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-rw-r--r--chromium/base/memory/discardable_memory_malloc.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/chromium/base/memory/discardable_memory_malloc.h b/chromium/base/memory/discardable_memory_malloc.h
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+++ b/chromium/base/memory/discardable_memory_malloc.h
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+// 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_MEMORY_DISCARDABLE_MEMORY_MALLOC_H_
+#define BASE_MEMORY_DISCARDABLE_MEMORY_MALLOC_H_
+
+#include "base/memory/discardable_memory.h"
+
+namespace base {
+namespace internal {
+
+class DiscardableMemoryMalloc : public DiscardableMemory {
+ public:
+ explicit DiscardableMemoryMalloc(size_t size);
+ virtual ~DiscardableMemoryMalloc();
+
+ bool Initialize();
+
+ // Overridden from DiscardableMemory:
+ virtual DiscardableMemoryLockStatus Lock() OVERRIDE;
+ virtual void Unlock() OVERRIDE;
+ virtual void* Memory() const OVERRIDE;
+
+ private:
+ scoped_ptr<uint8, FreeDeleter> memory_;
+ const size_t size_;
+
+ DISALLOW_COPY_AND_ASSIGN(DiscardableMemoryMalloc);
+};
+
+} // namespace internal
+} // namespace base
+
+#endif // BASE_MEMORY_DISCARDABLE_MEMORY_MALLOC_H_