shell dialogs: Move the linux implementations.

ui/base/dialogs/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_
+#ifndef UI_BASE_DIALOGS_GTK_SELECT_FILE_DIALOG_IMPL_H_
+#define UI_BASE_DIALOGS_GTK_SELECT_FILE_DIALOG_IMPL_H_
 
 #include <set>
 
 #include "base/compiler_specific.h"
 #include "base/nix/xdg_util.h"
-#include "chrome/browser/ui/select_file_dialog.h"
+#include "ui/base/dialogs/select_file_dialog.h"
+
+namespace ui {
 
 // Shared implementation SelectFileDialog used by SelectFileDialogImplGTK
 class SelectFileDialogImpl : public SelectFileDialog {
  public:
   // Factory method for creating a GTK-styled SelectFileDialogImpl
   static SelectFileDialogImpl* NewSelectFileDialogImplGTK(
       Listener* listener,
       ui::SelectFilePolicy* policy);
   // Factory method for creating a KDE-styled SelectFileDialogImpl
   static SelectFileDialogImpl* NewSelectFileDialogImplKDE(
@@ skipping 45 matching lines @@
   Type type_;
 
   // 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_
+SelectFileDialog* CreateLinuxSelectFileDialog(
+    SelectFileDialog::Listener* listener,
+    SelectFilePolicy* policy);
+
+}  // namespace ui
+
+#endif  // UI_BASE_DIALOGS_GTK_SELECT_FILE_DIALOG_IMPL_H_