1 files changed, 0 insertions, 22 deletions
diff --git a/dom/base/test/test_mutationobservers.html b/dom/base/test/test_mutationobservers.html
index bde07c79c..a6de89595 100644
--- a/dom/base/test/test_mutationobservers.html
+++ b/dom/base/test/test_mutationobservers.html
@@ -484,28 +484,6 @@ function testSyncXHR() {
 
 function testSyncXHR2() {
   ok(callbackHandled, "Should have called the mutation callback!");
-  then(testModalDialog);
-}
-
-function testModalDialog() {
-  var didHandleCallback = false;
-  div.innerHTML = "<span>1</span><span>2</span>";
-  m = new M(function(records, observer) {
-      is(records[0].type, "childList", "Should have got childList");
-      is(records[0].removedNodes.length, 2, "Should have got removedNodes");
-      is(records[0].addedNodes.length, 1, "Should have got addedNodes");
-      observer.disconnect();
-      m = null;
-      didHandleCallback = true;
-    });
-  m.observe(div, { childList: true });
-  div.innerHTML = "<span><span>foo</span></span>";
-  try {
-    window.showModalDialog("mutationobserver_dialog.html");
-    ok(didHandleCallback, "Should have called the callback while showing modal dialog!");
-  } catch(e) {
-    todo(false, "showModalDialog not implemented on this platform");
-  }
   then(testTakeRecords);
 }