RefCounted types should not have public destructors, webkit/ edition

webkit/plugins/ppapi/fullscreen_container.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 WEBKIT_PLUGINS_PPAPI_PPB_FULLSCREEN_CONTAINER_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FULLSCREEN_CONTAINER_IMPL_H_
 
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 
 class MouseLockDispatcher;
 
 namespace WebKit {
 struct WebCursorInfo;
 struct WebRect;
 }  // namespace WebKit
 
 namespace webkit {
 namespace ppapi {
 
 // This class is like a lightweight WebPluginContainer for fullscreen PPAPI
 // plugins, that only handles painting.
 class FullscreenContainer {
  public:
-  virtual ~FullscreenContainer() {}
-
   // Invalidates the full plugin region.
   virtual void Invalidate() = 0;
 
   // Invalidates a partial region of the plugin.
   virtual void InvalidateRect(const WebKit::WebRect&) = 0;
 
   // Scrolls a partial region of the plugin in the given direction.
   virtual void ScrollRect(int dx, int dy, const WebKit::WebRect&) = 0;
 
   // Destroys the fullscreen window. This also destroys the FullscreenContainer
   // instance.
   virtual void Destroy() = 0;
 
   // Notifies the container that the mouse cursor has changed.
   virtual void DidChangeCursor(const WebKit::WebCursorInfo& cursor) = 0;
 
   virtual PluginDelegate::PlatformContext3D* CreateContext3D() = 0;
 
   // The returned object is owned by FullscreenContainer.
   virtual MouseLockDispatcher* GetMouseLockDispatcher() = 0;
+
+ protected:
+  virtual ~FullscreenContainer() {}
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FULLSCREEN_CONTAINER_IMPL_H_