RefCounted types should not have public destructors

content/public/common/resource_response.h

 // Copyright (c) 2011 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #ifndef CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_H_
 #define CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_H_
 #pragma once
 
@@ skipping 21 matching lines @@
 // Parameters for a synchronous resource response.
 struct SyncLoadResult : ResourceResponseHead {
   // The final URL after any redirects.
   GURL final_url;
 
   // The response data.
   std::string data;
 };
 
 // Simple wrapper that refcounts ResourceResponseHead.
+// Inherited, rather than typedef'd, to allow forward declarations.
 struct CONTENT_EXPORT ResourceResponse
-    : public NON_EXPORTED_BASE(ResourceResponseHead),
-      public base::RefCounted<ResourceResponse> {
+    : public base::RefCounted<ResourceResponse> {
+ public:
+  ResourceResponseHead head;
 
  private:
   friend class base::RefCounted<ResourceResponse>;
-
   ~ResourceResponse() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_RESOURCE_RESPONSE_H_