Verify story name is set for tab switching benchmark

tools/perf/benchmarks/tab_switching.py

 # Copyright 2013 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.
 
 import os
 
 from core import perf_benchmark
 
 from measurements import tab_switching
 from page_sets.system_health import multi_tab_stories
@@ skipping 18 matching lines @@
 
   @classmethod
   def AddBenchmarkCommandLineArgs(cls, parser):
     parser.add_option('--tabset-repeat', type='int', default=1,
                       help='repeat tab page set')
 
   def CreateStorySet(self, options):
     story_set = story.StorySet(
         archive_data_file='../page_sets/data/system_health_desktop.json',
         base_dir=os.path.dirname(os.path.abspath(__file__)),
-        cloud_storage_bucket=story.PARTNER_BUCKET)
+        cloud_storage_bucket=story.PARTNER_BUCKET,
+        verify_names=True)
     story_set.AddStory(multi_tab_stories.MultiTabTypical24Story(
         story_set, False, options.tabset_repeat))
     return story_set
 
   @classmethod
   def Name(cls):
     return 'tab_switching.typical_25'
 
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return False