ServiceWorker: Separate micro benchmark from application benchmark

tools/perf/page_sets/service_worker_micro_benchmark.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 telemetry.page import page as page
 from telemetry.page import page_set as page_set
 
 
-archive_data_file_path = 'data/service_worker.json'
+archive_data_file_path = 'data/service_worker_micro_benchmark.json'
 
 
 class ServiceWorkerBenchmarkPage(page.Page):
   """Page for workload to measure some specific functions in JS"""
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     action_runner.WaitForJavaScriptCondition('window.done')
 
 
-class ServiceWorkerPageSet(page_set.PageSet):
-  """Page set which is using ServiceWorker"""
+class ServiceWorkerMicroBenchmarkPageSet(page_set.PageSet):
+  """Page set for micro benchmarking of each functions with ServiceWorker"""
 
   def __init__(self):
-    super(ServiceWorkerPageSet, self).__init__(
+    super(ServiceWorkerMicroBenchmarkPageSet, self).__init__(
         archive_data_file=archive_data_file_path,
         make_javascript_deterministic=False,
         bucket=page_set.PUBLIC_BUCKET)
 
     # pylint: disable=C0301
     # The code of localhost:8091 is placed in
     # https://github.com/coonsta/Service-Worker-Performance
     # but currently the following is used:
     # https://github.com/amiq11/Service-Worker-Performance/tree/follow_spec_and_many_registration
     # (rev: 3238098ea0225f53dab2f69f7406db8a2712dbf9)
     # This will be merged into the main repository.
     # pylint: enable=C0301
     # Why: to measure performance of many concurrent fetches
     self.AddPage(ServiceWorkerBenchmarkPage(
         'http://localhost:8091/index.html', self))
     # Why: to measure performance of registrations
     self.AddPage(ServiceWorkerBenchmarkPage(
         'http://localhost:8091/many-registration.html', self))
-    # Why: the first application using ServiceWorker
-    # TODO(shimazu): Separate application tests from microbenchmark above two.
-    # 1st time: registration
-    self.AddPage(page.Page(
-        'https://jakearchibald.github.io/trained-to-thrill/', self))
-    # 2st time: 1st onfetch with caching
-    self.AddPage(page.Page(
-        'https://jakearchibald.github.io/trained-to-thrill/', self))
-    # 3rd time: 2nd onfetch from cache
-    self.AddPage(page.Page(
-        'https://jakearchibald.github.io/trained-to-thrill/', self))