We cannot use(Cookie) within Session.init()

This is dueue to Session being above Cookie in the
plugins stack, hence missing when the cookie data
gets populated.

With some re-working this can change, however
it is not very important at the time. We can
just use(Cookie) before Session.

examples/chat/app.js

@@ -9,6 +9,7 @@ configure(function(){
   use(MethodOverride)
   use(ContentLength)
   use(CommonLogger)
+  use(Cookie)
   use(Cache, { lifetime: fiveMinutes, reapInterval: oneMinute })
   use(Session, { lifetime: fiveMinutes, reapInterval: oneMinute })
   set('root', __dirname)

lib/express/plugins/session.js

@@ -5,8 +5,7 @@
  * Module dependencies.
  */
 
-var utils = require('express/utils'),
-    Cookie = require('express/plugins/cookie').Cookie
+var utils = require('express/utils')
 
 // --- Session
 
@@ -158,7 +157,6 @@ exports.Session = Plugin.extend({
      */
 
     init: function(options) {
-      use(Cookie)
       process.mixin(this, options)
       this.store = new (this.dataStore || exports.Store.Memory)(options)
       this.startReaper()