Moving yahoo_sport into pathological pageset and adding sync scroll.

tools/perf/page_sets/key_mobile_sites_smooth.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.page import page_set as page_set_module
 
 from page_sets import key_mobile_sites_pages
 
 
 def _IssueMarkerAndScroll(action_runner):
@@ skipping 225 matching lines @@
       'https://www.google.com/#hl=en&q=barack+obama',
       # Why: #1 news worldwide (Alexa global)
       'http://news.yahoo.com',
       # Why: #2 news worldwide
       'http://www.cnn.com',
       # Why: #1 commerce website by time spent by users in US
       'http://shop.mobileweb.ebay.com/searchresults?kw=viking+helmet',
       # Why: #1 Alexa recreation
       # pylint: disable=line-too-long
       'http://www.booking.com/searchresults.html?src=searchresults&latitude=65.0500&longitude=25.4667',
-      # Why: #1 Alexa sports
-      'http://sports.yahoo.com/',
       # Why: Top tech blog
       'http://techcrunch.com',
       # Why: #6 Alexa sports
       'http://mlb.com/',
       # Why: #14 Alexa California
       'http://www.sfgate.com/',
       # Why: Non-latin character set
       'http://worldjournal.com/',
       # Why: Mobile wiki
       'http://www.wowwiki.com/World_of_Warcraft:_Mists_of_Pandaria',
       # Why: #15 Alexa news
       'http://online.wsj.com/home-page',
       # Why: Image-heavy mobile site
       'http://www.deviantart.com/',
       # Why: Top search engine
       ('http://www.baidu.com/s?wd=barack+obama&rsv_bp=0&rsv_spt=3&rsv_sug3=9&'
        'rsv_sug=0&rsv_sug4=3824&rsv_sug1=3&inputT=4920'),
       # Why: Top search engine
       'http://www.bing.com/search?q=sloths',
       # Why: Good example of poor initial scrolling
       'http://ftw.usatoday.com/2014/05/spelling-bee-rules-shenanigans'
     ]
 
     for url in urls_list:
       self.AddUserStory(KeyMobileSitesSmoothPage(url, self))