--- services/device/hid/BUILD.gn.orig	2021-04-14 01:08:53 UTC
+++ services/device/hid/BUILD.gn
@@ -45,6 +45,15 @@ source_set("hid") {
     deps += [ "//device/udev_linux" ]
   }
 
+  if (is_bsd) {
+    sources += [
+      "hid_connection_freebsd.cc",
+      "hid_connection_freebsd.h",
+      "hid_service_freebsd.cc",
+      "hid_service_freebsd.h",
+    ]
+  }
+
   if (is_chromeos_ash) {
     deps += [ "//chromeos/dbus/permission_broker" ]
   }