Clean up potentially leaky use of base::DeletePointer.

dbus/object_manager.h

 // 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.
 
 #ifndef DBUS_OBJECT_MANAGER_H_
 #define DBUS_OBJECT_MANAGER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 243 matching lines @@
   static DBusHandlerResult HandleMessageThunk(DBusConnection* connection,
                                               DBusMessage* raw_message,
                                               void* user_data);
   DBusHandlerResult HandleMessage(DBusConnection* connection,
                                   DBusMessage* raw_message);
 
   // Called when a PropertiesChanged signal is received from the sender.
   // This method notifies the relevant PropertySet that it should update its
   // properties based on the received signal. Called from HandleMessage.
   void NotifyPropertiesChanged(const dbus::ObjectPath object_path,
-                               Signal* signal);
+                               scoped_ptr<Signal> signal);
   void NotifyPropertiesChangedHelper(const dbus::ObjectPath object_path,
                                      Signal* signal);
 
   // Called by dbus:: in response to the GetManagedObjects() method call.
   void OnGetManagedObjects(Response* response);
 
   // Called by dbus:: when an InterfacesAdded signal is received and initially
   // connected.
   void InterfacesAddedReceived(Signal* signal);
   void InterfacesAddedConnected(const std::string& interface_name,
@@ skipping 77 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<ObjectManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectManager);
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_OBJECT_MANAGER_H_