Use std::move() instead of .Pass() in remoting/host

remoting/host/host_change_notification_listener_unittest.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 "remoting/host/host_change_notification_listener.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
@@ skipping 60 matching lines @@
     scoped_ptr<XmlElement> stanza(new XmlElement(buzz::QN_IQ));
     stanza->AddAttr(QName(std::string(), "type"), "set");
     XmlElement* host_changed =
         new XmlElement(QName(kChromotingXmlNamespace, "host-changed"));
     host_changed->AddAttr(QName(kChromotingXmlNamespace, "operation"),
                           operation);
     host_changed->AddAttr(QName(kChromotingXmlNamespace, "hostid"), hostId);
     stanza->AddElement(host_changed);
     stanza->AddAttr(buzz::QN_FROM, botJid);
     stanza->AddAttr(buzz::QN_TO, kTestJid);
-    return stanza.Pass();
+    return stanza;
   }
 
   MockListener mock_listener_;
   MockSignalStrategy signal_strategy_;
   std::set<SignalStrategy::Listener*> signal_strategy_listeners_;
   scoped_ptr<HostChangeNotificationListener> host_change_notification_listener_;
   base::MessageLoop message_loop_;
 };
 
 TEST_F(HostChangeNotificationListenerTest, ReceiveValidNotification) {
@@ skipping 52 matching lines @@
   scoped_ptr<XmlElement> stanza = GetNotificationStanza(
       "update", kHostId, kTestBotJid);
   host_change_notification_listener_->OnSignalStrategyIncomingStanza(
       stanza.get());
   message_loop_.PostTask(FROM_HERE,
                          base::Bind(base::MessageLoop::QuitWhenIdleClosure()));
   message_loop_.Run();
 }
 
 }  // namespace remoting