Use argCount: "0" for :restart.

--HG--
extra : rebase_source : 7ae0cb785c72e9c379f12e516621a5a2ade39aa2

common/content/dactyl.js

@@ -1914,7 +1914,8 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
 
         commands.add(["res[tart]"],
             "Force " + config.appName + " to restart",
-            function () { dactyl.restart(); });
+            function () { dactyl.restart(); },
+            { argCount: "0" });
 
         function findToolbar(name) util.evaluateXPath(
             "//*[@toolbarname=" + util.escapeString(name, "'") + "]",

common/tests/functional/testCommands.js

@@ -486,7 +486,9 @@ var tests = {
     reloadall: {
         noOutput: [""]
     },
-    restart: {}, // Skip
+    restart: {
+        error: ["foo"]
+    },
     runtime: {
         init: [
             "js File('~/.pentadactyl/some-nonexistent/good.css').write('')",