CRYPTO - Resolved comments from wtc. Used scoped_ptr<char[]> and

crypto/hkdf.h

 // Copyright (c) 2013 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_HKDF_H_
 #define CRYPTO_HKDF_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 17 matching lines @@
   // |info|: an (optional) label to distinguish different uses of HKDF. It is
   // optional context and application specific information (can be a zero-length
   // string).
   // |key_bytes_to_generate|: the number of bytes of key material to generate.
   // |iv_bytes_to_generate|: the number of bytes of IV to generate.
   HKDF(const base::StringPiece& secret,
        const base::StringPiece& salt,
        const base::StringPiece& info,
        size_t key_bytes_to_generate,
        size_t iv_bytes_to_generate);
-  virtual ~HKDF();
+  ~HKDF();
 
   base::StringPiece client_write_key() const {
     return client_write_key_;
   }
   base::StringPiece client_write_iv() const {
     return client_write_iv_;
   }
   base::StringPiece server_write_key() const {
     return server_write_key_;
   }
   base::StringPiece server_write_iv() const {
     return server_write_iv_;
   }
 
  private:
   std::vector<uint8> output_;
 
   base::StringPiece client_write_key_;
   base::StringPiece server_write_key_;
   base::StringPiece client_write_iv_;
   base::StringPiece server_write_iv_;
 };
 
 }  // namespace crypto
 
 #endif  // CRYPTO_HKDF_H_