Add support for default local address in IpcNetworkManager

content/renderer/p2p/empty_network_manager.cc

 // Copyright 2015 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/renderer/p2p/empty_network_manager.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/thread_task_runner_handle.h"
 #include "content/renderer/p2p/network_manager_uma.h"
 
 namespace content {
 
-EmptyNetworkManager::EmptyNetworkManager() : weak_ptr_factory_(this) {
+EmptyNetworkManager::EmptyNetworkManager(rtc::NetworkManager* network_manager)
+    : network_manager_(network_manager), weak_ptr_factory_(this) {
   thread_checker_.DetachFromThread();
   set_enumeration_permission(ENUMERATION_BLOCKED);
 }
 
 EmptyNetworkManager::~EmptyNetworkManager() {
   DCHECK(thread_checker_.CalledOnValidThread());
 }
 
 void EmptyNetworkManager::StartUpdating() {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   FireEvent();
   updating_started_ = true;
 }
 
 void EmptyNetworkManager::StopUpdating() {
   DCHECK(thread_checker_.CalledOnValidThread());
 }
 
 void EmptyNetworkManager::GetNetworks(NetworkList* networks) const {
   DCHECK(thread_checker_.CalledOnValidThread());
   networks->clear();
 }
 
+bool EmptyNetworkManager::GetDefaultLocalAddress(
+    int family,
+    rtc::IPAddress* ipaddress) const {
+  return network_manager_->GetDefaultLocalAddress(family, ipaddress);
+}
+
 void EmptyNetworkManager::FireEvent() {
   if (!updating_started_)
     ReportIPPermissionStatus(PERMISSION_NOT_REQUESTED);
 
   // Post a task to avoid reentrancy.
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&EmptyNetworkManager::SendNetworksChangedSignal,
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
 void EmptyNetworkManager::SendNetworksChangedSignal() {
   SignalNetworksChanged();
 }
 
 }  // namespace content