--- Source/WebCore/plugins/PluginView-orig.cpp	2013-07-19 00:04:11.000000000 -0700
+++ Source/WebCore/plugins/PluginView.cpp	2013-08-12 17:48:20.000000000 -0700
@@ -865,7 +865,7 @@
     , m_contextRef(0)
     , m_fakeWindow(0)
 #endif
-#if defined(XP_UNIX) && ENABLE(NETSCAPE_PLUGIN_API)
+#if PLATFORM(X11) && ENABLE(NETSCAPE_PLUGIN_API)
     , m_hasPendingGeometryChange(true)
     , m_drawable(0)
     , m_visual(0)