Bug 914940 - Remove some enablePrivilige calls. r=jgriffin

caps/tests/mochitest/test_bug470804.html

@@ -21,10 +21,8 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=470804
     Passing a null targetURL to checkLoadURIWithPrincipal shouldn't crash
  **/
 
-netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-const nsIScriptSecurityManager = Components.interfaces.nsIScriptSecurityManager;
-var secMan = SpecialPowers.Cc["@mozilla.org/scriptsecuritymanager;1"]
-                       .getService(nsIScriptSecurityManager);
+const nsIScriptSecurityManager = SpecialPowers.Ci.nsIScriptSecurityManager;
+var secMan = SpecialPowers.Services.scriptSecurityManager;
 var principal = SpecialPowers.wrap(document).nodePrincipal;
 isnot(principal, undefined, "Should have a principal");
 isnot(principal, null, "Should have a non-null principal");

content/base/test/copypaste.js

@@ -30,12 +30,10 @@ function getLoadContext() {
 }
 
 function testCopyPaste (isXHTML) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-
   var suppressUnicodeCheckIfHidden = !!isXHTML;
   var suppressHTMLCheck = !!isXHTML;
 
-  var webnav = window.QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
+  var webnav = SpecialPowers.wrap(window).QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
                      .getInterface(SpecialPowers.Ci.nsIWebNavigation)
 
   var docShell = webnav.QueryInterface(SpecialPowers.Ci.nsIDocShell);
@@ -43,8 +41,7 @@ function testCopyPaste (isXHTML) {
   var documentViewer = docShell.contentViewer
                                .QueryInterface(SpecialPowers.Ci.nsIContentViewerEdit);
 
-  var clipboard = SpecialPowers.Cc["@mozilla.org/widget/clipboard;1"]
-                            .getService(SpecialPowers.Ci.nsIClipboard);
+  var clipboard = SpecialPowers.Services.clipboard;
 
   var textarea = SpecialPowers.wrap(document.getElementById('input'));
 
@@ -88,14 +85,14 @@ function testCopyPaste (isXHTML) {
     transferable.init(getLoadContext());
     transferable.addDataFlavor(mime);
     clipboard.getData(transferable, 1);
-    var data = {};
+    var data = SpecialPowers.createBlankObject();
     transferable.getTransferData(mime, data, {}) ;
     return data;
   }
   function testClipboardValue(mime, expected) {
     if (suppressHTMLCheck && mime == "text/html")
       return null;
-    var data = getClipboardData(mime);
+    var data = SpecialPowers.wrap(getClipboardData(mime));
     is (data.value == null ? data.value :
         data.value.QueryInterface(SpecialPowers.Ci.nsISupportsString).data,
       expected,

content/base/test/file_bug557892.html

@@ -12,11 +12,8 @@ function run() {
 }
 
 function forcegc(){
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  Components.utils.forceGC();
-  var wu =  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                  .getInterface(Components.interfaces.nsIDOMWindowUtils);
-  wu.garbageCollect();
+  SpecialPowers.forceGC();
+  SpecialPowers.gc();
 }
 
     </script>

content/base/test/test_XHRSendData.html

@@ -38,8 +38,6 @@ testDoc2.appendChild(testDoc2.createElement("res"));
 testDoc2.documentElement.appendChild(testDoc2.createTextNode("text"));
 is(testDoc2.inputEncoding, null, "wrong encoding");
 
-netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-
 var testData = "blahblahblahblahblahblahblaaaaaaaah. blah.";
 var extensions = [".txt",".png",".jpg",".gif",".xml", "noext"];
 var fileTypes = ["text/plain", "image/png", "image/jpeg", "image/gif", "text/xml", null];
@@ -72,14 +70,13 @@ extensions.forEach(
       testFiles.push(testFile);
 
       var fileList = document.getElementById('fileList');
-      fileList.value = testFile.path;
+      SpecialPowers.wrap(fileList).value = testFile.path;
       testDOMFiles.push(fileList.files[0]);
     }
 );
 
 function createFileWithDataExt(fileData, extension) {
-  var dirSvc = SpecialPowers.Cc["@mozilla.org/file/directory_service;1"].getService(SpecialPowers.Ci.nsIProperties);
-  var testFile = dirSvc.get("ProfD", SpecialPowers.Ci.nsIFile);
+  var testFile = SpecialPowers.Services.dirsvc.get("ProfD", SpecialPowers.Ci.nsIFile);
   testFile.append("testfile" + extension);
   var outStream = SpecialPowers.Cc["@mozilla.org/network/file-output-stream;1"].createInstance(SpecialPowers.Ci.nsIFileOutputStream);
   outStream.init(testFile, 0x02 | 0x08 | 0x20, 0666, 0);

content/base/test/test_bug218236.html

@@ -65,8 +65,6 @@ function runNextTest() {
   if (tests.length > 0) {
     var test = tests.shift();
 
-    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-
     // Initialize state variables
     testName = test[0]
     currentState = 0;

content/base/test/test_bug382871.html

@@ -33,10 +33,7 @@ function runTest() {
   xhr.open("GET", "test_bug382871.html");
   xhr.send();
   xhr = null;
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
+  SpecialPowers.gc();
 }
 
 SimpleTest.waitForExplicitFinish();

content/base/test/test_bug403852.html

@@ -21,14 +21,11 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=403852
 <pre id="test">
 <script class="testbody" type="text/javascript">
 
-netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-
-var dirSvc = SpecialPowers.Cc["@mozilla.org/file/directory_service;1"].getService(SpecialPowers.Ci.nsIProperties);
-var testFile = dirSvc.get("ProfD", SpecialPowers.Ci.nsIFile);
+var testFile = SpecialPowers.Services.dirsvc.get("ProfD", SpecialPowers.Ci.nsIFile);
 testFile.append("prefs.js");
 
 var fileList = document.getElementById('fileList');
-fileList.value = testFile.path;
+SpecialPowers.wrap(fileList).value = testFile.path;
 
 // Make sure the file is accessible with indexed notation
 var domFile = fileList.files[0];

content/base/test/test_bug416383.html

@@ -21,16 +21,13 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=416383
 /** Test for Bug 416383 **/
 
 function runTest() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   var testParent = document.getElementById("test_parent");
   var attrs = testParent.firstChild.attributes;
   ok(attrs != null, "Element should have attributes!");
   var attr = testParent.firstChild.getAttributeNode("someattr");
   ok(attr.value == "foo", "The value of the attribute should be 'foo'!");
   testParent.removeChild(testParent.firstChild);
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
+  SpecialPowers.gc();
   ok(true, "Browser should not crash!")
 
 }

content/base/test/test_bug421602.html

@@ -23,13 +23,6 @@ SimpleTest.waitForExplicitFinish();
 var img1loaded = false;
 var img1errored = false;
 
-function gc() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
-}
-
 // Our test image
 function loadTestImage() {
   var img1 = new Image();
@@ -46,7 +39,7 @@ function loadTestImage() {
 loadTestImage();
 
 // Probably overkill to gc() more than once, but let's be safe
-gc(); gc(); gc();
+SpecialPowers.gc(); SpecialPowers.gc(); SpecialPowers.gc();
 
 function finishTest() {
   is(img1errored, true, "Image 1 should error");

content/base/test/test_bug448993.html

@@ -19,13 +19,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=448993
 
 /** Test for Bug 448993 **/
 
-function gc() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
-}
-
 function runTest() {
   var a = document.getElementById("a");
   var b = document.getElementById("b");
@@ -37,7 +30,7 @@ function runTest() {
   r.extractContents();
   var s = document.createRange();
   s.setEnd(b, 0); 
-  gc();
+  SpecialPowers.gc();
   s.deleteContents();
   ok(true, "test did not crash");
   SimpleTest.finish();

content/base/test/test_bug456262.html

@@ -20,14 +20,11 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=456262
 /** Test for Bug 456262 **/
 
 function runTest() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   document.expando = document;
   document.documentElement.expando = document;
   document.documentElement.setAttribute("foo", "bar");
   document.documentElement.getAttributeNode("foo").expando = document;
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
+  SpecialPowers.gc();
   ok(document.expando, "Should have preserved the expando!");
   ok(document.documentElement.expando, "Should have preserved the expando!");
   ok(document.documentElement.getAttributeNode('foo').expando,

content/base/test/test_bug459424.html

@@ -20,16 +20,9 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=459424
 /** Test for Bug 459424 **/
 SimpleTest.waitForExplicitFinish();
 addLoadEvent(function() {
-  netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-  var viewer =
-    window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-          .getInterface(Components.interfaces.nsIWebNavigation)
-          .QueryInterface(Components.interfaces.nsIDocShell)
-          .contentViewer
-          .QueryInterface(Components.interfaces.nsIMarkupDocumentViewer);
-  viewer.fullZoom = 2;
+  SpecialPowers.setFullZoom(window, 2);
   is(true, true, "Gotta test something");
-  viewer.fullZoom = 1;
+  SpecialPowers.setFullZoom(window, 1);
   SimpleTest.finish();
 });
 </script>

content/base/test/test_bug465767.html

@@ -19,19 +19,12 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=465767
 
 /** Test for Bug 465767 **/
 
-function CC() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
-}
-
 function runTest() {
   var node = document.createElement("div");
   var e = null;
   try {
     document.implementation.createDocument("", "", null).adoptNode(node);
-    CC();
+    SpecialPowers.gc();
     document.implementation.createDocument("", "", null).adoptNode(node);
   } catch(ex) {
     e = ex;

content/base/test/test_bug592829.html

@@ -19,12 +19,10 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=592829
 // If we ever change how DOMParser initilization works, just update this code
 // to create a DOMParser which is not allowed to parse XUL.
 
-netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-
 var isXUL = true;
 try {
   var x =
-    Components.classes["@mozilla.org/xmlextras/domparser;1"]
+    SpecialPowers.Cc
       .getService(Components.interfaces.nsIDOMParser)
       .parseFromString('<overlay xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"/>', "text/xml");
   isXUL = x.documentElement.namespaceURI ==

content/base/test/test_mozfiledataurl.html

@@ -209,10 +209,8 @@ function getFile(name) {
     basePath = xhr.responseText;
   }
 
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-
   var fileList = document.getElementById('fileList');
-  fileList.value = basePath + name;
+  SpecialPowers.wrap(fileList).value = basePath + name;
 
   return fileList.files[0];
 }

content/canvas/test/webgl/test_webgl_conformance_test_suite.html

@@ -90,10 +90,7 @@ function start() {
     kOS = OS_WINDOWS;
     
     // code borrowed from browser/modules/test/browser_taskbar_preview.js
-    netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-    var version = SpecialPowers.Cc['@mozilla.org/system-info;1']
-                               .getService(SpecialPowers.Ci.nsIPropertyBag2)
-                               .getProperty('version');
+    var version = SpecialPowers.Services.sysinfo.getProperty('version');
     kOSVersion = parseFloat(version);
     // Version 6.0 is Vista, 6.1 is 7.
   } else if (navigator.platform.indexOf('Mac') == 0) {
@@ -139,7 +136,6 @@ function start() {
     requestLongerTimeoutLen = 6;
 
   function getEnv(env) {
-    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
     var envsvc = SpecialPowers.Cc["@mozilla.org/process/environment;1"].getService(SpecialPowers.Ci.nsIEnvironment);
     var val = envsvc.get(env);
     if (val == "")

content/events/test/bug426082.html

@@ -49,8 +49,7 @@ function isRectContainedInRectFromRegion(rect, region) {
 }
 
 function paintListener(e) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  if (isRectContainedInRectFromRegion(buttonRect(), e.clientRects)) {
+  if (isRectContainedInRectFromRegion(buttonRect(), SpecialPowers.wrap(e).clientRects)) {
     gNeedsPaint = false;
     currentSnapshot = takeSnapshot();
   }

content/events/test/bug656379-1.html

@@ -65,8 +65,7 @@ function isRectContainedInRectFromRegion(rect, region) {
 }
 
 function paintListener(e) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  if (isRectContainedInRectFromRegion(buttonRect(), e.clientRects)) {
+  if (isRectContainedInRectFromRegion(buttonRect(), SpecialPowers.wrap(e).clientRects)) {
     gNeedsPaint = false;
     currentSnapshot = takeSnapshot();
   }

content/events/test/test_bug402089.html

@@ -52,9 +52,7 @@ function clickHandler(e) {
 
 function doTest() {
   window.addEventListener("click", clickHandler, true);
-  netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-  var utils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
-                     getInterface(Components.interfaces.nsIDOMWindowUtils);
+  var utils = SpecialPowers.getDOMWindowUtils(window);
   utils.sendMouseEvent("mousedown", 1, 1, 0, 1, 0);
   utils.sendMouseEvent("mouseup", 1, 1, 0, 1, 0);
 

content/events/test/test_bug448602.html

@@ -151,8 +151,7 @@ function runTests() {
 }
 
 function dispatchTrusted(t, o) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  t.dispatchEvent(new Event("testevent", o));
+  SpecialPowers.dispatchEvent(window, t, new Event("testevent", o));
 }
 
 function testAllListener() {

content/events/test/test_bug450876.html

@@ -20,14 +20,11 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=450876
 /** Test for Bug 450876 **/
 
 function doTest() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   is(document.activeElement, document.body, "body element should be focused");
   document.getElementById('a').focus();
   is(document.activeElement, document.getElementById('a'), "link should have focus");
-  var wu =  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                .getInterface(Components.interfaces.nsIDOMWindowUtils);
   is(document.hasFocus(), true, "document should be focused");
-  wu.sendKeyEvent('keypress',  9, 0, 0);
+  SpecialPowers.DOMWindowUtils.sendKeyEvent('keypress',  9, 0, 0);
   is(document.activeElement, document.getElementById('a'), "body element should be focused");
   is(document.hasFocus(), false, "document should not be focused");
 

content/events/test/test_bug456273.html

@@ -23,12 +23,11 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=456273
 /** Test for Bug 456273 **/
 
 function doTest() {
-  netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-
   var ev = document.createEvent('KeyEvents');
   ev.initKeyEvent("keypress", true, true, null, true, false,
                  false, false, 0, "z".charCodeAt(0));
-  document.getElementById('edit456273').dispatchEvent(ev);
+  SpecialPowers.dispatchEvent(window, document.getElementById('edit456273'), ev);
+
   ok(true, "PASS");
   SimpleTest.finish();
 }

content/events/test/test_bug605242.html

@@ -21,19 +21,14 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=605242
 
 SimpleTest.waitForExplicitFinish();
 
+var utils = SpecialPowers.getDOMWindowUtils(window);
 function sendMouseDown(el) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   var rect = el.getBoundingClientRect();
-  var utils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                    .getInterface(Components.interfaces.nsIDOMWindowUtils);
   utils.sendMouseEvent('mousedown', rect.left + 5, rect.top + 5, 0, 1, 0);
 }
 
 function sendMouseUp(el) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   var rect = el.getBoundingClientRect();
-  var utils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                    .getInterface(Components.interfaces.nsIDOMWindowUtils);
   utils.sendMouseEvent('mouseup', rect.left + 5, rect.top + 5, 0, 1, 0);
 }
 

content/html/content/test/forms/test_pattern_attribute.html

@@ -34,11 +34,6 @@ function invalidEventHandler(e)
 
 function completeValidityCheck(element, alwaysValid, isBarred)
 {
-  if (element.type == 'file') {
-    // Need privileges to set a filename with .value.
-    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  }
-
   // Check when pattern matches.
   if (element.type == 'email') {
     element.pattern = ".*@bar.com";
@@ -48,7 +43,7 @@ function completeValidityCheck(element, alwaysValid, isBarred)
     element.value = "http://mozilla.com";
   } else {
     element.pattern = "foo";
-    element.value = "foo";
+    SpecialPowers.wrap(element).value = "foo";
   }
 
   checkValidPattern(element, true, isBarred);
@@ -63,7 +58,7 @@ function completeValidityCheck(element, alwaysValid, isBarred)
     element.value = "http://mozilla.org";
   } else {
     element.pattern = "foo";
-    element.value = "bar";
+    SpecialPowers.wrap(element).value = "bar";
   }
 
   if (!alwaysValid) {

content/html/content/test/forms/test_validation.html

@@ -268,10 +268,8 @@ function checkValidityStateObjectAliveWithoutElement(element)
   // Then, we make sure it is removed by the garbage collector and we check the
   // ValidityState default values (it should not crash).
 
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   var v = document.createElement(element).validity;
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
-    getInterface(Components.interfaces.nsIDOMWindowUtils).garbageCollect();
+  SpecialPowers.gc();
 
   ok(!v.valueMissing,
     "When the element is not alive, it shouldn't suffer from constraint validation");

content/html/content/test/test_bug209275.xhtml

@@ -77,9 +77,7 @@ function link123HrefIs(href, testNum) {
 var gGen;
 
 function visitedDependentComputedStyle(win, elem, property) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  var utils = win.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
-                getInterface(Components.interfaces.nsIDOMWindowUtils);
+  var utils = SpecialPowers.getDOMWindowUtils(window);
   return utils.getVisitedDependentComputedStyle(elem, "", property);
 }
 

content/html/content/test/test_bug406596.html

@@ -25,9 +25,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=406596
 /** Test for Bug 406596 **/
 
 function testTabbing(click, focus, selectionOffset) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  var wu =  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                  .getInterface(Components.interfaces.nsIDOMWindowUtils);
+  var wu = SpecialPowers.getDOMWindowUtils(window);
 
   var elem = document.getElementById(click);
   var rect = elem.getBoundingClientRect();

content/html/content/test/test_bug421640.html

@@ -21,9 +21,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=421640
 /** Test for Bug 421640 **/
 
 function test(click, focus, nextFocus) {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  var wu =  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                  .getInterface(Components.interfaces.nsIDOMWindowUtils);
+  var wu = SpecialPowers.getDOMWindowUtils(window);
 
   var selection = window.getSelection();
   var edit = document.getElementById("edit");

content/html/content/test/test_bug460568.html

@@ -36,15 +36,14 @@ function runTest()
     range.selectNodeContents(editor);
     var prevStr = range.toString();
 
-    netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-    var docShell =
-      window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-            .getInterface(Components.interfaces.nsIWebNavigation)
-            .QueryInterface(Components.interfaces.nsIDocShell);
+    var docShell = SpecialPowers.wrap(window)
+            .QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
+            .getInterface(SpecialPowers.Ci.nsIWebNavigation)
+            .QueryInterface(SpecialPowers.Ci.nsIDocShell);
     var controller =
-          docShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-                  .getInterface(Components.interfaces.nsISelectionDisplay)
-                  .QueryInterface(Components.interfaces.nsISelectionController);
+          docShell.QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
+                  .getInterface(SpecialPowers.Ci.nsISelectionDisplay)
+                  .QueryInterface(SpecialPowers.Ci.nsISelectionController);
     var sel = controller.getSelection(controller.SELECTION_NORMAL);
     sel.collapse(anchorInEditor, 0);
     synthesizeKey('a', {});

content/html/content/test/test_bug481335.xhtml

@@ -51,10 +51,7 @@ function checkLinkColor(aElmId, aExpectedColor, aMessage) {
   // Because link coloring is asynchronous, we wait until we get the right
   // result, or we will time out (resulting in a failure).
   function getColor() {
-    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-    var utils = document.defaultView.
-                  QueryInterface(Components.interfaces.nsIInterfaceRequestor).
-                  getInterface(Components.interfaces.nsIDOMWindowUtils);
+    var utils = SpecialPowers.getDOMWindowUtils(window);
     return utils.getVisitedDependentComputedStyle($(aElmId), "", "color");
   }
   while (getColor() != aExpectedColor) {

content/html/content/test/test_formSubmission2.html

@@ -152,10 +152,7 @@ function clickImage(aTarget, aX, aY)
   aTarget.style.left = "0";
   aTarget.offsetTop;
 
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  var wu = aTarget.ownerDocument.defaultView
-    .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-    .getInterface(Components.interfaces.nsIDOMWindowUtils);
+  var wu = SpecialPowers.getDOMWindowUtils(aTarget.ownerDocument.defaultView);
 
   wu.sendMouseEvent('mousedown',  aX, aY, 0, 1, 0);
   wu.sendMouseEvent('mouseup',  aX, aY, 0, 0, 0);

content/html/document/test/test_bug446483.html

@@ -20,10 +20,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=446483
 /** Test for Bug 446483 **/
 
 function gc() {
-  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
-  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
-        .getInterface(Components.interfaces.nsIDOMWindowUtils)
-        .garbageCollect();
+  SpecialPowers.gc();
 }
 
 function runTest() {

content/html/document/test/test_viewport.html

@@ -27,10 +27,7 @@ function testViewport() {
   netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 
   /* Grab Viewport Metadata from the document header. */
-  var iRequester =
-    window.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
-  var windowUtils =
-    iRequester.getInterface(Components.interfaces.nsIDOMWindowUtils);
+  var windowUtils = SpecialPowers.getDOMWindowUtils(window);
   var vpWidth =
     parseInt(windowUtils.getDocumentMetadata("viewport-width"));
   var vpHeight =