Re-apply r23841 "During uninstall if Chrome is set as default"

chrome/browser/views/uninstall_dialog.h

-// 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.
-
-#ifndef CHROME_BROWSER_VIEWS_UNINSTALL_DIALOG_H_
-#define CHROME_BROWSER_VIEWS_UNINSTALL_DIALOG_H_
-
-#include "base/basictypes.h"
-#include "views/window/dialog_delegate.h"
-
-class MessageBoxView;
-
-// UninstallDialog implements the dialog that confirms Chrome uninstallation
-// and asks whether to delete Chrome profile.
-class UninstallDialog : public views::DialogDelegate {
- public:
-  static void ShowUninstallDialog(int& user_selection);
-
- protected:
-  // Overridden from views::DialogDelegate:
-  virtual bool Accept();
-  virtual bool Cancel();
-  virtual std::wstring GetWindowTitle() const;
-
-  // Overridden from views::WindowDelegate:
-  virtual void DeleteDelegate();
-  virtual views::View* GetContentsView();
-
- private:
-  explicit UninstallDialog(int& user_selection);
-  virtual ~UninstallDialog();
-
-  MessageBoxView* message_box_view_;
-  int& user_selection_;
-
-  DISALLOW_COPY_AND_ASSIGN(UninstallDialog);
-};
-
-#endif  // CHROME_BROWSER_VIEWS_UNINSTALL_DIALOG_H_