From 34b69a52f1452de786828a9d10f907ed11a4472c Mon Sep 17 00:00:00 2001
From: Ruslan Lesiutin <hoxy@meta.com>
Date: Wed, 7 Jan 2026 22:35:06 +0000
Subject: [PATCH] fix: check if infobar custom element is already registered

---
 .../panels/network/components/NetworkEventCoverageInfobar.ts  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/front_end/panels/network/components/NetworkEventCoverageInfobar.ts b/front_end/panels/network/components/NetworkEventCoverageInfobar.ts
index 55b8b15b2a6..be175741de2 100644
--- a/front_end/panels/network/components/NetworkEventCoverageInfobar.ts
+++ b/front_end/panels/network/components/NetworkEventCoverageInfobar.ts
@@ -90,7 +90,9 @@ export class NetworkEventCoverageInfobar extends HTMLElement {
   }
 }
 
-customElements.define('devtools-network-event-coverage-infobar', NetworkEventCoverageInfobar);
+if (!customElements.get('devtools-network-event-coverage-infobar')) {
+  customElements.define('devtools-network-event-coverage-infobar', NetworkEventCoverageInfobar);
+}
 
 declare global {
   interface HTMLElementTagNameMap {