Update info module to return better application/platform information

lib/info.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 exports.__defineGetter__("addonID", function()
 {
     return chrome.i18n.getMessage("@@extension_id");
 });
-exports.addonVersion = "2.1"; // Hardcoded for now
-exports.__defineGetter__("addonName", function()
-{
-    return chrome.i18n.getMessage("name");
-});
+exports.addonName = "adblockpluschrome";
+exports.addonVersion = "2.3"; // Hardcoded for now
 exports.addonRoot = "";
-exports.application = "chrome";
+exports.application = "opr" in window ? "opera" : "chrome";
+exports.platform = "chromium";
+
+let match = /\bChrome\/(\S+)/.exec(navigator.userAgent);
+if (match)
+  exports.platformVersion = match[1];
+else
+  exports.platformVersion = "0";
+
+match = (exports.application == "opera" ? /\bOPR\/(\S+)/.exec(navigator.userAgent) : null);
+if (match)
+  exports.applicationVersion = match[1];
+else
+  exports.applicationVersion = exports.platformVersion;