net: Cleanup class/struct forward declarations

net/test/embedded_test_server/http_connection.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 NET_TEST_EMBEDDED_TEST_SERVER_HTTP_CONNECTION_H_
 #define NET_TEST_EMBEDDED_TEST_SERVER_HTTP_CONNECTION_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string_piece.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/test/embedded_test_server/http_request.h"
 #include "net/test/embedded_test_server/http_response.h"
 
 namespace net {
 
 class StreamSocket;
 
 namespace test_server {
 
 class HttpConnection;
-class HttpResponse;
 
 // Calblack called when a request is parsed. Response should be sent
 // using HttpConnection::SendResponse() on the |connection| argument.
 typedef base::Callback<void(HttpConnection* connection,
                             std::unique_ptr<HttpRequest> request)>
     HandleRequestCallback;
 
 // Wraps the connection socket. Accepts incoming data and sends responses.
 // If a valid request is parsed, then |callback_| is invoked.
 class HttpConnection {
@@ skipping 31 matching lines @@
 
   base::WeakPtrFactory<HttpConnection> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpConnection);
 };
 
 }  // namespace test_server
 }  // namespace net
 
 #endif  // NET_TEST_EMBEDDED_TEST_SERVER_HTTP_CONNECTION_H_