New extension API: "tab.socketAddress"

chrome/browser/tab_contents/navigation_controller.cc

 // 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.
 
 #include "chrome/browser/tab_contents/navigation_controller.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/time.h"
@@ skipping 542 matching lines @@
         return false;
       break;
     case NavigationType::NAV_IGNORE:
       // There is nothing we can do with this navigation, so we just return to
       // the caller that nothing has happened.
       return false;
     default:
       NOTREACHED();
   }
 
+  // Capture the latest socket address for every page load.
+  GetActiveEntry()->set_socket_address(params.socket_address);
+
   // All committed entries should have nonempty content state so WebKit doesn't
   // get confused when we go back to them (see the function for details).
   SetContentStateIfEmpty(GetActiveEntry());
 
   // WebKit doesn't set the "auto" transition on meta refreshes properly (bug
   // 1051891) so we manually set it for redirects which we normally treat as
   // "non-user-gestures" where we want to update stuff after navigations.
   //
   // Note that the redirect check also checks for a pending entry to
   // differentiate real redirects from browser initiated navigations to a
@@ skipping 621 matching lines @@
   size_t insert_index = 0;
   for (int i = 0; i < max_index; i++) {
     // When cloning a tab, copy all entries except interstitial pages
     if (source.entries_[i].get()->page_type() != INTERSTITIAL_PAGE) {
       entries_.insert(entries_.begin() + insert_index++,
                       linked_ptr<NavigationEntry>(
                           new NavigationEntry(*source.entries_[i])));
     }
   }
 }