Transfer WebCrypto databuffers across the Blink API using blink::WebVector.

components/webcrypto/algorithms/aes_gcm_unittest.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 <stddef.h>
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/values.h"
 #include "components/webcrypto/algorithm_dispatch.h"
 #include "components/webcrypto/algorithms/test_helpers.h"
 #include "components/webcrypto/crypto_data.h"
 #include "components/webcrypto/status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
 
 namespace webcrypto {
 
 namespace {
 
 // Creates an AES-GCM algorithm.
 blink::WebCryptoAlgorithm CreateAesGcmAlgorithm(
     const std::vector<uint8_t>& iv,
     const std::vector<uint8_t>& additional_data,
     unsigned int tag_length_bits) {
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdAesGcm,
-      new blink::WebCryptoAesGcmParams(
-          iv.data(), static_cast<unsigned int>(iv.size()), true,
-          additional_data.data(),
-          static_cast<unsigned int>(additional_data.size()), true,
-          tag_length_bits));
+      new blink::WebCryptoAesGcmParams(iv, true, additional_data, true,
+                                       tag_length_bits));
 }
 
 blink::WebCryptoAlgorithm CreateAesGcmKeyGenAlgorithm(
     unsigned short key_length_bits) {
   return CreateAesKeyGenAlgorithm(blink::WebCryptoAlgorithmIdAesGcm,
                                   key_length_bits);
 }
 
 Status AesGcmEncrypt(const blink::WebCryptoKey& key,
                      const std::vector<uint8_t>& iv,
@@ skipping 172 matching lines @@
                 AesGcmDecrypt(key, test_iv, test_additional_data,
                               wrong_tag_size_bits, test_cipher_text,
                               test_authentication_tag, &plain_text));
     }
   }
 }
 
 }  // namespace
 
 }  // namespace webcrypto