Split out spdy_log_util from http_log_util.

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_H_
 #define NET_HTTP_HTTP_LOG_UTIL_H_
 
 #include <string>
 
-#include "base/strings/string_piece.h"
 #include "net/base/net_export.h"
-#include "net/spdy/spdy_header_block.h"
-
-namespace base {
-class ListValue;
-}  // namespace base
+#include "net/log/net_log_capture_mode.h"
 
 namespace net {
 
-class NetLogCaptureMode;
-
 // 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);
-
-// Given a SpdyHeaderBlock, return its base::ListValue representation.
-std::unique_ptr<base::ListValue> ElideSpdyHeaderBlockForNetLog(
-    const SpdyHeaderBlock& headers,
-    NetLogCaptureMode capture_mode);
-
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_LOG_UTIL_H_