gtk: Extract event functions into event_utils module.

chrome/browser/ui/gtk/menu_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/menu_gtk.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/ui/gtk/event_utils.h"
 #include "chrome/browser/ui/gtk/gtk_custom_menu.h"
 #include "chrome/browser/ui/gtk/gtk_custom_menu_item.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/accelerators/accelerator_gtk.h"
 #include "ui/base/gtk/menu_label_accelerator_util.h"
 #include "ui/base/models/button_menu_item_model.h"
 #include "ui/base/models/menu_model.h"
 #include "ui/gfx/gtk_util.h"
 #include "webkit/glue/window_open_disposition.h"
@@ skipping 867 matching lines @@
       gtk_widget_hide(widget);
     }
 
     GtkWidget* submenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(widget));
     if (submenu) {
       gtk_container_foreach(GTK_CONTAINER(submenu), &SetMenuItemInfo,
                             userdata);
     }
   }
 }