$OpenBSD: patch-third_party_WebKit_Source_platform_heap_ThreadState_cpp,v 1.13 2016/04/16 19:08:46 robert Exp $
--- third_party/WebKit/Source/platform/heap/ThreadState.cpp.orig.port	Wed Apr 13 23:00:02 2016
+++ third_party/WebKit/Source/platform/heap/ThreadState.cpp	Thu Apr 14 08:25:14 2016
@@ -60,7 +60,7 @@
 #include <sanitizer/msan_interface.h>
 #endif
 
-#if OS(FREEBSD)
+#if OS(FREEBSD) || OS(OPENBSD)
 #include <pthread_np.h>
 #endif
 
