Bug 777145 - B2G Network Manager: support navigator.onLine / online / offline events. r=philikon

dom/system/gonk/NetworkManager.js

@@ -180,6 +180,7 @@ NetworkManager.prototype = {
     if (this.active) {
       this.setDefaultRouteAndDNS(oldActive);
     }
+    Services.io.offline = !this.active;
   },
 
   setDefaultRouteAndDNS: function setDefaultRouteAndDNS(oldInterface) {