Use struct AlternativeService in OnAltSvc() and OnSpdyAltSvc() methods.

net/spdy/spdy_protocol.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_protocol.h"
 
 namespace net {
 
 SpdyFrameWithNameValueBlockIR::SpdyFrameWithNameValueBlockIR(
     SpdyStreamId stream_id) : SpdyFrameWithFinIR(stream_id) {}
@@ skipping 824 matching lines @@
 
 void SpdyPushPromiseIR::Visit(SpdyFrameVisitor* visitor) const {
   return visitor->VisitPushPromise(*this);
 }
 
 void SpdyContinuationIR::Visit(SpdyFrameVisitor* visitor) const {
   return visitor->VisitContinuation(*this);
 }
 
 SpdyAltSvcIR::SpdyAltSvcIR(SpdyStreamId stream_id)
-    : SpdyFrameWithStreamIdIR(stream_id),
-      max_age_(0),
-      port_(0) {}
+    : SpdyFrameWithStreamIdIR(stream_id) {
+}
 
 void SpdyAltSvcIR::Visit(SpdyFrameVisitor* visitor) const {
   return visitor->VisitAltSvc(*this);
 }
 
 void SpdyPriorityIR::Visit(SpdyFrameVisitor* visitor) const {
   return visitor->VisitPriority(*this);
 }
 
 }  // namespace net