Migrate net/socket/socket.h, net/socket/stream_socket.h to base::Bind().

net/curvecp/curvecp_server_socket.cc

Index: net/curvecp/curvecp_server_socket.cc
diff --git a/net/curvecp/curvecp_server_socket.cc b/net/curvecp/curvecp_server_socket.cc
index 6e7934c13cae39c287d45c72cda2ab80a290944b..d5d5b68bbfd81b48c87b88c1818daa7d720a4191 100644
--- a/net/curvecp/curvecp_server_socket.cc
+++ b/net/curvecp/curvecp_server_socket.cc
@@ -49,18 +49,13 @@ void CurveCPServerSocket::Close() {
 
 int CurveCPServerSocket::Read(IOBuffer* buf,
                               int buf_len,
-                              OldCompletionCallback* callback) {
-  return messenger_.Read(buf, buf_len, callback);
-}
-int CurveCPServerSocket::Read(IOBuffer* buf,
-                              int buf_len,
                               const CompletionCallback& callback) {
   return messenger_.Read(buf, buf_len, callback);
 }
 
 int CurveCPServerSocket::Write(IOBuffer* buf,
                                int buf_len,
-                               OldCompletionCallback* callback) {
+                               const CompletionCallback& callback) {
   return messenger_.Write(buf, buf_len, callback);
 }