base::Bind: Convert Socket::Read.

net/socket/socks5_client_socket.cc

Index: net/socket/socks5_client_socket.cc
diff --git a/net/socket/socks5_client_socket.cc b/net/socket/socks5_client_socket.cc
index fa81ed71b56365132162da8a52f0728bb294aaa7..dd0cc3a78be09f22e67f32754ed14af7d0453989 100644
--- a/net/socket/socks5_client_socket.cc
+++ b/net/socket/socks5_client_socket.cc
@@ -192,6 +192,14 @@ int SOCKS5ClientSocket::Read(IOBuffer* buf, int buf_len,
 
   return transport_->socket()->Read(buf, buf_len, callback);
 }
+int SOCKS5ClientSocket::Read(IOBuffer* buf, int buf_len,
+                             const CompletionCallback& callback) {
+  DCHECK(completed_handshake_);
+  DCHECK_EQ(STATE_NONE, next_state_);
+  DCHECK(!old_user_callback_ && user_callback_.is_null());
+
+  return transport_->socket()->Read(buf, buf_len, callback);
+}
 
 // Write is called by the transport layer. This can only be done if the
 // SOCKS handshake is complete.