Move crypto files out of base, to a top level directory.

crypto/scoped_nss_types.h

+// Copyright (c) 2011 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 CRYPTO_SCOPED_NSS_TYPES_H_
+#define CRYPTO_SCOPED_NSS_TYPES_H_
+#pragma once
+
+#include <nss.h>
+#include <pk11pub.h>
+
+#include "base/memory/scoped_ptr.h"
+
+namespace crypto {
+
+template <typename Type, void (*Destroyer)(Type*)>
+struct NSSDestroyer {
+  void operator()(Type* ptr) const {
+    if (ptr)
+      Destroyer(ptr);
+  }
+};
+
+template <typename Type, void (*Destroyer)(Type*, PRBool), PRBool freeit>
+struct NSSDestroyer1 {
+  void operator()(Type* ptr) const {
+    if (ptr)
+      Destroyer(ptr, freeit);
+  }
+};
+
+// Define some convenient scopers around NSS pointers.
+typedef scoped_ptr_malloc<
+    PK11Context, NSSDestroyer1<PK11Context,
+                               PK11_DestroyContext,
+                               PR_TRUE> > ScopedPK11Context;
+typedef scoped_ptr_malloc<
+    PK11SlotInfo, NSSDestroyer<PK11SlotInfo, PK11_FreeSlot> > ScopedPK11Slot;
+typedef scoped_ptr_malloc<
+    PK11SymKey, NSSDestroyer<PK11SymKey, PK11_FreeSymKey> > ScopedPK11SymKey;
+typedef scoped_ptr_malloc<
+    SECAlgorithmID, NSSDestroyer1<SECAlgorithmID,
+                                  SECOID_DestroyAlgorithmID,
+                                  PR_TRUE> > ScopedSECAlgorithmID;
+typedef scoped_ptr_malloc<
+    SECItem, NSSDestroyer1<SECItem,
+                           SECITEM_FreeItem,
+                           PR_TRUE> > ScopedSECItem;
+
+}  // namespace crypto
+
+#endif  // CRYPTO_SCOPED_NSS_TYPES_H_