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

net/url_request/url_request.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_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/debug/leak_tracker.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/optional.h"
 #include "base/strings/string16.h"
 #include "base/supports_user_data.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "net/base/auth.h"
 #include "net/base/completion_callback.h"
 #include "net/base/load_states.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/net_error_details.h"
 #include "net/base/net_export.h"
 #include "net/base/network_delegate.h"
 #include "net/base/request_priority.h"
 #include "net/base/upload_progress.h"
@@ skipping 31 matching lines @@
 // A class  representing the asynchronous load of a data stream from an URL.
 //
 // The lifetime of an instance of this class is completely controlled by the
 // consumer, and the instance is not required to live on the heap or be
 // allocated in any special way.  It is also valid to delete an URLRequest
 // object during the handling of a callback to its delegate.  Of course, once
 // the URLRequest is deleted, no further callbacks to its delegate will occur.
 //
 // NOTE: All usage of all instances of this class should be on the same thread.
 //
-class NET_EXPORT URLRequest : NON_EXPORTED_BASE(public base::NonThreadSafe),
-                              public base::SupportsUserData {
+class NET_EXPORT URLRequest : public base::SupportsUserData {
  public:
   // Callback function implemented by protocol handlers to create new jobs.
   // The factory may return NULL to indicate an error, which will cause other
   // factories to be queried.  If no factory handles the request, then the
   // default job will be used.
   typedef URLRequestJob* (ProtocolFactory)(URLRequest* request,
                                            NetworkDelegate* network_delegate,
                                            const std::string& scheme);
 
   // A ReferrerPolicy for the request can be set with
@@ skipping 771 matching lines @@
   LoadTimingInfo load_timing_info_;
 
   // The proxy server used for this request, if any.
   ProxyServer proxy_server_;
 
   // The raw header size of the response.
   int raw_header_size_;
 
   const NetworkTrafficAnnotationTag traffic_annotation_;
 
+  THREAD_CHECKER(thread_checker_);
+
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_