|  | // 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 NET_BASE_COMPLETION_CALLBACK_H__ | 
|  | #define NET_BASE_COMPLETION_CALLBACK_H__ | 
|  |  | 
|  | #include "base/callback.h" | 
|  | #include "base/cancelable_callback.h" | 
|  |  | 
|  | namespace net { | 
|  |  | 
|  | // A callback specialization that takes a single int parameter. Usually this is | 
|  | // used to report a byte count or network error code. | 
|  | typedef base::Callback<void(int)> CompletionCallback; | 
|  |  | 
|  | // 64bit version of callback specialization that takes a single int64 parameter. | 
|  | // Usually this is used to report a file offset, size or network error code. | 
|  | typedef base::Callback<void(int64)> Int64CompletionCallback; | 
|  |  | 
|  | typedef base::CancelableCallback<void(int)> CancelableCompletionCallback; | 
|  |  | 
|  | }  // namespace net | 
|  |  | 
|  | #endif  // NET_BASE_COMPLETION_CALLBACK_H__ |