Explicitly setting story names for all smoothness benchmarks

tools/perf/page_sets/tough_path_rendering_cases.py

 # Copyright 2015 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 ToughPathRenderingCasesPage(page_module.Page):
   def RunPageInteractions(self, action_runner):
     with action_runner.CreateInteraction('ClickStart'):
@@ skipping 10 matching lines @@
 
 class ToughPathRenderingCasesPageSet(story.StorySet):
 
   """
   Description: Self-driven path rendering examples
   """
 
   def __init__(self):
     super(ToughPathRenderingCasesPageSet, self).__init__(
       archive_data_file='data/tough_path_rendering_cases.json',
-      cloud_storage_bucket=story.PARTNER_BUCKET)
+      cloud_storage_bucket=story.PARTNER_BUCKET,
+      verify_names=True)
 
     page_list = [
       ('GUIMark Vector Chart Test',
       'http://www.craftymind.com/factory/guimark2/HTML5ChartingTest.html'),
       ('MotionMark Canvas Fill Shapes',
       'http://rawgit.com/WebKit/webkit/master/PerformanceTests/MotionMark/developer.html?test-name=Fillshapes&test-interval=20&display=minimal&tiles=big&controller=fixed&frame-rate=50&kalman-process-error=1&kalman-measurement-error=4&time-measurement=performance&suite-name=Canvassuite&complexity=1000'), # pylint: disable=line-too-long
       ('MotionMark Canvas Stroke Shapes',
       'http://rawgit.com/WebKit/webkit/master/PerformanceTests/MotionMark/developer.html?test-name=Strokeshapes&test-interval=20&display=minimal&tiles=big&controller=fixed&frame-rate=50&kalman-process-error=1&kalman-measurement-error=4&time-measurement=performance&suite-name=Canvassuite&complexity=1000'), # pylint: disable=line-too-long
     ]
 
     for name, url in page_list:
       self.AddStory(ToughPathRenderingCasesPage(name=name, url=url,
           page_set=self))
 
     # Chalkboard content linked from
     # http://ie.microsoft.com/testdrive/Performance/Chalkboard/.
-    self.AddStory(ChalkboardPage(
-        'https://testdrive-archive.azurewebsites.net/performance/chalkboard/', self))
+    chalkboard_url = ('https://testdrive-archive.azurewebsites.net'
+                      '/performance/chalkboard/')
+    name = 'IE Chalkboard'
+    self.AddStory(ChalkboardPage(chalkboard_url, self, name=name))