[gnome-shell] messageTray: Remove code for ignoring num lock / scroll lock

[Jasper St. Pierre <jstpierre src gnome org>]

commit 42c1285ead5fa6c57c82c87bb50dbeac3ce18400
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sat Dec 22 22:21:47 2012 -0500

    messageTray: Remove code for ignoring num lock / scroll lock
    
    Clutter now ignores these masks, so we can remove code that depends
    on this.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=691731

 configure.ac         |    2 +-
 js/ui/messageTray.js |    5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 65ae03b..c8600f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,7 +62,7 @@ fi
 
 AM_CONDITIONAL(BUILD_RECORDER, $build_recorder)
 
-CLUTTER_MIN_VERSION=1.11.11
+CLUTTER_MIN_VERSION=1.13.4
 GOBJECT_INTROSPECTION_MIN_VERSION=0.10.1
 GJS_MIN_VERSION=1.35.4
 MUTTER_MIN_VERSION=3.7.4
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 517e7a9..246bbf6 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -1630,10 +1630,7 @@ const MessageTray = new Lang.Class({
     },
 
     _onNotificationKeyRelease: function(actor, event) {
-        let ignoredModifiers = global.display.get_ignored_modifier_mask();
-        let modifierState = event.get_state() & ~ignoredModifiers;
-
-        if (event.get_key_symbol() == Clutter.KEY_Escape && modifierState == 0) {
+        if (event.get_key_symbol() == Clutter.KEY_Escape && event.get_state() == 0) {
             this._closeNotification();
             return true;
         }