From d6c516a44775062c638fee351dc013c2347243b6 Mon Sep 17 00:00:00 2001
From: Joey Arhar <jarhar@chromium.org>
Date: Wed, 28 Jun 2023 07:34:57 -0700
Subject: [PATCH] Make togglePopover() throw more exceptions

This makes sure that togglePopover() will throw exceptions when it is disconnected from the document or doesn't have a popover attribute.

Fixes #8999.
---
 source | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/source b/source
index ec141fd6115..1bf45ff268a 100644
--- a/source
+++ b/source
@@ -82852,6 +82852,19 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
    <li><p>Otherwise, if <var>force</var> is not present or true, then run <span>show popover</span>
    given <span>this</span> true, and null.</p></li>
 
+   <li>
+    <p>Otherwise:</p>
+
+    <ol>
+     <li><p>Let <var>expectedToBeShowing</var> be true if <span>this</span>'s <span>popover
+     visibility state</span> is <span data-x="popover-showing-state">showing</span>; otherwise
+     false.</p></li>
+
+     <li><p>Run <span>check popover validity</span> given <var>expectedToBeShowing</var>, true, and
+     null.</p></li>
+    </ol>
+   </li>
+
    <li><p>Return true if <span>this</span>'s <span>popover visibility state</span> is <span
    data-x="popover-showing-state">showing</span>; otherwise false.</p></li>
   </ol>