Convert crypto to std::unique_ptr

crypto/hmac_nss.cc

 // 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.
 
 #include "crypto/hmac.h"
 
 #include <nss.h>
 #include <pk11pub.h>
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "crypto/nss_util.h"
 #include "crypto/scoped_nss_types.h"
 
 namespace crypto {
 
 struct HMACPlatformData {
   CK_MECHANISM_TYPE mechanism_;
   ScopedPK11Slot slot_;
   ScopedPK11SymKey sym_key_;
 };
@@ skipping 86 matching lines @@
   if (PK11_DigestFinal(context.get(),
                        digest, &len, digest_length) != SECSuccess) {
     NOTREACHED();
     return false;
   }
 
   return true;
 }
 
 }  // namespace crypto