Add initial code to do filename munging in the FileSystem....

chrome/browser/printing/print_dialog_gtk.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/printing/print_dialog_gtk.h"
 
 #include <gtk/gtkprintjob.h>
 #include <gtk/gtkprintunixdialog.h>
 #include <gtk/gtkpagesetupunixdialog.h>
 
@@ skipping 72 matching lines @@
 
 // static
 void PrintDialogGtk::CreateDialogImpl(const FilePath& path) {
   // Only show one print dialog at once. This is to prevent a page from
   // locking up the system with
   //
   //   while(true){print();}
   base::AutoLock lock(DialogLock());
   if (g_print_dialog) {
     // Clean up the temporary file.
-    base::FileUtilProxy::Delete(
+    base::FileUtilProxy::GetInstance()->Delete(
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
         path, false, NULL);
     return;
   }
 
   g_print_dialog = new PrintDialogGtk(path);
 }
 
 PrintDialogGtk::PrintDialogGtk(const FilePath& path_to_pdf)
     : path_to_pdf_(path_to_pdf),
@@ skipping 67 matching lines @@
 
 void PrintDialogGtk::OnJobCompleted(GtkPrintJob* job, GError* error) {
   gtk_widget_destroy(dialog_);
 
   if (error)
     LOG(ERROR) << "Printing failed: " << error->message;
 
   if (job)
     g_object_unref(job);
 
-  base::FileUtilProxy::Delete(
+  base::FileUtilProxy::GetInstance()->Delete(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
       path_to_pdf_,
       false,
       NULL);
 
   delete this;
 }