Move SelectFileDialog implementation to ui/base/dialogs/

ui/base/dialogs/select_file_dialog_factory.h

+// Copyright (c) 2012 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 UI_BASE_DIALOGS_SELECT_FILE_DIALOG_FACTORY_H_
+#define UI_BASE_DIALOGS_SELECT_FILE_DIALOG_FACTORY_H_
+
+#include "ui/base/dialogs/select_file_dialog.h"
+#include "ui/base/ui_export.h"
+
+namespace ui {
+class SelectFilePolicy;
+
+// Some chrome components want to create their own SelectFileDialog objects
+// (for example, using an extension to provide the select file dialog needs to
+// live in chrome/ due to the extension dependency.)
+//
+// They can implement a factory which creates their SelectFileDialog.
+class UI_EXPORT SelectFileDialogFactory {
+ public:
+  virtual ~SelectFileDialogFactory();
+
+  virtual SelectFileDialog* Create(ui::SelectFileDialog::Listener* listener,
+                                   ui::SelectFilePolicy* policy) = 0;
+};
+
+}  // namespace ui
+
+#endif  // UI_BASE_DIALOGS_SELECT_FILE_DIALOG_FACTORY_H_