|  | // Copyright 2014 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 BASE_TEST_OPAQUE_REF_COUNTED_H_ | 
|  | #define BASE_TEST_OPAQUE_REF_COUNTED_H_ | 
|  |  | 
|  | #include "base/memory/ref_counted.h" | 
|  |  | 
|  | namespace base { | 
|  |  | 
|  | // OpaqueRefCounted is a test class for scoped_refptr to ensure it still works | 
|  | // when the pointed-to type is opaque (i.e., incomplete). | 
|  | class OpaqueRefCounted; | 
|  |  | 
|  | // Test functions that return and accept scoped_refptr<OpaqueRefCounted> values. | 
|  | scoped_refptr<OpaqueRefCounted> MakeOpaqueRefCounted(); | 
|  | void TestOpaqueRefCounted(scoped_refptr<OpaqueRefCounted> p); | 
|  |  | 
|  | }  // namespace base | 
|  |  | 
|  | extern template class scoped_refptr<base::OpaqueRefCounted>; | 
|  |  | 
|  | #endif  // BASE_TEST_OPAQUE_REF_COUNTED_H_ |