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

chrome/browser/local_discovery/service_discovery_client_mdns.cc

Index: chrome/browser/local_discovery/service_discovery_client_mdns.cc
diff --git a/chrome/browser/local_discovery/service_discovery_client_mdns.cc b/chrome/browser/local_discovery/service_discovery_client_mdns.cc
index 7810bf29bd072ed931bcf8840075313466cdca5d..0817e0907dac02cac4ad632f62a5ee1d71ca2888 100644
--- a/chrome/browser/local_discovery/service_discovery_client_mdns.cc
+++ b/chrome/browser/local_discovery/service_discovery_client_mdns.cc
@@ -13,6 +13,7 @@
 #include "base/thread_task_runner_handle.h"
 #include "chrome/common/local_discovery/service_discovery_client_impl.h"
 #include "content/public/browser/browser_thread.h"
+#include "net/base/ip_address.h"
 #include "net/dns/mdns_client.h"
 #include "net/udp/datagram_server_socket.h"
 
@@ -305,8 +306,8 @@ class LocalDomainResolverProxy : public ProxyBase<LocalDomainResolver> {
   static void OnCallback(const WeakPtr& proxy,
                          const LocalDomainResolver::IPAddressCallback& callback,
                          bool a1,
-                         const net::IPAddressNumber& a2,
-                         const net::IPAddressNumber& a3) {
+                         const net::IPAddress& a2,
+                         const net::IPAddress& a3) {
     DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI));
     PostToUIThread(base::Bind(&Base::RunCallback, proxy,
                               base::Bind(callback, a1, a2, a3)));