Remove HttpNetworkSession::enabled_protocols_.

net/http/http_server_properties.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/http/http_server_properties.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/stringprintf.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/ssl/ssl_config.h"
 
 namespace net {
 
 const char kAlternativeServiceHeader[] = "Alt-Svc";
 
 void HistogramAlternateProtocolUsage(AlternateProtocolUsage usage) {
   UMA_HISTOGRAM_ENUMERATION("Net.AlternateProtocolUsage", usage,
                             ALTERNATE_PROTOCOL_USAGE_MAX);
 }
 
 void HistogramBrokenAlternateProtocolLocation(
     BrokenAlternateProtocolLocation location){
   UMA_HISTOGRAM_ENUMERATION("Net.AlternateProtocolBrokenLocation", location,
                             BROKEN_ALTERNATE_PROTOCOL_LOCATION_MAX);
 }
 
 bool IsAlternateProtocolValid(AlternateProtocol protocol) {
-  return protocol >= ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION &&
-      protocol <= ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION;
+  switch (protocol) {
+    case NPN_HTTP_2:
+      return true;
+    case QUIC:
+      return true;
+    case UNINITIALIZED_ALTERNATE_PROTOCOL:
+      return false;
+  }
+  NOTREACHED();
+  return false;
 }
 
 const char* AlternateProtocolToString(AlternateProtocol protocol) {
   switch (protocol) {
     case QUIC:
       return "quic";
     case NPN_HTTP_2:
       return "h2";
     case UNINITIALIZED_ALTERNATE_PROTOCOL:
       return "Uninitialized";
@@ skipping 48 matching lines @@
       exploded.day_of_month, exploded.hour, exploded.minute, exploded.second);
 }
 
 // static
 void HttpServerProperties::ForceHTTP11(SSLConfig* ssl_config) {
   ssl_config->alpn_protos.clear();
   ssl_config->alpn_protos.push_back(kProtoHTTP11);
 }
 
 }  // namespace net