RefCounted types should not have public destructors, Linux fixes

dbus/mock_object_proxy.h

Index: dbus/mock_object_proxy.h
diff --git a/dbus/mock_object_proxy.h b/dbus/mock_object_proxy.h
index ff0dcff60b8260c0958691f3c1a55ce0219987da..13832328c566517eabf76a288f850b2361ad1249 100644
--- a/dbus/mock_object_proxy.h
+++ b/dbus/mock_object_proxy.h
@@ -20,7 +20,6 @@ class MockObjectProxy : public ObjectProxy {
   MockObjectProxy(Bus* bus,
                   const std::string& service_name,
                   const ObjectPath& object_path);
-  virtual ~MockObjectProxy();
 
   MOCK_METHOD2(CallMethodAndBlock, Response*(MethodCall* method_call,
                                              int timeout_ms));
@@ -37,6 +36,9 @@ class MockObjectProxy : public ObjectProxy {
                     SignalCallback signal_callback,
                     OnConnectedCallback on_connected_callback));
   MOCK_METHOD0(Detach, void());
+
+ protected:
+  virtual ~MockObjectProxy();
 };
 
 }  // namespace dbus