Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/importer/import_lock_dialog_gtk.h

-// Copyright (c) 2011 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_UI_GTK_IMPORTER_IMPORT_LOCK_DIALOG_GTK_H_
-#define CHROME_BROWSER_UI_GTK_IMPORTER_IMPORT_LOCK_DIALOG_GTK_H_
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "ui/base/gtk/gtk_signal.h"
-
-typedef struct _GtkWidget GtkWidget;
-typedef struct _GtkWindow GtkWindow;
-
-// ImportLockDialogGtk presents the dialog which asks the user to shut down
-// Firefox before starting the profile import.
-class ImportLockDialogGtk {
- public:
-  static void Show(GtkWindow* parent,
-                   const base::Callback<void(bool)>& callback);
-
- private:
-  ImportLockDialogGtk(GtkWindow* parent,
-                      const base::Callback<void(bool)>& callback);
-  ~ImportLockDialogGtk();
-
-  CHROMEGTK_CALLBACK_1(ImportLockDialogGtk, void, OnResponse, int);
-
-  // Import lock dialog.
-  GtkWidget* dialog_;
-
-  // Called with the result of the dialog.
-  base::Callback<void(bool)> callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(ImportLockDialogGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_IMPORTER_IMPORT_LOCK_DIALOG_GTK_H_