Deprecate NonThreadSafe in net/ in favor of SequenceChecker/ThreadChecker.

net/http/http_network_session.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/http/http_network_session.h"
 
 #include <inttypes.h>
 
 #include <utility>
 
@@ skipping 219 matching lines @@
 
   http_server_properties_->SetMaxServerConfigsStoredInProperties(
       params.quic_max_server_configs_stored_in_properties);
 
   memory_pressure_listener_.reset(new base::MemoryPressureListener(base::Bind(
       &HttpNetworkSession::OnMemoryPressure, base::Unretained(this))));
   base::MemoryCoordinatorClientRegistry::GetInstance()->Register(this);
 }
 
 HttpNetworkSession::~HttpNetworkSession() {
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   response_drainers_.clear();
   spdy_session_pool_.CloseAllSessions();
   base::MemoryCoordinatorClientRegistry::GetInstance()->Unregister(this);
 }
 
 void HttpNetworkSession::AddResponseDrainer(
     std::unique_ptr<HttpResponseBodyDrainer> drainer) {
   DCHECK(!base::ContainsKey(response_drainers_, drainer.get()));
   HttpResponseBodyDrainer* drainer_ptr = drainer.get();
   response_drainers_[drainer_ptr] = std::move(drainer);
@@ skipping 219 matching lines @@
       CloseIdleConnections();
       break;
   }
 }
 
 void HttpNetworkSession::OnPurgeMemory() {
   CloseIdleConnections();
 }
 
 }  // namespace net