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

chrome/utility/local_discovery/service_discovery_message_handler.h

Index: chrome/utility/local_discovery/service_discovery_message_handler.h
diff --git a/chrome/utility/local_discovery/service_discovery_message_handler.h b/chrome/utility/local_discovery/service_discovery_message_handler.h
index b79681a8b794b817abace9e4371eb689f295b286..7a762c8ed50252229f5b42c0328a2e06376e93fa 100644
--- a/chrome/utility/local_discovery/service_discovery_message_handler.h
+++ b/chrome/utility/local_discovery/service_discovery_message_handler.h
@@ -15,6 +15,7 @@
 struct LocalDiscoveryMsg_SocketInfo;
 
 namespace net {
+class IPAddress;
 class MDnsClient;
 }
 
@@ -95,8 +96,8 @@ class ServiceDiscoveryMessageHandler : public UtilityMessageHandler {
   // Is called by LocalDomainResolver as callback.
   void OnLocalDomainResolved(uint64 id,
                              bool success,
-                             const net::IPAddressNumber& address_ipv4,
-                             const net::IPAddressNumber& address_ipv6);
+                             const net::IPAddress& address_ipv4,
+                             const net::IPAddress& address_ipv6);
 
   void Send(IPC::Message* msg);