- Electron version: 0.36.12, 0.37.6
- Operating system: Kubuntu 15.10

Try Ctrl+Shift+F, find progress freeze always.

atom/browser/common_web_contents_delegate.cc
const base::FilePath& file_system_path) {
  base::FilePath path = file_system_path;
  if (path.empty()) {
    file_dialog::Filters filters;
    base::FilePath default_path;
    std::vector<base::FilePath> paths;
    int flag = file_dialog::FILE_DIALOG_OPEN_DIRECTORY;
    if (!file_dialog::ShowOpenDialog(owner_window(), "", default_path,
                                     filters, flag, &paths))
      return;
    path = paths[0];
  }
  std::string file_system_id = RegisterFileSystem(GetDevToolsWebContents(),
                                                  path);
  auto file_system_paths = GetAddedFileSystemPaths(GetDevToolsWebContents());
  if (file_system_paths.find(path.AsUTF8Unsafe()) != file_system_paths.end())