http://trac.macports.org/browser/trunk/dports/www/webkit-gtk/files/patch-quartz-WebCore-plugins-gtk-gtkxtbin.c.diff?format=txt
http://trac.macports.org/browser/trunk/dports/www/webkit-gtk/files/patch-quartz-WebCore-plugins-gtk-PluginViewGtk.cpp.diff?format=txt

--- Source/WebCore/plugins/gtk/gtk2xtbin.c
+++ Source/WebCore/plugins/gtk/gtk2xtbin.c
@@ -41,7 +41,7 @@
  * The GtkXtBin widget allows for Xt toolkit code to be used
  * inside a GTK application.  
  */
-
+#if 0
 #include "GtkVersioning.h"
 #include "xembed.h"
 #include "gtk2xtbin.h"
@@ -951,3 +951,4 @@
 
   return;
 }
+#endif
--- Source/WebCore/plugins/gtk/PluginViewGtk.cpp
+++ Source/WebCore/plugins/gtk/PluginViewGtk.cpp
@@ -60,10 +60,13 @@
 #include "runtime_root.h"
 #include <runtime/JSLock.h>
 #include <runtime/JSValue.h>
+#include "NotImplemented.h"
 
 #include <gdkconfig.h>
 #include <gtk/gtk.h>
 
+#undef XP_UNIX
+
 #if defined(XP_UNIX)
 #include "gtk2xtbin.h"
 #define Bool int // this got undefined somewhere
@@ -441,9 +444,9 @@
         event->setDefaultHandled();
 }
 
-#if defined(XP_UNIX)
 void PluginView::handleFocusInEvent()
 {
+#if defined(XP_UNIX)
     XEvent npEvent;
     initXEvent(&npEvent);
 
@@ -453,10 +456,12 @@
     event.detail = NotifyDetailNone;
 
     dispatchNPEvent(npEvent);
+#endif
 }
 
 void PluginView::handleFocusOutEvent()
 {
+#if defined(XP_UNIX)
     XEvent npEvent;
     initXEvent(&npEvent);
 
@@ -466,8 +471,8 @@
     event.detail = NotifyDetailNone;
 
     dispatchNPEvent(npEvent);
-}
 #endif
+}
 
 void PluginView::setParent(ScrollView* parent)
 {
@@ -797,8 +802,8 @@
     }
 
     if (m_isWindowed) {
-#if defined(XP_UNIX)
         GtkWidget* pageClient = m_parentFrame->view()->hostWindow()->platformPageClient();
+#if defined(XP_UNIX)
 
         if (m_needsXEmbed) {
             // If our parent is not anchored the startup process will