$NetBSD: patch-src_3rdparty_chromium_ui_compositor_compositor__observer.h,v 1.1 2021/08/03 21:04:36 markd Exp $

--- src/3rdparty/chromium/ui/compositor/compositor_observer.h.orig	2020-07-15 18:56:34.000000000 +0000
+++ src/3rdparty/chromium/ui/compositor/compositor_observer.h
@@ -42,7 +42,7 @@ class COMPOSITOR_EXPORT CompositorObserv
   // Called when a child of the compositor is resizing.
   virtual void OnCompositingChildResizing(Compositor* compositor) {}
 
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if (defined(OS_LINUX) || defined(OS_BSD)) && !defined(OS_CHROMEOS)
   // Called when a swap with new size is completed.
   virtual void OnCompositingCompleteSwapWithNewSize(ui::Compositor* compositor,
                                                     const gfx::Size& size) {}