Convert crypto to std::unique_ptr

crypto/signature_verifier_openssl.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/signature_verifier.h"
 
 #include <openssl/bytestring.h>
 #include <openssl/digest.h>
 #include <openssl/evp.h>
 #include <stdint.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "crypto/openssl_util.h"
 #include "crypto/scoped_openssl_types.h"
 
 namespace crypto {
 
 namespace {
 
 const EVP_MD* ToOpenSSLDigest(SignatureVerifier::HashAlgorithm hash_alg) {
   switch (hash_alg) {
     case SignatureVerifier::SHA1:
@@ skipping 125 matching lines @@
   return rv == 1;
 }
 
 void SignatureVerifier::Reset() {
   delete verify_context_;
   verify_context_ = NULL;
   signature_.clear();
 }
 
 }  // namespace crypto