diff --git a/layout/xul/base/src/Makefile.in b/layout/xul/base/src/Makefile.in
index 339d24029bef..95852604363d 100644
--- a/layout/xul/base/src/Makefile.in
+++ b/layout/xul/base/src/Makefile.in
@@ -58,6 +58,7 @@ CPPSRCS =				\
 	nsColorPickerFrame.cpp \
 	nsFontPickerFrame.cpp \
 	nsToolbarItemFrame.cpp \
+	nsMenuPopupFrame.cpp \
 	$(NULL)
 
 include $(topsrcdir)/config/config.mk
diff --git a/layout/xul/base/src/makefile.win b/layout/xul/base/src/makefile.win
index 777b92681cb0..00ab91e90a78 100644
--- a/layout/xul/base/src/makefile.win
+++ b/layout/xul/base/src/makefile.win
@@ -46,6 +46,7 @@ CPPSRCS=					\
 	nsSliderFrame.cpp \
 	nsColorPickerFrame.cpp \
 	nsFontPickerFrame.cpp \
+	nsMenuPopupFrame.cpp \
 	$(NULL)
 
 CPP_OBJS=					\
@@ -71,6 +72,7 @@ CPP_OBJS=					\
 	.\$(OBJDIR)\nsSliderFrame.obj \
 	.\$(OBJDIR)\nsColorPickerFrame.obj \
 	.\$(OBJDIR)\nsFontPickerFrame.obj \
+	.\$(OBJDIR)\nsMenuPopupFrame.obj \
 	$(NULL)
 
 EXPORTS =					\
diff --git a/layout/xul/base/src/nsMenuPopupFrame.cpp b/layout/xul/base/src/nsMenuPopupFrame.cpp
new file mode 100644
index 000000000000..b2ec7f79511d
--- /dev/null
+++ b/layout/xul/base/src/nsMenuPopupFrame.cpp
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+
+#include "nsMenuPopupFrame.h"
+
+#include "nsIContent.h"
+#include "prtypes.h"
+#include "nsIAtom.h"
+#include "nsIPresContext.h"
+#include "nsIStyleContext.h"
+#include "nsCSSRendering.h"
+#include "nsINameSpaceManager.h"
+
+
+//
+// NS_NewMenuPopupFrame
+//
+// Wrapper for creating a new menu popup container
+//
+nsresult
+NS_NewMenuPopupFrame(nsIFrame** aNewFrame)
+{
+  NS_PRECONDITION(aNewFrame, "null OUT ptr");
+  if (nsnull == aNewFrame) {
+    return NS_ERROR_NULL_POINTER;
+  }
+  nsMenuPopupFrame* it = new nsMenuPopupFrame;
+  if ( !it )
+    return NS_ERROR_OUT_OF_MEMORY;
+  *aNewFrame = it;
+  return NS_OK;
+}
+
+
+//
+// nsMenuPopupFrame cntr
+//
+nsMenuPopupFrame::nsMenuPopupFrame()
+{
+
+} // cntr
+