Issue 2437 - Update adblockplus dependency to revision 752ffe2eeaf1

lib/prefs.js

Index: lib/prefs.js
===================================================================
--- a/lib/prefs.js
+++ b/lib/prefs.js
@@ -52,20 +52,24 @@
 
 function defineProperty(key)
 {
-  Prefs.__defineGetter__(key, function() values[key]);
-  Prefs.__defineSetter__(key, function(value)
+  Object.defineProperty(Prefs, key,
   {
-    if (typeof value != typeof defaults[key])
-      throw new Error("Attempt to change preference type");
+    get: () => values[key],
+    set: function(value)
+    {
+      if (typeof value != typeof defaults[key])
+        throw new Error("Attempt to change preference type");
 
-    if (value == defaults[key])
-      delete values[key];
-    else
-      values[key] = value;
-    save();
+      if (value == defaults[key])
+        delete values[key];
+      else
+        values[key] = value;
+      save();
 
-    for (let listener of listeners)
-      listener(key);
+      for (let listener of listeners)
+        listener(key);
+    },
+    enumerable: true
   });
 }