Clean up so loose ends from the recent Command#execute refactoring.

This fixes [count]u.

--HG--
extra : rebase_source : a453a99a757e434b6ce1758320d5840d8286002e

common/content/browser.js

@@ -156,7 +156,7 @@ const Browser = Module("browser", {
 
         mappings.add([modes.NORMAL], ["<C-l>"],
             "Redraw the screen",
-            function () { commands.get("redraw").execute("", false); });
+            function () { dactyl.execute("redraw"); });
     },
 
     commands: function () {
@@ -186,9 +186,8 @@ const Browser = Module("browser", {
         commands.add(["redr[aw]"],
             "Redraw the screen",
             function () {
-                let wu = window.QueryInterface(Ci.nsIInterfaceRequestor)
-                               .getInterface(Ci.nsIDOMWindowUtils);
-                wu.redraw();
+                window.QueryInterface(Ci.nsIInterfaceRequestor)
+                      .getInterface(Ci.nsIDOMWindowUtils).redraw();
                 modes.show();
             },
             { argCount: "0" });

common/content/commands.js

@@ -127,14 +127,7 @@ const Command = Class("Command", {
     /**
      * Execute this command.
      *
-     * @param {string} args The args to be parsed and passed to
-     *     {@link #action}.
-     * @param {boolean} bang Whether this command was executed with a trailing
-     *     bang.
-     * @deprecated
-     * @param {number} count Whether this command was executed with a leading
-     *     count.
-     * @deprecated
+     * @param {Args} args The Args object passed to {@link #action}.
      * @param {Object} modifiers Any modifiers to be passed to {@link #action}.
      */
     execute: function (args, modifiers) {

common/content/io.js

@@ -375,8 +375,6 @@ lookup:
                     dactyl.assert(false, "Unexpected end of file waiting for " + end);
                 };
 
-                function execute(args) { command.execute(args, special, count, { setFrom: file }); }
-
                 let iter = Iterator(lines);
                 for (let [i, line] in iter) {
                     if (this.sourcing.finished)

common/content/tabs.js

@@ -968,7 +968,7 @@ const Tabs = Module("tabs", {
             if (dactyl.has("tabs_undo")) {
                 mappings.add([modes.NORMAL], ["u"],
                     "Undo closing of a tab",
-                    function (count) { commands.get("undo").execute("", false, count); },
+                    function (count) { dactyl.execute(count + "undo"); },
                     { count: true });
             }