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

net/base/ip_endpoint.cc

Index: net/base/ip_endpoint.cc
diff --git a/net/base/ip_endpoint.cc b/net/base/ip_endpoint.cc
index f7f7b1822336c7408ef40a2d53ee5f30c4902e9b..6fe710a626ebf4e7929e6e8b7e6e04eda29cbf57 100644
--- a/net/base/ip_endpoint.cc
+++ b/net/base/ip_endpoint.cc
@@ -14,6 +14,7 @@
 #elif defined(OS_POSIX)
 #include <netinet/in.h>
 #endif
+#include "net/base/ip_address.h"
 #include "net/base/net_util.h"
 
 namespace net {
@@ -32,6 +33,9 @@ IPEndPoint::IPEndPoint(const IPAddressNumber& address, uint16_t port)
     : address_(address), port_(port) {
 }
 
+IPEndPoint::IPEndPoint(const IPAddress& address, uint16_t port)
+    : address_(address.bytes()), port_(port) {}
+
 IPEndPoint::IPEndPoint(const IPEndPoint& endpoint) {
   address_ = endpoint.address_;
   port_ = endpoint.port_;