Explicitly setting story names for all smoothness benchmarks

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):
     super(
       ToughTextureUploadCasesPage,
       self).__init__(
         url=url,
-        page_set=page_set)
+        page_set=page_set,
+        name=url.split('/')[-1])
 
   def RunPageInteractions(self, action_runner):
     with action_runner.CreateInteraction('Animation'):
       action_runner.Wait(10)
 
 
 class ToughTextureUploadCasesPageSet(story.StorySet):
 
   """
   Description: A collection of texture upload performance tests
   """
 
   def __init__(self):
-    super(ToughTextureUploadCasesPageSet, self).__init__()
+    super(ToughTextureUploadCasesPageSet, self).__init__(verify_names=True)
 
     urls_list = [
       'file://tough_texture_upload_cases/background_color_animation.html',
       # pylint: disable=line-too-long
       'file://tough_texture_upload_cases/background_color_animation_with_gradient.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))