[refactor] Change ordering of wrapkey parameters

content/child/webcrypto/platform_crypto.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEBCRYPTO_PLATFORM_CRYPTO_H_
 #define CONTENT_CHILD_WEBCRYPTO_PLATFORM_CRYPTO_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 211 matching lines @@
                           std::vector<uint8>* modulus,
                           std::vector<uint8>* public_exponent);
 
 // Preconditions:
 //  * |key| is non-null.
 Status ExportKeyPkcs8(PrivateKey* key,
                       const blink::WebCryptoKeyAlgorithm& key_algorithm,
                       std::vector<uint8>* buffer);
 
 // Preconditions:
+//  * |key| is non-null
 //  * |wrapping_key| is non-null
-//  * |key| is non-null
-Status WrapSymKeyAesKw(SymKey* wrapping_key,
-                       SymKey* key,
+Status WrapSymKeyAesKw(SymKey* key,
+                       SymKey* wrapping_key,
                        std::vector<uint8>* buffer);
 
 // Unwraps (decrypts) |wrapped_key_data| using AES-KW and places the results in
 // a WebCryptoKey. Raw key data remains inside NSS. This function should be used
 // when the input |wrapped_key_data| is known to result in symmetric raw key
 // data after AES-KW decryption.
 // Preconditions:
 //  * |wrapping_key| is non-null
 //  * |key| is non-null
 //  * |wrapped_key_data| is at least 24 bytes and a multiple of 8 bytes
@@ skipping 10 matching lines @@
 // interpreted as generic bytes.
 // Preconditions:
 //  * |key| is non-null
 //  * |data| is at least 24 bytes and a multiple of 8 bytes
 //  * |buffer| is non-null.
 Status DecryptAesKw(SymKey* key,
                     const CryptoData& data,
                     std::vector<uint8>* buffer);
 
 // Preconditions:
+//  * |key| is non-null
 //  * |wrapping_key| is non-null
-//  * |key| is non-null
-Status WrapSymKeyRsaEs(PublicKey* wrapping_key,
-                       SymKey* key,
+Status WrapSymKeyRsaEs(SymKey* key,
+                       PublicKey* wrapping_key,
                        std::vector<uint8>* buffer);
 
 // Preconditions:
 //  * |wrapping_key| is non-null
 //  * |key| is non-null
 //  * |algorithm.id()| is for a symmetric key algorithm.
 Status UnwrapSymKeyRsaEs(const CryptoData& wrapped_key_data,
                          PrivateKey* wrapping_key,
                          const blink::WebCryptoAlgorithm& algorithm,
                          bool extractable,
                          blink::WebCryptoKeyUsageMask usage_mask,
                          blink::WebCryptoKey* key);
 
 }  // namespace platform
 
 }  // namespace webcrypto
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_PLATFORM_CRYPTO_H_