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

remoting/host/fake_host_extension.cc

 // Copyright 2014 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/fake_host_extension.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 75 matching lines @@
 
 std::string FakeExtension::capability() const {
   return capability_;
 }
 
 scoped_ptr<HostExtensionSession> FakeExtension::CreateExtensionSession(
     ClientSessionControl* client_session_control,
     protocol::ClientStub* client_stub) {
   DCHECK(!was_instantiated());
   was_instantiated_ = true;
-  scoped_ptr<HostExtensionSession> session(new Session(this, message_type_));
-  return session.Pass();
+  return make_scoped_ptr(new Session(this, message_type_));
 }
 
 } // namespace remoting