Add missing include post-113893.

chrome/browser/ui/gtk/gtk_custom_menu_item.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/gtk/gtk_custom_menu_item.h"
 
 #include "base/i18n/rtl.h"
 #include "chrome/browser/ui/gtk/gtk_custom_menu.h"
+#include "ui/base/gtk/gtk_compat.h"
 
 // This method was autogenerated by the program glib-genmarshall, which
 // generated it from the line "BOOL:INT". Two different attempts at getting gyp
 // to autogenerate this didn't work. If we need more non-standard marshallers,
 // this should be deleted, and an actual build step should be added.
 void chrome_marshall_BOOLEAN__INT(GClosure* closure,
                                   GValue* return_value G_GNUC_UNUSED,
                                   guint n_param_values,
                                   const GValue* param_values,
                                   gpointer invocation_hint G_GNUC_UNUSED,
@@ skipping 460 matching lines @@
                                          gpointer callback_data) {
   // Even though we're filtering |all_widgets| on GTK_IS_BUTTON(), this isn't
   // equivalent to |button_widgets| because we also want the button-labels.
   for (GList* i = menu_item->all_widgets; i && GTK_IS_BUTTON(i->data);
        i = g_list_next(i)) {
     if (GTK_IS_BUTTON(i->data)) {
       callback(GTK_WIDGET(i->data), callback_data);
     }
   }
 }