Log GOAWAY frame debug data.

net/http/http_log_util.h

Index: net/http/http_log_util.h
diff --git a/net/http/http_log_util.h b/net/http/http_log_util.h
index 775894332568d3d9b3c79540c9264d30cdd3afcc..5fda79ccf13570c583bb622ff51915c23679deab 100644
--- a/net/http/http_log_util.h
+++ b/net/http/http_log_util.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
 #include "net/log/net_log.h"
 
@@ -19,6 +20,12 @@ NET_EXPORT_PRIVATE std::string ElideHeaderValueForNetLog(
     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_