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

net/proxy/dhcp_proxy_script_adapter_fetcher_win.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_PROXY_DHCP_PROXY_SCRIPT_ADAPTER_FETCHER_WIN_H_
 #define NET_PROXY_DHCP_PROXY_SCRIPT_ADAPTER_FETCHER_WIN_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "base/sequence_checker.h"
 #include "base/strings/string16.h"
-#include "base/threading/non_thread_safe.h"
 #include "base/timer/timer.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
 #include "url/gurl.h"
 
 namespace base {
 class TaskRunner;
 }
 
 namespace net {
 
 class ProxyScriptFetcher;
 class URLRequestContext;
 
 // For a given adapter, this class takes care of first doing a DHCP lookup
 // to get the PAC URL, then if there is one, trying to fetch it.
 class NET_EXPORT_PRIVATE DhcpProxyScriptAdapterFetcher
-    : public base::SupportsWeakPtr<DhcpProxyScriptAdapterFetcher>,
-      NON_EXPORTED_BASE(public base::NonThreadSafe) {
+    : public base::SupportsWeakPtr<DhcpProxyScriptAdapterFetcher> {
  public:
   // |url_request_context| must outlive DhcpProxyScriptAdapterFetcher.
   // |task_runner| will be used to post tasks to a thread.
   DhcpProxyScriptAdapterFetcher(URLRequestContext* url_request_context,
                                 scoped_refptr<base::TaskRunner> task_runner);
   virtual ~DhcpProxyScriptAdapterFetcher();
 
   // Starts a fetch.  On completion (but not cancellation), |callback|
   // will be invoked with the network error indicating success or failure
   // of fetching a DHCP-configured PAC file on this adapter.
@@ skipping 131 matching lines @@
   CompletionCallback callback_;
 
   // Fetcher to retrieve PAC files once URL is known.
   std::unique_ptr<ProxyScriptFetcher> script_fetcher_;
 
   // Implements a timeout on the call to the Win32 DHCP API.
   base::OneShotTimer wait_timer_;
 
   URLRequestContext* const url_request_context_;
 
+  SEQUENCE_CHECKER(sequence_checker_);
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(DhcpProxyScriptAdapterFetcher);
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_DHCP_PROXY_SCRIPT_ADAPTER_FETCHER_WIN_H_