Refactor AppModalDialogQueue and move JS Alert boxes into a MVC.

chrome/browser/js_before_unload_handler_win.cc

-// Copyright (c) 2006-2008 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/js_before_unload_handler_win.h"
-
-#include "chrome/browser/app_modal_dialog_queue.h"
-#include "chrome/common/l10n_util.h"
-#include "chrome/common/message_box_flags.h"
-#include "grit/generated_resources.h"
-
-void RunBeforeUnloadDialog(WebContents* web_contents,
-                           const GURL& frame_url,
-                           const std::wstring& message_text,
-                           IPC::Message* reply_msg) {
-  std::wstring full_message =
-      message_text + L"\n\n" +
-      l10n_util::GetString(IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER);
-  JavascriptBeforeUnloadHandler* handler =
-      new JavascriptBeforeUnloadHandler(web_contents, frame_url, full_message,
-                                        reply_msg);
-  AppModalDialogQueue::AddDialog(handler);
-}
-
-// JavascriptBeforeUnloadHandler -----------------------------------------------
-
-JavascriptBeforeUnloadHandler::JavascriptBeforeUnloadHandler(
-    WebContents* web_contents,
-    const GURL& frame_url,
-    const std::wstring& message_text,
-    IPC::Message* reply_msg)
-    : JavascriptMessageBoxHandler(web_contents,
-                                  frame_url,
-                                  MessageBox::kIsJavascriptConfirm,
-                                  message_text,
-                                  std::wstring(),
-                                  false,
-                                  reply_msg) {
-}
-
-std::wstring JavascriptBeforeUnloadHandler::GetWindowTitle() const {
-  return l10n_util::GetString(IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE);
-}
-
-std::wstring JavascriptBeforeUnloadHandler::GetDialogButtonLabel(
-    DialogButton button) const {
-  if (button == DialogDelegate::DIALOGBUTTON_OK) {
-    return l10n_util::GetString(IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL);
-  } else if (button == DialogDelegate::DIALOGBUTTON_CANCEL) {
-    return l10n_util::GetString(
-        IDS_BEFOREUNLOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL);
-  }
-  return L"";
-}