diff --git a/tools/page_cycler/common/start.js b/tools/page_cycler/common/start.js
index 5f5f05562e52ff..f43994e369f269 100644
--- a/tools/page_cycler/common/start.js
+++ b/tools/page_cycler/common/start.js
@@ -2,23 +2,28 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// 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';
 
-document.title = "page cycler";
+// The __pages is assumed an array which containing the directories for
+// various pages to exercise. Some page cycler tests don't have this variable.
 
-var initialPage = __pages[0];
+var initialPage;
+var hasVariablePages = (typeof __pages != 'undefined') &&
+                       (__pages instanceof Array);
+if (hasVariablePages)
+  initialPage = __pages[0];
 
-document.cookie = "__navigated_to_report=0; path=/";
-document.cookie = "__pc_done=0; path=/";
-document.cookie = "__pc_pages=" + __pages + "; path=/";
-document.cookie = "__pc_timings=; path=/";
+document.cookie = '__navigated_to_report=0; path=/';
+document.cookie = '__pc_done=0; path=/';
+if (hasVariablePages)
+  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) {
+  var r = new RegExp('^' + name + '=');
+  for (var i = 0; i < options.length; ++i) {
     if (options[i].match(r)) {
       return options[i].substring(name.length + 1);
     }
@@ -27,29 +32,36 @@ function getopt(name) {
 }
 
 function start() {
-  var iterations = document.getElementById("iterations").value;
+  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";
+  var url = '';
+  if (hasVariablePages)
+    url = initialPage + '/';
+  url += '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 form = document.createElement('FORM');
+  form.onsubmit = function(e) {
+    start();
+    e.preventDefault();
+  };
 
-  var label = document.createTextNode("Iterations: ");
+  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");
+  var input = document.createElement('INPUT');
+  input.setAttribute('id', 'iterations');
+  input.setAttribute('type', 'number');
+  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");
+  input = document.createElement('INPUT');
+  input.setAttribute('type', 'submit');
+  input.setAttribute('value', 'Start');
   form.appendChild(input);
 
   document.body.appendChild(form);
@@ -58,10 +70,13 @@ function render_form() {
 render_form();
 
 // should we start automatically?
-if (location.search.match("auto=1")) {
+if (location.search.match('auto=1')) {
   start();
 } else {
-  document.write("<h3>Note: You must have started chrome with <tt>--enable-file-cookies --js-flags=\"--expose_gc\"</tt> for this test to work manually.</h3>");
-  if (!window.gc)
-    document.write("<h3 style='color:red'>WARNING: window.gc is not defined.  Test results may be unreliable!</h3>");
+  if (!window.gc) {
+    document.write('<h3 style=\'color:red\'>WARNING: window.gc is not ' +
+                   'defined. Test results may be unreliable! You must ' +
+                   'started chrome also with <tt>--js-flags=\"--expose_gc\"' +
+                   '</tt> for this test to work manually</h3>');
+  }
 }
diff --git a/tools/page_cycler/database/delete-transactions/start.html b/tools/page_cycler/database/delete-transactions/start.html
index 596e60c32f94d6..4f5d3eb166346a 100644
--- a/tools/page_cycler/database/delete-transactions/start.html
+++ b/tools/page_cycler/database/delete-transactions/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=delete-transactions; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/database/insert-transactions/start.html b/tools/page_cycler/database/insert-transactions/start.html
index f8538de1329aa0..6c18a36b9fd73b 100644
--- a/tools/page_cycler/database/insert-transactions/start.html
+++ b/tools/page_cycler/database/insert-transactions/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=insert-transactions; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/database/pseudo-random-transactions/start.html b/tools/page_cycler/database/pseudo-random-transactions/start.html
index 62782919b6a398..f2dd9c6ae3f4ca 100644
--- a/tools/page_cycler/database/pseudo-random-transactions/start.html
+++ b/tools/page_cycler/database/pseudo-random-transactions/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=pseudo-random-transactions; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/database/select-readtransactions-read-results/start.html b/tools/page_cycler/database/select-readtransactions-read-results/start.html
index bbb0aef6c09998..ee4038cf595fc5 100644
--- a/tools/page_cycler/database/select-readtransactions-read-results/start.html
+++ b/tools/page_cycler/database/select-readtransactions-read-results/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=select-readtransactions-read-results; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/database/select-readtransactions/start.html b/tools/page_cycler/database/select-readtransactions/start.html
index 6833f1bd6838b0..383fb20233cb13 100644
--- a/tools/page_cycler/database/select-readtransactions/start.html
+++ b/tools/page_cycler/database/select-readtransactions/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=select-readtransactions; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/database/select-transactions/start.html b/tools/page_cycler/database/select-transactions/start.html
index ce9d2e99fd4a95..33da99fa150a00 100644
--- a/tools/page_cycler/database/select-transactions/start.html
+++ b/tools/page_cycler/database/select-transactions/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=select-transactions; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/database/start.js b/tools/page_cycler/database/start.js
deleted file mode 100644
index 6b7be5bd5672eb..00000000000000
--- a/tools/page_cycler/database/start.js
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright (c) 2011 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.
-
-document.title = 'page cycler';
-
-document.cookie = '__navigated_to_report=0; path=/';
-document.cookie = '__pc_done=0; path=/';
-document.cookie = '__pc_timings=; path=/';
-
-var options = location.search.substring(1).split('&');
-
-function getOption(name) {
-  var r = new RegExp('^' + name + '=');
-  for (var 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 url = 'index.html?n=' + iterations + '&i=0&td=0';
-  window.location = url;
-}
-
-function renderForm() {
-  var form = document.createElement('form');
-  form.onsubmit = function(e) {
-    start();
-    e.preventDefault();
-  };
-
-  var label = document.createTextNode('Iterations: ');
-  form.appendChild(label);
-
-  var input = document.createElement('input');
-  input.id = 'iterations';
-  input.type = 'number';
-  var iterations = getOption('iterations');
-  input.value = iterations ? iterations : '5';
-  form.appendChild(input);
-
-  input = document.createElement('input');
-  input.type = 'submit';
-  input.value = 'Start';
-  form.appendChild(input);
-
-  document.body.appendChild(form);
-}
-
-renderForm();
-
-// should we start automatically?
-if (location.search.match('auto=1'))
-  start();
diff --git a/tools/page_cycler/database/update-transactions/start.html b/tools/page_cycler/database/update-transactions/start.html
index 2c2e2a0fe06e4b..aa346f7f4aea4d 100644
--- a/tools/page_cycler/database/update-transactions/start.html
+++ b/tools/page_cycler/database/update-transactions/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
 this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=update-transactions; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/indexed_db/basic_insert/start.html b/tools/page_cycler/indexed_db/basic_insert/start.html
index ecdc393c010773..971186928a94c7 100644
--- a/tools/page_cycler/indexed_db/basic_insert/start.html
+++ b/tools/page_cycler/indexed_db/basic_insert/start.html
@@ -4,6 +4,6 @@
 <h3>Note: You must have started chrome with <tt>--enable-file-cookies</tt> for
   this test to work manually.</h3>
 <script>document.cookie = "__pc_pages=basic_insert; path=/";</script>
-<script src="../start.js"></script>
+<script src="../../common/start.js"></script>
 </body>
 </html>
diff --git a/tools/page_cycler/indexed_db/start.js b/tools/page_cycler/indexed_db/start.js
deleted file mode 100644
index 6b7be5bd5672eb..00000000000000
--- a/tools/page_cycler/indexed_db/start.js
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright (c) 2011 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.
-
-document.title = 'page cycler';
-
-document.cookie = '__navigated_to_report=0; path=/';
-document.cookie = '__pc_done=0; path=/';
-document.cookie = '__pc_timings=; path=/';
-
-var options = location.search.substring(1).split('&');
-
-function getOption(name) {
-  var r = new RegExp('^' + name + '=');
-  for (var 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 url = 'index.html?n=' + iterations + '&i=0&td=0';
-  window.location = url;
-}
-
-function renderForm() {
-  var form = document.createElement('form');
-  form.onsubmit = function(e) {
-    start();
-    e.preventDefault();
-  };
-
-  var label = document.createTextNode('Iterations: ');
-  form.appendChild(label);
-
-  var input = document.createElement('input');
-  input.id = 'iterations';
-  input.type = 'number';
-  var iterations = getOption('iterations');
-  input.value = iterations ? iterations : '5';
-  form.appendChild(input);
-
-  input = document.createElement('input');
-  input.type = 'submit';
-  input.value = 'Start';
-  form.appendChild(input);
-
-  document.body.appendChild(form);
-}
-
-renderForm();
-
-// should we start automatically?
-if (location.search.match('auto=1'))
-  start();