RefCounted types should not have public destructors

content/public/common/resource_response.h

Index: content/public/common/resource_response.h
diff --git a/content/public/common/resource_response.h b/content/public/common/resource_response.h
index 9a8e3a8a85e3afba4b03bff4d706a5d78accbe01..6699d45493bee604af827ee19fb5a1fb1d052b29 100644
--- a/content/public/common/resource_response.h
+++ b/content/public/common/resource_response.h
@@ -39,13 +39,14 @@ struct SyncLoadResult : ResourceResponseHead {
 };
 
 // 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() {}
 };