diff -Nru gtk+3.0-3.10.8/debian/changelog gtk+3.0-3.10.8/debian/changelog
--- gtk+3.0-3.10.8/debian/changelog	2014-11-21 19:13:09.000000000 +0100
+++ gtk+3.0-3.10.8/debian/changelog	2015-01-15 10:48:23.000000000 +0100
@@ -1,3 +1,11 @@
+gtk+3.0 (3.10.8-0ubuntu1.4) trusty; urgency=medium
+
+  * debian/patches/no_popup_menu_in_gtk_window.patch
+    - Prevents the menu key from opening neverending menus and from taking
+      the focus away from the screensaver (LP: #1366790)
+
+ -- Margarita Manterola <marga@google.com>  Thu, 15 Jan 2015 10:47:19 +0100
+
 gtk+3.0 (3.10.8-0ubuntu1.3) trusty; urgency=medium
 
   * debian/patches/use-secrets-service-for-cups-auth_info.patch
diff -Nru gtk+3.0-3.10.8/debian/patches/no_popup_menu_in_gtk_window.patch gtk+3.0-3.10.8/debian/patches/no_popup_menu_in_gtk_window.patch
--- gtk+3.0-3.10.8/debian/patches/no_popup_menu_in_gtk_window.patch	1970-01-01 01:00:00.000000000 +0100
+++ gtk+3.0-3.10.8/debian/patches/no_popup_menu_in_gtk_window.patch	2015-01-15 10:46:45.000000000 +0100
@@ -0,0 +1,46 @@
+From: Matthias Clasen <mclasen@redhat.com>
+Subject: [gtk+] Don't implement popup_menu in GtkWindow
+
+ This leads to disastruous results, since each menu is itself
+ in a GtkWindow, so holding down the menu key leads to a neverending
+ cascade of menus on top of menus.
+
+Origin: upstream, https://git.gnome.org/browse/gtk+/commit/?id=1691bb741d50c90ee938f0b73fe81b0ca9bfd6d4
+Bug: https://bugzilla.gnome.org/show_bug.cgi?id=722106
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=738828
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/trusty/+source/gtk+3.0/+bug/1366790
+Index: gtk+3.0-3.10.8/gtk/gtkwindow.c
+===================================================================
+--- gtk+3.0-3.10.8.orig/gtk/gtkwindow.c	2015-01-15 10:39:19.000000000 +0100
++++ gtk+3.0-3.10.8/gtk/gtkwindow.c	2015-01-15 10:42:29.101472325 +0100
+@@ -479,7 +479,6 @@
+ #endif
+ static void        gtk_window_set_theme_variant         (GtkWindow  *window);
+ 
+-static gboolean    gtk_window_popup_menu       (GtkWidget      *widget);
+ static void        gtk_window_do_popup         (GtkWindow      *window,
+                                                 GdkEventButton *event);
+ 
+@@ -663,7 +662,6 @@
+   widget_class->direction_changed = gtk_window_direction_changed;
+   widget_class->state_changed = gtk_window_state_changed;
+   widget_class->style_updated = gtk_window_style_updated;
+-  widget_class->popup_menu = gtk_window_popup_menu;
+   widget_class->get_preferred_width = gtk_window_get_preferred_width;
+   widget_class->get_preferred_width_for_height = gtk_window_get_preferred_width_for_height;
+   widget_class->get_preferred_height = gtk_window_get_preferred_height;
+@@ -8301,14 +8299,6 @@
+                     0, gtk_get_current_event_time ());
+ }
+ 
+-static gboolean
+-gtk_window_popup_menu (GtkWidget *widget)
+-{
+-  gtk_window_do_popup (GTK_WINDOW (widget), NULL);
+-
+-  return TRUE;
+-}
+-
+ /*********************************
+  * Functions related to resizing *
+  *********************************/
diff -Nru gtk+3.0-3.10.8/debian/patches/series gtk+3.0-3.10.8/debian/patches/series
--- gtk+3.0-3.10.8/debian/patches/series	2014-11-21 19:13:09.000000000 +0100
+++ gtk+3.0-3.10.8/debian/patches/series	2015-01-15 10:40:36.000000000 +0100
@@ -23,3 +23,4 @@
 git-menu-binding-emit-submenu-close-after-activate.patch
 use-secrets-service-for-cups-auth_info.patch
 printing-initialize-auth_info.patch
+no_popup_menu_in_gtk_window.patch