New extension API: "tab.socketAddress"

chrome/browser/tab_contents/navigation_entry.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_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_
 #define CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_
 #pragma once
 
 #include <string>
 
@@ skipping 352 matching lines @@
   //
   // The actual post data is stored in the content_state and is extracted by
   // WebKit to actually make the request.
   void set_has_post_data(bool has_post_data) {
     has_post_data_ = has_post_data;
   }
   bool has_post_data() const {
     return has_post_data_;
   }
 
+  // Remote address of the socket which fetched this resource, for presenting
+  // to inquisitive users.  Can be "ipv4:port", "[ipv6]:port", or empty.
+  void set_socket_address(const std::string& addr) {
+    socket_address_ = addr;
+  }
+  const std::string& socket_address() const {
+    return socket_address_;
+  }
+
   // Enumerations of the possible restore types.
   enum RestoreType {
     // The entry has been restored is from the last session.
     RESTORE_LAST_SESSION,
 
     // The entry has been restored from the current session. This is used when
     // the user issues 'reopen closed tab'.
     RESTORE_CURRENT_SESSION,
 
     // The entry was not restored.
@@ skipping 25 matching lines @@
   GURL virtual_url_;
   bool update_virtual_url_with_url_;
   string16 title_;
   FaviconStatus favicon_;
   std::string content_state_;
   int32 page_id_;
   SSLStatus ssl_;
   PageTransition::Type transition_type_;
   GURL user_typed_url_;
   bool has_post_data_;
+  std::string socket_address_;
   RestoreType restore_type_;
 
   // This is a cached version of the result of GetTitleForDisplay. It prevents
   // us from having to do URL formatting on the URL evey time the title is
   // displayed. When the URL, virtual URL, or title is set, this should be
   // cleared to force a refresh.
   string16 cached_display_title_;
 
   // Copy and assignment is explicitly allowed for this class.
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_