Add in a missing call to propagate the extension choices to the Save As dialog.

chrome/utility/shell_handler_win.cc

 // Copyright 2014 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/utility/shell_handler_win.h"
 
 #include <commdlg.h>
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 46 matching lines @@
     content::UtilityThread::Get()->Send(
         new ChromeUtilityHostMsg_GetOpenFileName_Failed());
   }
 }
 
 void ShellHandler::OnGetSaveFileName(
     const ChromeUtilityMsg_GetSaveFileName_Params& params) {
   ui::win::OpenFileName open_file_name(params.owner, params.flags);
   open_file_name.SetInitialSelection(params.initial_directory,
                                      params.suggested_filename);
+  open_file_name.SetFilters(params.filters);
   open_file_name.GetOPENFILENAME()->nFilterIndex =
       params.one_based_filter_index;
   open_file_name.GetOPENFILENAME()->lpstrDefExt =
       params.default_extension.c_str();
 
   open_file_name.MaybeInstallWindowPositionHookForSaveAsOnXP();
 
   if (::GetSaveFileName(open_file_name.GetOPENFILENAME())) {
     content::UtilityThread::Get()->Send(
         new ChromeUtilityHostMsg_GetSaveFileName_Result(
             base::FilePath(open_file_name.GetOPENFILENAME()->lpstrFile),
             open_file_name.GetOPENFILENAME()->nFilterIndex));
     return;
   }
 
   // Zero means the dialog was closed, otherwise we had an error.
   DWORD error_code = ::CommDlgExtendedError();
   if (error_code != 0)
     NOTREACHED() << "GetSaveFileName failed with code: " << error_code;
 
   content::UtilityThread::Get()->Send(
       new ChromeUtilityHostMsg_GetSaveFileName_Failed());
 }