--- webkitgtk-2.1.90/Source/WebKit/gtk/webkit/webkitwebsettings.cpp.0002	2013-08-04 00:10:40.000000000 +0800
+++ webkitgtk-2.1.90/Source/WebKit/gtk/webkit/webkitwebsettings.cpp	2013-08-28 08:03:11.661948648 +0800
@@ -99,6 +99,7 @@
     PROP_ENABLE_FRAME_FLATTENING,
     PROP_USER_AGENT,
     PROP_JAVASCRIPT_CAN_OPEN_WINDOWS_AUTOMATICALLY,
+    PROP_ALLOW_SCRIPTS_TO_CLOSE_WINDOWS,
     PROP_JAVASCRIPT_CAN_ACCESS_CLIPBOARD,
     PROP_ENABLE_OFFLINE_WEB_APPLICATION_CACHE,
     PROP_EDITING_BEHAVIOR,
@@ -580,6 +581,20 @@
                                                          flags));
 
     /**
+     * WebKitWebSettings: allow-scripts-to-close-windows:
+     *
+     * Whether JavaScript can close windows automatically without user intervention.
+     *
+     */
+    g_object_class_install_property(gobject_class,
+				    PROP_ALLOW_SCRIPTS_TO_CLOSE_WINDOWS,
+				    g_param_spec_boolean("allow-scripts-to-close-windows",
+							 _("JavaScript can close windows automatically"),
+							 _("Whether JavaScript can close windows automatically"),
+							 FALSE,
+							 flags));
+
+    /**
     * WebKitWebSettings:javascript-can-access-clipboard:
     *
     * Whether JavaScript can access Clipboard.
@@ -1148,6 +1163,9 @@
     case PROP_JAVASCRIPT_CAN_OPEN_WINDOWS_AUTOMATICALLY:
         priv->javascriptCanOpenWindowsAutomatically = g_value_get_boolean(value);
         break;
+    case PROP_ALLOW_SCRIPTS_TO_CLOSE_WINDOWS:
+        priv->allowScriptsToCloseWindows = g_value_get_boolean(value);
+        break;
     case PROP_JAVASCRIPT_CAN_ACCESS_CLIPBOARD:
         priv->javascriptCanAccessClipboard = g_value_get_boolean(value);
         break;
@@ -1337,6 +1355,9 @@
     case PROP_JAVASCRIPT_CAN_OPEN_WINDOWS_AUTOMATICALLY:
         g_value_set_boolean(value, priv->javascriptCanOpenWindowsAutomatically);
         break;
+    case PROP_ALLOW_SCRIPTS_TO_CLOSE_WINDOWS:
+        g_value_set_boolean(value, priv->allowScriptsToCloseWindows);
+        break;
     case PROP_JAVASCRIPT_CAN_ACCESS_CLIPBOARD:
         g_value_set_boolean(value, priv->javascriptCanAccessClipboard);
         break;
--- webkitgtk-2.1.90/Source/WebKit/gtk/webkit/webkitwebsettingsprivate.h.0002	2013-08-04 00:10:40.000000000 +0800
+++ webkitgtk-2.1.90/Source/WebKit/gtk/webkit/webkitwebsettingsprivate.h	2013-08-28 08:03:11.661948648 +0800
@@ -63,6 +63,7 @@
     gboolean enableFrameFlattening;
     CString userAgent;
     gboolean javascriptCanOpenWindowsAutomatically;
+    gboolean allowScriptsToCloseWindows;
     gboolean javascriptCanAccessClipboard;
     gboolean enableOfflineWebApplicationCache;
     WebKitEditingBehavior editingBehavior;
--- webkitgtk-2.1.90/Source/WebKit/gtk/webkit/webkitwebview.cpp.0002	2013-08-27 14:27:07.000000000 +0800
+++ webkitgtk-2.1.90/Source/WebKit/gtk/webkit/webkitwebview.cpp	2013-08-28 08:06:48.638220233 +0800
@@ -3526,6 +3526,7 @@
     coreSettings.setSpatialNavigationEnabled(settingsPrivate->enableSpatialNavigation);
     coreSettings.setFrameFlatteningEnabled(settingsPrivate->enableFrameFlattening);
     coreSettings.setJavaScriptCanOpenWindowsAutomatically(settingsPrivate->javascriptCanOpenWindowsAutomatically);
+    coreSettings.setAllowScriptsToCloseWindows(settingsPrivate->allowScriptsToCloseWindows);
     coreSettings.setJavaScriptCanAccessClipboard(settingsPrivate->javascriptCanAccessClipboard);
     coreSettings.setOfflineWebApplicationCacheEnabled(settingsPrivate->enableOfflineWebApplicationCache);
     coreSettings.setEditingBehaviorType(static_cast<WebCore::EditingBehaviorType>(settingsPrivate->editingBehavior));
@@ -3668,6 +3669,8 @@
         settings.setFrameFlatteningEnabled(g_value_get_boolean(&value));
     else if (name == g_intern_string("javascript-can-open-windows-automatically"))
         settings.setJavaScriptCanOpenWindowsAutomatically(g_value_get_boolean(&value));
+    else if (name == g_intern_string("allow-scripts-to-close-windows"))
+	settings.setAllowScriptsToCloseWindows(g_value_get_boolean(&value));
     else if (name == g_intern_string("javascript-can-access-clipboard"))
         settings.setJavaScriptCanAccessClipboard(g_value_get_boolean(&value));
     else if (name == g_intern_string("enable-offline-web-application-cache"))