Propagate the remote socket address to URLRequest and to ViewHostMsg_FrameNavigate.

net/url_request/url_request.h

 // Copyright (c) 2011 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_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 398 matching lines @@
   // is available.
   bool was_alternate_protocol_available() const {
     return response_info_.was_alternate_protocol_available;
   }
 
   // Returns true if the URLRequest was delivered through a proxy.
   bool was_fetched_via_proxy() const {
     return response_info_.was_fetched_via_proxy;
   }
 
+  // Returns the IP:port that the content was fetched from, or empty if
+  // this is not available.  See http_response_info.h for caveats relating
+  // to cached content.
+  std::string GetSocketAddress() const;
+
   // Get all response headers, as a HttpResponseHeaders object.  See comments
   // in HttpResponseHeaders class as to the format of the data.
   net::HttpResponseHeaders* response_headers() const;
 
   // Get the SSL connection info.
   const net::SSLInfo& ssl_info() const {
     return response_info_.ssl_info;
   }
 
   // Returns the cookie values included in the response, if the request is one
@@ skipping 224 matching lines @@
   net::RequestPriority priority_;
 
   base::debug::LeakTracker<URLRequest> leak_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_