--- Source/WebCore/bridge/npruntime_internal-orig.h	2013-07-19 00:04:01.000000000 -0700
+++ Source/WebCore/bridge/npruntime_internal.h	2013-08-12 16:04:17.000000000 -0700
@@ -29,7 +29,7 @@
 #include "npfunctions.h"
 #include "npruntime.h"
 
-#ifdef XP_UNIX
+#if PLATFORM(X11)
     #include <X11/Xresource.h>
 
     #undef None