[Telemetry] Utilize CreatePageSet for benchmarks with one page set.

tools/perf/perf_tools/spaceport.py

 # Copyright (c) 2012 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 spaceport.io's PerfMarks benchmark."""
+
 import logging
+import os
 
 from telemetry.core import util
 from telemetry.page import page_measurement
+from telemetry.page import page_set
 
 class SpaceportMeasurement(page_measurement.PageMeasurement):
+  def CreatePageSet(self, options):
+    return page_set.PageSet.FromDict({
+        'pages': [
+          {'url':
+           'file:///../../../chrome/test/data/third_party/spaceport/index.html'}
+          ]
+        }, os.path.abspath(__file__))
+
   def CustomizeBrowserOptions(self, options):
     options.extra_browser_args.extend(['--disable-gpu-vsync'])
 
   def MeasurePage(self, _, tab, results):
     util.WaitFor(lambda: tab.EvaluateJavaScript(
         '!document.getElementById("start-performance-tests").disabled'), 60)
 
     tab.ExecuteJavaScript("""
         window.__results = {};
         window.console.log = function(str) {
@@ skipping 18 matching lines @@
       return num_tests_complete[0] >= num_tests_in_measurement
     util.WaitFor(_IsDone, 1200, poll_interval=5)
 
     result_dict = eval(tab.EvaluateJavaScript(js_get_results))
     for key in result_dict:
       chart, trace = key.split('.', 1)
       results.Add(trace, 'objects (bigger is better)', float(result_dict[key]),
                   chart_name=chart, data_type='unimportant')
     results.Add('Score', 'objects (bigger is better)',
                 [float(x) for x in result_dict.values()])