Remove HTTP pipelining support.

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 <map>
 #include <set>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_log.h"
-#include "net/http/http_pipelined_host_pool.h"
 #include "net/http/http_stream_factory.h"
 #include "net/proxy/proxy_server.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/spdy/spdy_session_key.h"
 
 namespace net {
 
 class HttpNetworkSession;
-class HttpPipelinedHost;
 class SpdySession;
 
-class NET_EXPORT_PRIVATE HttpStreamFactoryImpl :
-    public HttpStreamFactory,
-    public HttpPipelinedHostPool::Delegate {
+class NET_EXPORT_PRIVATE HttpStreamFactoryImpl : public HttpStreamFactory {
  public:
   // RequestStream may only be called if |for_websockets| is false.
   // RequestWebSocketHandshakeStream may only be called if |for_websockets|
   // is true.
   HttpStreamFactoryImpl(HttpNetworkSession* session, bool for_websockets);
   virtual ~HttpStreamFactoryImpl();
 
   // HttpStreamFactory interface
   virtual HttpStreamRequest* RequestStream(
       const HttpRequestInfo& info,
@@ skipping 10 matching lines @@
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       WebSocketHandshakeStreamBase::CreateHelper* create_helper,
       const BoundNetLog& net_log) OVERRIDE;
 
   virtual void PreconnectStreams(int num_streams,
                                  const HttpRequestInfo& info,
                                  RequestPriority priority,
                                  const SSLConfig& server_ssl_config,
                                  const SSLConfig& proxy_ssl_config) OVERRIDE;
-  virtual base::Value* PipelineInfoToValue() const OVERRIDE;
   virtual const HostMappingRules* GetHostMappingRules() const OVERRIDE;
 
-  // HttpPipelinedHostPool::Delegate interface
-  virtual void OnHttpPipelinedHostHasAdditionalCapacity(
-      HttpPipelinedHost* host) OVERRIDE;
-
   size_t num_orphaned_jobs() const { return orphaned_job_set_.size(); }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(HttpStreamFactoryImplRequestTest, SetPriority);
 
   class NET_EXPORT_PRIVATE Request;
   class NET_EXPORT_PRIVATE Job;
 
   typedef std::set<Request*> RequestSet;
-  typedef std::vector<Request*> RequestVector;
   typedef std::map<SpdySessionKey, RequestSet> SpdySessionRequestMap;
-  typedef std::map<HttpPipelinedHost::Key,
-                   RequestVector> HttpPipeliningRequestMap;
 
   HttpStreamRequest* RequestStreamInternal(
       const HttpRequestInfo& info,
       RequestPriority priority,
       const SSLConfig& server_ssl_config,
       const SSLConfig& proxy_ssl_config,
       HttpStreamRequest::Delegate* delegate,
       WebSocketHandshakeStreamBase::CreateHelper* create_helper,
       const BoundNetLog& net_log);
 
@@ skipping 23 matching lines @@
 
   // Invoked when an orphaned Job finishes.
   void OnOrphanedJobComplete(const Job* job);
 
   // Invoked when the Job finishes preconnecting sockets.
   void OnPreconnectsComplete(const Job* job);
 
   // Called when the Preconnect completes. Used for testing.
   virtual void OnPreconnectsCompleteInternal() {}
 
-  void AbortPipelinedRequestsWithKey(const Job* job,
-                                     const HttpPipelinedHost::Key& key,
-                                     int status,
-                                     const SSLConfig& used_ssl_config);
-
   HttpNetworkSession* const session_;
 
   // All Requests are handed out to clients. By the time HttpStreamFactoryImpl
   // is destroyed, all Requests should be deleted (which should remove them from
   // |request_map_|. The Requests will delete the corresponding job.
   std::map<const Job*, Request*> request_map_;
 
   SpdySessionRequestMap spdy_session_request_map_;
-  HttpPipeliningRequestMap http_pipelining_request_map_;
-
-  HttpPipelinedHostPool http_pipelined_host_pool_;
 
   // These jobs correspond to jobs orphaned by Requests and now owned by
   // HttpStreamFactoryImpl. Since they are no longer tied to Requests, they will
   // not be canceled when Requests are canceled. Therefore, in
   // ~HttpStreamFactoryImpl, it is possible for some jobs to still exist in this
   // set. Leftover jobs will be deleted when the factory is destroyed.
   std::set<const Job*> orphaned_job_set_;
 
   // These jobs correspond to preconnect requests and have no associated Request
   // object. They're owned by HttpStreamFactoryImpl. Leftover jobs will be
   // deleted when the factory is destroyed.
   std::set<const Job*> preconnect_job_set_;
 
   const bool for_websockets_;
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactoryImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_