Don't use Application anymore. FUEL is removed (#512)

Author: gkatsev

common/content/base.js

@@ -333,7 +333,9 @@ function Class() {
     }
 
     extend(Constructor, superclass, args[0]);
-    update(Constructor, args[1]);
+    if (args[1]) {
+        update(Constructor, args[1]);
+    }
     args = args.slice(2);
     Array.forEach(args, function (obj) {
         if (callable(obj))

common/content/io.js

@@ -7,6 +7,8 @@
 
 /** @scope modules */
 
+const VERSION = Services.appinfo.platformVersion;
+
 plugins.contexts = {};
 const Script = Class("Script", {
     init: function (file) {
@@ -330,7 +332,7 @@ const IO = Module("io", {
         this._lastRunCommand = ""; // updated whenever the users runs a command with :!
         this._scriptNames = [];
 
-        if (services.get("vc").compare(Application.version, "26.0a1") < 0) {
+        if (services.get("vc").compare(VERSION, "26.0a1") < 0) {
             this.downloadListener = {
                 onDownloadStateChange: function (state, download) {
                     if (download.state == services.get("downloads").DOWNLOAD_FINISHED) {
@@ -372,7 +374,7 @@ const IO = Module("io", {
     },
 
     destroy: function () {
-        if (services.get("vc").compare(Application.version, "26.0a1") < 0) {
+        if (services.get("vc").compare(VERSION, "26.0a1") < 0) {
             services.get("downloads").removeListener(this.downloadListener);
         } else {
             let {Downloads} = Cu.import("resource://gre/modules/Downloads.jsm", {});

common/content/preferences.xul

@@ -5,7 +5,7 @@
         let uri = Components.classes["@mozilla.org/network/io-service;1"]
                             .getService(Components.interfaces.nsIIOService)
                             .newURI("liberator://help/options", null, null);
-        Application.activeWindow.open(uri).focus(); // TODO: generalise for Muttator et al.
+        <!--Application.activeWindow.open(uri).focus(); // TODO: generalise for Muttator et al.-->
         window.close();
     </script>
 </window>

common/content/util.js

@@ -426,7 +426,7 @@ const Util = Module("util", {
             null
         );
 
-        if (services.get("vc").compare(Application.version, "33") >= 0
+        if (services.get("vc").compare(VERSION, "33") >= 0
             && Cu.isXrayWrapper(result)) {
             let xr = result;