From 9f5cbaac5ac38ac1106eb8392b1ceb5ef841225e Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Sat, 6 Feb 2021 16:19:55 -0500
Subject: Frame ancestry handler refactor (#1352)

* Validate source window before handling messages

* Add unregisterHandler to CrossFrameAPI

* Refactor the process FrameAncestryHandler uses to get ancestor frame IDs

* Store a mapping of child frame information

* Update getFrameAncestryInfo to only run once
---
 ext/mixed/js/comm.js | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'ext/mixed')

diff --git a/ext/mixed/js/comm.js b/ext/mixed/js/comm.js
index ea450da6..997249c8 100644
--- a/ext/mixed/js/comm.js
+++ b/ext/mixed/js/comm.js
@@ -248,6 +248,12 @@ class CrossFrameAPI {
         }
     }
 
+    unregisterHandler(key) {
+        return this._messageHandlers.delete(key);
+    }
+
+    // Private
+
     _onConnect(port) {
         try {
             let details;
-- 
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