--- services/device/usb/BUILD.gn.orig	2025-03-18 16:46:04 UTC
+++ services/device/usb/BUILD.gn
@@ -90,7 +90,7 @@ static_library("usb") {
     deps += [ "//third_party/re2" ]
   }
 
-  if (is_mac) {
+  if (is_mac || is_openbsd) {
     # These sources and deps are required for libusb.
     # TODO(crbug.com/40136337) Remove these sources.
     sources += [
@@ -113,6 +113,13 @@ static_library("usb") {
     deps += [ "//third_party/libusb" ]
   }
 
+  if (is_freebsd) {
+    sources += [
+      "usb_service_fake.cc",
+      "usb_service_fake.h",
+    ]
+  }
+
   if (is_linux || is_chromeos) {
     sources += [
       "usb_device_linux.cc",
@@ -134,7 +141,7 @@ static_library("usb") {
     deps += [ "//device/udev_linux" ]
   }
 
-  if (is_android || is_chromeos || is_linux) {
+  if (is_android || is_chromeos || is_linux && !is_bsd) {
     sources += [
       "usb_device_handle_usbfs.cc",
       "usb_device_handle_usbfs.h",