Deleted redundant SymmetricKey::GetRawKey().

chromeos/login/auth/key.cc

 // Copyright 2014 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 "chromeos/login/auth/key.h"
 
 #include <memory>
 
 #include "base/base64.h"
 #include "base/logging.h"
@@ skipping 76 matching lines @@
       // reversed.
       secret_ = base::ToLowerASCII(base::HexEncode(
           reinterpret_cast<const void*>(hash), sizeof(hash) / 2));
       break;
     }
     case KEY_TYPE_SALTED_PBKDF2_AES256_1234: {
       std::unique_ptr<crypto::SymmetricKey> key(
           crypto::SymmetricKey::DeriveKeyFromPassword(
               crypto::SymmetricKey::AES, secret_, salt, kNumIterations,
               kKeySizeInBits));
-      std::string raw_secret;
-      key->GetRawKey(&raw_secret);
-      base::Base64Encode(raw_secret, &secret_);
+      base::Base64Encode(key->key(), &secret_);
       break;
     }
     case KEY_TYPE_SALTED_SHA256:
       base::Base64Encode(crypto::SHA256HashString(salt + secret_), &secret_);
       break;
 
     default:
       // The resulting key will be sent to cryptohomed. It should always be
       // hashed. If hashing fails, crash instead of sending a plain-text key.
       CHECK(false);
       return;
   }
 
   key_type_ = target_key_type;
   salt_ = salt;
 }
 
 }  // namespace chromeos