Migrate content/*/p2p/* code to net::IPAddress.

content/renderer/p2p/network_list_observer.h

 // Copyright 2013 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 CONTENT_RENDERER_P2P_NETWORK_LIST_OBSERVER_H_
 #define CONTENT_RENDERER_P2P_NETWORK_LIST_OBSERVER_H_
 
 #include <vector>
 
-#include "net/base/ip_address_number.h"
-
 namespace net {
+class IPAddress;
 struct NetworkInterface;
 typedef std::vector<NetworkInterface> NetworkInterfaceList;
 }  // namespace net
 
 namespace content {
 
 class NetworkListObserver {
  public:
   virtual ~NetworkListObserver() {}
 
   virtual void OnNetworkListChanged(
       const net::NetworkInterfaceList& list,
-      const net::IPAddressNumber& default_ipv4_local_address,
-      const net::IPAddressNumber& default_ipv6_local_address) = 0;
+      const net::IPAddress& default_ipv4_local_address,
+      const net::IPAddress& default_ipv6_local_address) = 0;
 
  protected:
   NetworkListObserver() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_P2P_NETWORK_LIST_OBSERVER_H_