Bug 959366 - Remove unused LazyNotificationGetter.shutdown function. r=mleibovic

mobile/android/chrome/content/browser.js

@@ -95,17 +95,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "WebappManager",
   });
 });
 
-// Lazily-loaded browser scripts that use observer notifcations:
-var LazyNotificationGetter = {
-  observers: [],
-  shutdown: function lng_shutdown() {
-    this.observers.forEach(function(o) {
-      Services.obs.removeObserver(o, o.notification);
-    });
-    this.observers = [];
-  }
-};
-
 [
 #ifdef MOZ_WEBRTC
   ["WebrtcUI", ["getUserMedia:request", "recording-device-events"], "chrome://browser/content/WebrtcUI.js"],
@@ -125,14 +114,9 @@ var LazyNotificationGetter = {
     return sandbox[name];
   });
   notifications.forEach(function (aNotification) {
-    let o = {
-      notification: aNotification,
-      observe: function(s, t, d) {
-        window[name].observe(s, t, d);
-      }
-    };
-    Services.obs.addObserver(o, aNotification, false);
-    LazyNotificationGetter.observers.push(o);
+    Services.obs.addObserver(function(s, t, d) {
+        window[name].observe(s, t, d)
+    }, aNotification, false);
   });
 });
 
@@ -143,12 +127,9 @@ var LazyNotificationGetter = {
   let [name, notifications, resource] = module;
   XPCOMUtils.defineLazyModuleGetter(this, name, resource);
   notifications.forEach(notification => {
-    let o = {
-      notification: notification,
-      observe: (s, t, d) => this[name].observe(s, t, d)
-    };
-    Services.obs.addObserver(o, notification, false);
-    LazyNotificationGetter.observers.push(o);
+    Services.obs.addObserver((s,t,d) => {
+      this[name].observe(s,t,d)
+    }, notification, false);
   });
 });