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

tools/perf/page_sets/media_cns_cases.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 BasicPlayPage(page_module.Page):
 
   def __init__(self, url, page_set):
@@ skipping 30 matching lines @@
 
 
 class MediaCnsCasesPageSet(story.StorySet):
 
   """ Media benchmark on network constrained conditions. """
 
   def __init__(self):
     super(MediaCnsCasesPageSet, self).__init__()
 
     urls_list = [
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_webm&src=tulip2.webm&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_webm&src=tulip2.webm&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_webm&src=tulip2.webm&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_ogv&src=tulip2.ogv&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_ogv&src=tulip2.ogv&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_ogv&src=tulip2.ogv&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_mp4&src=tulip2.mp4&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_mp4&src=tulip2.mp4&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_mp4&src=tulip2.mp4&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_wav&src=tulip2.wav&type=audio&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_wav&src=tulip2.wav&type=audio&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_wav&src=tulip2.wav&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_ogg&src=tulip2.ogg&type=audio&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_ogg&src=tulip2.ogg&type=audio&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_ogg&src=tulip2.ogg&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_mp3&src=tulip2.mp3&type=audio&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_mp3&src=tulip2.mp3&type=audio&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_mp3&src=tulip2.mp3&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=no_constraints_m4a&src=tulip2.m4a&type=audio&net=none',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=cable_m4a&src=tulip2.m4a&type=audio&net=cable',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_m4a&src=tulip2.m4a&type=audio&net=wifi'
     ]
 
     for url in urls_list:
       self.AddStory(BasicPlayPage(url, self))
 
     urls_list2 = [
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_mp3&src=tulip2.mp3&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_m4a&src=tulip2.m4a&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_ogg&src=tulip2.ogg&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_wav&src=tulip2.wav&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_mp4&src=tulip2.mp4&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_ogv&src=tulip2.ogv&type=audio&net=wifi',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_video_cases/video.html?id=wifi_webm&src=tulip2.webm&type=audio&net=wifi'
     ]
 
     for url in urls_list2:
       self.AddStory(SeekBeforeAndAfterPlayheadPage(url, self))