Remove HasAlternateProtocol().

net/quic/quic_stream_factory.cc

Index: net/quic/quic_stream_factory.cc
diff --git a/net/quic/quic_stream_factory.cc b/net/quic/quic_stream_factory.cc
index f957c18f6244c96ad192d3b4bcb154c6f7a837e8..f38ae01429471a6b4f094f5f66e27cdc478a5d9f 100644
--- a/net/quic/quic_stream_factory.cc
+++ b/net/quic/quic_stream_factory.cc
@@ -1249,7 +1249,9 @@ void QuicStreamFactory::ProcessGoingAwaySession(
   const HostPortPair& server = server_id.host_port_pair();
   // Don't try to change the alternate-protocol state, if the
   // alternate-protocol state is unknown.
-  if (!http_server_properties_->HasAlternateProtocol(server))
+  const AlternateProtocolInfo alternate =
+      http_server_properties_->GetAlternateProtocol(server);
+  if (alternate.protocol == UNINITIALIZED_ALTERNATE_PROTOCOL)
     return;
 
   // TODO(rch):  In the special case where the session has received no
@@ -1258,8 +1260,6 @@ void QuicStreamFactory::ProcessGoingAwaySession(
   // session connected until the handshake has been confirmed.
   HistogramBrokenAlternateProtocolLocation(
       BROKEN_ALTERNATE_PROTOCOL_LOCATION_QUIC_STREAM_FACTORY);
-  AlternateProtocolInfo alternate =
-      http_server_properties_->GetAlternateProtocol(server);
   DCHECK_EQ(QUIC, alternate.protocol);
 
   // Since the session was active, there's no longer an