Code cleaning: Uses scoped_ptr<> to express ownership rather than writing ownership in comments.

dbus/object_proxy.h

 // 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.
 
 #ifndef DBUS_OBJECT_PROXY_H_
 #define DBUS_OBJECT_PROXY_H_
 
 #include <dbus/dbus.h>
 
 #include <map>
@@ skipping 63 matching lines @@
   // Called when the object proxy is connected to the signal.
   // Parameters:
   // - the interface name.
   // - the signal name.
   // - whether it was successful or not.
   typedef base::Callback<void (const std::string&, const std::string&, bool)>
       OnConnectedCallback;
 
   // Calls the method of the remote object and blocks until the response
   // is returned. Returns NULL on error.
-  // The caller is responsible to delete the returned object.
   //
   // BLOCKING CALL.
-  virtual Response* CallMethodAndBlock(MethodCall* method_call,
-                                       int timeout_ms);
+  virtual scoped_ptr<Response> CallMethodAndBlock(MethodCall* method_call,
+                                                  int timeout_ms);
 
   // Requests to call the method of the remote object.
   //
   // |callback| will be called in the origin thread, once the method call
   // is complete. As it's called in the origin thread, |callback| can
   // safely reference objects in the origin thread (i.e. UI thread in most
   // cases). If the caller is not interested in the response from the
   // method (i.e. calling a method that does not return a value),
   // EmptyResponseCallback() can be passed to the |callback| parameter.
   //
@@ skipping 183 matching lines @@
 
   // Known name owner of the well-known bus name represnted by |service_name_|.
   std::string service_name_owner_;
 
   DISALLOW_COPY_AND_ASSIGN(ObjectProxy);
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_OBJECT_PROXY_H_