Revert of Remove reference counting from HttpNetworkSession.

google_apis/gcm/engine/connection_factory_impl.cc

 // Copyright (c) 2013 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 "google_apis/gcm/engine/connection_factory_impl.h"
 
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/thread_task_runner_handle.h"
 #include "google_apis/gcm/engine/connection_handler_impl.h"
 #include "google_apis/gcm/monitoring/gcm_stats_recorder.h"
 #include "google_apis/gcm/protocol/mcs.pb.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_request_headers.h"
-#include "net/log/net_log.h"
 #include "net/proxy/proxy_info.h"
 #include "net/socket/client_socket_handle.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/ssl/ssl_config_service.h"
 
 namespace gcm {
 
 namespace {
 
 // The amount of time a Socket read should wait before timing out.
@@ skipping 11 matching lines @@
   return !login_time.is_null() &&
       now_ticks - login_time <=
           base::TimeDelta::FromSeconds(kConnectionResetWindowSecs);
 }
 
 }  // namespace
 
 ConnectionFactoryImpl::ConnectionFactoryImpl(
     const std::vector<GURL>& mcs_endpoints,
     const net::BackoffEntry::Policy& backoff_policy,
-    net::HttpNetworkSession* gcm_network_session,
-    net::HttpNetworkSession* http_network_session,
+    const scoped_refptr<net::HttpNetworkSession>& gcm_network_session,
+    const scoped_refptr<net::HttpNetworkSession>& http_network_session,
     net::NetLog* net_log,
     GCMStatsRecorder* recorder)
   : mcs_endpoints_(mcs_endpoints),
     next_endpoint_(0),
     last_successful_endpoint_(0),
     backoff_policy_(backoff_policy),
     gcm_network_session_(gcm_network_session),
     http_network_session_(http_network_session),
     bound_net_log_(
         net::BoundNetLog::Make(net_log, net::NetLog::SOURCE_SOCKET)),
     pac_request_(NULL),
     connecting_(false),
     waiting_for_backoff_(false),
     waiting_for_network_online_(false),
     logging_in_(false),
     recorder_(recorder),
     listener_(NULL),
     weak_ptr_factory_(this) {
   DCHECK_GE(mcs_endpoints_.size(), 1U);
-  DCHECK(!http_network_session_ ||
-         (gcm_network_session_ != http_network_session_));
+  DCHECK(!http_network_session_.get() ||
+         (gcm_network_session_.get() != http_network_session_.get()));
 }
 
 ConnectionFactoryImpl::~ConnectionFactoryImpl() {
   CloseSocket();
   net::NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
   if (pac_request_) {
     gcm_network_session_->proxy_service()->CancelPacRequest(pac_request_);
     pac_request_ = NULL;
   }
 }
@@ skipping 367 matching lines @@
     OnConnectDone(status);
     return;
   }
 
   DVLOG(1) << "Resolved proxy with PAC:" << proxy_info_.ToPacString();
 
   net::SSLConfig ssl_config;
   gcm_network_session_->ssl_config_service()->GetSSLConfig(&ssl_config);
   status = net::InitSocketHandleForTlsConnect(
       net::HostPortPair::FromURL(GetCurrentEndpoint()),
-      gcm_network_session_,
+      gcm_network_session_.get(),
       proxy_info_,
       ssl_config,
       ssl_config,
       net::PRIVACY_MODE_DISABLED,
       bound_net_log_,
       &socket_handle_,
       base::Bind(&ConnectionFactoryImpl::OnConnectDone,
                  weak_ptr_factory_.GetWeakPtr()));
   if (status != net::ERR_IO_PENDING)
     OnConnectDone(status);
@@ skipping 80 matching lines @@
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&ConnectionFactoryImpl::OnProxyResolveDone,
                    weak_ptr_factory_.GetWeakPtr(), status));
     status = net::ERR_IO_PENDING;
   }
   return status;
 }
 
 void ConnectionFactoryImpl::ReportSuccessfulProxyConnection() {
-  if (gcm_network_session_ && gcm_network_session_->proxy_service())
+  if (gcm_network_session_.get() && gcm_network_session_->proxy_service())
     gcm_network_session_->proxy_service()->ReportSuccess(proxy_info_, NULL);
 }
 
 void ConnectionFactoryImpl::CloseSocket() {
   // The connection handler needs to be reset, else it'll attempt to keep using
   // the destroyed socket.
   if (connection_handler_)
     connection_handler_->Reset();
 
   if (socket_handle_.socket() && socket_handle_.socket()->IsConnected())
     socket_handle_.socket()->Disconnect();
   socket_handle_.Reset();
 }
 
 void ConnectionFactoryImpl::RebuildNetworkSessionAuthCache() {
-  if (!http_network_session_ || !http_network_session_->http_auth_cache())
+  if (!http_network_session_.get() || !http_network_session_->http_auth_cache())
     return;
 
   gcm_network_session_->http_auth_cache()->UpdateAllFrom(
       *http_network_session_->http_auth_cache());
 }
 
 }  // namespace gcm