Replace deprecated base::NonThreadSafe in jingle in favor of SequenceChecker.

jingle/notifier/base/weak_xmpp_client.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 "jingle/notifier/base/weak_xmpp_client.h"
 
 #include "base/compiler_specific.h"
 
 namespace notifier {
 
 WeakXmppClient::WeakXmppClient(rtc::TaskParent* parent)
     : buzz::XmppClient(parent),
       weak_ptr_factory_(this) {}
 
 WeakXmppClient::~WeakXmppClient() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   Invalidate();
 }
 
 void WeakXmppClient::Invalidate() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   // We don't want XmppClient raising any signals once its invalidated.
   SignalStateChange.disconnect_all();
   SignalLogInput.disconnect_all();
   SignalLogOutput.disconnect_all();
   weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 base::WeakPtr<WeakXmppClient> WeakXmppClient::AsWeakPtr() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 void WeakXmppClient::Stop() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   // We don't want XmppClient used after it has been stopped.
   Invalidate();
   buzz::XmppClient::Stop();
 }
 
 }  // namespace notifier