RefCounted types should not have public destructors, net/

net/http/http_pipelined_connection_impl.cc

Index: net/http/http_pipelined_connection_impl.cc
diff --git a/net/http/http_pipelined_connection_impl.cc b/net/http/http_pipelined_connection_impl.cc
index 8e87a89aa62277394bc52f55cee98195f5c9df96..3434b82fe9d49dc53d698c699bcbd72855f1e731 100644
--- a/net/http/http_pipelined_connection_impl.cc
+++ b/net/http/http_pipelined_connection_impl.cc
@@ -39,6 +39,8 @@ class ReceivedHeadersParameters : public NetLog::EventParameters {
   }
 
  private:
+  virtual ~ReceivedHeadersParameters() {}
+
   const NetLog::Source source_;
   const std::string feedback_;
 };
@@ -56,6 +58,8 @@ class StreamClosedParameters : public NetLog::EventParameters {
   }
 
  private:
+  virtual ~StreamClosedParameters() {}
+
   const NetLog::Source source_;
   const bool not_reusable_;
 };