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-rw-r--r--ext/fg/js/popup.js3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/fg/js/popup.js b/ext/fg/js/popup.js
index 5a0166bf..bbf39c4e 100644
--- a/ext/fg/js/popup.js
+++ b/ext/fg/js/popup.js
@@ -22,8 +22,9 @@
* dynamicLoader
*/
-class Popup {
+class Popup extends EventDispatcher {
constructor(id, depth, frameId, ownerFrameId) {
+ super();
this._id = id;
this._depth = depth;
this._frameId = frameId;