Support retrieval of raw headers from network stack

net/http/http_net_log_params.h

 // Copyright (c) 2010 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_NET_LOG_PARAMS_H_
 #define NET_HTTP_HTTP_NET_LOG_PARAMS_H_
 #pragma once
 
 #include <string>
 
@@ skipping 23 matching lines @@
     while (iterator.GetNext()) {
       headers->Append(
           new StringValue(base::StringPrintf("%s: %s",
                                             iterator.name().c_str(),
                                             iterator.value().c_str())));
     }
     dict->Set("headers", headers);
     return dict;
   }
 
+  const HttpRequestHeaders& GetHeaders() const {
+    return headers_;
+  }
+
  private:
   ~NetLogHttpRequestParameter() {}
 
   const std::string line_;
   HttpRequestHeaders headers_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogHttpRequestParameter);
 };
 
 class NetLogHttpResponseParameter : public NetLog::EventParameters {
@@ skipping 11 matching lines @@
     std::string value;
     while (headers_->EnumerateHeaderLines(&iterator, &name, &value)) {
       headers->Append(
           new StringValue(base::StringPrintf("%s: %s", name.c_str(),
                                              value.c_str())));
     }
     dict->Set("headers", headers);
     return dict;
   }
 
+  const HttpResponseHeaders& GetHeaders() const {
+    return *headers_;
+  }
+
  private:
   ~NetLogHttpResponseParameter() {}
 
   const scoped_refptr<HttpResponseHeaders> headers_;
 
   DISALLOW_COPY_AND_ASSIGN(NetLogHttpResponseParameter);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NET_LOG_PARAMS_H_