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

tools/perf/page_sets/tough_webgl_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
 
 from page_sets import webgl_supported_shared_state
 
 
@@ skipping 30 matching lines @@
   """
   Description: Self-driven WebGL animation examples
   """
 
   def __init__(self):
     super(ToughWebglCasesPageSet, self).__init__(
       archive_data_file='data/tough_webgl_cases.json',
       cloud_storage_bucket=story.PUBLIC_BUCKET)
 
     urls_list = [
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'http://www.khronos.org/registry/webgl/sdk/demos/google/nvidia-vertex-buffer-object/index.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'http://www.khronos.org/registry/webgl/sdk/demos/google/san-angeles/index.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'http://www.khronos.org/registry/webgl/sdk/demos/google/particles/index.html',
       'http://www.khronos.org/registry/webgl/sdk/demos/webkit/Earth.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'http://www.khronos.org/registry/webgl/sdk/demos/webkit/ManyPlanetsDeep.html',
       'http://webglsamples.googlecode.com/hg/aquarium/aquarium.html',
       'http://webglsamples.googlecode.com/hg/blob/blob.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'http://webglsamples.googlecode.com/hg/dynamic-cubemap/dynamic-cubemap.html'
     ]
     for url in urls_list:
       self.AddStory(ToughWebglCasesPage(url, self))