[Telemetry] Modify CreatePageSet to CreateStorySet

tools/perf/benchmarks/jetstream.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.
 
 """Runs Apple's JetStream benchmark.
 
 JetStream combines a variety of JavaScript benchmarks, covering a variety of
 advanced workloads and programming techniques, and reports a single score that
 balances them using geometric mean.
 
@@ skipping 68 matching lines @@
 
 
 @benchmark.Disabled('android', 'xp')  # crbug.com/381742
 class Jetstream(perf_benchmark.PerfBenchmark):
   test = _JetstreamMeasurement
 
   @classmethod
   def Name(cls):
     return 'jetstream'
 
-  def CreatePageSet(self, options):
+  def CreateStorySet(self, options):
     ps = page_set.PageSet(
         archive_data_file='../page_sets/data/jetstream.json',
         base_dir=os.path.dirname(os.path.abspath(__file__)),
         bucket=page_set.INTERNAL_BUCKET)
     ps.AddUserStory(page_module.Page(
         'http://browserbench.org/JetStream/', ps, ps.base_dir,
         make_javascript_deterministic=False))
     return ps