Route key_exchange_group over to DevTools.

content/public/common/resource_response_info.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 CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_INFO_H_
 #define CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_INFO_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 152 matching lines @@
   // values. Only present if the renderer process set report_raw_headers to
   // true.
   net::CertStatus cert_status;
 
   // Information about the SSL connection itself. See
   // ssl_connection_status_flags.h for values. The protocol version,
   // ciphersuite, and compression in use are encoded within. Only present if
   // the renderer process set report_raw_headers to true.
   int ssl_connection_status;
 
+  // The key exchange group used by the SSL connection or zero if unknown or not
+  // applicable. Only present if the renderer process set report_raw_headers to
+  // true.
+  uint16_t ssl_key_exchange_group;
+
   // List of Signed Certificate Timestamps (SCTs) and their corresponding
   // validation status. Only present if the renderer process set
   // report_raw_headers to true.
   net::SignedCertificateTimestampAndStatusList signed_certificate_timestamps;
 
   // In case this is a CORS response fetched by a ServiceWorker, this is the
   // set of headers that should be exposed.
   std::vector<std::string> cors_exposed_header_names;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_INFO_H_