diff --git a/testing/mochitest/chrome/Makefile.in b/testing/mochitest/chrome/Makefile.in
index 886de1575b6..029fd045a4b 100644
--- a/testing/mochitest/chrome/Makefile.in
+++ b/testing/mochitest/chrome/Makefile.in
@@ -45,8 +45,7 @@ include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk
 
 _STATIC_FILES = test_sample.xul \
-		test_synthesizeDragStart.xul \
-		test_synthesizeDrop.xul \
+		test_sanityChromeUtils.xul \
 # Disabled until bug 652494 is resolved.
 #		test_sanityException.xul \
 #		test_sanityException2.xul \
diff --git a/testing/mochitest/chrome/test_sanityChromeUtils.xul b/testing/mochitest/chrome/test_sanityChromeUtils.xul
new file mode 100644
index 00000000000..c214741c239
--- /dev/null
+++ b/testing/mochitest/chrome/test_sanityChromeUtils.xul
@@ -0,0 +1,223 @@
+<?xml version="1.0"?>
+<!-- ***** BEGIN LICENSE BLOCK *****
+   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
+   -
+   - The contents of this file are subject to the Mozilla Public License Version
+   - 1.1 (the "License"); you may not use this file except in compliance with
+   - the License. You may obtain a copy of the License at
+   - http://www.mozilla.org/MPL/
+   -
+   - Software distributed under the License is distributed on an "AS IS" basis,
+   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+   - for the specific language governing rights and limitations under the
+   - License.
+   -
+   - The Original Code is mozilla.org code
+   -
+   - The Initial Developer of the Original Code is Mozilla Foundation
+   - Portions created by the Initial Developer are Copyright (C) 2011
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -
+   - Alternatively, the contents of this file may be used under the terms of
+   - either the GNU General Public License Version 2 or later (the "GPL"), or
+   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+   - in which case the provisions of the GPL or the LGPL are applicable instead
+   - of those above. If you wish to allow use of your version of this file only
+   - under the terms of either the GPL or the LGPL, and not to allow others to
+   - use your version of this file under the terms of the MPL, indicate your
+   - decision by deleting the provisions above and replace them with the notice
+   - and other provisions required by the LGPL or the GPL. If you do not delete
+   - the provisions above, a recipient may use your version of this file under
+   - the terms of any one of the MPL, the GPL or the LGPL.
+   -
+   - ***** END LICENSE BLOCK ***** -->
+<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
+                 type="text/css"?>
+<window title="Test ChromeUtils functions" 
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <script type="application/javascript"
+          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
+  <!-- ChromeUtils.js depends on EventUtils.js -->
+  <script type="application/javascript"
+          src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript">
+  var start = new Date();
+  </script>
+  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/ChromeUtils.js"></script>
+  <script type="text/javascript">
+  var loadTime = new Date();
+  </script>
+  <script type="application/javascript">
+  <![CDATA[
+    SimpleTest.info("\nProfile::ChromeUtilsLoadTime: " + (loadTime - start) + "\n");
+    var testFile = Components.classes["@mozilla.org/file/directory_service;1"].
+                      getService(Components.interfaces.nsIProperties).
+                      get("CurWorkD", Components.interfaces.nsIFile);
+    var regularDtForDrag1 = null;
+    var gSetDropEffect = true;
+    var gData;
+    var gEnter = false;
+    var gOver  = false;
+    var dragDrop = [[
+      { type    : "text/plain",
+        data    : "This is a test" }
+    ]];
+    // this is the expected data arrays
+    // for testing drag of 2 items create 2 inner arrays
+    var drag1 = [[
+      { type  : "text/uri-list",
+        data  : "http://www.mozilla.org/" }
+    ]];
+    var drag2items = [[
+      { type  : "text/uri-list",
+        data  : "http://www.mozilla.org/" }
+      ],[
+      { type  : "text/uri-list",
+        data  : "http://www.mozilla.org/" }
+    ]];
+    var drag1WrongFlavor = [[
+      { type  : "text/plain",
+        data  : "this is text/plain" }
+    ]];
+    var drag2 = [[
+      { type  : "text/plain",
+        data  : "this is text/plain" },
+      { type  : "text/uri-list",
+        data  : "http://www.mozilla.org/" }
+    ]];
+    var drag2WrongOrder = [[
+      { type  : "text/uri-list",
+        data  : "http://www.mozilla.org/" },
+      { type  : "text/plain",
+        data  : "this is text/plain" }
+    ]];
+    var dragfile = [[
+      { type    : "application/x-moz-file",
+        data    : testFile,
+        eqTest  : function(actualData, expectedData) {return expectedData.equals(actualData);} }
+    ]];
+    
+    function doOnDrop(aEvent) {
+      gData = aEvent.dataTransfer.getData(dragDrop[0][0].type);
+      aEvent.preventDefault(); // cancels event and keeps dropEffect
+                               // as was before event.
+    }
+    
+    function doOnDragStart(aEvent) {
+      var dt = aEvent.dataTransfer;
+      switch (aEvent.currentTarget.id) {
+        case "drag2" :
+          dt.setData("text/plain", "this is text/plain");
+        case "drag1" :
+          regularDtForDrag1 = dt;
+          dt.setData("text/uri-list", "http://www.mozilla.org/");
+          break;
+        case "dragfile" :
+          dt.mozSetDataAt("application/x-moz-file", testFile, 0);
+          break;
+      }
+        dt.effectAllowed = "all";
+    }
+
+    function doOnDragEnter(aEvent) {
+      gEnter = true;
+      aEvent.dataTransfer.effectAllowed = "all";
+      aEvent.preventDefault(); // sets target this element
+    }
+    
+    function doOnDragOver(aEvent) {
+      gOver = true;
+      if (gSetDropEffect)
+        aEvent.dataTransfer.dropEffect = "copy";
+      aEvent.preventDefault();
+    }
+
+    SimpleTest.waitForExplicitFinish();
+    function test() {
+      var startTime = new Date();
+      var result;
+
+      /* test synthesizeDragStart */
+      result = synthesizeDragStart($("drag1"), drag1, window);
+      is(result, null, "drag1 is text/uri-list");
+      result = synthesizeDragStart($("drag1"), drag1WrongFlavor, window);
+      isnot(result, null, "drag1 is not text/plain");
+      result = synthesizeDragStart($("drag1"), drag2items, window);
+      isnot(result, null, "drag1 is not 2 items");
+      result = synthesizeDragStart($("drag2"), drag2, window);
+      is(result, null, "drag2 is ordered text/plain then text/uri-list");
+      result = synthesizeDragStart($("drag2"), drag1, window);
+      isnot(result, null, "drag2 is not one flavor");
+      result = synthesizeDragStart($("drag2"), drag2WrongOrder, window);
+      isnot(result, null, "drag2 is not ordered text/uri-list then text/plain");
+      result = synthesizeDragStart($("dragfile"), dragfile, window);
+      is(result, null, "dragfile is nsIFile");
+      result = synthesizeDragStart($("drag1"), null, window);
+      is(result, regularDtForDrag1, "synthesizeDragStart accepts null expectedDragData");
+     
+      /* test synthesizeDrop */
+      result = synthesizeDrop($("dragDrop"), $("dragDrop"), dragDrop, null, window);
+      ok(gEnter, "Fired dragenter");
+      ok(gOver,  "Fired dragover");
+      is(result, "copy", "copy is dropEffect");
+      is(gData, dragDrop[0][0].data, "Received valid drop data");
+
+      gSetDropEffect = false;
+      result = synthesizeDrop($("dragDrop"), $("dragDrop"), dragDrop, "link", window);
+      is(result, "link", "link is dropEffect");
+      gSetDropEffect = true;
+
+      $("textB").focus();
+      var content = synthesizeQueryTextContent(0, 100);
+      ok(content, "synthesizeQueryTextContent should not be null");
+      ok(content.succeeded, "synthesizeQueryTextContent should succeed");
+      is(content.text, "I haz a content", "synthesizeQueryTextContent should be 'I haz a content': " + content.text);
+
+      content = synthesizeQueryCaretRect(0);
+      ok(content, "synthesizeQueryCaretRect should not be null");
+      ok(content.succeeded, "synthesizeQueryCaretRect should succeed");
+
+      content = synthesizeQueryTextRect(0, 100);
+      ok(content, "synthesizeQueryTextRect should not be null");
+      ok(content.succeeded, "synthesizeQueryTextRect should succeed");
+
+      content = synthesizeQueryEditorRect();
+      ok(content, "synthesizeQueryEditorRect should not be null");
+      ok(content.succeeded, "synthesizeQueryEditorRect should succeed");
+
+      content = synthesizeCharAtPoint(0, 0);
+      ok(content, "synthesizeCharAtPoint should not be null");
+      ok(content.succeeded, "synthesizeCharAtPoint should succeed");
+
+      content = synthesizeSelectionSet(0, 100);
+      ok(content, "synthesizeSelectionSet should not be null");
+      is(content, true, "synthesizeSelectionSet should succeed");
+
+      var endTime = new Date();
+      SimpleTest.info("\nProfile::ChromeUtilsRunTime: " + (endTime-startTime) + "\n");
+      SimpleTest.finish();
+    };
+  ]]>
+  </script>
+
+  <body xmlns="http://www.w3.org/1999/xhtml" onload="setTimeout('test()', 0)">
+    <input id="textB" value="I haz a content"/>
+    <p id="display"></p>
+    <div id="content" style="display:none;"></div>
+    <pre id="test"></pre>
+    <div id="drag1" ondragstart="doOnDragStart(event);">Need some space here</div>
+    <p id="display"></p>
+    <div id="content" style="display:none;"></div>
+    <pre id="test"></pre>
+    <div id="dragDrop" ondragover  ="doOnDragOver(event);"
+                    ondragenter ="doOnDragEnter(event);"
+                    ondragleave ="doOnDragLeave(event);"
+                    ondrop      ="doOnDrop(event);">
+    Need some depth and height to drag here
+    </div>
+    <div id="drag2" ondragstart="doOnDragStart(event);">Need more space</div>
+    <div id="dragfile" ondragstart="doOnDragStart(event);">Sure why not here too</div>
+  </body>
+</window>
diff --git a/testing/mochitest/chrome/test_synthesizeDragStart.xul b/testing/mochitest/chrome/test_synthesizeDragStart.xul
deleted file mode 100644
index f17eaafe8e4..00000000000
--- a/testing/mochitest/chrome/test_synthesizeDragStart.xul
+++ /dev/null
@@ -1,160 +0,0 @@
-<?xml version="1.0"?>
-<!--
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Mozilla Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2009
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *   Phil Lacy <philbaseless-firefox@yahoo.com> (Original Author)
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-/**
- * Assure EventUtils can perform synthesizeDragStart as specified
- */
-
-SimpleTest/tests/test_synthesizeDragStart.xul
-
-complete one flavor drag of simple text
-check match of [[]]
-complete 2 flavor drag
-check order
-complete File flavor drag
-check if nsIFile can be determined
-
--->
-<window title="Mozilla Bug 462172 extra tests for synthesizeDragStart"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        onload="setTimeout(test,0)">
-  <script type="application/javascript"
-          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
-  <script type="application/javascript"
-          src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
-  <script type="application/javascript">
-  <![CDATA[
-
-  /** Test for Bug 462172 synthesizeDragStart**/
-var testFile = Components.classes["@mozilla.org/file/directory_service;1"].
-                  getService(Components.interfaces.nsIProperties).
-                  get("CurWorkD", Components.interfaces.nsIFile);
-var regularDtForDrag1 = null;
-
-function doOnDragStart(aEvent)
-{
-  var dt = aEvent.dataTransfer;
-  switch (aEvent.currentTarget.id) {
-    case "drag2" :
-      dt.setData("text/plain", "this is text/plain");
-    case "drag1" :
-      regularDtForDrag1 = dt;
-      dt.setData("text/uri-list", "http://www.mozilla.org/");
-      break;
-    case "dragfile" :
-      dt.mozSetDataAt("application/x-moz-file", testFile, 0);
-      break;
-  }
-    dt.effectAllowed = "all";
-}
-
-// this is the expected data arrays
-// for testing drag of 2 items create 2 inner arrays
-var drag1 = [[
-  { type  : "text/uri-list",
-    data  : "http://www.mozilla.org/" }
-]];
-var drag2items = [[
-  { type  : "text/uri-list",
-    data  : "http://www.mozilla.org/" }
-  ],[
-  { type  : "text/uri-list",
-    data  : "http://www.mozilla.org/" }
-]];
-var drag1WrongFlavor = [[
-  { type  : "text/plain",
-    data  : "this is text/plain" }
-]];
-var drag2 = [[
-  { type  : "text/plain",
-    data  : "this is text/plain" },
-  { type  : "text/uri-list",
-    data  : "http://www.mozilla.org/" }
-]];
-var drag2WrongOrder = [[
-  { type  : "text/uri-list",
-    data  : "http://www.mozilla.org/" },
-  { type  : "text/plain",
-    data  : "this is text/plain" }
-]];
-var dragfile = [[
-  { type    : "application/x-moz-file",
-    data    : testFile,
-    eqTest  : function(actualData, expectedData) {return expectedData.equals(actualData);} }
-]];
-
-SimpleTest.waitForExplicitFinish();
-
-function test() {
-
-  var result;
-  // Now we can run our tests
-  result = synthesizeDragStart($("drag1"), drag1, window);
-  is(result, null, "drag1 is text/uri-list");
-  result = synthesizeDragStart($("drag1"), drag1WrongFlavor, window);
-  isnot(result, null, "drag1 is not text/plain");
-  result = synthesizeDragStart($("drag1"), drag2items, window);
-  isnot(result, null, "drag1 is not 2 items");
-  result = synthesizeDragStart($("drag2"), drag2, window);
-  is(result, null, "drag2 is ordered text/plain then text/uri-list");
-  result = synthesizeDragStart($("drag2"), drag1, window);
-  isnot(result, null, "drag2 is not one flavor");
-  result = synthesizeDragStart($("drag2"), drag2WrongOrder, window);
-  isnot(result, null, "drag2 is not ordered text/uri-list then text/plain");
-  result = synthesizeDragStart($("dragfile"), dragfile, window);
-  is(result, null, "dragfile is nsIFile");
-  result = synthesizeDragStart($("drag1"), null, window);
-  is(result, regularDtForDrag1, "synthesizeDragStart accepts null expectedDragData");
-
-  SimpleTest.finish();
-
-}
-
-  ]]>
-  </script>
-
-  <body xmlns="http://www.w3.org/1999/xhtml">
-    <p id="display"></p>
-    <div id="content" style="display:none;"></div>
-    <pre id="test"></pre>
-    <div id="drag1" ondragstart="doOnDragStart(event);">Need some space here</div>
-    <div id="drag2" ondragstart="doOnDragStart(event);">Need more space</div>
-    <div id="dragfile" ondragstart="doOnDragStart(event);">Sure why not here too</div>
-  </body>
-</window>
diff --git a/testing/mochitest/chrome/test_synthesizeDrop.xul b/testing/mochitest/chrome/test_synthesizeDrop.xul
deleted file mode 100644
index 06b7a63fe16..00000000000
--- a/testing/mochitest/chrome/test_synthesizeDrop.xul
+++ /dev/null
@@ -1,122 +0,0 @@
-<?xml version="1.0"?>
-<!--
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Mozilla Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2009
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *   Phil Lacy <philbaseless-firefox@yahoo.com> (Original Author)
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-/**
- * Assure EventUtils can perform synthesizeDrop as specified
- */
-
--->
-<window title="Mozilla Bug 462172 extra tests for synthesizeDrop"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        onload="setTimeout(test,0)">
-  <script type="application/javascript"
-          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
-  <script type="application/javascript"
-          src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
-  <script type="application/javascript">
-  <![CDATA[
-
-  /** Test for Bug 462172 synthesizeDrop**/
-
-var gSetDropEffect = true;
-var gData;
-var gEnter = false;
-var gOver  = false;
-var drag1 = [[
-  { type    : "text/plain",
-    data    : "This is a test" }
-]];
-
-function doOnDrop(aEvent)
-{
-  gData = aEvent.dataTransfer.getData(drag1[0][0].type);
-  aEvent.preventDefault(); // cancels event and keeps dropEffect
-                           // as was before event.
-}
-
-function doOnDragEnter(aEvent)
-{
-  gEnter = true;
-  aEvent.dataTransfer.effectAllowed = "all";
-  aEvent.preventDefault(); // sets target this element
-}
-
-function doOnDragOver(aEvent)
-{
-  gOver = true;
-  if (gSetDropEffect)
-    aEvent.dataTransfer.dropEffect = "copy";
-  aEvent.preventDefault();
-}
-
-SimpleTest.waitForExplicitFinish();
-
-function test() {
-
-  var result;
-  // Now we can run our tests
-  result = synthesizeDrop($("drag1"), $("drag1"), drag1, null, window);
-  ok(gEnter, "Fired dragenter");
-  ok(gOver,  "Fired dragover");
-  is(result, "copy", "copy is dropEffect");
-  is(gData, drag1[0][0].data, "Received valid drop data");
-
-  gSetDropEffect = false;
-  result = synthesizeDrop($("drag1"), $("drag1"), drag1, "link", window);
-  is(result, "link", "link is dropEffect");
-
-  SimpleTest.finish();
-
-}
-
-  ]]>
-  </script>
-
-  <body xmlns="http://www.w3.org/1999/xhtml">
-    <p id="display"></p>
-    <div id="content" style="display:none;"></div>
-    <pre id="test"></pre>
-    <div id="drag1" ondragover  ="doOnDragOver(event);"
-                    ondragenter ="doOnDragEnter(event);"
-                    ondragleave ="doOnDragLeave(event);"
-                    ondrop      ="doOnDrop(event);">
-    Need some depth and height to drag here
-    </div>
-  </body>
-</window>
diff --git a/testing/mochitest/tests/Makefile.in b/testing/mochitest/tests/Makefile.in
index 3aa1171cdfd..1fe966a24e5 100644
--- a/testing/mochitest/tests/Makefile.in
+++ b/testing/mochitest/tests/Makefile.in
@@ -54,8 +54,12 @@ include $(topsrcdir)/config/rules.mk
 
 _TEST_FILES = \
   test_sanity.html \
+  test_sanityEventUtils.html \
   test_sanityException.html \
   test_sanityException2.html \
+  test_sanityPluginUtils.html \
+  test_sanitySimpletest.html \
+  test_sanityWindowSnapshot.html \
   test_SpecialPowersExtension.html \
   test_SpecialPowersExtension2.html \
   file_SpecialPowersFrame1.html \
diff --git a/testing/mochitest/tests/SimpleTest/EventUtils.js b/testing/mochitest/tests/SimpleTest/EventUtils.js
index 14656255fc2..094315677a1 100644
--- a/testing/mochitest/tests/SimpleTest/EventUtils.js
+++ b/testing/mochitest/tests/SimpleTest/EventUtils.js
@@ -5,6 +5,14 @@
  *  sendChar
  *  sendString
  *  sendKey
+ *  synthesizeMouse
+ *  synthesizeMouseAtCenter
+ *  synthesizeMouseScroll
+ *  synthesizeKey
+ *  synthesizeMouseExpectEvent
+ *  synthesizeKeyExpectEvent
+ *
+ *  When adding methods to this file, please add a performance test for it.
  */
 
 /**
@@ -541,11 +549,6 @@ function _getDOMWindowUtils(aWindow)
                  getInterface(Components.interfaces.nsIDOMWindowUtils);
 }
 
-/*
- * synthesizeComposition, synthesizeText and synthesizeQuerySelectedText
- * are only used by layout/base/tests/test_reftests_with_caret.html.
- */
-
 /**
  * Synthesize a composition event.
  *
diff --git a/testing/mochitest/tests/test_SpecialPowersExtension.html b/testing/mochitest/tests/test_SpecialPowersExtension.html
index af00a2550fa..ea7d80527ca 100644
--- a/testing/mochitest/tests/test_SpecialPowersExtension.html
+++ b/testing/mochitest/tests/test_SpecialPowersExtension.html
@@ -3,7 +3,6 @@
 <head>
   <title>Test for SpecialPowers extension</title>
   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body onload="starttest();">
@@ -31,8 +30,10 @@ function dispatchTestEvent() {
 
 dump("\nSPECIALPTEST:::Test script loaded " + (new Date).getTime() + "\n");
 SimpleTest.waitForExplicitFinish();
+var startTime = new Date();
 function starttest(){
   dump("\nSPECIALPTEST:::Test script running after load " + (new Date).getTime() + "\n");
+
   /** Test for SpecialPowers extension **/
   is(SpecialPowers.sanityCheck(), "foo", "check to see whether the Special Powers extension is installed.");
 
@@ -75,9 +76,17 @@ function starttest(){
   is(SpecialPowers.DOMWindowUtils.getClassName(window), "Proxy");
   is(SpecialPowers.DOMWindowUtils.docCharsetIsForced, false);
 
+  //Run the createSystemXHR method
+  var xhr = SpecialPowers.createSystemXHR();
+  ok(xhr, "createSystemXHR should not return null");
+  is(xhr.readyState, XMLHttpRequest.UNSENT, "createSystemXHR should create an unsent XMLHttpRequest object");
+  
+  //try to run garbage collection
+  SpecialPowers.gc();
+
+  SimpleTest.info("\nProfile::SpecialPowersRunTime: " + (new Date() - startTime) + "\n");
   SimpleTest.finish();
 }
-//starttest();
 </script>
 </pre>
 </body>
diff --git a/testing/mochitest/tests/test_SpecialPowersExtension2.html b/testing/mochitest/tests/test_SpecialPowersExtension2.html
index 4a07a3d14ba..ac2a7682149 100644
--- a/testing/mochitest/tests/test_SpecialPowersExtension2.html
+++ b/testing/mochitest/tests/test_SpecialPowersExtension2.html
@@ -3,7 +3,6 @@
 <head>
   <title>Test for SpecialPowers extension</title>
   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body>
diff --git a/testing/mochitest/tests/test_sanityEventUtils.html b/testing/mochitest/tests/test_sanityEventUtils.html
new file mode 100644
index 00000000000..421759074b9
--- /dev/null
+++ b/testing/mochitest/tests/test_sanityEventUtils.html
@@ -0,0 +1,167 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Profiling test suite for EventUtils</title>
+  <script type="text/javascript">
+  var start = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+  <script type="text/javascript">
+  var loadTime = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body onload="starttest()">
+<input type="radio" id="radioTarget1" name="group">Radio Target 1</input>
+<input id="textBoxA">
+<input id="textBoxB">
+<input id="testMouseEvent" type="button" value="click">
+<input id="testKeyEvent" >
+<input id="testStrEvent" >
+<div id="scrollB" style="width: 190px;height: 250px;overflow:auto">
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+<p>blah blah blah blah</p>
+</div>
+<script class="testbody" type="text/javascript">
+SimpleTest.info("\nProfile::EventUtilsLoadTime: " + (loadTime - start) + "\n");
+function starttest() {
+  SimpleTest.waitForFocus(
+    function () {
+      SimpleTest.waitForExplicitFinish();
+      var startTime = new Date();
+      var check = false;
+      
+      /* test send* functions */
+      $("testMouseEvent").addEventListener("click", function() { check=true; }, false);
+      sendMouseEvent({type:'click'}, "testMouseEvent");
+      is(check, true, 'sendMouseEvent should dispatch click event');
+      
+      check = false;
+      $("testKeyEvent").addEventListener("keypress", function() { check = true; }, false);
+      $("testKeyEvent").focus();
+      sendChar("x", "testKeyEvent");
+      is($("testKeyEvent").value, "x", "sendChar should work");
+      is(check, true, "sendChar should dispatch keyPress");
+      $("testKeyEvent").value = "";
+    
+      sendString("string", "testStrEvent");
+      is($("testStrEvent").value, "string", "sendString should work");
+      $("testStrEvent").value = "";
+    
+      check = false;
+      sendKey("DOWN", "testKeyEvent");
+      is(check, true, "sendKey should dispatch keyPress");
+    
+      /* test synthesizeMouse* */
+      //focus trick enables us to run this in iframes
+      $("radioTarget1").addEventListener('focus', function (aEvent) {
+        $("radioTarget1").removeEventListener('focus', arguments.callee, false);
+        synthesizeMouse($("radioTarget1"), 1, 1, {});
+        is($("radioTarget1").checked, true, "synthesizeMouse should work")
+        $("radioTarget1").checked = false;
+        disableNonTestMouseEvents(true);
+        synthesizeMouse($("radioTarget1"), 1, 1, {});
+        is($("radioTarget1").checked, true, "synthesizeMouse should still work with non-test mouse events disabled");
+        $("radioTarget1").checked = false;
+        disableNonTestMouseEvents(false);
+      });
+      $("radioTarget1").focus();
+
+      //focus trick enables us to run this in iframes
+      $("textBoxA").addEventListener("focus", function (aEvent) {
+        $("textBoxA").removeEventListener("focus", arguments.callee, false);
+        check = false;
+        $("textBoxA").addEventListener("click", function() { check = true; }, false);
+        synthesizeMouseAtCenter($("textBoxA"), {});
+        is(check, true, 'synthesizeMouse should dispatch mouse event');
+    
+        check = false;
+        synthesizeMouseExpectEvent($("textBoxA"), 1, 1, {}, $("textBoxA"), "click", "synthesizeMouseExpectEvent should fire click event");
+        is(check, true, 'synthesizeMouse should dispatch mouse event');
+      });
+      $("textBoxA").focus();
+    
+      /**
+       * TODO: testing synthesizeMouseScroll requires a setTimeout 
+       * since there is delay between the scroll event and a check, so for now just test
+       * that we can successfully call it to avoid having setTimeout vary the runtime metric.
+       * Testing of this method is currently done here:
+       * toolkit/content/tests/chrome/test_mousescroll.xul
+       */
+      synthesizeMouseScroll($("scrollB"), 5, 5, {'delta': 10, 'type': "DOMMouseScroll"});
+    
+      /* test synthesizeKey* */
+      check = false;
+      $("testKeyEvent").addEventListener("keypress", function() { check = true; }, false);
+      $("testKeyEvent").focus();
+      synthesizeKey("a", {});
+      is($("testKeyEvent").value, "a", "synthesizeKey should work");
+      is(check, true, "synthesizeKey should dispatch keyPress");
+      $("testKeyEvent").value = "";
+    
+      check = false;
+      synthesizeKeyExpectEvent("a", {}, $("testKeyEvent"), "keypress");
+      is($("testKeyEvent").value, "a", "synthesizeKey should work");
+      is(check, true, "synthesizeKey should dispatch keyPress");
+      $("testKeyEvent").value = "";
+    
+      /* test synthesizeComposition */
+      check = false;
+      window.addEventListener("compositionstart", function() { check = true; }, false);
+      synthesizeComposition(true);
+      is(check, true, 'synthesizeComposition(true) should dispatch compositionstart');
+    
+      check = false;
+      window.addEventListener("compositionend", function() { check = true; }, false);
+      synthesizeComposition();
+      is(check, true, 'synthesizeComposition() should dispatch compositionend');
+      check = false;
+    
+      $("textBoxB").focus();
+      const nsIDOMWindowUtils = Components.interfaces.nsIDOMWindowUtils;
+      synthesizeText(
+        { "composition":
+          { "string": "a",
+            "clauses":
+            [
+              { "length": 1, "attr": nsIDOMWindowUtils.COMPOSITION_ATTR_RAWINPUT }
+            ]
+          },
+          "caret": { "start": 1, "length": 0 }
+        }
+      );
+      is(check, false, "synthesizeText shouldn't start or end composition");
+      is($("textBoxB").value, "a", "synthesizeText should send text");
+      var querySelectedText = synthesizeQuerySelectedText();
+      ok(querySelectedText, "query selected text event result is null");
+      netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect'); //get permission to check members of querySelectedText
+      ok(querySelectedText.succeeded, "query selected text event failed");
+      is(querySelectedText.offset, 1,
+         "query selected text event returns wrong offset");
+      is(querySelectedText.text, "",
+         "query selected text event returns wrong selected text");
+      $("textBoxB").value = "";
+    
+      querySelectedText = synthesizeQuerySelectedText();
+      ok(querySelectedText, "query selected text event result is null");
+      ok(querySelectedText.succeeded, "query selected text event failed");
+      is(querySelectedText.offset, 0,
+         "query selected text event returns wrong offset");
+      is(querySelectedText.text, "",
+         "query selected text event returns wrong selected text");
+      var endTime = new Date();
+      SimpleTest.info("\nProfile::EventUtilsRunTime: " + (endTime-startTime) + "\n");
+      SimpleTest.finish();
+    }
+  );
+};
+</script>
+</body>
+</html>
diff --git a/testing/mochitest/tests/test_sanityPluginUtils.html b/testing/mochitest/tests/test_sanityPluginUtils.html
new file mode 100644
index 00000000000..f23f70a3e5d
--- /dev/null
+++ b/testing/mochitest/tests/test_sanityPluginUtils.html
@@ -0,0 +1,39 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Profiling test suite for PluginUtils</title>
+  <script type="text/javascript">
+  var start = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/PluginUtils.js"></script>
+  <script type="text/javascript">
+  var loadTime = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body onload="starttest()">
+<!-- load the test plugin defined at $(DIST)/bin/plugins/Test.plugin/ -->
+<embed id="plugin1" type="application/x-test" width="200" height="200"></embed>
+<script class="testbody" type="text/javascript">
+SimpleTest.info("\nProfile::PluginUtilsLoadTime: " + (loadTime - start) + "\n");
+function starttest() {
+  SimpleTest.waitForExplicitFinish();
+  var startTime = new Date();
+  //increase the runtime of the test so it is detectible, otherwise we get 0-1ms
+  runtimes = 100;
+  function runTest(plugin) {
+    is(plugin.version, "1.0.0.0", "Make sure version is correct");
+    is(plugin.name, "Test Plug-in");
+  };
+  while (runtimes > 0) {
+    ok(PluginUtils.withTestPlugin(runTest), "Test plugin should be found");
+    --runtimes;
+  }
+  var endTime = new Date();
+  SimpleTest.info("\nProfile::PluginUtilsRunTime: " + (endTime-startTime) + "\n");
+  SimpleTest.finish();
+};
+</script>
+</body>
+</html>
diff --git a/testing/mochitest/tests/test_sanitySimpletest.html b/testing/mochitest/tests/test_sanitySimpletest.html
new file mode 100644
index 00000000000..8e907c4192e
--- /dev/null
+++ b/testing/mochitest/tests/test_sanitySimpletest.html
@@ -0,0 +1,97 @@
+<!--This test should be updated each time new functionality is added to SimpleTest-->
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Profiling test suite for SimpleTest</title>
+  <script type="text/javascript">
+  var start = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+  <script type="text/javascript">
+  var loadTime = new Date();
+  </script>
+</head>
+<body>
+<input id="textB"/>
+<script class="testbody" type="text/javascript">
+SimpleTest.info("Profile::SimpleTestLoadTime: " + (loadTime - start));
+var startTime = new Date();
+SimpleTest.waitForExplicitFinish();
+function starttest() {
+  SimpleTest.waitForFocus(
+    function() {
+      //test log
+      SimpleTest.info("Logging some info")
+    
+      //basic usage
+      ok(true, "test ok", "This should be true");
+      is(0, 0, "is() test failed");
+      isnot(0, 1, "isnot() test failed");
+    
+      //todo tests
+      todo(false, "test todo", "todo() test should not pass");
+      todo_is(false, true, "test todo_is");
+      todo_isnot(true, true, "test todo_isnot");
+    
+      //misc
+      is(typeof(SimpleTest.testPluginIsOOP()), "boolean", 'testPluginIsOOP should be bool');
+      SimpleTest.requestLongerTimeout(1);
+    
+      //note: this test may alter runtimes as it waits
+      var check = false;
+      $('textB').focus();
+      SimpleTest.waitForClipboard("a",
+        function () {
+          Components.classes["@mozilla.org/widget/clipboardhelper;1"]
+                    .getService(Components.interfaces.nsIClipboardHelper)
+                    .copyString("a");
+        },
+        function () {
+          check = true;
+        },
+        function () {
+          check = false;
+        }
+      );
+      is(check, true, "waitForClipboard should work");
+    
+      //use helper functions
+      var div1 = createEl('div', {'id': 'somediv', 'display': 'block'}, "I am a div");
+      document.body.appendChild(div1);
+      var divObj = this.getElement('somediv');
+      is(divObj, div1, 'createEl did not create element as expected');
+      is($('somediv'), divObj, '$ helper did not get element as expected');
+      is(computedStyle(divObj, 'display'), 'block', 'computedStyle did not get right display value');
+      document.body.removeChild(div1);
+    
+      //use waitForFocus
+      //note: this also adds a short wait period
+      SimpleTest.executeSoon(
+        function () {
+          //finish() calls a slew of SimpleTest functions
+          SimpleTest.finish();
+          //call this after finish so we can make sure it works and doesn't hang our process
+          SimpleTest.expectUncaughtException();
+          throw "i am an uncaught exception"
+          /**
+           * Actually testing a crash of a child process ended up with wildly variable runtimes,
+           * on the scale of >1 second, so just make sure we can safely call the method
+           */
+          SimpleTest.expectChildProcessCrash();
+          var endTime = new Date();
+          SimpleTest.info("Profile::SimpleTestRunTime: " + (endTime-startTime));
+        }
+      );
+    }
+  );
+};
+//use addLoadEvent
+addLoadEvent(
+  function() {
+    starttest();
+  }
+);
+</script>
+</body>
+</html>
diff --git a/testing/mochitest/tests/test_sanityWindowSnapshot.html b/testing/mochitest/tests/test_sanityWindowSnapshot.html
new file mode 100644
index 00000000000..0981c7c179f
--- /dev/null
+++ b/testing/mochitest/tests/test_sanityWindowSnapshot.html
@@ -0,0 +1,35 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Profiling test suite for WindowSnapshot</title>
+  <script type="text/javascript">
+  var start = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script>
+  <script type="text/javascript">
+  var loadTime = new Date();
+  </script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body onload="starttest()">
+<script class="testbody" type="text/javascript">
+SimpleTest.info("\nProfile::WindowSnapshotLoadTime: " + (loadTime - start) + "\n");
+function starttest() {
+  SimpleTest.waitForExplicitFinish();
+  var startTime = new Date();
+  var snap = snapshotWindow(window, false);
+  var snap2 = snapshotWindow(window, false);
+  is(compareSnapshots(snap, snap2, true)[0], true, "this should be true");
+  var div1 = createEl('div', {'id': 'somediv', 'display': 'block'}, "I am a div");
+  document.body.appendChild(div1);
+  snap2 = snapshotWindow(window, false);
+  is(compareSnapshots(snap, snap2, true)[0], false, "this should be false");
+  document.body.removeChild(div1);
+  var endTime = new Date();
+  SimpleTest.info("\nProfile::WindowSnapshotRunTime: " + (endTime-startTime) + "\n");
+  SimpleTest.finish();
+};
+</script>
+</body>
+</html>