v8binding: Makes xss-DENIED-window-name-navigator deterministic.

third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-window-name-navigator.html

Index: third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-window-name-navigator.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-window-name-navigator.html b/third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-window-name-navigator.html
index 8edcd8a92421956533b4bbbf6026048ff4c436f0..31759a844f83c69d2affc3b42c162abc7ea24092 100644
--- a/third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-window-name-navigator.html
+++ b/third_party/WebKit/LayoutTests/http/tests/security/xss-DENIED-window-name-navigator.html
@@ -1,36 +1,51 @@
+<pre id="iframe1-srcdoc" style="display: none;">
+&lt;script&gt;
+try {
+  top.navigator;
+  console.log('FAIL');
+} catch (e) {
+  console.log("iframe1: " + e.toString());
+}
+this.x = 7;
+window.name = 'navigator';
+try {
+  top.navigator;
+  console.log('FAIL');
+} catch (e) {
+  console.log("iframe1: " + e.toString());
+}
+&lt;/script&gt;
+</pre>
+
+<pre id="iframe2-srcdoc" style="display: none;">
+&lt;script&gt;
+try {
+  top.navigator;
+  console.log('FAIL');
+} catch (e) {
+  console.log("iframe2: " + e.toString());
+}
+&lt;/script&gt;
+</pre>
+
 <script>
 if (window.testRunner)
     testRunner.dumpAsText();
+
+function createIFrame(srcdoc) {
+  var iframe = document.createElement('iframe');
+  iframe.sandbox = "allow-scripts";
+  iframe.srcdoc = srcdoc;
+  return iframe;
+}
+
+var iframe1 = createIFrame(
+    document.getElementById('iframe1-srcdoc').textContent);
+var iframe2 = createIFrame(
+    document.getElementById('iframe2-srcdoc').textContent);
+
+iframe1.addEventListener('load', () => {
+  document.body.appendChild(iframe2);
+}, false);
+document.body.appendChild(iframe1);
 </script>
-<iframe
-  sandbox="allow-scripts"
-  srcdoc="
-<script>
-  try {
-    top.navigator;
-    console.log('FAIL');
-  } catch (e) {
-    console.log(e.toString());
-  }
-  this.x = 7;
-  window.name = 'navigator';
-  try {
-    top.navigator;
-    console.log('FAIL');
-  } catch (e) {
-    console.log(e.toString());
-  }
-</script>"
-></iframe>
-<iframe
-  sandbox="allow-scripts"
-  srcdoc="
-<script>
-  try {
-    top.navigator;
-    console.log('FAIL');
-  } catch (e) {
-    console.log(e.toString());
-  }
-</script>"
-></iframe>