$OpenBSD: patch-base_debug_thread_heap_usage_tracker_cc,v 1.2 2017/03/14 12:18:53 robert Exp $
--- base/debug/thread_heap_usage_tracker.cc.orig.port	Thu Mar  9 21:04:26 2017
+++ base/debug/thread_heap_usage_tracker.cc	Fri Mar 10 07:46:16 2017
@@ -15,10 +15,12 @@
 #include "base/threading/thread_local_storage.h"
 #include "build/build_config.h"
 
+#if !defined(OS_OPENBSD)
 #if defined(OS_MACOSX) || defined(OS_IOS)
 #include <malloc/malloc.h>
 #else
 #include <malloc.h>
+#endif
 #endif
 
 namespace base {
