RefCounted types should not have public destructors, webkit/ edition

webkit/glue/websocketstreamhandle_delegate.h

 // Copyright (c) 2009 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 WEBKIT_GLUE_WEBSOCKETSTREAMHANDLE_DELEGATE_H_
 #define WEBKIT_GLUE_WEBSOCKETSTREAMHANDLE_DELEGATE_H_
 
 class GURL;
 
 namespace WebKit {
 class WebSocketStreamHandle;
 }
 
 namespace webkit_glue {
 
 class WebSocketStreamHandleDelegate {
  public:
   WebSocketStreamHandleDelegate() {}
-  virtual ~WebSocketStreamHandleDelegate() {}
 
   virtual void WillOpenStream(WebKit::WebSocketStreamHandle* handle,
                               const GURL& url) {}
   virtual void WillSendData(WebKit::WebSocketStreamHandle* handle,
                             const char* data, int len) {}
 
   virtual void DidOpenStream(WebKit::WebSocketStreamHandle* handle,
                              int max_amount_send_allowed) {}
   virtual void DidSendData(WebKit::WebSocketStreamHandle* handle,
                            int amount_sent) {}
   virtual void DidReceiveData(WebKit::WebSocketStreamHandle* handle,
                               const char* data, int len) {}
   virtual void DidClose(WebKit::WebSocketStreamHandle*) {}
+
+ protected:
+  virtual ~WebSocketStreamHandleDelegate() {}
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_WEBSOCKETSTREAMHANDLE_DELEGATE_H_