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-rw-r--r--app/win/scoped_co_mem.h49
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diff --git a/app/win/scoped_co_mem.h b/app/win/scoped_co_mem.h
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--- a/app/win/scoped_co_mem.h
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-// Copyright (c) 2010 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 APP_WIN_SCOPED_CO_MEM_H_
-#define APP_WIN_SCOPED_CO_MEM_H_
-#pragma once
-
-#include <objbase.h>
-
-#include "base/basictypes.h"
-
-namespace app {
-namespace win {
-
-// Simple scoped memory releaser class for COM allocated memory.
-// Example:
-// app::win::ScopedCoMem<ITEMIDLIST> file_item;
-// SHGetSomeInfo(&file_item, ...);
-// ...
-// return; <-- memory released
-template<typename T>
-class ScopedCoMem {
- public:
- explicit ScopedCoMem() : mem_ptr_(NULL) {}
-
- ~ScopedCoMem() {
- if (mem_ptr_)
- CoTaskMemFree(mem_ptr_);
- }
-
- T** operator&() { // NOLINT
- return &mem_ptr_;
- }
-
- operator T*() {
- return mem_ptr_;
- }
-
- private:
- T* mem_ptr_;
-
- DISALLOW_COPY_AND_ASSIGN(ScopedCoMem);
-};
-
-} // namespace win
-} // namespace app
-
-#endif // APP_WIN_SCOPED_CO_MEM_H_