoft.com/testdrive/Graphics/WorkerFountains/Default.html'),
-      ('microsoft_tweet_map',
-       'http://ie.microsoft.com/testdrive/Graphics/TweetMap/Default.html'),
-      ('microsoft_video_city',
-       'http://ie.microsoft.com/testdrive/Graphics/VideoCity/Default.html'),
-      ('microsoft_asteroid_belt',
-       # pylint: disable=line-too-long
-       'http://ie.microsoft.com/testdrive/Performance/AsteroidBelt/Default.html'),
-      ('smash_cat',
-       'http://www.smashcat.org/av/canvas_test/'),
-      ('bouncing_balls_shadow',
-       # pylint: disable=line-too-long
-       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=image_with_shadow&back=image'),
-      ('bouncing_balls_15',
-       # pylint: disable=line-too-long
-       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=text&back=white&ball_count=15'),
-      ('canvas_font_cycler',
-       'file://tough_canvas_cases/canvas-font-cycler.html'),
-      ('canvas_animation_no_clear',
-       'file://tough_canvas_cases/canvas-animation-no-clear.html'),
-      ('canvas_to_blob',
-       'file://tough_canvas_cases/canvas_toBlob.html'),
-      ('many_images',
-       # pylint: disable=line-too-long
-       'file://../../../chrome/test/data/perf/canvas_bench/many_images.html'),
-      ('canvas_arcs',
-       'file://tough_canvas_cases/rendering_throughput/canvas_arcs.html'),
-      ('canvas_lines',
-       'file://tough_canvas_cases/rendering_throughput/canvas_lines.html'),
-      ('put_get_image_data',
-       # pylint: disable=line-too-long
-       'file://tough_canvas_cases/rendering_throughput/put_get_image_data.html'),
-      ('fill_shapes',
-       'file://tough_canvas_cases/rendering_throughput/fill_shapes.html'),
-      ('stroke_shapes',
-       'file://tough_canvas_cases/rendering_throughput/stroke_shapes.html'),
-      ('bouncing_clipped_rectangles',
-       # pylint: disable=line-too-long
-       'file://tough_canvas_cases/rendering_throughput/bouncing_clipped_rectangles.html'),
-      ('bouncing_gradient_circles',
-       # pylint: disable=line-too-long
-       'file://tough_canvas_cases/rendering_throughput/bouncing_gradient_circles.html'),
-      ('bouncing_svg_images',
-       # pylint: disable=line-too-long
-       'file://tough_canvas_cases/rendering_throughput/bouncing_svg_images.html'),
-      ('bouncing_png_images',
-       'file://tough_canvas_cases/rendering_throughput/bouncing_png_images.html')
-    ]
-
-    for name, url in urls_list:
-      self.AddStory(ToughCanvasCasesPage(name=name,url=url,page_set=self))