RefCounted types should not have public destructors, chrome/browser/ part 1

chrome/browser/history/top_sites_extension_api.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 CHROME_BROWSER_HISTORY_TOP_SITES_EXTENSION_API_H_
 #define CHROME_BROWSER_HISTORY_TOP_SITES_EXTENSION_API_H_
 #pragma once
 
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/history/history_types.h"
 
 class GetTopSitesFunction : public AsyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("topSites.get")
+
   GetTopSitesFunction();
+
+ protected:
   virtual ~GetTopSitesFunction();
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("topSites.get")
 
  private:
   void OnMostVisitedURLsAvailable(
       const history::MostVisitedURLList& data);
 
   CancelableRequestConsumer topsites_consumer_;
 };
 
 #endif  // CHROME_BROWSER_HISTORY_TOP_SITES_EXTENSION_API_H_