Retry upon 421 status code without IP pooling.

net/http/http_stream_factory_impl.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_STREAM_FACTORY_IMPL_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 31 matching lines @@
   // is true.
   HttpStreamFactoryImpl(HttpNetworkSession* session, bool for_websockets);
   ~HttpStreamFactoryImpl() override;
 
   // HttpStreamFactory interface
   HttpStreamRequest* RequestStream(const HttpRequestInfo& info,
                                    RequestPriority priority,
                                    const SSLConfig& server_ssl_config,
                                    const SSLConfig& proxy_ssl_config,
                                    HttpStreamRequest::Delegate* delegate,
+                                   bool enable_ip_based_pooling,
                                    const NetLogWithSource& net_log) override;
 
   HttpStreamRequest* RequestWebSocketHandshakeStream(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       WebSocketHandshakeStreamBase::CreateHelper* create_helper,
+      bool enable_ip_based_pooling,
       const NetLogWithSource& net_log) override;
 
   HttpStreamRequest* RequestBidirectionalStreamImpl(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
+      bool enable_ip_based_pooling,
       const NetLogWithSource& net_log) override;
 
   void PreconnectStreams(int num_streams, const HttpRequestInfo& info) override;
   const HostMappingRules* GetHostMappingRules() const override;
   void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
                        const std::string& parent_absolute_name) const override;
 
   enum JobType {
     MAIN,
     ALTERNATIVE,
@@ skipping 36 matching lines @@
   };
 
   HttpStreamRequest* RequestStreamInternal(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       WebSocketHandshakeStreamBase::CreateHelper* create_helper,
       HttpStreamRequest::StreamType stream_type,
+      bool enable_ip_based_pooling,
       const NetLogWithSource& net_log);
 
   // Called when a SpdySession is ready. It will find appropriate Requests and
   // fulfill them. |direct| indicates whether or not |spdy_session| uses a
   // proxy.
   void OnNewSpdySessionReady(const base::WeakPtr<SpdySession>& spdy_session,
                              bool direct,
                              const SSLConfig& used_ssl_config,
                              const ProxyInfo& used_proxy_info,
                              bool was_alpn_negotiated,
@@ skipping 52 matching lines @@
   SpdySessionRequestMap spdy_session_request_map_;
 
   const bool for_websockets_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactoryImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_