Reimplements net::AddressList without struct addrinfo.

content/browser/renderer_host/p2p/socket_dispatcher_host.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/p2p/socket_dispatcher_host.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "content/browser/renderer_host/p2p/socket_host.h"
 #include "content/public/browser/resource_context.h"
@@ skipping 54 matching lines @@
 
  private:
   void OnDone(int result) {
     if (result != net::OK) {
       LOG(ERROR) << "Failed to resolve address for " << host_name_
                  << ", errorcode: " << result;
       done_callback_.Run(net::IPAddressNumber());
       return;
     }
 
-    if (addresses_.head() == NULL) {
+    // TODO(szym): Redundant check. http://crbug.com/126211
+    if (addresses_.empty()) {
       LOG(ERROR) << "Received 0 addresses when trying to resolve address for "
                  << host_name_;
       done_callback_.Run(net::IPAddressNumber());
       return;
     }
 
-    net::IPEndPoint end_point;
-    if (!end_point.FromSockAddr(addresses_.head()->ai_addr,
-                                addresses_.head()->ai_addrlen)) {
-      LOG(ERROR) << "Received invalid address for " << host_name_;
-      done_callback_.Run(net::IPAddressNumber());
-      return;
-    }
-
-    done_callback_.Run(end_point.address());
+    done_callback_.Run(addresses_.front().address());
   }
 
   int32 routing_id_;
   int32 request_id_;
   net::AddressList addresses_;
 
   std::string host_name_;
   net::SingleRequestHostResolver resolver_;
 
   DoneCallback done_callback_;
@@ skipping 179 matching lines @@
     DnsRequest* request,
     const net::IPAddressNumber& result) {
   Send(new P2PMsg_GetHostAddressResult(
       request->routing_id(), request->request_id(), result));
 
   dns_requests_.erase(request);
   delete request;
 }
 
 }  // namespace content