Issue 5760 - Use relative require paths

lib/prefs.js

Index: lib/prefs.js
===================================================================
--- a/lib/prefs.js
+++ b/lib/prefs.js
@@ -14,17 +14,17 @@
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /** @module prefs */
 
 "use strict";
 
-const {EventEmitter} = require("events");
+const {EventEmitter} = require("../adblockpluscore/lib/events");
 
 const keyPrefix = "pref:";
 
 let eventEmitter = new EventEmitter();
 let overrides = Object.create(null);
 
 /** @lends module:prefs.Prefs */
 let defaults = Object.create(null);
@@ -260,17 +260,17 @@
 }
 
 function savePref(pref)
 {
   ext.storage.set(prefToKey(pref), overrides[pref]);
 }
 
 let customSave = new Map();
-if (require("info").platform == "gecko")
+if (require("../buildtools/info").platform == "gecko")
 {
   // Saving one storage value causes all others to be saved as well on Gecko.
   // Make sure that updating ad counter doesn't cause the filters data to be
   // saved frequently as a side-effect.
   const MIN_UPDATE_INTERVAL = 60 * 1000;
   let lastUpdate = -MIN_UPDATE_INTERVAL;
   let updateScheduled = false;
   customSave.set("blocked_total", pref =>