Load notifications script from background page

js/options.js

@@ -15,18 +15,19 @@
  */
 ;(function() {
     'use strict';
+    extension.windows.getBackground(function(bg) {
         $('.notifications .on button').click(function() {
-        Whisper.Notifications.disable();
+            bg.Whisper.Notifications.disable();
             initOptions();
         });
 
         $('.notifications .off button').click(function() {
-        Whisper.Notifications.enable(initOptions);
+            bg.Whisper.Notifications.enable(initOptions);
             initOptions();
         });
 
         function initOptions() {
-        if (Whisper.Notifications.isEnabled()) {
+            if (bg.Whisper.Notifications.isEnabled()) {
                 $('.notifications .on').show();
                 $('.notifications .off').hide();
             } else {
@@ -69,7 +70,6 @@
         });
 
         $(function() {
-        extension.windows.getBackground(function(bg) {
             if (bg.textsecure.registration.isDone()) {
                 $('#complete-number').text(bg.textsecure.storage.user.getNumber());
                 $('#setup-complete').show().addClass('in');

options.html

@@ -117,7 +117,6 @@
   <script type="text/javascript" src="js/components.js"></script>
   <script type="text/javascript" src="js/database.js"></script>
 
-  <script type="text/javascript" src="js/notifications.js"></script>
   <script type="text/javascript" src="js/libphonenumber-util.js"></script>
   <script type="text/javascript" src="js/models/messages.js"></script>
   <script type="text/javascript" src="js/models/conversations.js"></script>