base::Bind: Convert Socket::Write.

net/curvecp/messenger.h

Index: net/curvecp/messenger.h
diff --git a/net/curvecp/messenger.h b/net/curvecp/messenger.h
index bb67946a9bfc4fb4cab4dca934e273b45ec16f20..b71c684f819c9122b1d11a1ae077cfa1cbe2cebe 100644
--- a/net/curvecp/messenger.h
+++ b/net/curvecp/messenger.h
@@ -36,6 +36,7 @@ class Messenger : public base::NonThreadSafe,
   int Read(IOBuffer* buf, int buf_len, OldCompletionCallback* callback);
   int Read(IOBuffer* buf, int buf_len, const CompletionCallback& callback);
   int Write(IOBuffer* buf, int buf_len, OldCompletionCallback* callback);
+  int Write(IOBuffer* buf, int buf_len, const CompletionCallback& callback);
 
   // Packetizer::Listener implementation.
   virtual void OnConnection(ConnectionKey key) OVERRIDE;
@@ -71,7 +72,8 @@ class Messenger : public base::NonThreadSafe,
   // The send_buffer is a list of pending data to pack into messages and send
   // to the remote.
   CircularBuffer send_buffer_;
-  OldCompletionCallback* send_complete_callback_;
+  OldCompletionCallback* old_send_complete_callback_;
+  CompletionCallback send_complete_callback_;
   scoped_refptr<IOBuffer> pending_send_;
   int pending_send_length_;