[gnome-shell] focusCaretTracker: Minor cleanup

[Florian Müllner <fmuellner src gnome org>]

commit b04c47c15f7bb9de053d159abadc74ef03af3b6e
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Sep 6 10:18:09 2013 +0200

    focusCaretTracker: Minor cleanup

 js/ui/focusCaretTracker.js |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/js/ui/focusCaretTracker.js b/js/ui/focusCaretTracker.js
index c4c4d7f..4e18e65 100644
--- a/js/ui/focusCaretTracker.js
+++ b/js/ui/focusCaretTracker.js
@@ -37,14 +37,10 @@ const FocusCaretTracker = new Lang.Class({
     },
 
     _onChanged: function(event) {
-        let update = null;
-
         if (event.type.indexOf(STATECHANGED) == 0)
-            update = 'focus-changed';
+            this.emit('focus-changed', event);
         else if (event.type == CARETMOVED)
-            update = 'caret-moved';
-        if(update != null)
-            this.emit(update, event);
+            this.emit('caret-moved', event);
     },
 
     registerFocusListener: function() {