RefCounted types should not have public destructors, Linux fixes

dbus/mock_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_MOCK_OBJECT_PROXY_H_
 #define DBUS_MOCK_OBJECT_PROXY_H_
 #pragma once
 
 #include <string>
 
 #include "dbus/object_path.h"
 #include "dbus/object_proxy.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace dbus {
 
 // Mock for ObjectProxy.
 class MockObjectProxy : public ObjectProxy {
  public:
   MockObjectProxy(Bus* bus,
                   const std::string& service_name,
                   const ObjectPath& object_path);
-  virtual ~MockObjectProxy();
 
   MOCK_METHOD2(CallMethodAndBlock, Response*(MethodCall* method_call,
                                              int timeout_ms));
   MOCK_METHOD3(CallMethod, void(MethodCall* method_call,
                                 int timeout_ms,
                                 ResponseCallback callback));
   MOCK_METHOD4(CallMethodWithErrorCallback, void(MethodCall* method_call,
                                                  int timeout_ms,
                                                  ResponseCallback callback,
                                                  ErrorCallback error_callback));
   MOCK_METHOD4(ConnectToSignal,
                void(const std::string& interface_name,
                     const std::string& signal_name,
                     SignalCallback signal_callback,
                     OnConnectedCallback on_connected_callback));
   MOCK_METHOD0(Detach, void());
+
+ protected:
+  virtual ~MockObjectProxy();
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_MOCK_OBJECT_PROXY_H_