WebCrypto: Add algorithm normalization rules for RSAES-PKCS1-v1_5.

LayoutTests/crypto/sign-verify-expected.txt

Index: LayoutTests/crypto/sign-verify-expected.txt
diff --git a/LayoutTests/crypto/sign-verify-expected.txt b/LayoutTests/crypto/sign-verify-expected.txt
index 163d8d844961b5cbb018de6b795b0a2f5261b7ec..18dafe0858e3b7f6ca4d48682066175b28f576d5 100644
--- a/LayoutTests/crypto/sign-verify-expected.txt
+++ b/LayoutTests/crypto/sign-verify-expected.txt
@@ -7,6 +7,7 @@ PASS crypto.subtle.verify(hmacSha1, keys.hmacSha1, null, data) threw exception T
 PASS crypto.subtle.verify(hmacSha1, keys.hmacSha1, 'a', data) threw exception TypeError: Invalid signature argument.
 PASS crypto.subtle.verify(hmacSha1, keys.hmacSha1, [], data) threw exception TypeError: Invalid signature argument.
 PASS crypto.subtle.sign({name: 'sha-1'}, keys.hmacSha1, data) threw exception NotSupportedError: Algorithm: SHA-1: Unsupported operation.
+PASS crypto.subtle.sign({name: 'RSAES-PKCS1-v1_5'}, keys.hmacSha1, data) threw exception NotSupportedError: Algorithm: RSAES-PKCS1-v1_5: Unsupported operation.
 PASS crypto.subtle.sign({name: 'hmac', hash: {name: 'sha-256'}}, keys.hmacSha1, data) threw exception NotSupportedError: key.algorithm does not match that of operation (HMAC's hash differs).
 PASS crypto.subtle.sign({name: 'hmac'}, keys.hmacSha1, data) threw exception TypeError: Algorithm: HMAC: HmacParams: hash: Missing or not a dictionary.
 PASS crypto.subtle.sign({name: 'hmac', hash: 3}, keys.hmacSha1, data) threw exception TypeError: Algorithm: HMAC: HmacParams: hash: Algorithm: Not an object.