Refactor AppModalDialogQueue and move JS Alert boxes into a MVC.

chrome/browser/views/jsmessage_box_dialog.h

Index: chrome/browser/views/jsmessage_box_dialog.h
diff --git a/chrome/browser/views/jsmessage_box_dialog.h b/chrome/browser/views/jsmessage_box_dialog.h
new file mode 100644
index 0000000000000000000000000000000000000000..7195904b01bbe55079d9d9e40f654b266fffd8a4
--- /dev/null
+++ b/chrome/browser/views/jsmessage_box_dialog.h
@@ -0,0 +1,64 @@
+// 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.
+
+#ifndef CHROME_BROWSER_VIEWS_JSMESSAGE_BOX_DIALOG_H_
+#define CHROME_BROWSER_VIEWS_JSMESSAGE_BOX_DIALOG_H_
+
+#include <string>
+
+#include "chrome/browser/app_modal_dialog.h"
+#include "chrome/views/window/dialog_delegate.h"
+
+class MessageBoxView;
+class WebContents;
+namespace views {
+class Window;
+}
+
+class JavascriptMessageBoxDialog : public views::DialogDelegate {
+ public:
+  JavascriptMessageBoxDialog(AppModalDialog* parent,
+                             const std::wstring& message_text,
+                             const std::wstring& default_prompt_text,
+                             bool display_suppress_checkbox);
+
+  virtual ~JavascriptMessageBoxDialog();
+
+  // Methods called from AppModalDialog.
+  void ShowModalDialog();
+  void ActivateModalDialog();
+  void CloseModalDialog();
+
+  // views::DialogDelegate Methods:
+  virtual int GetDialogButtons() const;
+  virtual std::wstring GetWindowTitle() const;
+  virtual void WindowClosing();
+  virtual void DeleteDelegate();
+  virtual bool Cancel();
+  virtual bool Accept();
+  virtual std::wstring GetDialogButtonLabel(DialogButton button) const;
+
+  // views::WindowDelegate Methods:
+  virtual bool IsModal() const { return true; }
+  virtual views::View* GetContentsView();
+  virtual views::View* GetInitiallyFocusedView();
+
+ private:
+  WebContents* web_contents() {
+    return parent_->web_contents();
+  }
+
+  // A pointer to the AppModalDialog that owns us.
+  AppModalDialog* parent_;
+
+  // The message box view whose commands we handle.
+  MessageBoxView* message_box_view_;
+
+  // The dialog if it is currently visible.
+  views::Window* dialog_;
+
+  DISALLOW_COPY_AND_ASSIGN(JavascriptMessageBoxDialog);
+};
+
+#endif  // CHROME_BROWSER_VIEWS_JSMESSAGE_BOX_DIALOG_H_