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

components/webcrypto/algorithms/aes_cbc_unittest.cc

Index: components/webcrypto/algorithms/aes_cbc_unittest.cc
diff --git a/components/webcrypto/algorithms/aes_cbc_unittest.cc b/components/webcrypto/algorithms/aes_cbc_unittest.cc
index b246d11f9a4106308db4cbc3852fd89237233a8c..57cff25478b64eac33e19e4d904e907eb720cb1f 100644
--- a/components/webcrypto/algorithms/aes_cbc_unittest.cc
+++ b/components/webcrypto/algorithms/aes_cbc_unittest.cc
@@ -23,9 +23,7 @@ namespace {
 blink::WebCryptoAlgorithm CreateAesCbcAlgorithm(
     const std::vector<uint8_t>& iv) {
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
-      blink::WebCryptoAlgorithmIdAesCbc,
-      new blink::WebCryptoAesCbcParams(iv.data(),
-                                       static_cast<unsigned int>(iv.size())));
+      blink::WebCryptoAlgorithmIdAesCbc, new blink::WebCryptoAesCbcParams(iv));
 }
 
 blink::WebCryptoAlgorithm CreateAesCbcKeyGenAlgorithm(