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

components/webcrypto/algorithms/aes_ctr_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 "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
 
 namespace webcrypto {
 
 namespace {
 
 // Creates an AES-CTR algorithm for encryption/decryption.
 blink::WebCryptoAlgorithm CreateAesCtrAlgorithm(
     const std::vector<uint8_t>& counter,
     uint8_t length_bits) {
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdAesCtr,
-      new blink::WebCryptoAesCtrParams(
-          length_bits, counter.data(),
-          static_cast<unsigned int>(counter.size())));
+      new blink::WebCryptoAesCtrParams(length_bits, counter));
 }
 
 class WebCryptoAesCtrTest : public WebCryptoTestBase {};
 
 TEST_F(WebCryptoAesCtrTest, EncryptDecryptKnownAnswer) {
   std::unique_ptr<base::ListValue> tests;
   ASSERT_TRUE(ReadJsonTestFileToList("aes_ctr.json", &tests));
 
   for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
     SCOPED_TRACE(test_index);
@@ skipping 124 matching lines @@
                       input_17, &output));
     EXPECT_EQ(Status::ErrorAesCtrInputTooLongCounterRepeated(),
               Decrypt(CreateAesCtrAlgorithm(counter, kCounterLengthBits), key,
                       input_17, &output));
   }
 }
 
 }  // namespace
 
 }  // namespace webcrypto