$OpenBSD: patch-content_child_child_process_h,v 1.1 2017/01/26 17:08:25 robert Exp $
--- content/child/child_process.h.orig.port	Fri Jan 13 11:01:27 2017
+++ content/child/child_process.h	Fri Jan 13 11:01:36 2017
@@ -69,7 +69,7 @@ class CONTENT_EXPORT ChildProcess {
   void AddRefProcess();
   void ReleaseProcess();
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_BSD)
   void SetIOThreadPriority(base::ThreadPriority io_thread_priority);
 #endif
 
