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

tools/perf/page_sets/page_cycler/dom.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 import story
 
 
 class DomPage(page_module.Page):
 
   def __init__(self, url, page_set):
     super(DomPage, self).__init__(url=url, page_set=page_set)
 
 
 class DomPageSet(story.StorySet):
 
   """ DOM page_cycler benchmark """
 
   def __init__(self):
     super(DomPageSet, self).__init__(
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       serving_dirs=set(['../../../../data/page_cycler/dom']))
 
     urls_list = [
       'file://../../../../data/page_cycler/dom/HTMLDocument_write/',
       'file://../../../../data/page_cycler/dom/Document_getElementById/',
       'file://../../../../data/page_cycler/dom/DOMWindow_document/',
       'file://../../../../data/page_cycler/dom/DOMWindow_window/',
       'file://../../../../data/page_cycler/dom/Element_getAttribute/',
       'file://../../../../data/page_cycler/dom/HTMLCollection_length/',
       'file://../../../../data/page_cycler/dom/HTMLElement_className/',
       'file://../../../../data/page_cycler/dom/HTMLElement_id/',
       'file://../../../../data/page_cycler/dom/NodeList_length/'
     ]
 
     for url in urls_list:
       self.AddStory(DomPage(url, self))