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

tools/perf/perf_tools/robohornetpro.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 Microsoft's RoboHornet Pro benchmark."""
+
+import os
+
 from telemetry.core import util
 from telemetry.page import page_measurement
+from telemetry.page import page_set
 
 class RobohornetPro(page_measurement.PageMeasurement):
+  def CreatePageSet(self, options):
+    return page_set.PageSet.FromDict({
+        'archive_data_file': '../data/robohornetpro.json',
+        'pages': [
+          { 'url':
+            'http://ie.microsoft.com/testdrive/performance/robohornetpro/' }
+          ]
+        }, file_path=os.path.abspath(__file__))
+
   def CustomizeBrowserOptions(self, options):
     # Measurement require use of real Date.now() for measurement.
     options.wpr_make_javascript_deterministic = False
 
   def MeasurePage(self, _, tab, results):
     tab.ExecuteJavaScript('ToggleRoboHornet()')
 
     done = 'document.getElementById("results").innerHTML.indexOf("Total") != -1'
     def _IsDone():
       return tab.EvaluateJavaScript(done)
     util.WaitFor(_IsDone, 60)
 
     result = int(tab.EvaluateJavaScript('stopTime - startTime'))
     results.Add('Total', 'ms', result)