Add Acid3-based page cycler....

page_cycler/acid3/start.js

Index: page_cycler/acid3/start.js
===================================================================
--- page_cycler/acid3/start.js	(revision 0)
+++ page_cycler/acid3/start.js	(revision 0)
@@ -0,0 +1,85 @@
+// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This script runs the page cycler.  It assumes that __pages is an array
+// containing the directories for various pages to exercise.
+
+document.title = "page cycler";
+
+var initialPage = __pages[0];
+
+document.cookie = "__pc_done=0; path=/";
+document.cookie = "__pc_pages=" + __pages + "; path=/";
+document.cookie = "__pc_timings=; path=/";
+
+var options = location.search.substring(1).split('&');
+
+function getopt(name) {
+  var r = new RegExp("^" + name + "=");
+  for (i = 0; i < options.length; ++i) {
+    if (options[i].match(r)) {
+      return options[i].substring(name.length + 1);
+    }
+  }
+  return null;
+}
+
+function start() {
+  var iterations = document.getElementById("iterations").value;
+  window.resizeTo(800, 800);
+  var ts = (new Date()).getTime();
+  var url = initialPage + "/index.html?n=" + iterations + "&i=0&p=0&ts=" + ts + "&td=0";
+  window.location = url;
+}
+
+function render_form() {
+  var form = document.createElement("FORM");
+  form.setAttribute("action", "javascript:start()");
+
+  var label = document.createTextNode("Iterations: ");
+  form.appendChild(label);
+
+  var input = document.createElement("INPUT");
+  input.setAttribute("id", "iterations");
+  var iterations = getopt("iterations");
+  input.setAttribute("value", iterations ? iterations : "5");
+  form.appendChild(input);
+
+  input = document.createElement("INPUT");
+  input.setAttribute("type", "submit");
+  input.setAttribute("value", "Start");
+  form.appendChild(input);
+
+  document.body.appendChild(form);
+}
+
+render_form();
+
+// should we start automatically?
+if (location.search.match("auto=1"))
+  start();