Update DoYouEvenBench benchmark suite with latest version.

tools/perf/benchmarks/doyouevenbench.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.
 
 """DoYouEvenBench performance benchmark .
 
 DoYouEvenBench performance benchmark UI performance related to DOM using
 popular JS frameworks. This benchmark uses http://todomvc.com and emulates user
 actions: adding 100 todo items, completing them, and then deleting
 them with Ember.js, Backbone.js, jQuery, and plain-old DOM.
 """
 
 import os
 
 from telemetry import test
 from telemetry.page import page_measurement
 from telemetry.page import page_set
 from telemetry.value import scalar
 
 
 class DoYouEvenBenchMeasurement(page_measurement.PageMeasurement):
 
   def MeasurePage(self, _, tab, results):
     tab.WaitForDocumentReadyStateToBeComplete()
-    # Click Run button on http://rniwa.com/DoYouEvenBench to start test.
-    tab.ExecuteJavaScript('document.getElementsByTagName("button")[1].click();')
-    # <PRE> tag stores the results once the tests are completed.
+    # Tests are ran 5 iteration, results are displayed in the form of HTML
+    # table. Each row represents timetaken in that iteration and adds rows for
+    # Arithmetic Mean and 95th Percentile. Total 7 rows in the results table.
     tab.WaitForJavaScriptExpression(
-        'document.getElementsByTagName("pre").length > 0', 200)
-    # Parse results
-    results_log = tab.EvaluateJavaScript(
-        'document.getElementsByTagName("pre")[0].innerHTML')
-    res_log = results_log.splitlines()
-    for res in res_log:
-      name_and_score = res.split(': ', 2)
-      assert len(name_and_score) == 2, 'Unexpected result format "%s"' % res
-      # Replace '/' with '_' for quantity being measure otherwise it asserts
-      # while printing results to stdout.
-      name = name_and_score[0].replace('/', '_').strip()
-      score = float(name_and_score[1].replace('ms', '').strip())
-      # Since Total consists total time taken by all tests, add its values
-      # to Summary.
-      if 'Total' not in name:
+        'document.getElementsByTagName("tr").length >= 7', 200)
+    # Parse results and result for each run including mean and 95th percentile.
+    js_results = """ function JsResults() {
+        var _result = {}
+        _rows = document.getElementsByTagName("tr");
+        for(var i=0; i< _rows.length; i++) {
+          if (_rows[i].cells[0].innerText.indexOf("95th Percentile") == -1) {
+            _result[_rows[i].cells[0].innerText] = _rows[i].cells[1].innerText;
+          }
+        }
+        return _result;
+    }; JsResults();"""
+    results_log = tab.EvaluateJavaScript(js_results)
+    for name, value in results_log.iteritems():
+      score = float(value.replace('ms', '').strip())
+      # Add time taken for each iteration to run tests.
+      if name != 'Arithmetic Mean':
         results.Add(name, 'ms', score, data_type='unimportant')
       else:
-        results.AddSummaryValue(scalar.ScalarValue(None, 'Total', 'ms', score))
-
+        results.AddSummaryValue(scalar.ScalarValue(None, name, 'ms', score))
 
 class DoYouEvenBench(test.Test):
   """DoYouEvenBench benchmark related to DOMs using JS frameworks."""
   test = DoYouEvenBenchMeasurement
 
   def CreatePageSet(self, options):
-    return page_set.PageSet.FromDict({
-        'archive_data_file': '../page_sets/data/doyouevenbench.json',
-        'make_javascript_deterministic': False,
-        'pages': [
-            {'url': 'http://rniwa.com/DoYouEvenBench/'}
-        ]
-    }, os.path.abspath(__file__))
-
+    ps = page_set.PageSet(
+        file_path=os.path.abspath(__file__),
+        archive_data_file='../page_sets/data/doyouevenbench.json',
+        make_javascript_deterministic=False)
+    ps.AddPageWithDefaultRunNavigate(
+        'https://trac.webkit.org/export/164157/trunk/'
+        'PerformanceTests/DoYouEvenBench/Full.html')
+    return ps