diff --git a/widget/src/xpwidgets/nsFileSpecWithUIImpl.cpp b/widget/src/xpwidgets/nsFileSpecWithUIImpl.cpp
deleted file mode 100644
index 85b64f323789..000000000000
--- a/widget/src/xpwidgets/nsFileSpecWithUIImpl.cpp
+++ /dev/null
@@ -1,369 +0,0 @@
-/* -*- 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 "nsIFileSpecWithUI.h" // Always first, to ensure that it compiles alone.
-
-#include "nsFileSpecImpl.h"
-#include "nsIFileWidget.h"
-#include "nsWidgetsCID.h"
-#include "nsCOMPtr.h"
-
-#undef NS_FILE_FAILURE
-#define NS_FILE_FAILURE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES,(0xFFFF))
-
-//========================================================================================
-class nsFileSpecWithUIImpl
-//========================================================================================
-	: public nsFileSpecImpl
-	, public nsIFileSpecWithUI
-{
-
- public: 
-
-	NS_DECL_ISUPPORTS_INHERITED
-	
-	nsFileSpecWithUIImpl();
-	virtual ~nsFileSpecWithUIImpl();
-
-	NS_IMETHOD chooseOutputFile(const char *windowTitle, const char *suggestedLeafName);
-
-	NS_IMETHOD chooseInputFile(
-		const char *title,
-		nsIFileSpecWithUI::StandardFilterMask standardFilterMask,
-		const char *extraFilterTitle, const char *extraFilter);
-
-	NS_IMETHOD chooseDirectory(const char *title);
-	
-	//------------------
-	// INHERITED/FORWARDED METHODS
-	//------------------
-	
-	NS_IMETHOD fromFileSpec(const nsIFileSpec *original)
-		{ return nsFileSpecImpl::fromFileSpec(original); }
-
-	NS_IMETHOD GetURLString(char * *aURLString)
-		{ return nsFileSpecImpl::GetURLString(aURLString); }
-	NS_IMETHOD SetURLString(char * aURLString)
-		{ return nsFileSpecImpl::SetURLString(aURLString); }
-
-	/* attribute string UnixStyleFilePath; */
-	NS_IMETHOD GetUnixStyleFilePath(char * *aUnixStyleFilePath)
-		{ return nsFileSpecImpl::GetUnixStyleFilePath(aUnixStyleFilePath); }
-	NS_IMETHOD SetUnixStyleFilePath(char * aUnixStyleFilePath)
-		{ return nsFileSpecImpl::SetUnixStyleFilePath(aUnixStyleFilePath); }
-
-	/* attribute string PersistentDescriptorString; */
-	NS_IMETHOD GetPersistentDescriptorString(char * *aPersistentDescriptorString)
-		{ return nsFileSpecImpl::GetPersistentDescriptorString(aPersistentDescriptorString); }
-	NS_IMETHOD SetPersistentDescriptorString(char * aPersistentDescriptorString)
-		{ return nsFileSpecImpl::SetPersistentDescriptorString(aPersistentDescriptorString); }
-
-	/* attribute string NativePath; */
-	NS_IMETHOD GetNativePath(char * *aNativePath)
-		{ return nsFileSpecImpl::GetNativePath(aNativePath); }
-	NS_IMETHOD SetNativePath(char * aNativePath)
-		{ return nsFileSpecImpl::SetNativePath(aNativePath); }
-
-	/* readonly attribute string NSPRPath; */
-	NS_IMETHOD GetNSPRPath(char * *aNSPRPath)
-		{ return nsFileSpecImpl::GetNSPRPath(aNSPRPath); }
-
-	/* readonly attribute nsresult Error; */
-	NS_IMETHOD error()
-		{ return nsFileSpecImpl::error(); }
-
-	/* boolean isValid (); */
-	NS_IMETHOD isValid(PRBool *_retval)
-		{ return nsFileSpecImpl::isValid(_retval); }
-
-	/* boolean failed (); */
-	NS_IMETHOD failed(PRBool *_retval)
-		{ return nsFileSpecImpl::failed(_retval); }
-
-	/* attribute string LeafName; */
-	NS_IMETHOD GetLeafName(char * *aLeafName)
-		{ return nsFileSpecImpl::GetLeafName(aLeafName); }
-	NS_IMETHOD SetLeafName(char * aLeafName)
-		{ return nsFileSpecImpl::SetLeafName(aLeafName); }
-
-	/* readonly attribute nsIFileSpec Parent; */
-	NS_IMETHOD GetParent(nsIFileSpec * *aParent)
-		{ return nsFileSpecImpl::GetParent(aParent); }
-
-	/* nsIFileSpec makeUnique (); */
-	NS_IMETHOD makeUnique()
-		{ return nsFileSpecImpl::makeUnique(); }
-
-	/* nsIFileSpec makeUniqueWithSuggestedName (in string suggestedName); */
-	NS_IMETHOD makeUniqueWithSuggestedName(const char* inSuggestedLeafName)
-		{ return nsFileSpecImpl::makeUniqueWithSuggestedName(inSuggestedLeafName); }
-
-	/* readonly attribute unsigned long ModDate; */
-	NS_IMETHOD GetModDate(PRUint32 *aModDate)
-		{ return nsFileSpecImpl::GetModDate(aModDate); }
-
-	/* boolean modDateChanged (in unsigned long oldStamp); */
-	NS_IMETHOD modDateChanged(PRUint32 oldStamp, PRBool *_retval)
-		{ return nsFileSpecImpl::modDateChanged(oldStamp, _retval); }
-
-	/* boolean isDirectory (); */
-	NS_IMETHOD isDirectory(PRBool *_retval)
-		{ return nsFileSpecImpl::isDirectory(_retval); }
-
-	/* boolean isFile (); */
-	NS_IMETHOD isFile(PRBool *_retval)
-		{ return nsFileSpecImpl::isFile(_retval); }
-
-	/* boolean exists (); */
-	NS_IMETHOD exists(PRBool *_retval)
-		{ return nsFileSpecImpl::exists(_retval); }
-
-	/* readonly attribute unsigned long FileSize; */
-	NS_IMETHOD GetFileSize(PRUint32 *aFileSize)
-		{ return nsFileSpecImpl::GetFileSize(aFileSize); }
-
-	/* readonly attribute unsigned long DiskSpaceAvailable; */
-	NS_IMETHOD GetDiskSpaceAvailable(PRUint32 *aDiskSpaceAvailable)
-		{ return nsFileSpecImpl::GetDiskSpaceAvailable(aDiskSpaceAvailable); }
-
-	/* nsIFileSpec AppendRelativeUnixPath (in string relativePath); */
-	NS_IMETHOD AppendRelativeUnixPath(const char *relativePath)
-		{ return nsFileSpecImpl::AppendRelativeUnixPath(relativePath); }
-
-	/* void createDir (); */
-	NS_IMETHOD createDir()
-		{ return nsFileSpecImpl::createDir(); }
-
-	/* void rename ([const] in string newLeafName); */
-	NS_IMETHOD rename(const char *newLeafName)
-		{ return nsFileSpecImpl::rename(newLeafName); }
-
-	/* void copyToDir ([const] in nsIFileSpec newParentDir); */
-	NS_IMETHOD copyToDir(const nsIFileSpec *newParentDir)
-		{ return nsFileSpecImpl::copyToDir(newParentDir); }
-
-	/* void moveToDir ([const] in nsIFileSpec newParentDir); */
-	NS_IMETHOD moveToDir(const nsIFileSpec *newParentDir)
-		{ return nsFileSpecImpl::moveToDir(newParentDir); }
-
-	/* void execute ([const] in string args); */
-	NS_IMETHOD execute(const char *args)
-		{ return nsFileSpecImpl::execute(args); }
-
-	/* void openStreamForReading (); */
-	NS_IMETHOD openStreamForReading()
-		{ return nsFileSpecImpl::openStreamForReading(); }
-
-	/* void openStreamForWriting (); */
-	NS_IMETHOD openStreamForWriting()
-		{ return nsFileSpecImpl::openStreamForWriting(); }
-
-	/* void openStreamForReadingAndWriting (); */
-	NS_IMETHOD openStreamForReadingAndWriting()
-		{ return nsFileSpecImpl::openStreamForReadingAndWriting(); }
-
-	/* void close (); */
-	NS_IMETHOD closeStream()
-		{ return nsFileSpecImpl::closeStream(); }
-
-	/* boolean isOpen (); */
-	NS_IMETHOD isStreamOpen(PRBool *_retval)
-		{ return nsFileSpecImpl::isStreamOpen(_retval); }
-
-	/* boolean eof (); */
-	NS_IMETHOD eof(PRBool *_retval)
-		{ return nsFileSpecImpl::eof(_retval); }
-
-	NS_IMETHOD read(char** buffer, PRInt32 requestedCount, PRInt32 *_retval)
-		{ return nsFileSpecImpl::read(buffer, requestedCount, _retval); }
-
-	NS_IMETHOD readLine(char** line, PRInt32 bufferSize, PRBool *wasTruncated)
-		{ return nsFileSpecImpl::readLine(line, bufferSize, wasTruncated); }
-					// Check eof() before each call.
-					// CAUTION: false result only indicates line was truncated
-					// to fit buffer, or an error occurred (OTHER THAN eof).
-
-
-	NS_IMETHOD write(const char* data, PRInt32 requestedCount, PRInt32 *_retval)
-		{ return nsFileSpecImpl::write(data, requestedCount, _retval); }
-
-	/* void flush (); */
-	NS_IMETHOD flush()
-		{ return nsFileSpecImpl::flush(); }
-
-	/* void seek (in long offset); */
-	NS_IMETHOD seek(PRInt32 offset)
-		{ return nsFileSpecImpl::seek(offset); }
-
-	/* long tell (); */
-	NS_IMETHOD tell(PRInt32 *_retval)
-		{ return nsFileSpecImpl::tell(_retval); }
-
-	/* void endline (); */
-	NS_IMETHOD endline()
-		{ return nsFileSpecImpl::endline(); }
-
-
-}; // class nsFileSpecWithUIImpl
-
-NS_IMPL_ISUPPORTS_INHERITED(nsFileSpecWithUIImpl, nsFileSpecImpl, nsIFileSpecWithUI)
-
-static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
-
-#include "nsIComponentManager.h"
-
-//----------------------------------------------------------------------------------------
-nsFileSpecWithUIImpl::nsFileSpecWithUIImpl()
-//----------------------------------------------------------------------------------------
-{
-}
-
-//----------------------------------------------------------------------------------------
-nsFileSpecWithUIImpl::~nsFileSpecWithUIImpl()
-//----------------------------------------------------------------------------------------
-{
-}
-
-//----------------------------------------------------------------------------------------
-NS_IMETHODIMP nsFileSpecWithUIImpl::chooseOutputFile(
-	const char *windowTitle,
-	const char *suggestedLeafName)
-//----------------------------------------------------------------------------------------
-{
-    nsCOMPtr<nsIFileWidget> fileWidget; 
-    nsresult rv = nsComponentManager::CreateInstance(
-    	kCFileWidgetCID,
-        nsnull,
-        nsIFileWidget::GetIID(),
-        (void**)getter_AddRefs(fileWidget));
-    if (NS_FAILED(rv))
-    	return rv;
-    
-    fileWidget->SetDefaultString(suggestedLeafName);
-    nsFileDlgResults result = fileWidget->PutFile(nsnull, windowTitle, mFileSpec);
-    if ( result != nsFileDlgResults_OK)
-    	return NS_FILE_FAILURE;
-    if (mFileSpec.Exists() && result != nsFileDlgResults_Replace)
-    	return NS_FILE_FAILURE;
-    return NS_OK;
-} // nsFileSpecImpl::chooseOutputFile
-
-//----------------------------------------------------------------------------------------
-NS_IMETHODIMP nsFileSpecWithUIImpl::chooseInputFile(
-		const char *inTitle,
-		nsIFileSpecWithUI::StandardFilterMask inMask,
-		const char *inExtraFilterTitle, const char *inExtraFilter)
-//----------------------------------------------------------------------------------------
-{
-	nsresult rv = NS_OK;
-	nsString* nextTitle;
-	nsString* nextFilter;
-    nsCOMPtr<nsIFileWidget> fileWidget; 
-    rv = nsComponentManager::CreateInstance(
-    	kCFileWidgetCID,
-        nsnull,
-        nsIFileWidget::GetIID(),
-        (void**)getter_AddRefs(fileWidget));
-	if (NS_FAILED(rv))
-		return rv;
-	nsString* titles = nsnull;
-	nsString* filters = nsnull;
-	titles = new nsString[1 + kNumStandardFilters];
-	if (!titles)
-	{
-		rv = NS_ERROR_OUT_OF_MEMORY;
-		goto Clean;
-	}
-	filters = new nsString[1 + kNumStandardFilters];
-	if (!filters)
-	{
-		rv = NS_ERROR_OUT_OF_MEMORY;
-		goto Clean;
-	}
-	nextTitle = titles;
-	nextFilter = filters;
-	if (inMask & eAllReadable)
-	{
-		*nextTitle++ = "All Readable Files";
-		*nextFilter++ = "*.htm; *.html; *.xml; *.gif; *.jpg; *.jpeg; *.png";
-	}
-	if (inMask & eHTMLFiles)
-	{
-		*nextTitle++ = "HTML Files";
-		*nextFilter++ = "*.htm; *.html";
-	}
-	if (inMask & eXMLFiles)
-	{
-		*nextTitle++ = "XML Files";
-		*nextFilter++ =  "*.xml";
-	}
-	if (inMask & eImageFiles)
-	{
-		*nextTitle++ = "Image Files";
-		*nextFilter++ = "*.gif; *.jpg; *.jpeg; *.png";
-	}
-	if (inMask & eExtraFilter)
-	{
-		*nextTitle++ = inExtraFilterTitle;
-		*nextFilter++ = inExtraFilter;
-	}
-	if (inMask & eAllFiles)
-	{
-		*nextTitle++ = "All Files";
-		*nextFilter++ = "*.*";
-	}
-
-	fileWidget->SetFilterList(nextFilter - filters, titles, filters);
-	if (fileWidget->GetFile(nsnull, inTitle, mFileSpec) != nsFileDlgResults_OK)
-		rv = NS_FILE_FAILURE;
-
-Clean:
-	delete [] titles;
-	delete [] filters;
-	return rv;
-} // nsFileSpecWithUIImpl::chooseInputFile
-
-//----------------------------------------------------------------------------------------
-NS_IMETHODIMP nsFileSpecWithUIImpl::chooseDirectory(const char *title)
-//----------------------------------------------------------------------------------------
-{
-    nsCOMPtr<nsIFileWidget> fileWidget;
-    nsresult rv = nsComponentManager::CreateInstance(
-    	kCFileWidgetCID,
-        nsnull,
-        nsIFileWidget::GetIID(),
-        (void**)getter_AddRefs(fileWidget));
-	if (NS_FAILED(rv))
-		return rv;
-	if (fileWidget->GetFolder(nsnull, title, mFileSpec) != nsFileDlgResults_OK)
-		rv = NS_FILE_FAILURE;
-	return NS_OK;
-} // nsFileSpecWithUIImpl::chooseDirectory
-
-//----------------------------------------------------------------------------------------
-NS_WIDGET nsresult NS_NewFileSpecWithUI(nsIFileSpecWithUI** result)
-//----------------------------------------------------------------------------------------
-{
-	if (!result)
-		return NS_ERROR_NULL_POINTER;
-	nsFileSpecWithUIImpl* it = new nsFileSpecWithUIImpl;
-	if (!it)
-		return NS_ERROR_OUT_OF_MEMORY;
-	return it->QueryInterface(nsIFileSpecWithUI::GetIID(), (void **) result);
-}
-