Propagate the remote socket address to URLRequest and to ViewHostMsg_FrameNavigate.

chrome/common/render_messages_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 CHROME_COMMON_RENDER_MESSAGES_PARAMS_H_
 #define CHROME_COMMON_RENDER_MESSAGES_PARAMS_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 285 matching lines @@
   // (this can happen if the resource was insecure).
   bool is_content_filtered;
 
   // Whether the frame navigation resulted in no change to the documents within
   // the page. For example, the navigation may have just resulted in scrolling
   // to a named anchor.
   bool was_within_same_page;
 
   // The status code of the HTTP request.
   int http_status_code;
+
+  // Remote address of the socket which fetched this resource, for presenting
+  // to inquisitive users.  Can be "ipv4:port", "[ipv6]:port", or empty.

[pmarks, 2011/02/11 00:36:39]

In my original change, I used this wording to clarify that the value was for the
UI, and didn't actually affect the operation of the browser.  It sounds like
your use case makes this no longer true.

[Brian Ryner, 2011/02/11 23:01:07]

True.  I removed the "for presenting to inquisitive users" phrase.

+  std::string socket_address;
 };
 
 // Values that may be OR'd together to form the 'flags' parameter of a
 // ViewHostMsg_UpdateRect_Params structure.
 struct ViewHostMsg_UpdateRect_Flags {
   enum {
     IS_RESIZE_ACK = 1 << 0,
     IS_RESTORE_ACK = 1 << 1,
     IS_REPAINT_ACK = 1 << 2,
   };
@@ skipping 835 matching lines @@
 struct ParamTraits<ViewHostMsg_AccessibilityNotification_Params> {
   typedef ViewHostMsg_AccessibilityNotification_Params param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_PARAMS_H_