From f97d8719e6071722c67d2a1ac371f80faee78b0e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tam=C3=A1s=20Zahola?= <tzahola@gmail.com>
Date: Wed, 17 Jan 2024 18:23:41 +0100
Subject: [PATCH] fix: use `HasStyleMask(NSWindowStyleMaskResizable)` instead
 of `IsResizable()` for enabling/disabling window maximize button (#40994)

---
 shell/browser/native_window_mac.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/shell/browser/native_window_mac.mm b/shell/browser/native_window_mac.mm
index 9e87c14ea4ba..a13d5488e2ba 100644
--- a/shell/browser/native_window_mac.mm
+++ b/shell/browser/native_window_mac.mm
@@ -916,7 +916,8 @@ bool NativeWindowMac::IsMaximizable() const {
 
 void NativeWindowMac::UpdateZoomButton() {
   [[window_ standardWindowButton:NSWindowZoomButton]
-      setEnabled:IsResizable() && (CanMaximize() || IsFullScreenable())];
+      setEnabled:HasStyleMask(NSWindowStyleMaskResizable) &&
+                 (CanMaximize() || IsFullScreenable())];
 }
 
 void NativeWindowMac::SetFullScreenable(bool fullscreenable) {