[Telemetry] Modify CreatePageSet to CreateStorySet

content/test/gpu/gpu_tests/gpu_rasterization.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.
 
 import cloud_storage_test_base
 import gpu_rasterization_expectations
 import optparse
 import page_sets
 
 from telemetry.util import image_util
@@ skipping 54 matching lines @@
 
 
 class GpuRasterization(cloud_storage_test_base.TestBase):
   """Tests that GPU rasterization produces valid content"""
   test = _GpuRasterizationValidator
 
   @classmethod
   def Name(cls):
     return 'gpu_rasterization'
 
-  def CreatePageSet(self, options):
+  def CreateStorySet(self, options):
     page_set = page_sets.GpuRasterizationTestsPageSet()
     for page in page_set.pages:
       page.script_to_evaluate_on_commit = test_harness_script
     return page_set
 
   def CreateExpectations(self):
     return gpu_rasterization_expectations.GpuRasterizationExpectations()