Add methods for setting socket buffers to the Socket

net/socket/socket.h

 // Copyright (c) 2006-2008 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_SOCKET_SOCKET_H_
 #define NET_SOCKET_SOCKET_H_
 
 #include "net/base/completion_callback.h"
 
 namespace net {
@@ skipping 19 matching lines @@
   // data may be written!  The number of bytes written is returned, or an error
   // is returned upon failure.  ERR_IO_PENDING is returned if the operation
   // could not be completed synchronously, in which case the result will be
   // passed to the callback when available. If the operation is not completed
   // immediately, the socket acquires a reference to the provided buffer until
   // the callback is invoked or the socket is destroyed.
   // Implementations of this method should not modify the contents of the actual
   // buffer that is written to the socket.
   virtual int Write(IOBuffer* buf, int buf_len,
                     CompletionCallback* callback) = 0;
+
+  // Set the receive buffer size (in bytes) for the socket.
+  // Note: changing this value can effect the TCP window size on some platforms.
+  // Returns true on success, or false on failure.
+  virtual bool SetReceiveBufferSize(int32 size) = 0;
+
+  // Set the send buffer size (in bytes) for the socket.
+  // Note: changing this value can effect the TCP window size on some platforms.
+  // Returns true on success, or false on failure.
+  virtual bool SetSendBufferSize(int32 size) = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SOCKET_H_