1 files changed, 60 insertions, 0 deletions
diff --git a/testing/talos/talos/bootstrap.js b/testing/talos/talos/bootstrap.js
new file mode 100644
index 0000000000..20bd203d13
--- /dev/null
+++ b/testing/talos/talos/bootstrap.js
@@ -0,0 +1,60 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* globals initializeBrowser */
+
+// PLEASE NOTE:
+//
+// The canonical version of this file lives in testing/talos/talos, and
+// is duplicated in a number of test add-ons in directories below it.
+// Please do not update one withput updating all.
+
+// Reads the chrome.manifest from a legacy non-restartless extension and loads
+// its overlays into the appropriate top-level windows.
+
+const { AppConstants } = ChromeUtils.importESModule(
+  "resource://gre/modules/AppConstants.sys.mjs"
+);
+const { NetUtil } = ChromeUtils.import("resource://gre/modules/NetUtil.jsm");
+
+const windowTracker = {
+  init() {
+    Services.ww.registerNotification(this);
+  },
+
+  async observe(window, topic, data) {
+    if (topic === "domwindowopened") {
+      await new Promise(resolve =>
+        window.addEventListener("DOMWindowCreated", resolve, { once: true })
+      );
+
+      let { document } = window;
+      let { documentURI } = document;
+
+      if (documentURI !== AppConstants.BROWSER_CHROME_URL) {
+        return;
+      }
+      initializeBrowser(window);
+    }
+  },
+};
+
+function readSync(uri) {
+  let channel = NetUtil.newChannel({ uri, loadUsingSystemPrincipal: true });
+  let buffer = NetUtil.readInputStream(channel.open());
+  return new TextDecoder().decode(buffer);
+}
+
+function startup(data, reason) {
+  Services.scriptloader.loadSubScript(
+    data.resourceURI.resolve("content/initialize_browser.js")
+  );
+  windowTracker.init();
+}
+
+function shutdown(data, reason) {}
+function install(data, reason) {}
+function uninstall(data, reason) {}