Cleanup: Remove unneeded forward declarations from chrome/browser/ui/webui.

chrome/browser/ui/webui/ntp/ntp_login_handler.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_NTP_LOGIN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_NTP_LOGIN_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/prefs/pref_member.h"
 #include "content/browser/webui/web_ui.h"
 #include "content/public/browser/notification_observer.h"
 
 class Profile;
-class Browser;
 
 // The NTP login handler currently simply displays the current logged in
 // username at the top of the NTP (and update itself when that changes).
 // In the future it may expand to allow users to login from the NTP.
 class NTPLoginHandler : public WebUIMessageHandler,
                         public content::NotificationObserver {
  public:
   NTPLoginHandler();
   virtual ~NTPLoginHandler();
 
@@ skipping 43 matching lines @@
   // list of arguments passed from JS and should be an empty list.
   void HandleShowAdvancedLoginUI(const ListValue* args);
 
   // Internal helper method
   void UpdateLogin();
 
   StringPrefMember username_pref_;
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_NTP_LOGIN_HANDLER_H_