GTK: Remove use of deprecated gtk_dialog_set_has_separator

chrome/browser/ui/input_window_dialog_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/input_window_dialog_gtk.h"
 
 #include <gtk/gtk.h>
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 InputWindowDialogGtk::InputWindowDialogGtk(GtkWindow* parent,
                                            const std::string& window_title,
                                            const std::string& label,
                                            const std::string& contents,
                                            Delegate* delegate,
                                            ButtonType type)
     : dialog_(gtk_dialog_new_with_buttons(
                   window_title.c_str(),
                   parent,
                   GTK_DIALOG_MODAL,
                   GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
                   type == BUTTON_TYPE_ADD ? GTK_STOCK_ADD : GTK_STOCK_SAVE,
                   GTK_RESPONSE_ACCEPT,
                   NULL)),
       delegate_(delegate) {
   gtk_dialog_set_default_response(GTK_DIALOG(dialog_), GTK_RESPONSE_ACCEPT);
+#if !GTK_CHECK_VERSION(2, 22, 0)
   gtk_dialog_set_has_separator(GTK_DIALOG(dialog_), FALSE);
+#endif
   gtk_window_set_resizable(GTK_WINDOW(dialog_), FALSE);
 
   GtkWidget* content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog_));
   gtk_box_set_spacing(GTK_BOX(content_area), 18);
 
   GtkWidget* hbox = gtk_hbox_new(FALSE, 6);
   GtkWidget* label_widget = gtk_label_new(label.c_str());
   gtk_box_pack_start(GTK_BOX(hbox), label_widget, FALSE, FALSE, 0);
 
   input_ = gtk_entry_new();
@@ skipping 58 matching lines @@
 
   // Return true to prevent the gtk dialog from being destroyed. Close will
   // destroy it for us and the default gtk_dialog_delete_event_handler() will
   // force the destruction without us being able to stop it.
   return TRUE;
 }
 
 void InputWindowDialogGtk::OnWindowDestroy(GtkWidget* widget) {
   MessageLoop::current()->DeleteSoon(FROM_HERE, this);
 }