Rewrite scoped_ptr<T>(NULL) to use the default ctor.

remoting/host/setup/daemon_controller_win.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 "remoting/host/setup/daemon_controller.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
@@ skipping 421 matching lines @@
   } else {
     // TODO(sergeyu): Report other errors to the webapp once it knows
     // how to handle them.
     return RESULT_FAILED;
   }
 }
 
 void DaemonControllerWin::DoGetConfig(const GetConfigCallback& callback) {
   DCHECK(worker_thread_.message_loop_proxy()->BelongsToCurrentThread());
 
-  scoped_ptr<base::DictionaryValue> dictionary_null(NULL);
+  scoped_ptr<base::DictionaryValue> dictionary_null;
 
   // Configure and start the Daemon Controller if it is installed already.
   HRESULT hr = ActivateController();
   if (FAILED(hr)) {
     callback.Run(dictionary_null.Pass());
     return;
   }
 
   // Get the host configuration.
   ScopedBstr host_config;
@@ skipping 206 matching lines @@
   done.Run(true, !!allowed, !!set_by_policy);
 }
 
 }  // namespace
 
 scoped_ptr<DaemonController> remoting::DaemonController::Create() {
   return scoped_ptr<DaemonController>(new DaemonControllerWin());
 }
 
 }  // namespace remoting