Start consolidating cross-port file selection code into ui/base/dialogs.

chrome/browser/ui/gtk/select_file_dialog_impl.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.
 //
 // This file implements common select dialog functionality between GTK and KDE.
 
 #ifndef CHROME_BROWSER_UI_GTK_SELECT_FILE_DIALOG_IMPL_H_
 #define CHROME_BROWSER_UI_GTK_SELECT_FILE_DIALOG_IMPL_H_
 #pragma once
 
 #include <set>
 
 #include "base/compiler_specific.h"
 #include "base/nix/xdg_util.h"
 #include "chrome/browser/ui/select_file_dialog.h"
 
 // Shared implementation SelectFileDialog used by SelectFileDialogImplGTK
 class SelectFileDialogImpl : public SelectFileDialog {
  public:
   // Factory method for creating a GTK-styled SelectFileDialogImpl
-  static SelectFileDialogImpl* NewSelectFileDialogImplGTK(Listener* listener);
+  static SelectFileDialogImpl* NewSelectFileDialogImplGTK(
+      Listener* listener,
+      ui::SelectFilePolicy* policy);
   // Factory method for creating a KDE-styled SelectFileDialogImpl
   static SelectFileDialogImpl* NewSelectFileDialogImplKDE(
       Listener* listener,
+      ui::SelectFilePolicy* policy,
       base::nix::DesktopEnvironment desktop);
 
   // Returns true if the SelectFileDialog class returned by
   // NewSelectFileDialogImplKDE will actually work.
   static bool CheckKDEDialogWorksOnUIThread();
 
   // BaseShellDialog implementation.
   virtual bool IsRunning(gfx::NativeWindow parent_window) const OVERRIDE;
   virtual void ListenerDestroyed() OVERRIDE;
 
  protected:
-  explicit SelectFileDialogImpl(Listener* listener);
+  explicit SelectFileDialogImpl(Listener* listener,
+                                ui::SelectFilePolicy* policy);
   virtual ~SelectFileDialogImpl();
 
   // SelectFileDialog implementation.
   // |params| is user data we pass back via the Listener interface.
   virtual void SelectFileImpl(Type type,
                               const string16& title,
                               const FilePath& default_path,
                               const FileTypeInfo* file_types,
                               int file_type_index,
                               const FilePath::StringType& default_extension,
@@ skipping 21 matching lines @@
 
   // These two variables track where the user last saved a file or opened a
   // file so that we can display future dialogs with the same starting path.
   static FilePath* last_saved_path_;
   static FilePath* last_opened_path_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_SELECT_FILE_DIALOG_IMPL_H_