Log GOAWAY frame debug data.

net/http/http_log_util.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_HTTP_HTTP_LOG_UTIL_
 #define NET_HTTP_HTTP_LOG_UTIL_
 
 #include <string>
 
+#include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 #include "net/log/net_log.h"
 
 namespace net {
 
 // Given an HTTP header |header| with value |value|, returns the elided version
 // of the header value at |log_level|.
 NET_EXPORT_PRIVATE std::string ElideHeaderValueForNetLog(
     NetLogCaptureMode capture_mode,
     const std::string& header,
     const std::string& value);
 
+// Given an HTTP/2 GOAWAY frame |debug_data|, returns the elided version
+// according to |capture_mode|.
+NET_EXPORT_PRIVATE std::string ElideGoAwayDebugDataForNetLog(
+    NetLogCaptureMode capture_mode,
+    base::StringPiece debug_data);
+
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_LOG_UTIL_