base::Bind: Convert Socket::Read.

net/curvecp/curvecp_client_socket.cc

Index: net/curvecp/curvecp_client_socket.cc
diff --git a/net/curvecp/curvecp_client_socket.cc b/net/curvecp/curvecp_client_socket.cc
index 80740161f681680520d493844f46f99b0bc4931b..6772e38a95eec57a1e92051d452245725a93f7f7 100644
--- a/net/curvecp/curvecp_client_socket.cc
+++ b/net/curvecp/curvecp_client_socket.cc
@@ -105,6 +105,11 @@ int CurveCPClientSocket::Read(IOBuffer* buf,
                               OldCompletionCallback* callback) {
   return messenger_.Read(buf, buf_len, callback);
 }
+int CurveCPClientSocket::Read(IOBuffer* buf,
+                              int buf_len,
+                              const CompletionCallback& callback) {
+  return messenger_.Read(buf, buf_len, callback);
+}
 
 int CurveCPClientSocket::Write(IOBuffer* buf,
                                int buf_len,