From 99cf02fb96a530a9d983bec0f4c8de1b58aee676 Mon Sep 17 00:00:00 2001
From: "trop[bot]" <37223003+trop[bot]@users.noreply.github.com>
Date: Thu, 7 Sep 2023 22:55:40 +0000
Subject: [PATCH] fix: make titlebar opaque while fullscreen

Co-authored-by: Samuel Attard <samuel.r.attard@gmail.com>
---
 shell/browser/native_window_mac.mm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/shell/browser/native_window_mac.mm b/shell/browser/native_window_mac.mm
index e12827ed50767..6a0ff27625812 100644
--- a/shell/browser/native_window_mac.mm
+++ b/shell/browser/native_window_mac.mm
@@ -1721,6 +1721,9 @@ void ReorderChildWindowAbove(NSWindow* child_window, NSWindow* other_window) {
   // Restore the window title under fullscreen mode.
   if (buttons_proxy_)
     [window_ setTitleVisibility:NSWindowTitleVisible];
+
+  if (transparent() || !has_frame())
+    [window_ setTitlebarAppearsTransparent:NO];
 }
 
 void NativeWindowMac::NotifyWindowLeaveFullScreen() {
@@ -1730,6 +1733,9 @@ void ReorderChildWindowAbove(NSWindow* child_window, NSWindow* other_window) {
     [buttons_proxy_ redraw];
     [buttons_proxy_ setVisible:YES];
   }
+
+  if (transparent() || !has_frame())
+    [window_ setTitlebarAppearsTransparent:YES];
 }
 
 void NativeWindowMac::NotifyWindowWillEnterFullScreen() {