Revert of Migrate Local Discovery from net::IPAddressNumber to net::IPAddress.

chrome/browser/local_discovery/endpoint_resolver.h

 // 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.
 
 #ifndef CHROME_BROWSER_LOCAL_DISCOVERY_ENDPOINT_RESOLVER_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_ENDPOINT_RESOLVER_H_
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/local_discovery/service_discovery_client.h"
 
 namespace net {
 class HostPortPair;
-class IPAddress;
 class IPEndPoint;
 }
 
 namespace local_discovery {
 
 class ServiceDiscoverySharedClient;
 
 class EndpointResolver {
  public:
   using ResultCallback = base::Callback<void(const net::IPEndPoint& endpoint)>;
 
   EndpointResolver();
   ~EndpointResolver();
 
   void Start(const std::string& service_name, const ResultCallback& callback);
 
   void Start(const net::HostPortPair& address, const ResultCallback& callback);
 
  private:
   void ServiceResolveComplete(const ResultCallback& callback,
                               ServiceResolver::RequestStatus result,
                               const ServiceDescription& description);
 
   void DomainResolveComplete(uint16_t port,
                              const ResultCallback& callback,
                              bool success,
-                             const net::IPAddress& address_ipv4,
-                             const net::IPAddress& address_ipv6);
+                             const net::IPAddressNumber& address_ipv4,
+                             const net::IPAddressNumber& address_ipv6);
 
  private:
   scoped_refptr<ServiceDiscoverySharedClient> service_discovery_client_;
   scoped_ptr<ServiceResolver> service_resolver_;
   scoped_ptr<LocalDomainResolver> domain_resolver_;
 
   DISALLOW_COPY_AND_ASSIGN(EndpointResolver);
 };
 
 }  // namespace local_discovery
 
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_ENDPOINT_RESOLVER_H_