Remove task.h and finish base::Bind() migration.

net/curvecp/test_client.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 NET_CURVECP_TEST_CLIENT_H_
 #define NET_CURVECP_TEST_CLIENT_H_
 #pragma once
 
-#include "base/task.h"
 #include "net/base/completion_callback.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/io_buffer.h"
 #include "net/base/test_data_stream.h"
 
 namespace net {
 
 class CurveCPClientSocket;
 
 // The TestClient connects to a test server, sending a stream of verifiable
@@ skipping 38 matching lines @@
   int bytes_to_read_;
   int bytes_to_send_;
   TestDataStream sent_stream_;
   TestDataStream received_stream_;
   CompletionCallback finished_callback_;
 };
 
 }  // namespace net
 
 #endif  // NET_CURVECP_TEST_CLIENT_H_