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

tools/perf/page_sets/tough_texture_upload_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 ToughTextureUploadCasesPage(page_module.Page):
 
   def __init__(self, url, page_set):
@@ skipping 12 matching lines @@
 
   """
   Description: A collection of texture upload performance tests
   """
 
   def __init__(self):
     super(ToughTextureUploadCasesPageSet, self).__init__()
 
     urls_list = [
       'file://tough_texture_upload_cases/background_color_animation.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_texture_upload_cases/background_color_animation_and_transform_animation.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_texture_upload_cases/background_color_animation_with_gradient.html',
-      # pylint: disable=C0301
+      # pylint: disable=line-too-long
       'file://tough_texture_upload_cases/background_color_animation_with_gradient_and_transform_animation.html',
       'file://tough_texture_upload_cases/small_texture_uploads.html',
       'file://tough_texture_upload_cases/medium_texture_uploads.html',
       'file://tough_texture_upload_cases/large_texture_uploads.html',
       # http://crbug.com/453131 - Our memory usage on low memory devices are
       # not constrained enough to run this page, disable until we are more
       # bounded on memory usage.
       # 'file://tough_texture_upload_cases/extra_large_texture_uploads.html',
     ]
     for url in urls_list:
       self.AddStory(ToughTextureUploadCasesPage(url, self))