Remove AlternateProtocol::NPN_SPDY_3_1.

net/http/http_stream_factory_impl_job_controller.cc

 // Copyright (c) 2016 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/http/http_stream_factory_impl_job_controller.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
@@ skipping 900 matching lines @@
     // idea already, but with Alternate-Protocol, it provides the ability for a
     // single user on a multi-user system to hijack the alternate protocol.
     // These systems also enforce ports <1024 as restricted ports.  So don't
     // allow protocol upgrades to user-controllable ports.
     const int kUnrestrictedPort = 1024;
     if (!session_->params().enable_user_alternate_protocol_ports &&
         (alternative_service.port >= kUnrestrictedPort &&
          origin.port() < kUnrestrictedPort))
       continue;
 
-    if (alternative_service.protocol >= NPN_SPDY_MINIMUM_VERSION &&
-        alternative_service.protocol <= NPN_SPDY_MAXIMUM_VERSION) {
+    if (alternative_service.protocol == NPN_HTTP_2) {
       if (origin.host() != alternative_service.host &&
           !session_->params()
                .enable_http2_alternative_service_with_different_host) {
         continue;
       }
 
       // Cache this entry if we don't have a non-broken Alt-Svc yet.
       if (first_alternative_service.protocol ==
           UNINITIALIZED_ALTERNATE_PROTOCOL)
         first_alternative_service = alternative_service;
@@ skipping 151 matching lines @@
 }
 
 void HttpStreamFactoryImpl::JobController::StartAlternativeProxyServerJob() {
   if (!alternative_job_ || !request_)
     return;
   DCHECK(alternative_job_->alternative_proxy_server().is_valid());
   alternative_job_->Start(request_->stream_type());
 }
 
 }  // namespace net