Remove less important system health mobile stories.

tools/perf/page_sets/system_health/loading_stories.py

 # 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.
 
 from page_sets.system_health import platforms
 from page_sets.system_health import story_tags
 from page_sets.system_health import system_health_story
 
 from page_sets.login_helpers import dropbox_login
 from page_sets.login_helpers import google_login
@@ skipping 105 matching lines @@
   # Redirects to the "http://" version.
   URL = 'https://50thousand.tumblr.com/'
   TAGS = [story_tags.JAVASCRIPT_HEAVY]
 
 
 ################################################################################
 # News, discussion and knowledge portals and blogs.
 ################################################################################
 
 
-class LoadBbcStory(_LoadingStory):
+class LoadBbcDesktopStory(_LoadingStory):
   NAME = 'load:news:bbc'
   # Redirects to the "http://" version.
   URL = 'https://www.bbc.co.uk/news/world-asia-china-36189636'
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
 class LoadCnnStory(_LoadingStory):
   NAME = 'load:news:cnn'
   # Using "https://" shows "Your connection is not private".
   URL = 'http://edition.cnn.com'
   TAGS = [story_tags.JAVASCRIPT_HEAVY]
 
 
-class LoadFlipboardStory(_LoadingStory):
+class LoadFlipboardDesktopStory(_LoadingStory):
   NAME = 'load:news:flipboard'
   URL = 'https://flipboard.com/explore'
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
-class LoadHackerNewsStory(_LoadingStory):
+class LoadHackerNewsDesktopStory(_LoadingStory):
   NAME = 'load:news:hackernews'
   URL = 'https://news.ycombinator.com'
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
 class LoadNytimesDesktopStory(_LoadingStory):
   NAME = 'load:news:nytimes'
   URL = 'http://www.nytimes.com'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
 class LoadNytimesMobileStory(_LoadingStory):
   NAME = 'load:news:nytimes'
@@ skipping 13 matching lines @@
   URL = 'https://www.reddit.com/r/news/top/?sort=top&t=week'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
 class LoadRedditMobileStory(_LoadingStory):
   NAME = 'load:news:reddit'
   URL = 'https://www.reddit.com/r/news/top/?sort=top&t=week'
   SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
 
 
-class LoadSohuMobileStory(_LoadingStory):
-  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 = platforms.MOBILE_ONLY
-  TAGS = [story_tags.INTERNATIONAL]
-
-
 class LoadWashingtonPostMobileStory(_LoadingStory):
   NAME = 'load:news:washingtonpost'
   URL = 'https://www.washingtonpost.com/pwa'
   SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
   _CLOSE_BUTTON_SELECTOR = '.close'
 
   def _DidLoadDocument(self, action_runner):
     # Close the popup window. On Nexus 9 (and probably other tables) the popup
     # window does not have a "Close" button, instead it has only a "Send link
     # to phone" button. So on tablets we run with the popup window open. The
@@ skipping 44 matching lines @@
   URL = 'https://www.google.co.uk/search?tbm=isch&q=love'
 
 
 class LoadSoundCloudStory(_LoadingStory):
   # 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(_LoadingStory):
+class Load9GagDesktopStory(_LoadingStory):
   NAME = 'load:media:9gag'
   URL = 'https://www.9gag.com/'
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
-class LoadFlickrStory(_LoadingStory):
+class LoadFlickrDesktopStory(_LoadingStory):
   NAME = 'load:media:flickr'
   URL = 'https://www.flickr.com/photos/tags/farm'
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
   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''')
 
 
 class LoadImgurStory(_LoadingStory):
@@ skipping 138 matching lines @@
   NAME = 'load:games:miniclip'
   # Using "https://" causes "404 Not Found" during WPR recording.
   URL = 'http://www.miniclip.com/games/en/'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY  # Requires Flash.
 
 
 class LoadAlphabettyStory(_LoadingStory):
   NAME = 'load:games:alphabetty'
   URL = 'https://king.com/play/alphabetty'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY  # Requires Flash.