From 8b40d4f3784e2e9d0af7cac741c1e1a5d9566a9b Mon Sep 17 00:00:00 2001
From: Gellert Hegyi <gellert.hegyi@around.co>
Date: Tue, 29 Mar 2022 05:02:44 +0200
Subject: [PATCH] fix: crash when WindowButtonsProxy references cleared
 NSWindow (#33069)

* resets WindowButtonsProxy on window delete on macOS

* fixes reset
---
 shell/browser/native_window_mac.mm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/shell/browser/native_window_mac.mm b/shell/browser/native_window_mac.mm
index 3220741ec356c..92cebd9bb65ba 100644
--- a/shell/browser/native_window_mac.mm
+++ b/shell/browser/native_window_mac.mm
@@ -328,6 +328,8 @@ void ViewDidMoveToSuperview(NSView* self, SEL _cmd) {
       [](NativeWindowMac* window) {
         if (window->window_)
           window->window_ = nil;
+        if (window->buttons_proxy_)
+          window->buttons_proxy_.reset();
       },
       this));