Convert crypto to std::unique_ptr

crypto/signature_creator_openssl.cc

 // Copyright (c) 2012 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/signature_creator.h"
 
 #include <openssl/evp.h>
 #include <openssl/rsa.h>
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "crypto/openssl_util.h"
 #include "crypto/rsa_private_key.h"
 #include "crypto/scoped_openssl_types.h"
 
 namespace crypto {
 
 namespace {
 
 const EVP_MD* ToOpenSSLDigest(SignatureCreator::HashAlgorithm hash_alg) {
   switch (hash_alg) {
@@ skipping 14 matching lines @@
   }
   return NID_undef;
 }
 
 }  // namespace
 
 // static
 SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key,
                                            HashAlgorithm hash_alg) {
   OpenSSLErrStackTracer err_tracer(FROM_HERE);
-  scoped_ptr<SignatureCreator> result(new SignatureCreator);
+  std::unique_ptr<SignatureCreator> result(new SignatureCreator);
   const EVP_MD* const digest = ToOpenSSLDigest(hash_alg);
   DCHECK(digest);
   if (!digest) {
     return NULL;
   }
   if (!EVP_DigestSignInit(result->sign_context_, NULL, digest, NULL,
                           key->key())) {
     return NULL;
   }
   return result.release();
@@ skipping 47 matching lines @@
   // Sign it.
   if (!EVP_DigestSignFinal(sign_context_, signature->data(), &len)) {
     signature->clear();
     return false;
   }
   signature->resize(len);
   return true;
 }
 
 }  // namespace crypto