Add benchmark that imitates news reading.

tools/perf/page_sets/system_health/single_page_stories.py

Index: tools/perf/page_sets/system_health/single_page_stories.py
diff --git a/tools/perf/page_sets/system_health/single_page_stories.py b/tools/perf/page_sets/system_health/single_page_stories.py
deleted file mode 100644
index efd8e09f518ee37179a8bda1a48e65cefaa26db3..0000000000000000000000000000000000000000
--- a/tools/perf/page_sets/system_health/single_page_stories.py
+++ /dev/null
@@ -1,407 +0,0 @@
-# Copyright 2016 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 logging
-import sys
-
-from page_sets.login_helpers import dropbox_login
-from page_sets.login_helpers import google_login
-
-from telemetry.core import discover
-from telemetry.page import page
-
-
-_ALL_PLATFORMS = frozenset({'desktop', 'mobile'})
-_DESKTOP_ONLY = frozenset({'desktop'})
-_MOBILE_ONLY = frozenset({'mobile'})
-_NO_PLATFORMS = frozenset()
-
-
-_DUMP_WAIT_TIME = 3
-
-
-class _SinglePageStory(page.Page):
-  """Abstract base class for single-page System Health user stories."""
-
-  # The full name of a single page story has the form CASE:GROUP:PAGE (e.g.
-  # 'load:search:google').
-  NAME = NotImplemented
-  URL = NotImplemented
-  SUPPORTED_PLATFORMS = _ALL_PLATFORMS
-
-  def __init__(self, story_set, take_memory_measurement):
-    case, group, _ = self.NAME.split(':')
-    super(_SinglePageStory, self).__init__(
-        page_set=story_set, name=self.NAME, url=self.URL,
-        credentials_path='../data/credentials.json',
-        grouping_keys={'case': case, 'group': group})
-    self._take_memory_measurement = take_memory_measurement
-
-  def _Measure(self, action_runner):
-    if not self._take_memory_measurement:
-      return
-    # TODO(petrcermak): This method is essentially the same as
-    # MemoryHealthPage._TakeMemoryMeasurement() in memory_health_story.py.
-    # Consider sharing the common code.
-    action_runner.Wait(_DUMP_WAIT_TIME)
-    action_runner.ForceGarbageCollection()
-    action_runner.Wait(_DUMP_WAIT_TIME)
-    tracing_controller = action_runner.tab.browser.platform.tracing_controller
-    if not tracing_controller.is_tracing_running:
-      return  # Tracing is not running, e.g., when recording a WPR archive.
-    if not action_runner.tab.browser.DumpMemory():
-      logging.error('Unable to get a memory dump for %s.', self.name)
-
-  def _Login(self, action_runner):
-    pass
-
-  def _DidLoadDocument(self, action_runner):
-    pass
-
-  def RunNavigateSteps(self, action_runner):
-    self._Login(action_runner)
-    super(_SinglePageStory, self).RunNavigateSteps(action_runner)
-
-  def RunPageInteractions(self, action_runner):
-    action_runner.tab.WaitForDocumentReadyStateToBeComplete()
-    self._DidLoadDocument(action_runner)
-    self._Measure(action_runner)
-
-
-def IterAllStoryClasses():
-  # Sort the classes by their names so that their order is stable and
-  # deterministic.
-  for unused_cls_name, cls in sorted(discover.DiscoverClassesInModule(
-      module=sys.modules[__name__],
-      base_class=_SinglePageStory,
-      index_by_class_name=True).iteritems()):
-    yield cls
-
-
-################################################################################
-# Search and e-commerce.
-################################################################################
-
-
-class LoadGoogleStory(_SinglePageStory):
-  NAME = 'load:search:google'
-  URL = 'https://www.google.com/#hl=en&q=science'
-
-
-class LoadBaiduStory(_SinglePageStory):
-  NAME = 'load:search:baidu'
-  URL = 'https://www.baidu.com/s?word=google'
-
-
-class LoadYahooStory(_SinglePageStory):
-  NAME = 'load:search:yahoo'
-  URL = 'https://search.yahoo.com/search;_ylt=?p=google'
-
-
-class LoadAmazonStory(_SinglePageStory):
-  NAME = 'load:search:amazon'
-  URL = 'https://www.amazon.com/s/?field-keywords=nexus'
-
-
-class LoadTaobaoDesktopStory(_SinglePageStory):
-  NAME = 'load:search:taobao'
-  URL = 'https://world.taobao.com/'
-  SUPPORTED_PLATFORMS = _DESKTOP_ONLY
-
-
-class LoadTaobaoMobileStory(_SinglePageStory):
-  NAME = 'load:search:taobao'
-  # "ali_trackid" in the URL suppresses "Download app" interstitial.
-  URL = 'http://m.intl.taobao.com/?ali_trackid'
-  SUPPORTED_PLATFORMS = _MOBILE_ONLY
-
-
-class LoadYandexStory(_SinglePageStory):
-  NAME = 'load:search:yandex'
-  URL = 'https://yandex.ru/touchsearch?text=science'
-
-
-class LoadEbayStory(_SinglePageStory):
-  NAME = 'load:search:ebay'
-  # Redirects to the "http://" version.
-  URL = 'https://www.ebay.com/sch/i.html?_nkw=headphones'
-
-
-################################################################################
-# Social networks.
-################################################################################
-
-
-class LoadFacebookStory(_SinglePageStory):
-  # Using Facebook login often causes "404 Not Found" with WPR.
-  NAME = 'load:social:facebook'
-  URL = 'https://www.facebook.com/rihanna'
-
-
-class LoadTwitterStory(_SinglePageStory):
-  NAME = 'load:social:twitter'
-  URL = 'https://www.twitter.com/justinbieber?skip_interstitial=true'
-
-
-class LoadVkStory(_SinglePageStory):
-  NAME = 'load:social:vk'
-  URL = 'https://vk.com/sbeatles'
-  # Due to the deterministic date injected by WPR (February 2008), the cookie
-  # set by https://vk.com immediately expires, so the page keeps refreshing
-  # indefinitely on mobile
-  # (see https://github.com/chromium/web-page-replay/issues/71).
-  SUPPORTED_PLATFORMS = _DESKTOP_ONLY
-
-
-class LoadInstagramStory(_SinglePageStory):
-  NAME = 'load:social:instagram'
-  URL = 'https://www.instagram.com/selenagomez/'
-
-
-class LoadPinterestStory(_SinglePageStory):
-  NAME = 'load:social:pinterest'
-  URL = 'https://uk.pinterest.com/categories/popular/'
-
-
-class LoadTumblrStory(_SinglePageStory):
-  NAME = 'load:social:tumblr'
-  # Redirects to the "http://" version.
-  URL = 'https://50thousand.tumblr.com/'
-
-
-################################################################################
-# News, discussion and knowledge portals and blogs.
-################################################################################
-
-
-class LoadBbcStory(_SinglePageStory):
-  NAME = 'load:news:bbc'
-  # Redirects to the "http://" version.
-  URL = 'https://www.bbc.co.uk/news/world-asia-china-36189636'
-
-
-class LoadCnnStory(_SinglePageStory):
-  NAME = 'load:news:cnn'
-  # Using "https://" shows "Your connection is not private".
-  URL = (
-      'http://edition.cnn.com/2016/05/02/health/three-habitable-planets-earth-dwarf-star/index.html')
-
-
-class LoadRedditDesktopStory(_SinglePageStory):
-  NAME = 'load:news:reddit'
-  URL = (
-      'https://www.reddit.com/r/AskReddit/comments/4hi90e/whats_your_best_wedding_horror_story/')
-  SUPPORTED_PLATFORMS = _DESKTOP_ONLY
-
-
-class LoadRedditMobileStory(_SinglePageStory):
-  NAME = 'load:news:reddit'
-  URL = (
-      'https://m.reddit.com/r/AskReddit/comments/4hi90e/whats_your_best_wedding_horror_story/')
-  SUPPORTED_PLATFORMS = _MOBILE_ONLY
-
-
-class LoadQqMobileStory(_SinglePageStory):
-  NAME = 'load:news:qq'
-  # Using "https://" hangs and shows "This site can't be reached".
-  URL = 'http://news.qq.com/a/20160503/003186.htm'
-
-
-class LoadSohuStory(_SinglePageStory):
-  NAME = 'load:news:sohu'
-  # Using "https://" leads to missing images and scripts on mobile (due to
-  # mixed content).
-  URL = 'http://m.sohu.com/n/447433356/'
-  # The desktop page (http://news.sohu.com/20160503/n447433356.shtml) almost
-  # always fails to completely load due to
-  # https://github.com/chromium/web-page-replay/issues/74.
-  SUPPORTED_PLATFORMS = _MOBILE_ONLY
-
-
-class LoadWikipediaStory(_SinglePageStory):
-  NAME = 'load:news:wikipedia'
-  URL = 'https://en.wikipedia.org/wiki/Science'
-
-
-################################################################################
-# Audio and video.
-################################################################################
-
-
-class LoadYouTubeStory(_SinglePageStory):
-  # No way to disable autoplay on desktop.
-  NAME = 'load:media:youtube'
-  URL = 'https://www.youtube.com/watch?v=QGfhS1hfTWw&autoplay=false'
-
-
-class LoadDailymotionStory(_SinglePageStory):
-  # The side panel with related videos doesn't show on desktop due to
-  # https://github.com/chromium/web-page-replay/issues/74.
-  NAME = 'load:media:dailymotion'
-  URL = (
-      'https://www.dailymotion.com/video/x489k7d_street-performer-shows-off-slinky-skills_fun?autoplay=false')
-
-
-class LoadGoogleImagesStory(_SinglePageStory):
-  NAME = 'load:media:google_images'
-  URL = 'https://www.google.co.uk/search?tbm=isch&q=love'
-
-
-class LoadSoundCloudStory(_SinglePageStory):
-  # No way to disable autoplay on desktop. Album artwork doesn't load due to
-  # https://github.com/chromium/web-page-replay/issues/73.
-  NAME = 'load:media:soundcloud'
-  URL = 'https://soundcloud.com/lifeofdesiigner/desiigner-panda'
-
-
-class Load9GagStory(_SinglePageStory):
-  NAME = 'load:media:9gag'
-  URL = 'https://www.9gag.com/'
-
-
-class LoadFlickr(_SinglePageStory):
-  NAME = 'load:media:flickr'
-  URL = 'https://www.flickr.com/photos/tags/farm'
-
-  def _DidLoadDocument(self, action_runner):
-    # Wait until the 'Recently tagged' view loads.
-    action_runner.WaitForJavaScriptCondition('''
-        document.querySelector(
-            '.search-photos-everyone-trending-view .photo-list-view')
-                !== null''')
-
-
-################################################################################
-# Online tools (documents, emails, storage, ...).
-################################################################################
-
-
-class LoadDocsStory(_SinglePageStory):
-  NAME = 'load:tools:docs'
-  URL = (
-      'https://docs.google.com/document/d/1GvzDP-tTLmJ0myRhUAfTYWs3ZUFilUICg8psNHyccwQ/edit?usp=sharing')
-
-
-class _LoadGmailBaseStory(_SinglePageStory):
-  NAME = 'load:tools:gmail'
-  URL = 'https://mail.google.com/mail/'
-  SUPPORTED_PLATFORMS = _NO_PLATFORMS
-
-  def _Login(self, action_runner):
-    google_login.LoginGoogleAccount(action_runner, 'googletest',
-                                    self.credentials_path)
-
-    # Navigating to https://mail.google.com immediately leads to an infinite
-    # redirection loop due to a bug in WPR (see
-    # https://github.com/chromium/web-page-replay/issues/70). We therefore first
-    # navigate to a sub-URL to set up the session and hit the resulting
-    # redirection loop. Afterwards, we can safely navigate to
-    # https://mail.google.com.
-    action_runner.Navigate(
-        'https://mail.google.com/mail/mu/mp/872/trigger_redirection_loop')
-    action_runner.tab.WaitForDocumentReadyStateToBeComplete()
-
-
-class LoadGmailDesktopStory(_LoadGmailBaseStory):
-  SUPPORTED_PLATFORMS = _DESKTOP_ONLY
-
-  def _DidLoadDocument(self, action_runner):
-    # Wait until the UI loads.
-    action_runner.WaitForJavaScriptCondition(
-        'document.getElementById("loading").style.display === "none"')
-
-class LoadGmailMobileStory(_LoadGmailBaseStory):
-  SUPPORTED_PLATFORMS = _MOBILE_ONLY
-
-  def _DidLoadDocument(self, action_runner):
-    # Close the "Get Inbox by Gmail" interstitial.
-    action_runner.WaitForJavaScriptCondition(
-        'document.querySelector("#isppromo a") !== null')
-    action_runner.ExecuteJavaScript(
-        'document.querySelector("#isppromo a").click()')
-    # Wait until the UI loads.
-    action_runner.WaitForJavaScriptCondition(
-        'document.getElementById("apploadingdiv").style.height === "0px"')
-
-
-class LoadMapsStory(_SinglePageStory):
-  NAME = 'load:tools:maps'
-  URL = 'https://www.google.com/maps/place/London,+UK/'
-
-
-class LoadStackOverflowStory(_SinglePageStory):
-  NAME = 'load:tools:stackoverflow'
-  URL = (
-      'https://stackoverflow.com/questions/36827659/compiling-an-application-for-use-in-highly-radioactive-environments')
-
-
-class LoadDropboxStory(_SinglePageStory):
-  NAME = 'load:tools:dropbox'
-  URL = 'https://www.dropbox.com'
-
-  def _Login(self, action_runner):
-    dropbox_login.LoginAccount(action_runner, 'dropbox', self.credentials_path)
-
-
-class LoadWeatherStory(_SinglePageStory):
-  NAME = 'load:tools:weather'
-  URL = 'https://weather.com/en-GB/weather/today/l/USCA0286:1:US'
-
-
-class LoadDriveStory(_SinglePageStory):
-  NAME = 'load:tools:drive'
-  URL = 'https://drive.google.com/drive/my-drive'
-
-  def _Login(self, action_runner):
-    google_login.LoginGoogleAccount(action_runner, 'googletest',
-                                    self.credentials_path)
-
-
-################################################################################
-# In-browser games (HTML5 and Flash).
-################################################################################
-
-
-class LoadBubblesStory(_SinglePageStory):
-  NAME = 'load:games:bubbles'
-  URL = (
-      'https://games.cdn.famobi.com/html5games/s/smarty-bubbles/v010/?fg_domain=play.famobi.com&fg_uid=d8f24956-dc91-4902-9096-a46cb1353b6f&fg_pid=4638e320-4444-4514-81c4-d80a8c662371&fg_beat=620')
-
-  def _DidLoadDocument(self, action_runner):
-    # The #logo element is removed right before the main menu is displayed.
-    action_runner.WaitForJavaScriptCondition(
-        'document.getElementById("logo") === null')
-
-
-class LoadLazorsStory(_SinglePageStory):
-  NAME = 'load:games:lazors'
-  # Using "https://" hangs and shows "This site can't be reached".
-  URL = 'http://www8.games.mobi/games/html5/lazors/lazors.html'
-
-
-class LoadSpyChaseStory(_SinglePageStory):
-  NAME = 'load:games:spychase'
-  # Using "https://" shows "Your connection is not private".
-  URL = 'http://playstar.mobi/games/spychase/index.php'
-
-  def _DidLoadDocument(self, action_runner):
-    # The background of the game canvas is set when the "Tap screen to play"
-    # caption is displayed.
-    action_runner.WaitForJavaScriptCondition(
-        'document.querySelector("#game canvas").style.background !== ""')
-
-
-class LoadMiniclipStory(_SinglePageStory):
-  NAME = 'load:games:miniclip'
-  # Using "https://" causes "404 Not Found" during WPR recording.
-  URL = 'http://www.miniclip.com/games/en/'
-  # Desktop only (requires Flash).
-  SUPPORTED_PLATFORMS = _DESKTOP_ONLY
-
-
-class LoadAlphabettyStory(_SinglePageStory):
-  NAME = 'load:games:alphabetty'
-  URL = 'https://king.com/play/alphabetty'
-  # Desktop only (requires Flash).
-  SUPPORTED_PLATFORMS = _DESKTOP_ONLY