$NetBSD$

* Part of patchset to build electron on NetBSD
* Based on OpenBSD's chromium patches, and
  FreeBSD's electron patches

--- sandbox/policy/BUILD.gn.orig	2025-02-24 19:59:26.000000000 +0000
+++ sandbox/policy/BUILD.gn
@@ -50,7 +50,7 @@ component("policy") {
       "//third_party/jni_zero",
     ]
   }
-  if (is_linux || is_chromeos) {
+  if ((is_linux || is_chromeos) && !is_bsd) {
     sources += [
       "linux/bpf_audio_policy_linux.cc",
       "linux/bpf_audio_policy_linux.h",
@@ -129,6 +129,38 @@ component("policy") {
       "//sandbox/linux:suid_sandbox_client",
     ]
   }
+  if (is_openbsd) {
+    sources += [
+      "openbsd/sandbox_openbsd.cc",
+      "openbsd/sandbox_openbsd.h",
+    ]
+    deps += [
+      "//sandbox:sandbox_buildflags",
+      "//ui/gfx/x",
+    ]
+    libs = [ "util" ]
+  }
+  if (is_netbsd) {
+    sources += [
+      "netbsd/sandbox_netbsd.cc",
+      "netbsd/sandbox_netbsd.h",
+    ]
+    deps += [
+      "//sandbox:sandbox_buildflags",
+      "//ui/gfx/x",
+    ]
+    libs = [ "util" ]
+  }
+  if (is_freebsd) {
+    sources += [
+      "freebsd/sandbox_freebsd.cc",
+      "freebsd/sandbox_freebsd.h",
+    ]
+    deps += [
+      "//sandbox:sandbox_buildflags",
+      "//ui/gfx/x",
+    ]
+  }
   if (is_chromeos_ash) {
     sources += [
       "linux/bpf_ime_policy_linux.cc",