FilePath: Remove most of ToWStringHack, adding a LossyDisplayName()

chrome/browser/ui/views/user_data_dir_dialog.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 "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/views/user_data_dir_dialog.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 10 matching lines @@
   MessageLoopForUI::current()->Run(dlg);
   return dlg->user_data_dir();
 }
 
 UserDataDirDialog::UserDataDirDialog(const FilePath& user_data_dir)
     : ALLOW_THIS_IN_INITIALIZER_LIST(
           select_file_dialog_(SelectFileDialog::Create(this))),
       is_blocking_(true) {
   std::wstring message_text = UTF16ToWide(l10n_util::GetStringFUTF16(
       IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY,
-      WideToUTF16Hack(user_data_dir.ToWStringHack())));
+      user_data_dir.LossyDisplayName()));
   const int kDialogWidth = 400;
   message_box_view_ = new MessageBoxView(
       ui::MessageBoxFlags::kIsConfirmMessageBox,
       message_text.c_str(), std::wstring(), kDialogWidth);
 
   views::Window::CreateChromeWindow(NULL, gfx::Rect(), this)->Show();
 }
 
 UserDataDirDialog::~UserDataDirDialog() {
   select_file_dialog_->ListenerDestroyed();
@@ skipping 53 matching lines @@
 }
 
 void UserDataDirDialog::FileSelected(const FilePath& path,
                                      int index, void* params) {
   user_data_dir_ = path;
   is_blocking_ = false;
 }
 
 void UserDataDirDialog::FileSelectionCanceled(void* params) {
 }