Bug 1535325 atk: Always convert control character events into key names r=Jamie

Differential Revision: https://phabricator.services.mozilla.com/D23638

--HG--
extra : moz-landing-system : lando

accessible/atk/UtilInterface.cpp

@@ -161,8 +161,7 @@ static AtkKeyEventStruct *atk_key_event_from_gdk_event_key(GdkEventKey *key) {
   event->keyval = key->keyval;
   event->length = key->length;
   if (key->string && key->string[0] &&
-      (key->state & GDK_CONTROL_MASK ||
-       g_unichar_isgraph(g_utf8_get_char(key->string)))) {
+      g_unichar_isgraph(g_utf8_get_char(key->string))) {
     event->string = key->string;
   } else if (key->type == GDK_KEY_PRESS || key->type == GDK_KEY_RELEASE) {
     event->string = gdk_keyval_name(key->keyval);