Fix stupid :restart confirmation.

common/content/dactyl.js

@@ -1089,6 +1089,12 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
             node.collapsed = !visible;
     },
 
+    confirmQuit: function confirmQuit()
+        prefs.withContext(function () {
+            prefs.set("browser.warnOnQuit", false);
+            return !window.canQuitApplication();
+        }),
+
     /**
      * Quit the host application, no matter how many tabs/windows are open.
      *
@@ -1098,11 +1104,7 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
      *    windows could be closed individually.
      */
     quit: function (saveSession, force) {
-        if (!force &&
-            prefs.withContext(function () {
-                prefs.set("browser.warnOnQuit", false);
-                return !canQuitApplication();
-            }))
+        if (!force && !this.confirmQuit())
             return;
 
         let pref = "browser.startup.page";
@@ -1115,6 +1117,16 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
         services.appStartup.quit(Ci.nsIAppStartup[force ? "eForceQuit" : "eAttemptQuit"]);
     },
 
+    /**
+     * Restart the host application.
+     */
+    restart: function () {
+        if (!this.confirmQuit())
+            return;
+
+        services.appStartup.quit(Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart);
+    },
+
     /**
      * Returns an array of URLs parsed from *str*.
      *
@@ -1214,16 +1226,6 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
         util.reportError(error);
     },
 
-    /**
-     * Restart the host application.
-     */
-    restart: function () {
-        if (!canQuitApplication())
-            return;
-
-        services.appStartup.quit(Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart);
-    },
-
     /**
      * Parses a Dactyl command-line string i.e. the value of the
      * -dactyl command-line option.