1 files changed, 38 insertions, 0 deletions
diff --git a/docshell/test/browser/file_bug1328501_framescript.js b/docshell/test/browser/file_bug1328501_framescript.js
new file mode 100644
index 0000000000..19c86c75e7
--- /dev/null
+++ b/docshell/test/browser/file_bug1328501_framescript.js
@@ -0,0 +1,38 @@
+// Forward iframe loaded event.
+
+/* eslint-env mozilla/frame-script */
+
+addEventListener(
+  "frames-loaded",
+  e => sendAsyncMessage("test:frames-loaded"),
+  true,
+  true
+);
+
+let requestObserver = {
+  observe(subject, topic, data) {
+    if (topic == "http-on-opening-request") {
+      // Get DOMWindow on all child docshells to force about:blank
+      // content viewers being created.
+      getChildDocShells().map(ds => {
+        ds
+          .QueryInterface(Ci.nsIInterfaceRequestor)
+          .getInterface(Ci.nsILoadContext).associatedWindow;
+      });
+    }
+  },
+  QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
+};
+Services.obs.addObserver(requestObserver, "http-on-opening-request");
+addEventListener("unload", e => {
+  if (e.target == this) {
+    Services.obs.removeObserver(requestObserver, "http-on-opening-request");
+  }
+});
+
+function getChildDocShells() {
+  return docShell.getAllDocShellsInSubtree(
+    Ci.nsIDocShellTreeItem.typeAll,
+    Ci.nsIDocShell.ENUMERATE_FORWARDS
+  );
+}