Add support for default local address in IpcNetworkManager

content/renderer/media/webrtc/peer_connection_dependency_factory.cc

 // Copyright 2014 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/media/webrtc/peer_connection_dependency_factory.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/location.h"
@@ skipping 170 matching lines @@
       if (media_permission) {
         // Start permission check earlier to reduce any impact to call set up
         // time. It's safe to use Unretained here since both destructor and
         // Initialize can only be called on the worker thread.
         task_runner_->PostTask(
             FROM_HERE, base::Bind(&FilteringNetworkManager::Initialize,
                                   base::Unretained(filtering_network_manager)));
       }
       network_manager.reset(filtering_network_manager);
     } else {
-      network_manager.reset(new EmptyNetworkManager());
+      network_manager.reset(new EmptyNetworkManager(network_manager_));
     }
 
     return new P2PPortAllocator(socket_dispatcher_, network_manager.Pass(),
                                 socket_factory_, config, origin_, task_runner_);
   }
 
  protected:
   ~P2PPortAllocatorFactory() override {}
 
  private:
@@ skipping 604 matching lines @@
 }
 
 void PeerConnectionDependencyFactory::EnsureWebRtcAudioDeviceImpl() {
   if (audio_device_.get())
     return;
 
   audio_device_ = new WebRtcAudioDeviceImpl();
 }
 
 }  // namespace content