Send an HTTP 200 "OK" response to the connection identified by
|connection_id|. |content_type| is the response content type (e.g.
"text/html"), |data| is the response content, and |data_size| is the size
of |data| in bytes. The contents of |data| will be copied. The connection
will be closed automatically after the response is sent.
Send an HTTP 200 "OK" response to the connection identified by |connection_id|. |content_type| is the response content type (e.g. "text/html"), |data| is the response content, and |data_size| is the size of |data| in bytes. The contents of |data| will be copied. The connection will be closed automatically after the response is sent.