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

components/webcrypto/algorithms/rsa_oaep_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/base64url.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "components/webcrypto/algorithm_dispatch.h"
 #include "components/webcrypto/algorithms/test_helpers.h"
 #include "components/webcrypto/crypto_data.h"
 #include "components/webcrypto/jwk.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 RSA-OAEP algorithm
 blink::WebCryptoAlgorithm CreateRsaOaepAlgorithm(
     const std::vector<uint8_t>& label) {
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdRsaOaep,
-      new blink::WebCryptoRsaOaepParams(
-          !label.empty(), label.data(),
-          static_cast<unsigned int>(label.size())));
+      new blink::WebCryptoRsaOaepParams(!label.empty(), label));
 }
 
 std::string Base64EncodeUrlSafe(const std::vector<uint8_t>& input) {
   // The JSON web signature spec says that padding is omitted.
   // https://tools.ietf.org/html/draft-ietf-jose-json-web-signature-36#section-2
   std::string base64url_encoded;
   base::Base64UrlEncode(
       base::StringPiece(reinterpret_cast<const char*>(input.data()),
                         input.size()),
       base::Base64UrlEncodePolicy::OMIT_PADDING, &base64url_encoded);
@@ skipping 468 matching lines @@
     EXPECT_TRUE(public_key2.extractable());
     EXPECT_EQ(import_algorithm.id(), public_key2.algorithm().id());
 
     // TODO(eroman): Export the SPKI and verify matches.
   }
 }
 
 }  // namespace
 
 }  // namespace webcrypto