[Telemetry + tools/perf] Modify the pylint disable message to use symbolic name

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 shared_page_state
 from telemetry import story
 
 from page_sets import key_mobile_sites_pages
 
 
 def _IssueMarkerAndScroll(action_runner):
   with action_runner.CreateGestureInteraction('ScrollAction'):
     action_runner.ScrollPage()
 
 
 def _CreatePageClassWithSmoothInteractions(page_cls):
-  class DerivedSmoothPage(page_cls):  # pylint: disable=W0232
+  class DerivedSmoothPage(page_cls):  # pylint: disable=no-init
 
     def RunPageInteractions(self, action_runner):
       _IssueMarkerAndScroll(action_runner)
   return DerivedSmoothPage
 
 
 class KeyMobileSitesSmoothPage(page_module.Page):
 
   def __init__(self, url, page_set, name='', labels=None,
                action_on_load_complete=False):
@@ skipping 245 matching lines @@
       ('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.AddStory(KeyMobileSitesSmoothPage(url, self))