Revert of [Telemetry] Modify CreatePageSet to CreateStorySet

tools/perf/benchmarks/skpicture_printer.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 core import perf_benchmark
 
 from telemetry import benchmark
 from telemetry.core import discover
 from telemetry.page import page_set
 
@@ skipping 28 matching lines @@
     if not args.skp_outdir:
       parser.error('Please specify --skp-outdir')
 
   @classmethod
   def Name(cls):
     return 'skpicture_printer'
 
   def CreatePageTest(self, options):
     return skpicture_printer.SkpicturePrinter(options.skp_outdir)
 
-  def CreateStorySet(self, options):
+  def CreatePageSet(self, options):
     page_set_class = _MatchPageSetName(options.page_set_name,
                                        options.page_set_base_dir)
     return page_set_class()