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// Copyright 2015 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_MEMORY_DISCARDABLE_MEMORY_ALLOCATOR_H_
#define BASE_MEMORY_DISCARDABLE_MEMORY_ALLOCATOR_H_
#include "base/base_export.h"
#include "base/memory/scoped_ptr.h"
namespace base {
class DiscardableMemory;
class BASE_EXPORT DiscardableMemoryAllocator {
public:
// Returns the allocator instance.
static DiscardableMemoryAllocator* GetInstance();
// Sets the allocator instance. Can only be called once, e.g. on startup.
// Ownership of |instance| remains with the caller.
static void SetInstance(DiscardableMemoryAllocator* allocator);
virtual scoped_ptr<DiscardableMemory> AllocateLockedDiscardableMemory(
size_t size) = 0;
protected:
virtual ~DiscardableMemoryAllocator() {}
};
} // namespace base
#endif // BASE_MEMORY_DISCARDABLE_MEMORY_ALLOCATOR_H_
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