Remove less important system health mobile stories.

tools/perf/page_sets/system_health/browsing_stories.py

 # encoding: utf-8
 # 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 pinterest_login
@@ skipping 128 matching lines @@
   SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
   TAGS = [story_tags.EMERGING_MARKET]
 
   def _WaitForNavigation(self, action_runner):
     action_runner.WaitForElement(text='load more comments')
 
   def _NavigateBack(self, action_runner):
     action_runner.NavigateBack()
 
 
-class FlipboardMobileStory(_ArticleBrowsingStory):
-  NAME = 'browse:news:flipboard'
-  URL = 'https://flipboard.com/explore'
-  IS_SINGLE_PAGE_APP = True
-  ITEM_SELECTOR = '.grad-top'
-  ITEM_SCROLL_REPEAT = 4
-  SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
-
-
 class FlipboardDesktopStory(_ArticleBrowsingStory):
   NAME = 'browse:news:flipboard'
   URL = 'https://flipboard.com/explore'
   IS_SINGLE_PAGE_APP = True
   ITEM_SELECTOR = '.cover-image'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
 # crbug.com/657665 for win and mac
 @decorators.Disabled('win', 'mac')
-class HackerNewsStory(_ArticleBrowsingStory):
+class HackerNewsDesktopStory(_ArticleBrowsingStory):
   NAME = 'browse:news:hackernews'
   URL = 'https://news.ycombinator.com'
   ITEM_SELECTOR = '.athing .title > a'
-
-
-class NytimesMobileStory(_ArticleBrowsingStory):
-  """The third top website in http://www.alexa.com/topsites/category/News"""
-  NAME = 'browse:news:nytimes'
-  URL = 'http://mobile.nytimes.com'
-  ITEM_SELECTOR = '.sfgAsset-link'
-  # Visiting more items causes OOM.
-  ITEMS_TO_VISIT = 2
-  SUPPORTED_PLATFORMS = platforms.MOBILE_ONLY
+  SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
 class NytimesDesktopStory(_ArticleBrowsingStory):
   """The third top website in http://www.alexa.com/topsites/category/News"""
   NAME = 'browse:news:nytimes'
   URL = 'http://www.nytimes.com'
   ITEM_SELECTOR = '.story-heading > a'
   SUPPORTED_PLATFORMS = platforms.DESKTOP_ONLY
 
 
@@ skipping 587 matching lines @@
     # Reduce the speed (the current wpr is recorded with speed set to 50)  when
     # recording the wpr. If we scroll too fast, the data will not be recorded
     # well. After recording reset it back to the original value to have a more
     # realistic scroll.
     action_runner.RepeatableBrowserDrivenScroll(
         x_scroll_distance_ratio = 0.0, y_scroll_distance_ratio = 1,
         repeat_count=3, speed=400, timeout=120)
     action_runner.RepeatableBrowserDrivenScroll(
         x_scroll_distance_ratio = 1, y_scroll_distance_ratio = 0,
         repeat_count=3, speed=500, timeout=120)