Add a QUIC proxy server to the list of QUIC servers supported at start up

net/base/test_proxy_delegate.h

 // Copyright 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.
 
 #ifndef NET_BASE_TEST_PROXY_DELEGATE_H_
 #define NET_BASE_TEST_PROXY_DELEGATE_H_
 
 #include <string>
 
 #include "net/base/host_port_pair.h"
@@ skipping 53 matching lines @@
       const HostPortPair& origin,
       const HostPortPair& proxy_server,
       const HttpResponseHeaders& response_headers) override;
   bool IsTrustedSpdyProxy(const net::ProxyServer& proxy_server) override;
   void GetAlternativeProxy(
       const GURL& url,
       const ProxyServer& resolved_proxy_server,
       ProxyServer* alternative_proxy_server) const override;
   void OnAlternativeProxyBroken(
       const ProxyServer& alternative_proxy_server) override;
+  ProxyServer GetDefaultAlternativeProxy() const override;
 
   void set_alternative_proxy_server(
       const ProxyServer& alternative_proxy_server) {
     alternative_proxy_server_ = alternative_proxy_server;
   }
   const ProxyServer& alternative_proxy_server() const {
     return alternative_proxy_server_;
   }
 
   int get_alternative_proxy_invocations() const {
@@ skipping 12 matching lines @@
   std::string on_tunnel_headers_received_status_line_;
   ProxyServer alternative_proxy_server_;
 
   // Number of times GetAlternativeProxy() method has been called.
   mutable int get_alternative_proxy_invocations_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_TEST_PROXY_DELEGATE_H_