Update from chromium https://crrev.com/302282

net/http/http_proxy_client_socket_pool.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_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
 #define NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 132 matching lines @@
   // Connecting to HTTPS Proxy
   int DoSSLConnect();
   int DoSSLConnectComplete(int result);
 
   int DoHttpProxyConnect();
   int DoHttpProxyConnectComplete(int result);
 
   int DoSpdyProxyCreateStream();
   int DoSpdyProxyCreateStreamComplete(int result);
 
+  void NotifyProxyDelegateOfCompletion(int result);
+
   // Begins the tcp connection and the optional Http proxy tunnel.  If the
   // request is not immediately servicable (likely), the request will return
   // ERR_IO_PENDING. An OK return from this function or the callback means
   // that the connection is established; ERR_PROXY_AUTH_REQUESTED means
   // that the tunnel needs authentication credentials, the socket will be
   // returned in this case, and must be release back to the pool; or
   // a standard net error code will be returned.
   int ConnectInternal() override;
 
   scoped_refptr<HttpProxySocketParams> params_;
@@ skipping 120 matching lines @@
   TransportClientSocketPool* const transport_pool_;
   SSLClientSocketPool* const ssl_pool_;
   PoolBase base_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpProxyClientSocketPool);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_