Server push cancellation: change the ownership of ServerPushDelegate to HttpNetworkSession.

net/spdy/spdy_session_pool.cc

 // 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.
 
 #include "net/spdy/spdy_session_pool.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 40 matching lines @@
     : http_server_properties_(http_server_properties),
       transport_security_state_(transport_security_state),
       ssl_config_service_(ssl_config_service),
       resolver_(resolver),
       enable_sending_initial_data_(true),
       enable_ping_based_connection_checking_(
           enable_ping_based_connection_checking),
       session_max_recv_window_size_(session_max_recv_window_size),
       stream_max_recv_window_size_(stream_max_recv_window_size),
       time_func_(time_func),
+      push_delegate_(nullptr),
       proxy_delegate_(proxy_delegate) {
   NetworkChangeNotifier::AddIPAddressObserver(this);
   if (ssl_config_service_.get())
     ssl_config_service_->AddObserver(this);
   CertDatabase::GetInstance()->AddObserver(this);
 }
 
 SpdySessionPool::~SpdySessionPool() {
   CloseAllSessions();
 
@@ skipping 17 matching lines @@
   TRACE_EVENT0(kNetTracingCategory,
                "SpdySessionPool::CreateAvailableSessionFromSocket");
 
   UMA_HISTOGRAM_ENUMERATION(
       "Net.SpdySessionGet", IMPORTED_FROM_SOCKET, SPDY_SESSION_GET_MAX);
 
   std::unique_ptr<SpdySession> new_session(new SpdySession(
       key, http_server_properties_, transport_security_state_,
       enable_sending_initial_data_, enable_ping_based_connection_checking_,
       session_max_recv_window_size_, stream_max_recv_window_size_, time_func_,
-      proxy_delegate_, net_log.net_log()));
+      push_delegate_, proxy_delegate_, net_log.net_log()));
 
   new_session->InitializeWithSocket(std::move(connection), this, is_secure);
 
   base::WeakPtr<SpdySession> available_session = new_session->GetWeakPtr();
   sessions_.insert(new_session.release());
   MapKeyToAvailableSession(key, available_session);
 
   net_log.AddEvent(
       NetLogEventType::HTTP2_SESSION_POOL_IMPORTED_SESSION_FROM_SOCKET,
       available_session->net_log().source().ToEventParametersCallback());
@@ skipping 334 matching lines @@
 
     if (idle_only && (*it)->is_active())
       continue;
 
     (*it)->CloseSessionOnError(error, description);
     DCHECK(!IsSessionAvailable(*it));
   }
 }
 
 }  // namespace net