Re-enable save package on linux.

chrome/common/platform_util_win.cc

 // Copyright (c) 2009 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/common/platform_util.h"
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <commdlg.h>
 #include <dwmapi.h>
 #include <shellapi.h>
 #include <shlobj.h>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
+#include "base/gfx/native_widget_types.h"
 #include "base/logging.h"
 #include "chrome/common/win_util.h"
 
 namespace platform_util {
 
 void ShowItemInFolder(const FilePath& full_path) {
   FilePath dir = full_path.DirName();
   // ParseDisplayName will fail if the directory is "C:", it must be "C:\\".
   if (dir.value() == L"" || !file_util::EnsureEndsWithSeparator(&dir))
     return;
@@ skipping 47 matching lines @@
   if (FAILED(hr))
     return;
 
   const ITEMIDLIST* highlight[] = {
     {file_item},
   };
   (*open_folder_and_select_itemsPtr)(dir_item, arraysize(highlight),
                                      highlight, NULL);
 }
 
+gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
+  return GetAncestor(view, GA_ROOT);
+}
+
 }  // namespace platform_util