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

content/browser/appcache/chrome_appcache_service.h

Index: content/browser/appcache/chrome_appcache_service.h
diff --git a/content/browser/appcache/chrome_appcache_service.h b/content/browser/appcache/chrome_appcache_service.h
index 6fb7785cf12557898096ac9d80429b5cce4631ba..271cb639e33bdddd3eb7e74c256fcec6e227f80c 100644
--- a/content/browser/appcache/chrome_appcache_service.h
+++ b/content/browser/appcache/chrome_appcache_service.h
@@ -41,24 +41,27 @@ class CONTENT_EXPORT ChromeAppCacheService
       NON_EXPORTED_BASE(public appcache::AppCachePolicy) {
  public:
   explicit ChromeAppCacheService(quota::QuotaManagerProxy* proxy);
-  virtual ~ChromeAppCacheService();
 
   void InitializeOnIOThread(
       const FilePath& cache_path,  // may be empty to use in-memory structures
       content::ResourceContext* resource_context,
       scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy);
 
- private:
-  friend struct ChromeAppCacheServiceDeleter;
-
-  void DeleteOnCorrectThread() const;
-
   // AppCachePolicy overrides
   virtual bool CanLoadAppCache(const GURL& manifest_url,
                                const GURL& first_party) OVERRIDE;
   virtual bool CanCreateAppCache(const GURL& manifest_url,
                                  const GURL& first_party) OVERRIDE;
 
+ protected:
+  virtual ~ChromeAppCacheService();
+
+ private:
+  friend class base::DeleteHelper<ChromeAppCacheService>;
+  friend struct ChromeAppCacheServiceDeleter;
+
+  void DeleteOnCorrectThread() const;
+
   content::ResourceContext* resource_context_;
   FilePath cache_path_;