Removing verify_names=True now that the default for verify_names is True

tools/perf/page_sets/image_decoding_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 ImageDecodingCasesPage(page_module.Page):
 
   def __init__(self, url, page_set, name):
     super(ImageDecodingCasesPage, self).__init__(
         url=url, page_set=page_set, name=name)
 
   def RunPageInteractions(self, action_runner):
     with action_runner.CreateInteraction('DecodeImage'):
       action_runner.Wait(5)
 
 class ImageDecodingCasesPageSet(story.StorySet):
 
   """ A directed benchmark of accelerated jpeg image decoding performance """
 
   def __init__(self):
-    super(ImageDecodingCasesPageSet, self).__init__(verify_names=True)
+    super(ImageDecodingCasesPageSet, self).__init__()
 
     urls_list = [
       ('file://image_decoding_cases/yuv_decoding.html', 'yuv_decoding.html')
     ]
 
     for url, name in urls_list:
       self.AddStory(ImageDecodingCasesPage(url, self, name))