Issue 2325 - Add a way to set settings in libadblockplus for FRP and automatic updates

lib/prefs.js

Index: lib/prefs.js
===================================================================
--- a/lib/prefs.js
+++ b/lib/prefs.js
@@ -41,10 +41,14 @@
   update_hard_expiration: 0,
   currentVersion: "0.0",
   notificationdata: {},
-  notificationurl: "https://notification.adblockplus.org/notification.json"
+  notificationurl: "https://notification.adblockplus.org/notification.json",
+  suppress_first_run_page: false,
+  disable_auto_updates: false
 };
 
-let values = Object.create(defaults);
+let preconfigurable = ["suppress_first_run_page", "disable_auto_updates"];
+
+let values;
 let path = _fileSystem.resolve("prefs.json");
 let listeners = [];
 let isDirty = false;
@@ -131,7 +135,16 @@
   },
 };
 
+// Update the default prefs with what was preconfigured
+for (let key in _preconfiguredPrefs)
+  if (preconfigurable.indexOf(key) != -1)
+    defaults[key] = _preconfiguredPrefs[key];
+
+// Define defaults
 for (let key in defaults)
   defineProperty(key);
 
+// Set values of prefs based on defaults
+values = Object.create(defaults);
+
 load();