Allow chrome to handle 407 auth challenges to CONNECT requests

net/http/proxy_client_socket.h

 // Copyright (c) 2011 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_HTTP_PROXY_CLIENT_SOCKET_H_
 #define NET_HTTP_PROXY_CLIENT_SOCKET_H_
 #pragma once
 
 #include "net/socket/stream_socket.h"
 
 namespace net {
 
+class HttpAuthController;
 class HttpStream;
 class HttpResponseInfo;
 
 class NET_EXPORT_PRIVATE ProxyClientSocket : public StreamSocket {
  public:
   ProxyClientSocket() {}
   virtual ~ProxyClientSocket() {}
 
   // Returns the HttpResponseInfo (including HTTP Headers) from
   // the response to the CONNECT request.
   virtual const HttpResponseInfo* GetConnectResponseInfo() const = 0;
 
   // Transfers ownership of a newly created HttpStream to the caller
   // which can be used to read the response body.
   virtual HttpStream* CreateConnectResponseStream() = 0;
 
+  // Returns the HttpAuthController which can be used
+  // to interact with an HTTP Proxy Authorization Required (407) request.
+  virtual const scoped_refptr<HttpAuthController>& auth_controller() = 0;
+
+  // If Connect (or its callback) returns PROXY_AUTH_REQUESTED, then
+  // credentials should be added to the HttpAuthController before calling
+  // RestartWithAuth.
+  virtual int RestartWithAuth(OldCompletionCallback* callback) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ProxyClientSocket);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_PROXY_CLIENT_SOCKET_H_