Implement support for QUIC proxies in ProxyServer

net/proxy/proxy_info.h

 // 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.
 
 #ifndef NET_PROXY_PROXY_INFO_H_
 #define NET_PROXY_PROXY_INFO_H_
 
 #include <string>
 
 #include "base/time/time.h"
@@ skipping 57 matching lines @@
     return proxy_server().is_https();
   }
 
   // Returns true if the first valid proxy server is an http proxy.
   bool is_http() const {
     if (is_empty())
       return false;
     return proxy_server().is_http();
   }
 
+  // Returns true if the first valid proxy server is a quic proxy.
+  bool is_quic() const {
+    if (is_empty())
+      return false;
+    return proxy_server().is_quic();
+  }
+
   // Returns true if the first valid proxy server is a socks server.
   bool is_socks() const {
     if (is_empty())
       return false;
     return proxy_server().is_socks();
   }
 
   // Returns true if this proxy info has no proxies left to try.
   bool is_empty() const {
     return proxy_list_.IsEmpty();
@@ skipping 72 matching lines @@
 
   // How long it took to resolve the proxy.  Times are both null if proxy was
   // determined synchronously without running a PAC.
   base::TimeTicks proxy_resolve_start_time_;
   base::TimeTicks proxy_resolve_end_time_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_INFO_H_