diff --git a/dom/browser-element/mochitest/Makefile.in b/dom/browser-element/mochitest/Makefile.in
index 655344bf731c..dc82fe3b420f 100644
--- a/dom/browser-element/mochitest/Makefile.in
+++ b/dom/browser-element/mochitest/Makefile.in
@@ -81,6 +81,9 @@ MOCHITEST_FILES = \
browserElement_OpenWindowRejected.js \
test_browserElement_inproc_OpenWindowRejected.html \
file_browserElement_OpenWindowRejected.html \
+ browserElement_OpenWindowDifferentOrigin.js \
+ test_browserElement_inproc_OpenWindowDifferentOrigin.html \
+ file_browserElement_OpenWindowDifferentOrigin.html \
browserElement_SecurityChange.js \
test_browserElement_inproc_SecurityChange.html \
file_browserElement_SecurityChange.html \
@@ -130,6 +133,7 @@ MOCHITEST_FILES += \
test_browserElement_oop_OpenWindow.html \
test_browserElement_oop_OpenWindowInFrame.html \
test_browserElement_oop_OpenWindowRejected.html \
+ test_browserElement_oop_OpenWindowDifferentOrigin.html \
test_browserElement_oop_SecurityChange.html \
test_browserElement_oop_BackForward.html \
test_browserElement_oop_Reload.html \
diff --git a/dom/browser-element/mochitest/browserElement_OpenWindowDifferentOrigin.js b/dom/browser-element/mochitest/browserElement_OpenWindowDifferentOrigin.js
new file mode 100644
index 000000000000..458098e9bb60
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_OpenWindowDifferentOrigin.js
@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the public domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Bug 769182 - window.open to a different origin should load the page.
+
+"use strict";
+SimpleTest.waitForExplicitFinish();
+
+function runTest() {
+ browserElementTestHelpers.setEnabledPref(true);
+ browserElementTestHelpers.addToWhitelist();
+
+ var iframe = document.createElement('iframe');
+ iframe.mozbrowser = true;
+
+ iframe.addEventListener('mozbrowseropenwindow', function(e) {
+ ok(true, 'Got first window.open call');
+
+ e.detail.frameElement.addEventListener('mozbrowseropenwindow', function(e) {
+ ok(true, 'Got second window.open call');
+ document.body.appendChild(e.detail.frameElement);
+ });
+
+ e.detail.frameElement.addEventListener('mozbrowsershowmodalprompt', function(e) {
+ ok(true, 'Got alert from second window.');
+ SimpleTest.finish();
+ });
+
+ document.body.appendChild(e.detail.frameElement);
+ });
+
+ // DifferentOrigin.html?1 calls
+ //
+ // window.open('http://example.com/.../DifferentOrigin.html?2'),
+ //
+ // which calls alert().
+
+ iframe.src = 'http://example.org/tests/dom/browser-element/mochitest/file_browserElement_OpenWindowDifferentOrigin.html?1';
+ document.body.appendChild(iframe);
+}
+
+runTest();
diff --git a/dom/browser-element/mochitest/file_browserElement_OpenWindowDifferentOrigin.html b/dom/browser-element/mochitest/file_browserElement_OpenWindowDifferentOrigin.html
new file mode 100644
index 000000000000..dc08f341c4cd
--- /dev/null
+++ b/dom/browser-element/mochitest/file_browserElement_OpenWindowDifferentOrigin.html
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+
+
+
diff --git a/dom/browser-element/mochitest/test_browserElement_inproc_OpenWindowDifferentOrigin.html b/dom/browser-element/mochitest/test_browserElement_inproc_OpenWindowDifferentOrigin.html
new file mode 100644
index 000000000000..327ff8960fab
--- /dev/null
+++ b/dom/browser-element/mochitest/test_browserElement_inproc_OpenWindowDifferentOrigin.html
@@ -0,0 +1,13 @@
+
+
+
+ Test of browser element.
+
+
+
+
+
+
+
+
diff --git a/dom/browser-element/mochitest/test_browserElement_oop_OpenWindowDifferentOrigin.html b/dom/browser-element/mochitest/test_browserElement_oop_OpenWindowDifferentOrigin.html
new file mode 100644
index 000000000000..327ff8960fab
--- /dev/null
+++ b/dom/browser-element/mochitest/test_browserElement_oop_OpenWindowDifferentOrigin.html
@@ -0,0 +1,13 @@
+
+
+
+ Test of browser element.
+
+
+
+
+
+
+
+