1 files changed, 24 insertions, 0 deletions
diff --git a/dom/base/SlowScriptDebug.sys.mjs b/dom/base/SlowScriptDebug.sys.mjs
new file mode 100644
index 0000000000..0402c6d38d
--- /dev/null
+++ b/dom/base/SlowScriptDebug.sys.mjs
@@ -0,0 +1,24 @@
+/* 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/. */
+
+export function SlowScriptDebug() {}
+
+SlowScriptDebug.prototype = {
+  classDescription: "Slow script debug handler",
+  QueryInterface: ChromeUtils.generateQI(["nsISlowScriptDebug"]),
+
+  get activationHandler() {
+    return this._activationHandler;
+  },
+  set activationHandler(cb) {
+    this._activationHandler = cb;
+  },
+
+  get remoteActivationHandler() {
+    return this._remoteActivationHandler;
+  },
+  set remoteActivationHandler(cb) {
+    this._remoteActivationHandler = cb;
+  },
+};