[Telemetry] Modify CreatePageSet to CreateStorySet

content/test/gpu/gpu_tests/webgl_robustness.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.
 from telemetry import benchmark
 from telemetry.page import page
 from telemetry.page import page_set
 from telemetry.page import page_test
 
 from webgl_conformance import conformance_harness_script
 from webgl_conformance import conformance_path
@@ skipping 47 matching lines @@
     super(WebglRobustnessPage, self).RunNavigateSteps(action_runner)
     action_runner.WaitForJavaScriptCondition('webglTestHarness._finished')
 
 class WebglRobustness(benchmark.Benchmark):
   test = WebglConformanceValidator
 
   @classmethod
   def Name(cls):
     return 'webgl_robustness'
 
-  def CreatePageSet(self, options):
+  def CreateStorySet(self, options):
     ps = page_set.PageSet(
       base_dir=conformance_path,
       serving_dirs=[''])
     ps.AddUserStory(WebglRobustnessPage(ps, ps.base_dir))
     return ps