Defer iframe JavaScript URL evaluation

LayoutTests/fast/frames/out-of-document-iframe-has-child-frame.html

Index: LayoutTests/fast/frames/out-of-document-iframe-has-child-frame.html
diff --git a/LayoutTests/fast/frames/out-of-document-iframe-has-child-frame.html b/LayoutTests/fast/frames/out-of-document-iframe-has-child-frame.html
index 9a033edaef924292043a04b361b927bf72e012db..7c9c7ed60b473c21abb3d617788147d034426b45 100644
--- a/LayoutTests/fast/frames/out-of-document-iframe-has-child-frame.html
+++ b/LayoutTests/fast/frames/out-of-document-iframe-has-child-frame.html
@@ -9,6 +9,7 @@ description("This tests that several ways of making an iframe that isn't inserte
     + " but has a child frame will fail.");
 
 main = document.getElementById("main");
+window.jsTestIsAsync = true;
 
 try {
     container = main.appendChild(document.createElement("div"));
@@ -44,9 +45,13 @@ try {
     helperFrame.src = "javascript:top.container.removeChild(top.targetFrame3)";
     document.body.appendChild(container);
 } catch (e) { }
-shouldBeTrue("targetFrame3.contentWindow == undefined");
 
-isSuccessfullyParsed();
+setTimeout(function() {
+    shouldBeTrue("targetFrame3.contentWindow == undefined");
+    finishJSTest();
+}, 0);
+
+
 </script>
 </body>
 </html>