Refactor AppModalDialogQueue and move JS Alert boxes into a MVC.

chrome/browser/app_modal_dialog_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/browser/app_modal_dialog.h"
+
+#include "base/logging.h"
+#include "chrome/browser/views/jsmessage_box_dialog.h"
+#include "chrome/browser/tab_contents/web_contents.h"
+#include "chrome/views/window/window.h"
+
+AppModalDialog::~AppModalDialog() {
+}
+
+void AppModalDialog::CreateAndShowDialog() {
+  dialog_ = new JavascriptMessageBoxDialog(this, message_text_,
+      default_prompt_text_, display_suppress_checkbox_);
+  DCHECK(dialog_->IsModal());
+  dialog_->ShowModalDialog();
+}
+
+void AppModalDialog::ActivateModalDialog() {
+  dialog_->ActivateModalDialog();
+}
+
+void AppModalDialog::CloseModalDialog() {
+  dialog_->CloseModalDialog();
+}
+
+int AppModalDialog::GetDialogButtons() {
+  return dialog_->GetDialogButtons();
+}
+
+void AppModalDialog::AcceptWindow() {
+  views::DialogClientView* client_view =
+      dialog_->window()->GetClientView()->AsDialogClientView();
+  client_view->AcceptWindow();
+}
+
+void AppModalDialog::CancelWindow() {
+  views::DialogClientView* client_view =
+      dialog_->window()->GetClientView()->AsDialogClientView();
+  client_view->CancelWindow();
+}