Change IPEndpoint::address() to return a net::IPAddress

net/quic/quic_end_to_end_unittest.cc

Index: net/quic/quic_end_to_end_unittest.cc
diff --git a/net/quic/quic_end_to_end_unittest.cc b/net/quic/quic_end_to_end_unittest.cc
index a37895bcef1ebee60f9fd05dac777946fee0c2b8..b5a2f05987e093a33dd188ef8a592ce10a203a1e 100644
--- a/net/quic/quic_end_to_end_unittest.cc
+++ b/net/quic/quic_end_to_end_unittest.cc
@@ -163,7 +163,7 @@ class QuicEndToEndTest : public PlatformTest {
                                           strike_register_no_startup_period_));
     server_thread_->Initialize();
     server_address_ =
-        IPEndPoint(server_address_.address(), server_thread_->GetPort());
+        IPEndPoint(server_address_.address_number(), server_thread_->GetPort());
     server_thread_->Start();
     server_started_ = true;
   }