1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef SKIA_EXT_SK_DISCARDABLE_MEMORY_CHROME_H_
6#define SKIA_EXT_SK_DISCARDABLE_MEMORY_CHROME_H_
7
8#include "base/memory/discardable_memory.h"
9#include "base/memory/scoped_ptr.h"
10#include "third_party/skia/src/core/SkDiscardableMemory.h"
11
12// This class implements the SkDiscardableMemory interface using
13// base::DiscardableMemory.
14class SK_API SkDiscardableMemoryChrome : public SkDiscardableMemory {
15public:
16  virtual ~SkDiscardableMemoryChrome();
17
18  // SkDiscardableMemory:
19  virtual bool lock() OVERRIDE;
20  virtual void* data() OVERRIDE;
21  virtual void unlock() OVERRIDE;
22
23private:
24  friend class SkDiscardableMemory;
25
26  SkDiscardableMemoryChrome(scoped_ptr<base::DiscardableMemory> memory);
27
28  scoped_ptr<base::DiscardableMemory> discardable_;
29};
30
31#endif  // SKIA_EXT_SK_DISCARDABLE_MEMORY_CHROME_H_
32