Added virtual destructor.

android_webview/browser/aw_login_delegate.h

 // Copyright (c) 2012 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 ANDROID_WEBVIEW_BROWSER_AW_LOGIN_DELEGATE_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_LOGIN_DELEGATE_H_
 
 #include "android_webview/browser/aw_http_auth_handler_base.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
   AwLoginDelegate(net::AuthChallengeInfo* auth_info,
                   net::URLRequest* request);
 
   virtual void Proceed(const string16& user, const string16& password);
   virtual void Cancel();
 
   // from ResourceDispatcherHostLoginDelegate
   virtual void OnRequestCancelled() OVERRIDE;
 
  private:
+  virtual ~AwLoginDelegate();
   void HandleHttpAuthRequestOnUIThread();
   void CancelOnIOThread();
   void ProceedOnIOThread(const string16& user, const string16& password);
 
   scoped_ptr<AwHttpAuthHandlerBase> aw_http_auth_handler_;
   scoped_refptr<net::AuthChallengeInfo> auth_info_;
   net::URLRequest* request_;
   int render_process_id_;
   int render_view_id_;
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_LOGIN_DELEGATE_H_