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

tools/perf/perf_tools/octane.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.
+
+import os
+
 from telemetry.core import util
 from telemetry.page import page_measurement
+from telemetry.page import page_set
 
 class Octane(page_measurement.PageMeasurement):
+  def CreatePageSet(self, options):
+    return page_set.PageSet.FromDict({

[nduca, 2013/05/20 18:34:02]

should we modify the page_runner to explode if the page set returned from
CreatePageSet doesn't have a file_path? Its optional now, but it seems pretty
risky if its not given...

[dtu, 2013/05/20 18:44:31]

Just make the parameter not-optional in PageSet. I don't think there's really a
valid case where it's left out.

+        'pages': [
+          { 'url': 'file:///../../../chrome/test/data/perf/third_party/octane/'
+                   'index.html?auto=1' }
+          ]
+        }, file_path=os.path.abspath(__file__))
+
   def MeasurePage(self, _, tab, results):
     js_is_done = """
 completed && !document.getElementById("progress-bar-container")"""
     def _IsDone():
       return bool(tab.EvaluateJavaScript(js_is_done))
     util.WaitFor(_IsDone, 300, poll_interval=5)
 
     js_get_results = """
 var results = {}
 var result_divs = document.querySelectorAll('.p-result');
 for (var r in result_divs) {
   if (result_divs[r].id && result_divs[r].id.indexOf('Result-') == 0)
     var key = result_divs[r].id.replace('Result-', '');
     results[key] = result_divs[r].innerHTML;
 }
 var main_banner = document.getElementById("main-banner").innerHTML;
 var octane_score = main_banner.substr(main_banner.lastIndexOf(':') + 2);
 results['score'] = octane_score;
 JSON.stringify(results);
 """
     result_dict = eval(tab.EvaluateJavaScript(js_get_results))
     for key, value in result_dict.iteritems():
       if value == '...':
         continue
       data_type = 'unimportant'
       if key == 'score':
         data_type = 'default'
       results.Add(key, 'score (bigger is better)', value, data_type=data_type)